Residual temperature and waste heat power generation device of circular cooler

By designing the waste heat and waste heat power generation device of the ring cooler, the combination of energy absorption module, energy storage module, separation module, feedback module and release module is solved, and efficient power generation is achieved.

CN119573440APending Publication Date: 2025-03-07HEBEI HUATONG HEAVY IND MACHINERY MFG CO LTD
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Patent Information

Application Number
CN202411756734.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-03-07

AI Technical Summary

Technical Problem

In the existing waste heat power generation technology of ring coolers, the high-temperature waste gas generated by ring coolers during cooling cannot be effectively utilized, and the impurities recovery efficiency in the waste gas is low, resulting in low power generation efficiency.

Method used

A waste heat power generation device for the ring cold machine is designed. The kinetic energy of the exhaust gas is converted into mechanical energy through the energy absorption module and temporarily stored through the energy storage module. The separation module separates impurities and uses the feedback module to burn, resupply heat, realizes the overall uniform mixed heating of the gas, and transfers the energy storage into the gas through the release module to increase the high temperature and high pressure state of the exhaust gas for power generation.

Benefits of technology

The efficiency of exhaust gas generation by ring-cooling machine is improved, and the stability of energy storage and energy release is achieved through the design of multiple energy storage tanks, reducing the energy loss of exhaust gas, and achieving maximum efficiency of power generation.

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Abstract

The invention relates to the related technical field of steam power generation, in particular to an annular cooler waste heat and waste heat power generation device which comprises an outer shell, an energy absorption module, an energy storage module, a separation module, a feedback module, a release module and a power generation module. Energy in waste gas is converted through the energy absorption module and temporarily stored through the energy storage module, impurities in the waste gas are separated through the separation module, then the separated impurities are gathered, combusted and re-supplied to the waste gas with the energy absorbed, heat of the impurities is utilized to a high degree, and the energy-saving effect is achieved. And then, the temporarily stored energy is uniformly released and returned to the gas, the high-temperature and high-pressure gas with uniform temperature and pressure is obtained under the condition that the gas energy is not lost as much as possible and is used for power generation, the waste gas power generation efficiency of the circular cooler is improved, and the stability of energy storage and release is achieved through the design of the multiple energy storage tanks. Therefore, the power generation stability is ensured.
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Description

Technical Field

[0001] The present invention relates to the technical field related to steam power generation, and in particular to a waste heat power generation device for a ring cooler. Background Art

[0002] With the rapid economic development, my country's energy is increasingly scarce, and the recycling of waste heat resources has important economic and environmental benefits. Steel companies are large energy consumers, and sintering is an important energy-consuming process in steel production, and most of the energy consumed in the sintering process is lost with the exhaust gas of the sintering machine and the ring cooler. Therefore, by recycling this part of the waste heat, through waste heat boilers and steam turbines and other equipment, to generate steam and generate electricity, the energy utilization rate of steel companies can be greatly improved.

[0003] In the existing waste heat power generation process of the ring cooler, such as the Chinese patent with publication number CN117053579A, a system and method for recycling the sensible heat of sintered ore and the waste heat of sintering flue gas is disclosed. The recycling system includes a sintering machine, a ring cooling kiln and a waste heat power generation device. The sintering machine includes a sintering trolley and bellows arranged in sequence along the sintering direction under the trolley; the ring cooling kiln is used to cool the sintered ore, and is provided with a containing chamber for containing the sintered ore and a flue gas inlet and outlet connected to the containing chamber, and the flue gas inlet is connected to the last 2-4 bellows of the sintering machine; the waste heat power generation device is provided with a cool air outlet and a hot air inlet connected to the outlet of the ring cooling kiln; wherein the cool air outlet of the waste heat power generation device is connected to the air outlet of the sintering trolley of the sintering machine, so that the sintering machine, the ring cooling kiln and the waste heat power generation device form a flue gas recycling loop.

[0004] In the above-mentioned prior art, heat recycling is mainly achieved through a heat exchange structure. However, the above-mentioned prior art does not take into account that the operating temperature of the ring cooler is relatively high during the cooling of sintered ore. The higher the operating temperature of the heat exchanger, the greater the heat loss is generally, because the temperature difference is the main driving force of heat conduction, and the temperature of the ring cooler at each stage of operation is different (gradually decreasing with cooling), and the temperature of the exhaust gas generated is also different. Exhaust gases of different temperatures are mixed together for heat exchange, but the temperature can only be balanced when evenly mixed. Fluctuating temperature is not conducive to stable power generation. In addition, the exhaust gas carries a large amount of impurities, including carbon powder, metal oxides and other combustibles. These impurities also carry a large amount of heat, and the existing technology has low recovery efficiency.

[0005] Based on this, there is still room for improvement in the above-mentioned prior art. Summary of the invention

[0006] In order to utilize the waste gas discharged from the ring cooler, the present application provides a ring cooler waste heat power generation device.

[0007] The present application provides a ring cooler waste heat power generation device that adopts the following technical solution: A waste heat and waste heat power generation device for a ring cooler comprises an outer shell, an energy absorption module, an energy storage module, a separation module, a feedback module, a release module and a power generation module. The energy absorption module is arranged at the inner upper end of the outer shell, and the energy absorption module converts the kinetic energy of the exhaust gas into mechanical energy. The energy storage module is arranged at the inner right end of the outer shell, and the energy storage module temporarily stores the mechanical energy converted from the exhaust gas. The separation module is arranged in the energy absorption module, and the separation module separates impurities in the exhaust gas during the process of converting the exhaust gas into mechanical energy. The feedback module is arranged at the inner lower left end of the outer shell, and the feedback module recycles the impurities separated by the separation module and feeds them back into the exhaust gas after the impurities are separated. The release module is arranged at the inner lower right end of the outer shell, and the release module transfers the mechanical energy absorbed by the energy storage module to the exhaust gas and transmits and releases it. The power generation module is arranged at the outer right end of the outer shell.

[0008] Preferably, the energy absorption module includes a mounting cylinder, a turbine component, and a transmission assembly. The mounting cylinder is mounted on the inner upper end of the outer shell. An mounting space is opened in the middle of the mounting cylinder. The turbine component is rotatably arranged in the mounting space. When the exhaust gas contacts the turbine component, the turbine component is pushed to rotate, thereby converting mechanical energy. The transmission assembly is arranged at the lower end of the turbine component.

[0009] Preferably, the transmission assembly includes a transmission shaft, a cam member, a pull-down drive, and a traction member. The upper end of the transmission shaft is installed on the lower end of the turbine member. The transmission shaft is a telescopic structure. The cam member is sleeved and installed on the outer periphery of the transmission shaft. The pull-down drive is installed in an outer shell. The upper end of the pull-down drive is installed with a traction member. The pull-down drive serves to pull the traction member down. The upper end of the traction member is connected to the lower end of the transmission shaft by a bearing. Relative rotation can occur between the traction member and the transmission shaft. When the traction member descends, the transmission shaft can rotate while being pulled downward to extend.

[0010] Preferably, the energy storage module includes a hydraulic component, an extrusion component, an energy storage tank, an oil inlet, an oil outlet, a compression plate, an energy storage spring component, an induction switch, and a switching mechanism. The hydraulic component is arranged inside the outer shell. The hydraulic component includes two piston components, which are arranged up and down. The hydraulic component is a prior art. The hydraulic component also includes hydraulic oil. When the piston component moves, the hydraulic component inputs hydraulic oil into the energy storage tank. An extrusion component is installed on the left end of the piston component. The extrusion component is hemispherical. The extrusion component and the cam component are extrusion-matched. When the cam component moves up and down, the hemispherical extrusion component will not contact with the cam component. Interference occurs between the cam parts, the energy storage tank is installed at the right end of the inner part of the outer shell, an oil inlet is opened at the top of the upper end of the energy storage tank, and a one-way valve is arranged in the oil inlet. The one-way valve in the prior art ensures the one-way flow of hydraulic oil, and there is a one-to-one correspondence between the energy storage tank and the piston part. The oil inlet is connected with the hydraulic assembly through an oil pipe, and an oil outlet is opened on the rear side of the upper end of the energy storage tank. The compression plate is arranged in the energy storage tank for sliding up and down. An energy storage spring part is connected between the compression plate and the energy storage tank. The induction switch is installed at the bottom of the energy storage tank, and the induction switch is electrically connected to the pull-down drive. The switching mechanism controls the oil outlet.

[0011] Preferably, the switching mechanism includes a switching drive, a mounting plate, a rack plate, an interface ring, an output hole, a switching valve member, a connecting hole, and a switching gear. The switching drive is installed in the outer shell, and a mounting plate is installed on the output end of the switching drive. The switching drive is electrically connected to the induction switch. A rack plate is symmetrically installed on the lower end of the mounting plate. The interface ring is installed at the rear of the energy storage tank, and the interface ring is connected to the oil outlet. An output hole is provided below the interface ring. The switching valve member is rotatably arranged in the interface ring. The switching valve member is a cylindrical structure with a closed rear end. A connecting hole is provided on the switching valve member that passes through the upper and lower parts. The connecting hole and the output hole correspond in position. When the switching valve member rotates to connect the connecting hole and the output hole, the output hole is opened. When the switching valve member rotates to disconnect the connecting hole and the output hole, the output hole is closed. The present application is provided with two energy storage tanks. When the output hole on one energy storage tank is opened, the output hole on the other energy storage tank is in a closed state. The switching gear is installed on the outer periphery of the rear end of the switching valve member, and the switching gear is meshed with the rack plate.

[0012] Preferably, the separation module includes a filter screen, a staggered plate, a sweeping piece, an air path channel, a discharge port, and an inclined baffle. The filter screen is installed on the inner wall of the lower end of the installation cylinder, and an air path channel is opened inside the side wall of the installation cylinder. The filter screen corresponds to the position of the air path channel. The staggered plates are arranged in an up-and-down staggered manner at the lower end of the installation space, and the staggered plates are arranged obliquely. The staggered plates play a role in blocking the exhaust gas from flowing downward. The staggered plates do not affect the falling of impurity particles, but the exhaust gas flowing downward (at this time, the energy of the exhaust gas has been converted by the turbine element) is blocked by the staggered plates and cannot directly fall, so that the exhaust gas enters the air path channel as much as possible. A discharge port is provided at the bottom of the installation space, and an inclined baffle is obliquely installed below the discharge port. The inclined baffle plays a role in blocking the exhaust gas from falling, avoiding the exhaust gas from moving directly from top to bottom, so that the exhaust gas enters the air path channel as much as possible. The sweeping piece is sleeved and installed on the transmission shaft. The shape of the sweeping piece matches the contour of the bottom of the installation space. The sweeping piece rotates continuously to push the impurity particles separated from the exhaust gas into the discharge port for discharge.

[0013] Preferably, the feedback module includes a combustion chamber, a blanking channel, a flame head, a spiral tube, and an airflow pipeline. The combustion chamber is installed at the lower end of the inner part of the outer shell, and the upper end of the combustion chamber is connected with the bottom of the installation space through the blanking channel. The flame head is installed inside the combustion chamber, and the spiral tube surrounds the outer circumference of the combustion chamber. The left end of the spiral tube is connected with the bottom of the air channel through the airflow pipeline.

[0014] Preferably, the release module includes a boosting chamber, an open hole, a boosting plate, a boosting piston, a hydraulic pipeline, an electric valve, and a closing mechanism. The boosting chamber is installed on the right side of the lower end of the outer shell, and an open hole is opened at the rear end of the boosting chamber. The boosting plate is slidably arranged inside the boosting chamber from left to right. A return spring is connected between the boosting plate and the boosting chamber, and the return spring plays a resetting role. The boosting piston is installed inside the outer shell, and the upper left side of the boosting piston is connected to the output hole through a hydraulic pipeline. The output end of the boosting piston and the boosting plate are in contact and extrusion fit. In the initial state, the boosting piston and the boosting plate are not in contact. When the boosting piston is extended a certain distance, the boosting piston and the boosting plate begin to contact. The electric valve is arranged at the right end of the boosting chamber, and the electric valve is an electric valve of the prior art. The closing mechanism connects the open hole with the right end of the spiral tube.

[0015] Preferably, the closing mechanism includes an auxiliary part, an opening and closing plate, and a connecting part. The auxiliary part is installed on the rear side of the boosting chamber. The auxiliary part corresponds to the position of the open hole. The opening and closing plate is slidably arranged in the auxiliary part. A through hole corresponding to the position of the open hole is provided on the opening and closing plate. One end of the connecting part is connected to the opening and closing plate, and the other end of the connecting part is extruded fit with the boosting piston. The connecting part is an elastic and retractable structure.

[0016] Preferably, the power generation structure of the power generation module is a steam turbine generator, and the power generation module is a prior art. The steam turbine generator expands and performs work by allowing hot steam to enter the steam turbine, causing the blades to rotate and drive the generator to generate electricity.

[0017] In summary, the beneficial technical effects of this application are as follows: The waste heat and waste heat power generation device of a ring cooler described in the present invention converts the energy in the exhaust gas through an energy absorption module, and temporarily stores it through an energy storage module, and is provided with a separation module to separate the impurities in the exhaust gas, and then the separated impurities are gathered and burned and re-supplied to the exhaust gas whose energy is absorbed, thereby utilizing the heat of the impurities to a high extent to achieve overall uniform mixing, heat preservation and heating of the gas, and then the temporarily stored energy is uniformly released and returned to the gas, and high temperature and high pressure are obtained without losing gas energy as much as possible, and gas with uniform temperature and pressure is used for power generation, thereby improving the power generation efficiency of the exhaust gas of the ring cooler, and the multi-energy storage tank design realizes the stability of energy storage and release, thereby ensuring the stability of power generation, and the staged energy absorption and return method reduces the energy loss of the exhaust gas to a minimum, thereby achieving maximum efficiency power generation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a first three-dimensional structural schematic diagram of the present invention; Figure 2 is a cross-sectional view of the overall structure of the present invention (without the power generation module); Figure 3 It is a schematic diagram of the structure between the mounting cylinder and the turbine element of the present invention; Figure 4 It is a schematic diagram of the structure between the energy absorption module and the separation module of the present invention; Figure 5 It is a schematic diagram of the structure between the discharge port and the inclined baffle of the present invention; Figure 6 It is a structural schematic diagram of the energy storage module of the present invention; Figure 7 It is a structural schematic diagram of the switching mechanism of the present invention; Figure 8 It is a structural schematic diagram of a release module of the present invention; Fig. 9 It is a structural schematic diagram of the closing mechanism of the present invention; Fig.10 It is a structural schematic diagram of the present invention used in conjunction with a ring cooler.

[0019] Explanation of the reference numerals: 1. outer shell; 2. energy absorption module; 3. energy storage module; 4. separation module; 5. feedback module; 6. release module; 7. power generation module; 21. mounting cylinder; 22. turbine member; 23. transmission assembly; 231. transmission shaft; 232. cam member; 233. pull-down drive; 234. traction member; 31. hydraulic assembly; 32. extrusion member; 33. energy storage tank; 331. oil inlet; 332. oil outlet; 34. compression plate; 35. energy storage spring member; 36. induction switch; 37. switching mechanism; 371. switching drive; 372. mounting plate; 373. rack plate ; 374, interface ring; 375, output hole; 376, switching valve member; 377, connecting hole; 378, switching gear; 41, filter screen; 42, staggered plate; 43, sweeping member; 211, air path; 212, discharge port; 213, inclined baffle; 51, combustion chamber; 52, drop channel; 53, flame head; 54, spiral tube; 55, air flow pipeline; 61, boosting chamber; 611, open hole; 62, boosting plate; 63, boosting piston; 64, hydraulic pipeline; 641, electric valve; 65, closing mechanism; 651, auxiliary parts; 652, opening and closing plate; 653, connecting parts. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-Figure 10 This application is described in further detail.

[0021] The embodiment of the present application discloses a waste heat and waste heat power generation device for a ring cooler, which absorbs and returns the energy of the exhaust gas discharged by the ring cooler in stages, and recovers the impurity particles in the exhaust gas for re-combustion to provide energy. While purifying the exhaust gas, it reduces the energy loss of the exhaust gas to a minimum, thereby achieving maximum efficiency power generation.

[0022] Reference Figure 1 , Figure 2 , Fig.10 As shown, a waste heat power generation device for a ring cooler includes an outer shell 1, an energy absorption module 2, an energy storage module 3, a separation module 4, a feedback module 5, a release module 6, and a power generation module 7. The energy absorption module 2 is arranged at the upper end of the inner part of the outer shell 1, and the energy absorption module 2 converts the kinetic energy of the exhaust gas into mechanical energy. The energy storage module 3 is arranged at the right end of the inner part of the outer shell 1, and the energy storage module 3 temporarily stores the mechanical energy converted from the exhaust gas. The separation module 4 is arranged in the energy absorption module 2. The separation module 4 separates impurities in the exhaust gas during the process of converting the mechanical energy of the exhaust gas. The feedback module 5 is arranged at the lower left end of the inner part of the outer shell 1, and the feedback module 5 recycles the impurities separated by the separation module 4 and feeds them back to the exhaust gas after the impurities are separated. The release module 6 is arranged at the lower right end of the inner part of the outer shell 1, and the release module 6 transfers the mechanical energy absorbed by the energy storage module 3 to the exhaust gas and transmits and releases it. The power generation module 7 is arranged at the right end of the outer side of the outer shell 1.

[0023] During actual operation, the exhaust gas in the annular cooler enters the outer shell 1, the energy absorption module 2 converts the energy of the exhaust gas and temporarily stores it through the energy storage module 3, the separation module 4 separates the impurities (including combustible coal powder, etc.) in the exhaust gas, and the feedback module 5 utilizes the impurities for combustion and provides heat for the exhaust gas, ensuring the thermal stability of the exhaust gas while raising the temperature of the exhaust gas as much as possible. Afterwards, when the energy absorption of the energy storage module 3 reaches the upper limit, the energy storage module 3 returns the energy to the exhaust gas through the release module 6 to increase the exhaust gas pressure, and finally releases a gas with high and uniform temperature, high pressure and low loss. The high-temperature and high-pressure gas enters the power generation module 7 for power generation, thereby realizing the utilization of the waste heat of the annular cooler. The present application obtains gas with uniform temperature and pressure for power generation without losing gas energy as much as possible by first dissipating and purifying the gas generated at different stages by the annular cooler, then uniformly heating it, and re-energizing it, thereby improving the power generation efficiency of the exhaust gas of the annular cooler.

[0024] Reference Figure 3 , Figure 4 As shown, the flowing exhaust gas contains a large amount of energy. In order to avoid unnecessary consumption of energy during filtration, the present application is provided with an energy absorption module 2 to absorb the energy in the exhaust gas. The energy absorption module 2 includes a mounting cylinder 21, a turbine component 22, and a transmission assembly 23. The mounting cylinder 21 is installed at the upper end of the inner part of the outer shell 1. An installation space is opened in the middle of the mounting cylinder 21. The turbine component 22 is rotatably arranged in the installation space. When the exhaust gas contacts the turbine component 22, the turbine component 22 is pushed to rotate, thereby converting mechanical energy. The transmission assembly 23 is arranged at the lower end of the turbine component 22.

[0025] Reference Figure 4 As shown, the transmission component 23 includes a transmission shaft 231, a cam member 232, a pull-down drive 233, and a traction member 234. The upper end of the transmission shaft 231 is installed on the lower end of the turbine member 22. The transmission shaft 231 is a retractable structure. The cam member 232 is sleeved and installed on the outer periphery of the transmission shaft 231. The pull-down drive 233 is installed in the outer shell 1. The upper end of the pull-down drive 233 is installed with a traction member 234. The pull-down drive 233 plays a role in pulling the traction member 234 down. The upper end of the traction member 234 is connected to the lower end of the transmission shaft 231 through a bearing. The traction member 234 and the transmission shaft 231 can rotate relative to each other. When the traction member 234 descends, the transmission shaft 231 can be pulled downward and extended while rotating.

[0026] In the actual energy absorption process, when the gas contacts the turbine component 22, the turbine component 22 is pushed to rotate, the transmission shaft 231 rotates following the turbine component 22, and the cam component 232 rotates following the transmission shaft 231. The rotating cam component 232 transfers energy to the energy storage module 3. When the energy storage part needs to be switched inside the subsequent energy storage module 3, the pull-down drive 233 is triggered, and the pull-down drive 233 drives the traction component 234 to pull down. The downwardly moved traction component 234 pulls the transmission shaft 231 to extend downward, so that the cam component 232 moves downward, thereby transferring energy to another part of the energy storage module 3 to achieve switching.

[0027] Reference Figure 4 , Figure 6 As shown, in order to store energy and reduce losses, the present application is provided with an energy storage module 3, and the energy storage module 3 includes a hydraulic component 31, an extrusion component 32, an energy storage tank 33, an oil inlet 331, an oil outlet 332, a compression plate 34, an energy storage spring component 35, an induction switch 36, and a switching mechanism 37. The hydraulic component 31 is arranged inside the outer shell 1, and the hydraulic component 31 includes two piston components, and the piston components are arranged up and down. The hydraulic component 31 is a prior art, and the hydraulic component 31 also includes hydraulic oil. When the piston component moves, the hydraulic component 31 inputs hydraulic oil into the energy storage tank 33. An extrusion component 32 is installed on the left end of the piston component. The extrusion component 32 is hemispherical, and the extrusion component 32 and the cam component 232 are extrusion-fitted. When the cam component 232 moves up and down, the hemispherical extrusion component 32 does not There will be interference with the cam member 232. The energy storage tank 33 is installed at the right end of the inner part of the outer shell 1. An oil inlet 331 is provided at the top of the upper end of the energy storage tank 33. A one-way valve is provided in the oil inlet 331. The one-way valve in the prior art ensures the one-way flow of hydraulic oil. The energy storage tank 33 corresponds to the piston member one by one. The oil inlet 331 is connected to the hydraulic assembly 31 through an oil pipe. An oil outlet 332 is provided on the rear side of the upper end of the energy storage tank 33. The compression plate 34 is slidably arranged in the energy storage tank 33. An energy storage spring member 35 is connected between the compression plate 34 and the energy storage tank 33. The induction switch 36 is installed at the bottom of the energy storage tank 33. The induction switch 36 is a sensor of the prior art. The induction switch 36 is electrically connected to the pull-down drive 233. The switching mechanism 37 controls the oil outlet 332.

[0028] In the actual process of storing energy, the cam member 232 continuously squeezes the extrusion member 32 (located at the top) to make the hydraulic assembly 31 perform piston movement, and the hydraulic oil enters the energy storage tank 33 from the oil inlet 331 (at this time, the oil outlet 332 of the energy storage tank 33 is in a closed state), the compression plate 34 is squeezed and lowered, and the energy storage spring member 35 is compressed to store energy. When the compression plate 34 drops to a specified height, the induction switch 36 is triggered, so that the pull-down drive 233 is started, and the pull-down drive 233 causes the cam member 232 to drop, thereby squeezing the cam member 232 and the extrusion member 32 located below. At the same time, the switching mechanism 37 is triggered, and the energy storage tank 33 that stores full energy outputs energy to the outside, and the other energy storage tank 33 that has not stored energy starts to store energy, thereby achieving continuity of energy storage.

[0029] Reference Figure 6 , Figure 7 As shown, in order to ensure the continuity of energy storage, the present application is provided with a switching mechanism 37 to switch the operation of different energy storage tanks 33, and the switching mechanism 37 includes a switching drive 371, a mounting plate 372, a rack plate 373, an interface ring 374, an output hole 375, a switching valve member 376, a connecting hole 377, and a switching gear 378. The switching drive 371 is installed in the outer shell 1, and a mounting plate 372 is installed on the output end of the switching drive 371. The switching drive 371 is electrically connected to the induction switch 36. The rack plate 373 is symmetrically installed at the lower end of the mounting plate 372. The interface ring 374 is installed at the rear of the energy storage tank 33, and the interface ring 374 is connected to the oil outlet 332. An output hole 375 is opened below the interface ring 374, and the switching valve member 37 6 is rotatably arranged in the interface ring 374, the switching valve member 376 is a cylindrical structure with a closed rear end, and a communicating hole 377 penetrating from top to bottom is opened on the switching valve member 376, and the communicating hole 377 corresponds to the output hole 375 in position. When the switching valve member 376 rotates to make the communicating hole 377 and the output hole 375 communicate, the output hole 375 is opened, and when the switching valve member 376 rotates to make the communicating hole 377 and the output hole 375 not communicate, the output hole 375 is closed. The present application is provided with two energy storage tanks 33, and when the output hole 375 on one energy storage tank 33 is opened, the output hole 375 on the other energy storage tank 33 is in a closed state, and the switching gear 378 is installed on the outer periphery of the rear end of the switching valve member 376, and the switching gear 378 is meshed with the rack plate 373.

[0030] In the actual switching process, the induction switch 36 is triggered to start the switching drive 371, and the switching drive 371 pushes the mounting plate 372 to move downward, and the rack plate 373 moves downward along with the mounting plate 372, and the rack plate 373 moving downward causes the switching gear 378 to rotate under the meshing action, and the switching gear 378 drives the switching valve member 376 to rotate, so that the output hole 375 is connected with the connecting hole 377 (the other place is not connected), thereby realizing the switching of the operation of different energy storage tanks 33.

[0031] Reference Figure 4 , Figure 5 As shown, in order to recycle impurities in the exhaust gas, the present application is provided with a separation module 4, which includes a filter screen 41, a staggered plate 42, a sweeping member 43, an air path channel 211, a discharge port 212, and an inclined baffle 213. The filter screen 41 is installed on the inner wall of the lower end of the installation cylinder 21, and an air path channel 211 is opened inside the side wall of the installation cylinder 21. The filter screen 41 corresponds to the air path channel 211 in position, and the staggered plates 42 are arranged in an up-and-down staggered manner at the lower end of the installation space. The staggered plates 42 are arranged in an inclined manner, and the staggered plates 42 play a role in blocking the exhaust gas from flowing downward. The staggered staggered plates 42 do not affect the falling of impurity particles, but the downward flow The exhaust gas (at this time, the energy of the exhaust gas has been converted by the turbine element 22) is blocked by the staggered plate 42 and cannot directly fall down, so that the exhaust gas can enter the gas path 211 as much as possible. A discharge port 212 is provided at the bottom of the installation space, and an inclined baffle 213 is obliquely installed below the discharge port 212. The inclined baffle 213 serves to block the exhaust gas from falling, thereby preventing the exhaust gas from moving directly from top to bottom, and allowing the exhaust gas to enter the gas path 211 as much as possible. The sweeping member 43 is sleeved and installed on the transmission shaft 231. The shape of the sweeping member 43 is consistent with the contour of the bottom of the installation space. The sweeping member 43 rotates continuously to push the impurity particles separated from the exhaust gas into the discharge port 212 for discharge.

[0032] During the actual separation process, the exhaust gas moves from top to bottom in the installation space, and the turbine 22 converts the energy in the exhaust gas. After that, the low-energy exhaust gas hits downward onto the staggered plate 42. The staggered plate 42 blocks the movement of the exhaust gas. Therefore, a large amount of gas moves from the filter 41 to the air path 211. The filter 41 filters the impurities in the gas, and the filtered impurities fall naturally under gravity. The sweeping member 43 rotates with the transmission shaft 231 to push the falling impurities to the discharge port 212 for discharge. The inclined baffle 213 has the same function as the staggered plate 42. Both block the exhaust gas on its downward path, making it difficult for the gas to fall and thus move from the filter 41 to the air path 211.

[0033] Reference Figure 2As shown, there are various types of impurities in the exhaust gas, including combustible carbon powder, metal oxides, etc. In order to recycle the combustible impurities in the exhaust gas, the present application is provided with a feedback module 5, and the feedback module 5 includes a combustion chamber 51, a blanking channel 52, a flame head 53, a spiral tube 54, and an airflow pipeline 55. The combustion chamber 51 is installed at the lower end of the inner part of the outer shell 1, and the upper end of the combustion chamber 51 is connected to the bottom of the installation space through the blanking channel 52. The flame head 53 is installed inside the combustion chamber 51, and the spiral tube 54 surrounds the outer periphery of the combustion chamber 51. The left end of the spiral tube 54 is connected to the bottom of the gas channel 211 through the airflow pipeline 55.

[0034] During actual recycling, the filtered gas enters the spiral tube 54 through the airflow pipeline 55, and the separated impurities enter the combustion chamber 51 through the material dropping channel 52. The flame head 53 ignites the combustible impurities therein to generate heat, thereby heating the gas in the spiral tube 54 (since the amount of combustible impurities is not large, it mainly plays the role of maintaining the temperature after the concentrated combustion treatment, and only increases the gas temperature by a small amount, and cannot increase the gas temperature to a higher level).

[0035] Reference Figure 2 , Figure 8 As shown, the present application is provided with a release module 6 as a gas pressurization place, and the release module 6 includes a boosting chamber 61, an open hole 611, a boosting plate 62, a boosting piston 63, a hydraulic pipeline 64, an electric valve 641, and a closing mechanism 65. The boosting chamber 61 is installed on the right side of the lower end of the outer shell 1, and the rear end of the boosting chamber 61 is provided with an open hole 611. The boosting plate 62 is slidably arranged inside the boosting chamber 61 from left to right. A return spring is connected between the boosting plate 62 and the boosting chamber 61, and the return spring plays a reset role. The boosting piston 63 is installed on the outer shell 1. Internally, the upper left side of the booster piston 63 is connected to the output hole 375 through the hydraulic pipeline 64, and the output end of the booster piston 63 and the booster plate 62 are in contact and extrusion fit. In the initial state, the booster piston 63 and the booster plate 62 are not in contact with each other. When the booster piston 63 is extended a certain distance, the booster piston 63 and the booster plate 62 begin to contact each other. The electric valve 641 is arranged at the right end of the booster chamber 61. The electric valve 641 is an electric valve of the prior art. The closing mechanism 65 connects the open hole 611 with the right end of the spiral tube 54.

[0036] Reference Fig. 9As shown, the closing mechanism 65 includes an auxiliary part 651, an opening and closing plate 652, and a connecting part 653. The auxiliary part 651 is installed on the rear side of the boost chamber 61, and the auxiliary part 651 corresponds to the position of the open hole 611. The opening and closing plate 652 is slidably arranged in the auxiliary part 651 left and right. The opening and closing plate 652 is provided with a through hole corresponding to the position of the open hole 611. One end of the connecting part 653 is connected to the opening and closing plate 652, and the other end of the connecting part 653 is extruded fit with the boost piston 63. The connecting part 653 is an elastic and retractable structure.

[0037] During the actual boosting process, hydraulic oil is output from the oil outlet 332 of the full-energy energy storage tank 33, and the hydraulic oil enters the boosting piston 63 through the hydraulic pipeline 64. The boosting piston 63 stretches and pushes the opening and closing plate 652 to move to the right through the connecting piece 653. The opening and closing plate 652 moving to the right makes the position of the through hole and the open hole 611 gradually staggered, and the open hole 611 is gradually closed. When the open hole 611 is closed, the output end of the boosting piston 63 contacts the boosting plate 62, and the boosting plate 62 is squeezed to move to the right to boost the gas inside the boosting chamber 61 (at this time, the connecting piece 653 is squeezed and contracted). After the boosting is completed, the electric valve 641 opens to release the high-temperature and high-pressure gas into the power generation module 7.

[0038] Reference Figure 1 As shown, the power generation structure of the power generation module 7 is a steam turbine generator. The power generation module 7 is a prior art. The steam turbine generator expands and performs work by allowing hot steam to enter the steam turbine, causing the blades to rotate and drive the generator to generate electricity.

[0039] The implementation principle of this embodiment is: Step 1: The exhaust gas in the ring cooler is input into the outer shell 1; Step 2: The energy absorption module 2 converts the energy of the exhaust gas and temporarily stores it through the energy storage module 3; Step 3: The separation module 4 separates the impurities in the exhaust gas; Step 4: The feedback module 5 performs utilizable combustion of the combustible impurities and provides heat for the exhaust gas; Step 5: When the energy absorbed by the energy storage tank 33 reaches the upper limit, the continuity of energy storage is achieved by switching the energy storage tank 33, and the full energy storage tank 33 pressurizes the gas through the release module 6; Step 6: The high-temperature and high-pressure gas enters the power generation module 7 to generate electricity.

[0040] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A ring cooler waste heat power generation device, characterized in that: include: An outer shell (1); An energy absorption module (2) is arranged at the upper end of the inner part of the outer shell (1), and the energy absorption module (2) converts the kinetic energy of the exhaust gas into mechanical energy; An energy storage module (3) is arranged at the right end of the inner part of the outer shell (1), and the energy storage module (3) temporarily stores the mechanical energy converted from the exhaust gas; A separation module (4) is arranged in the energy absorption module (2), and the separation module (4) separates impurities in the exhaust gas during the process of converting the exhaust gas into mechanical energy; A feedback module (5) is arranged at the lower left end of the outer shell (1), and the feedback module (5) recycles the impurities separated by the separation module (4) and feeds them back into the waste gas after the impurities are separated; A release module (6) is arranged at the lower right end of the outer shell (1), and the release module (6) transfers the mechanical energy absorbed by the energy storage module (3) to the exhaust gas and releases it; A power generation module (7) is arranged at the right end of the outer side of the outer shell (1).

2. The ring cooler waste heat power generation device according to claim 1, characterized in that: The energy absorption module (2) comprises: An installation cylinder (21) is installed at the upper end of the inner part of the outer shell (1), and an installation space is provided in the middle of the installation cylinder (21); A turbine element (22) rotatably disposed in the installation space; The transmission assembly (23) is arranged at the lower end of the turbine member (22).

3. The ring cooler waste heat power generation device according to claim 2, characterized in that: The transmission component (23) comprises: A transmission shaft (231), the upper end of which is mounted on the lower end of the turbine member (22), and the transmission shaft (231) is a telescopic structure; A cam member (232) is sleeved and mounted on the outer periphery of the transmission shaft (231); The pull-down drive (233) is installed in the outer shell (1); a traction member (234) is installed at the upper end of the pull-down drive (233); the upper end of the traction member (234) is connected to the lower end of the transmission shaft (231) via a bearing.

4. The ring cooler waste heat power generation device according to claim 3 is characterized in that: The energy storage module (3) comprises: A hydraulic assembly (31) is arranged inside the outer shell (1). The hydraulic assembly (31) includes two pistons, which are arranged up and down. An extrusion piece (32) is installed at the left end of the piston. The extrusion piece (32) is hemispherical, and the extrusion piece (32) and the cam piece (232) are extrusion-fitted. An energy storage tank (33) is installed at the right end of the inner part of the outer shell (1); an oil inlet (331) is provided at the top of the upper end of the energy storage tank (33); a one-way valve is provided in the oil inlet (331); the energy storage tank (33) corresponds to the piston member in a one-to-one manner; the oil inlet (331) is connected to the hydraulic assembly (31) through an oil pipe; and an oil outlet (332) is provided at the rear side of the upper end of the energy storage tank (33); A compression plate (34) is slidably disposed in the energy storage tank (33) up and down, and an energy storage spring member (35) is connected between the compression plate (34) and the energy storage tank (33); An induction switch (36) is installed at the bottom of the energy storage tank (33), and the induction switch (36) is electrically connected to the pull-down drive (233); A switching mechanism (37) controls the oil outlet (332).

5. The ring cooler waste heat power generation device according to claim 4, characterized in that: The switching mechanism (37) comprises: A switching drive (371) is installed in the outer shell (1), a mounting plate (372) is installed on the output end of the switching drive (371), a rack plate (373) is symmetrically installed on the lower end of the mounting plate (372), and the switching drive (371) is electrically connected to the induction switch (36); An interface ring (374) is installed at the rear of the energy storage tank (33), the interface ring (374) is communicated with the oil outlet (332), and an output hole (375) is provided below the interface ring (374); The switching valve member (376) is rotatably disposed in the interface ring (374). The switching valve member (376) is a cylindrical structure with a closed rear end. A communication hole (377) is provided on the switching valve member (376) and passes through the switching valve member (376) from top to bottom. The communication hole (377) corresponds to the output hole (375). The switching gear (378) is mounted on the outer periphery of the rear end of the switching valve member (376), and the switching gear (378) is meshed with the rack plate (373).

6. The ring cooler waste heat power generation device according to claim 5, characterized in that: The separation module (4) comprises: A filter screen (41) is mounted on the inner wall of the lower end of the mounting cylinder (21); an air passage (211) is provided inside the side wall of the mounting cylinder (21); the filter screen (41) and the air passage (211) are located correspondingly; Staggered plates (42) are arranged in an up-and-down staggered manner at the lower end of the installation space, the staggered plates (42) are arranged obliquely, a discharge port (212) is provided at the bottom of the installation space, and an inclined baffle (213) is obliquely installed below the discharge port (212); The sweeping member (43) is sleeved and installed on the transmission shaft (231), and the shape of the sweeping member (43) is consistent with the contour of the bottom of the installation space.

7. The ring cooler waste heat power generation device according to claim 6, characterized in that: The feedback module (5) comprises: A combustion chamber (51) is installed at the lower end of the outer shell (1), the upper end of the combustion chamber (51) is connected to the bottom of the installation space through a material dropping channel (52), and a flame head (53) is installed inside the combustion chamber (51); The spiral tube (54) surrounds the outer circumference of the combustion chamber (51), and the left end of the spiral tube (54) is connected to the bottom of the gas channel (211) through the gas flow pipeline (55).

8. The ring cooler waste heat power generation device according to claim 7, characterized in that: The release module (6) comprises: A boost chamber (61) is installed on the right side of the lower end of the outer shell (1), and an open hole (611) is formed at the rear end of the boost chamber (61); A boost plate (62) is slidably disposed inside the boost chamber (61) and a return spring is connected between the boost plate (62) and the boost chamber (61); A booster piston (63) is installed inside the outer shell (1), the upper left side of the booster piston (63) is connected to the output hole (375) through a hydraulic pipeline (64), and the output end of the booster piston (63) and the booster plate (62) are in contact and extrusion fit; An electric valve (641) is arranged at the right end of the boost chamber (61); The closing mechanism (65) connects the open hole (611) with the right end of the spiral tube (54).

9. The ring cooler waste heat power generation device according to claim 8, characterized in that: The closing mechanism (65) comprises: An auxiliary member (651) is installed at the rear side of the boost chamber (61), and the auxiliary member (651) corresponds to the position of the open hole (611); An opening and closing plate (652) is slidably disposed in the auxiliary member (651) and is provided with a through hole corresponding to the position of the open hole (611); One end of the connecting member (653) is connected to the opening and closing plate (652), and the other end of the connecting member (653) is extrusion-fitted to the boosting piston (63). The connecting member (653) is an elastic and retractable structure.

10. The ring cooler waste heat power generation device according to claim 1, characterized in that: The power generation structure of the power generation module (7) is a steam turbine generator.

Citation Information

Patent Citations

  • Recycling system and method for sensible heat of sinter and waste heat of sintering flue gas

    CN117053579A