CN117760226B - Metal smelting furnace waste heat recovery device - Google Patents
Metal smelting furnace waste heat recovery device Download PDFInfo
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- CN117760226B CN117760226B CN202311780982.6A CN202311780982A CN117760226B CN 117760226 B CN117760226 B CN 117760226B CN 202311780982 A CN202311780982 A CN 202311780982A CN 117760226 B CN117760226 B CN 117760226B
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- 238000011084 recovery Methods 0.000 title claims abstract description 106
- 238000003723 Smelting Methods 0.000 title claims abstract description 46
- 239000002184 metal Substances 0.000 title claims abstract description 43
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 43
- 239000002918 waste heat Substances 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 103
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 239000007789 gas Substances 0.000 claims abstract description 36
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 239000002912 waste gas Substances 0.000 claims description 46
- 238000001035 drying Methods 0.000 claims description 24
- 238000009833 condensation Methods 0.000 claims description 20
- 230000005494 condensation Effects 0.000 claims description 20
- 239000004065 semiconductor Substances 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 2
- 210000003437 trachea Anatomy 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 239000002923 metal particle Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- -1 at this time Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000009878 intermolecular interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- 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
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a metal smelting furnace waste heat recovery device, which comprises a metal smelting device, and further comprises an exhaust gas discharge pipe, a first recovery box, a second recovery box, a kinetic energy component, a stirring component, a transmission component, a rotary table and a generator, wherein high-temperature exhaust gas generated by the metal smelting device enters the first recovery box and the second recovery box which are internally provided with clean water through the exhaust gas discharge pipe and generates water vapor, the kinetic energy recovery components are arranged at the top ends of the first recovery box and the second recovery box, each kinetic energy recovery component comprises an air outlet barrel, a communicating pipe, an air flow block, an exhaust hole, an air control block, a first air groove, a second air groove, a transmission barrel and a piston, the transmission barrel is fixedly arranged at the top end of the first recovery box, the air flow block is fixedly arranged at the top end of the transmission barrel, and the air flow block is communicated with the inside of the transmission barrel through the first air groove and the second air groove which are internally arranged, so that the high-temperature exhaust gas generated by the metal smelting device can be effectively utilized through the arrangement of the structure.
Description
Technical Field
The invention relates to the technical field of waste heat recovery, in particular to a waste heat recovery device of a metal smelting furnace.
Background
A metal smelting furnace is an industrial apparatus for high-temperature melting or smelting of metallic materials such as iron, steel, etc., and generally includes a furnace body for melting metal, and auxiliary equipment and control systems, and can be designed and improved according to various smelting processes and material requirements to meet specific production requirements.
A large amount of waste heat can be generated in the smelting process, if waste heat recovery is not performed, the heat is wasted, the energy utilization efficiency is low, meanwhile, part of metal particles can be carried into the air by waste gas discharged by a smelting furnace, pollution is caused, and meanwhile, floating metal particles are very likely to be inhaled into the lung by workers, so that risks of diseases are caused.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme: a waste heat recovery device of a metal smelting furnace comprises a metal smelting device;
the device also comprises an exhaust gas discharge pipe, a first recovery box, a second recovery box, a kinetic energy component, a stirring component, a transmission component, a turntable and a generator;
The high-temperature waste gas produced by the metal smelting device enters a first recovery tank and a second recovery tank with clear water inside through a waste gas discharge pipe and produces water vapor, and kinetic energy recovery components are arranged at the top ends of the first recovery tank and the second recovery tank;
The kinetic energy recovery component comprises an air outlet cylinder, a communicating pipe, an air flow block, an air exhaust hole, an air control block, a first air tank, a second air tank, a transmission cylinder and a piston;
the transmission cylinder is respectively arranged at the top ends of the first recovery box and the second recovery box, the air flow block is fixedly arranged at the top end of the transmission cylinder, and the air flow block is communicated with the inside of the transmission cylinder through a first air groove and a second air groove which are formed in the air flow block;
the air outlet cylinder is respectively communicated with the interiors of the first recovery tank and the second recovery tank, the air outlet cylinder is communicated with the inner cavity of the air flow block through the communicating pipe, and water vapor in the inner cavities of the first recovery tank and the second recovery tank enters the interior of the air flow block through the air outlet cylinder;
the exhaust hole is formed in the air flow block, and water vapor in the inner cavity of the air flow block is exhausted through the exhaust hole;
the piston is slidably arranged in the transmission cylinder, the water vapor enters the internal control piston of the transmission cylinder through the first air groove and slides rightwards, the water vapor enters the internal control piston of the transmission cylinder through the second air groove and slides leftwards, the air control block is slidably arranged in the transmission cylinder, when the air control block slides to the left of the transmission cylinder, the water vapor entering the air flow block can enter the inner cavity of the transmission cylinder through the second air groove at the moment, when the air control block slides to the right of the transmission cylinder, the water vapor entering the air flow block can enter the inner cavity of the transmission cylinder through the first air groove, and the sliding of the air control block is controlled through the fluctuation component;
the top of first collection box and second collection box all is provided with the generator, generator rotor and carousel fixed connection, and the piston passes through drive assembly control carousel rotation.
The fluctuation component comprises a first transmission rod, a second transmission rod, a swinging block and a pushing block for pushing the swinging block, wherein the first transmission rod is fixedly arranged at one end of the control block, which is far away from the communicating pipe, the second transmission rod is fixedly arranged at one end of the piston, which is far away from the communicating pipe, the pushing block is fixedly arranged on the outer wall of the second transmission rod, and the swinging block is fixedly arranged on the outer wall of the first transmission rod.
The transmission assembly comprises a waist-shaped guide block and a slide rod, wherein the waist-shaped guide block is fixedly arranged at one end of the second transmission rod, which is far away from the piston, the slide rod is fixedly arranged on the outer wall of the turntable, and one end of the slide rod extends to the inside of the waist-shaped guide block.
The waste gas discharge pipe is provided with a booster pump.
One side of the first recovery box, which is far away from the metal smelting device, is provided with a treatment box, a condensation chamber with clean water is formed in the treatment box, a water pipe is fixedly connected to the waste gas discharge pipe, the other end of the water pipe is communicated with the condensation chamber, and the diameter of the water pipe is smaller than that of the waste gas discharge pipe.
Be provided with electromagnetic three-way valve on the waste gas discharge pipe, the apron is installed in the top rotation of first collection tank and second collection tank, and the temperature in first collection tank and the second collection tank inner chamber passes through the thermometer and shows.
The inside of the treatment box is provided with a drying chamber, the inner wall of the drying chamber is slidably provided with a placement box, a semiconductor thermoelectric converter is arranged between the drying chamber and the condensing chamber, the heat release end of the semiconductor thermoelectric converter is close to the drying chamber, and the heat absorption end of the semiconductor thermoelectric converter is close to the condensing chamber.
The top fixedly connected with trachea of processing case, tracheal other end and exhaust hole intercommunication, the inside vapor of air current piece gets into condensation chamber through the trachea.
A heat insulation plate is arranged between the drying chamber and the condensing chamber.
The top end of the condensing chamber is fixedly provided with a water guide cone.
1. The invention has the beneficial effects that: the high-temperature waste gas generated by the metal smelting device respectively enters the first recovery tank and the second recovery tank through the waste gas discharge pipe, so that the first recovery tank and the second recovery tank are filled with water vapor, the water vapor entering the air flow block and the transmission cylinder is driven by the piston to drive the second transmission rod to slide back and forth under the action of the stirring component, and the generator is driven to generate electricity under the cooperation of the waist-shaped guide block and the sliding rod, so that the high-temperature waste gas generated by the metal smelting device is effectively utilized.
2. The invention has the beneficial effects that: the vapor exhausted by the airflow block is conveyed to the inside of the condensation chamber through the air pipe, the temperature of the vapor in the condensation chamber is absorbed by the heat absorbing end of the semiconductor thermoelectric converter, the vapor is liquefied rapidly, the vapor is conveyed to the waste gas exhaust pipe through the water pipe for utilization, the heat is discharged to the inner cavity of the drying chamber by the heat absorbing end, the metal particles stored in the placing box are dried, the next utilization is convenient, and meanwhile, the electric energy converted by the heat energy of the semiconductor thermoelectric converter can be collected, so that the effect of waste heat utilization is further improved.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a schematic structural diagram of an electromagnetic three-way valve according to the present invention.
Fig. 3 is an enlarged view of fig. 2 at a in the present invention.
Fig. 4 is a schematic view of the structure of the treatment tank in the present invention.
Fig. 5 is a schematic structural view of a water pipe according to the present invention.
Fig. 6 is a schematic structural diagram of a semiconductor thermoelectric converter according to the present invention.
FIG. 7 is a schematic view of the structure of the water guiding cone according to the present invention.
In the figure: 1. a metal smelting device; 2. a first recovery tank; 3. a second recovery tank; 4. a booster pump; 5. an exhaust gas discharge pipe; 6. an electromagnetic three-way valve; 7. a cover plate; 8. a generator; 9. a treatment box; 10. an air pipe; 11. a turntable; 12. a slide bar; 13. a guide block; 14. a second transmission rod; 15. an air outlet tube; 16. a communicating pipe; 17. a transmission cylinder; 18. an air flow block; 19. a gas control block; 20. an exhaust hole; 21. a first transmission rod; 22. a swinging block; 23. a first air tank; 24. a second air tank; 25. a pushing block; 26. a piston; 27. a water pipe; 28. placing a box; 29. a heat insulating plate; 30. a condensing chamber; 31. a drying chamber; 32. a semiconductor thermoelectric converter; 33. and a water guide cone.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
Example 1
Referring to fig. 1 to 4, a first embodiment of the present invention provides a waste heat recovery apparatus for a metal smelting furnace, which includes a metal smelting apparatus 1, and the metal smelting is required to be performed at a high temperature because of a high melting point of the metal, and a large amount of high temperature gas and smoke are generated during the smelting process.
The device also comprises an exhaust gas discharge pipe 5, a first recovery box 2, a second recovery box 3, a kinetic energy component, a stirring component, a transmission component, a turntable 11 and a generator 8;
The high-temperature waste gas produced by the metal smelting device 1 enters the first recovery tank 2 and the second recovery tank 3 with clean water inside through the waste gas discharge pipe 5 and produces water vapor, the waste gas discharge pipe 5 is arranged as a three-way pipe, one end of the waste gas discharge pipe 5 extends to the top of the metal smelting device 1, the other two ends of the waste gas discharge pipe extend to the inside of the first recovery tank 2 and the second recovery tank 3 respectively, wherein the waste gas discharge pipes 5 extending to the inside of the first recovery tank 2 and the second recovery tank 3 need to extend below the liquid surface, when the metal smelting device 1 works, the produced high-temperature waste gas can enter the clean water stored in the first recovery tank 2 and the second recovery tank 3 respectively through the waste gas discharge pipe 5, at the moment, after the high-temperature waste gas enters the clean water, the clean water gradually boils under the effect of high temperature, when the water is heated to a certain temperature, the molecules of the waste gas gradually change from the liquid state to the gaseous state, the water vapor is formed, the distance between the water molecules becomes large, the intermolecular interaction force weakens, and the density of the water vapor is lower than that of the liquid water, therefore, the water vapor can generate high pressure and fill the first recovery tank 2 or the second recovery tank 3, and the metal particles can absorb the dust particles, and realize the effect of the dust particle filtration, and the dust filtration effect.
The top of first collection box 2 and second collection box 3 all is provided with kinetic energy recovery subassembly, can utilize the vapor of first collection box 2 and second collection box 3 inner chamber through the kinetic energy recovery subassembly that sets up to realize the conversion of kinetic energy.
The kinetic energy recovery assembly comprises an air outlet cylinder 15, a communicating pipe 16, an air flow block 18, an air outlet hole 20, an air control block 19, a first air groove 23, a second air groove 24, a transmission cylinder 17 and a piston 26;
The transmission cylinder 17 is respectively arranged at the top ends of the first recovery box 2 and the second recovery box 3, the air flow block 18 is fixedly arranged at the top end of the transmission cylinder 17, the air flow block 18 is communicated with the inside of the transmission cylinder 17 through a first air groove 23 and a second air groove 24 which are formed in the inside, the first air groove 23 and the second air groove 24 are symmetrically formed at the bottom end of the inside of the air flow block 18, the first air groove 23 and the second air groove 24 are symmetrically arranged, and openings corresponding to the first air groove 23 and the second air groove 24 are formed at the top end of the transmission cylinder 17, so that gas in the air flow block 18 can enter the inside of the transmission cylinder 17 through the first air groove 23 or the second air groove 24, and meanwhile, the gas which has entered the inside of the transmission cylinder 17 can also reenter the inner cavity of the air flow block 18 through the first air groove 23 and the second air groove 24.
The air outlet cylinder 15 is respectively communicated with the interiors of the first recovery tank 2 and the second recovery tank 3, the air outlet cylinder 15 is arranged on one side of the transmission cylinder 17, the bottom end of the air outlet cylinder 15 extends to the interiors of the first recovery tank 2 and the second recovery tank 3, at the moment, the water vapor in the inner cavities of the first recovery tank 2 and the second recovery tank 3 can enter the interiors of the air outlet cylinder 15, the air outlet cylinder 15 is communicated with the inner cavities of the air flow blocks 18 through the communicating pipes 16, one end, far away from the first recovery tank 2, of the air outlet cylinder 15 is fixedly connected with the communicating pipes 16, a one-way valve is needed to be arranged on the communicating pipes 16, the backflow of the water vapor can be limited through the one-way valve, the other end of the communicating pipes 16 extends to the interiors of the air flow blocks 18, the water vapor in the inner cavities of the first recovery tank 2 enters the interiors of the air flow blocks 18 through the air outlet cylinder 15, the water vapor in the interiors of the air outlet cylinder 15 enters the interiors of the air flow blocks 18 under the action of the communicating pipes 16, and the water vapor is conducted to the inner cavities of the transmission cylinder 17 under the action of the first air grooves 23 and the second air grooves 24.
The vent hole 20 is formed in the air flow block 18, water vapor in the inner cavity of the air flow block 18 is discharged through the vent hole 20, water vapor entering the air flow block 18 can be discharged through the vent hole 20 formed in the air flow block 18, and the vent hole 20 is arranged in the center of the air flow block 18.
The piston 26 is slidably mounted in the transmission cylinder 17, the piston 26 is made of a deformable material, the outer wall of the piston 26 is in interference fit with the interior of the piston 26, the sealing effect is further improved, the piston 26 can slide in the transmission cylinder 17 by applying force to the piston 26, water vapor enters the transmission cylinder 17 through the first air groove 23 to control the piston 26 to slide rightwards, the second air groove 24 is blocked, at the moment, the water vapor entering the air flow block 18 can only enter the transmission cylinder 17 through the first air groove 23, and the water vapor gradually increases along with entering the transmission cylinder 17 until the piston 26 can be pushed, and at the moment, the piston 26 can slide rightwards along the inner wall of the transmission cylinder 17.
The steam enters the inner control piston 26 of the transmission cylinder 17 through the second air groove 24 to slide leftwards, the air control block 19 is slidably arranged in the transmission cylinder 17, when the air control block 19 slides to the left of the transmission cylinder 17, the steam entering the air flow block 18 can enter the inner cavity of the transmission cylinder 17 through the second air groove 24 at the moment, and when the air control block 19 slides to the right of the transmission cylinder 17, the steam entering the air flow block 18 can enter the inner cavity of the transmission cylinder 17 through the first air groove 23.
When the first air groove 23 is blocked, the water vapor entering the air flow block 18 can enter the inner cavity of the transmission cylinder 17 through the second air groove 24 until the piston 26 is pushed to slide leftwards in the inner cavity of the transmission cylinder 17.
The gas control block 19 is slidably mounted in the air flow block 18, the bottom end of the gas control block 19 is provided with a cavity, the top end of the gas control block 19 is not attached to the inside of the air flow block 18, when the gas control block 19 slides to the upper side of the first air groove 23, the second air groove 24 is covered by the gas control block 19, meanwhile, the air exhaust hole 20 is covered by the gas control block 19, the water vapor on the left side of the piston 26 can enter the inside of the gas control block 19 through the first air groove 23 and is exhausted from the air exhaust hole 20, at this time, the water vapor entering the air flow block 18 flows through a gap between the gas control block 19 and the inside of the air flow block 18 and enters the inner cavity of the transmission cylinder 17 through the second air groove 24, meanwhile, the piston 26 is pushed to slide leftwards, when the gas control block 19 is controlled to slide reversely, the water vapor on the right side of the piston 26 enters the inside of the air control block 19 and is exhausted from the air exhaust hole 20 through the second air groove 24, no matter how the gas control block 19 slides, the air control block 19 can be covered by the air exhaust hole 20, and only the water vapor enters the inner cavity of the air control block 19.
The sliding of the gas control block 19 is controlled by a wave assembly by which the gas control block 19 can be controlled to slide inside the gas flow block 18.
The top of first collection box 2 and second collection box 3 all is provided with generator 8, generator 8 rotor and carousel 11 fixed connection, and piston 26 passes through drive assembly control carousel 11 and rotates, and alright drive carousel 11 through drive assembly when piston 26 slides rotates, drives the rotor of generator 8 simultaneously and rotates, and when generator 8 rotor rotated, the wire cut magnetic line of force, will produce induced current in the wire according to electromagnetic induction principle, makes generator 8 generate electricity, effectually utilizes the high temperature waste gas of metal smelting device 1 output.
The fluctuation component comprises a first transmission rod 21, a second transmission rod 14, a swinging block 22 and a pushing block 25 for pushing the swinging block 22, wherein the first transmission rod 21 is fixedly arranged at one end of a gas control block 19 away from a communicating pipe 16, the first transmission rod 21 extends out of the outer wall of an air flow block 18, a sealing piece is required to be arranged between the first transmission rod 21 and the air flow block 18, the second transmission rod 14 is fixedly arranged at one end of a piston 26 away from the communicating pipe 16, the second transmission rod 14 extends out of the outer wall of a transmission cylinder 17, a sealing piece is required to be arranged between the second transmission rod 14 and the transmission cylinder 17, the pushing block 25 is fixedly arranged at the outer wall of the second transmission rod 14, the second transmission rod 14 is positioned below the first transmission rod 21, the swinging block 22 is fixedly arranged at the outer wall of the first transmission rod 21, one end of the swinging block 22 is rotatably arranged at the outer wall of the first transmission rod 21, when the swinging block 22 is pushed and rotated, the first transmission rod 21 is driven to slide, meanwhile, the gas 19 is driven to slide in the air flow block 18, the pushing block 25 is driven to slide at the top end of the pushing block 25, when the piston 26 is pushed by water, the second transmission rod 14 is driven to slide to the left, and the second transmission rod 14 is driven to slide to the left, and the second transmission block 25 is driven to slide to the air flow block 25 simultaneously, and the piston 19 is driven to slide to the left.
Wherein two rocking blocks 22 are provided and a pushing block 25 is provided between the two rocking blocks 22.
The transmission assembly comprises a waist-shaped guide block 13 and a slide rod 12, wherein the waist-shaped guide block 13 is fixedly arranged at one end of a second transmission rod 14, which is far away from a piston 26, the slide rod 12 is fixedly arranged on the outer wall of a rotary table 11, one end of the slide rod 12 extends to the inside of the waist-shaped guide block 13, the waist-shaped guide block 13 can be driven to slide reciprocally when the piston 26 slides reciprocally, the slide rod 12 fixed on the outer wall of the rotary table 11 can slide vertically in the inside of the waist-shaped guide block 13 at the moment, the rotary table 11 is driven to rotate simultaneously, and when the rotary table 11 is driven to rotate by the piston 26, a generator 8 can be driven to generate electricity, and the high-temperature waste gas generated by the metal smelting device 1 is effectively utilized.
The booster pump 4 is arranged on the waste gas discharge pipe 5, the booster pump 4 is arranged to boost the pressure of waste gas discharged by the waste gas discharge pipe 5, so that high-temperature waste gas in the metal smelting device 1 can be conducted to the position below the liquid level of clear water in the first recovery tank 2 and the second recovery tank 3, after the high-temperature waste gas enters underwater to be contacted with water, heat is transferred to water from the high-temperature waste gas, the temperature of the water is increased until the water reaches a boiling point and begins to boil, water vapor is produced by rapid boiling of the water, and impurities can be filtered after the high-temperature waste gas enters the position below the liquid level.
The first recovery tank 2 is provided with a treatment tank 9 at one side far away from the metal smelting device 1, a condensing chamber 30 for storing clean water is arranged in the treatment tank 9, a hole is arranged at the top end of the treatment tank 9 and is positioned above the condensing chamber 30, clean water is injected into the treatment tank 9 through the hole, a water through pipe 27 is fixedly connected to an exhaust pipe 5, the other end of the water through pipe 27 is communicated with the condensing chamber 30, one end of the water through pipe 27 extends to below the liquid level of the clean water in the condensing chamber 30, the other end of the water through pipe is communicated with the exhaust pipe 5, the diameter of the water through pipe 27 is smaller than that of the exhaust pipe 5, the flow velocity of the exhaust gas in the exhaust pipe 5 is increased through a booster pump 4, at the moment, the airflow at the connecting part of the water through pipe 27 and the exhaust pipe 5 arranged at one side can accelerate the flow, so that the gas pressure in the water through pipe 27 is reduced, at this time, the air flow inside the water passing pipe 27 flows to the exhaust gas discharge pipe 5 (here, venturi structure is adopted), clean water in the condensation chamber 30 can enter the exhaust gas discharge pipe 5 through the water passing pipe 27 under the action of pressure difference, and is discharged into the first recovery tank 2 or the second recovery tank 3 together with high-temperature exhaust gas, at this time, water flow entering the exhaust gas discharge pipe 5 can also be contacted with the high-temperature exhaust gas in advance, and at this time, water entering the first recovery tank 2 and the second recovery tank 3 is heated and gasified by the high-temperature exhaust gas in advance in the conveying process, so that when the water is conveyed to the inner cavities of the first recovery tank 2 and the second recovery tank 3, the condition of influencing temperature due to the increase of water can be reduced as much as possible, the heat preservation effect of the inner cavities of the first recovery tank 2 and the second recovery tank 3 can be further improved, and the utilization efficiency of water vapor can be improved.
The electromagnetic three-way valve 6 is arranged on the waste gas discharge pipe 5, three interfaces respectively correspond to three pipelines of the waste gas discharge pipe 5, when the coil of the electromagnetic three-way valve 6 is electrified, the iron core can be acted by electromagnetic force to push the valve core to move, so that the opening of the valve is changed, and the circulation direction of gas is controlled.
The top of first collection box 2 and second collection box 3 rotates and installs apron 7, and the temperature in first collection box 2 and the inner chamber of second collection box 3 shows through the thermometer.
The communication department that leads to second collection box 3 through control electromagnetism three-way valve 6 with waste gas discharge pipe 5 is closed, the inside that the high temperature waste gas that metal smelting device 1 produced can only get into first collection box 2 along waste gas discharge pipe 5 this moment, the kinetic energy recovery subassembly that also only first collection box 2 top set up is being started simultaneously, second collection box 3 is because of inside vapor does not continue to increase, lead to internal pressure to reduce gradually, consequently top kinetic energy recovery subassembly also can stop gradually, can monitor the temperature through the inside thermometer that sets up of second collection box 3 this moment, when the temperature reduces to the already degree, alright salvage the granule that exists in the second collection box 3 liquid through opening apron 7 and airing and retrieve, otherwise the operation alright salvage the granule in the first collection box 2.
Example 2: as shown in fig. 5 to 7, comparative example 1, wherein another embodiment of the present invention is:
The top fixedly connected with trachea 10 of treatment box 9, trachea 10 sets up to the three-way pipe equally, the other end and the exhaust hole 20 intercommunication of trachea 10, the inside vapor of air current piece 18 gets into condensation chamber 30 through trachea 10, the exhaust hole 20 and the trachea 10 intercommunication of seting up in the air current piece 18 on first collection box 2 top, the exhaust hole 20 and the trachea 10 intercommunication of seting up in the air current piece 18 that second collection box 3 top set up also, when the kinetic energy recovery subassembly that first collection box 2 and second collection box 3 top set up all starts, the inside of condensation chamber 30 is got into to the vapor of exhaust at this moment, the vapor that gets into condensation chamber 30 is under the condition of not having the intensification, gradually the cooling liquefaction, fall into condensation chamber 30's bottom, not only can accomplish the recovery to the vapor of exhaust, through can be with the inside of the water transmission to waste gas discharge pipe 5 after the condensation again utilize under the effect of water pipe 27.
The inside of the processing box 9 is provided with a drying chamber 31, the drying chamber 31 is arranged at one side of the condensing chamber 30, the inner wall of the drying chamber 31 is slidably provided with a placing box 28, particles salvaged out in the first recycling box 2 and the second recycling box 3 can be poured into the interior of the placing box 28, a semiconductor thermoelectric converter 32 is arranged between the drying chamber 31 and the condensing chamber 30, the heat release end of the semiconductor thermoelectric converter 32 is close to the drying chamber 31, the heat absorption end of the semiconductor thermoelectric converter 32 is close to the condensing chamber 30, the temperature of water vapor in the condensing chamber 30 can be absorbed through the heat absorption end of the semiconductor thermoelectric converter 32 and discharged to the inner cavity of the drying chamber 31 from heat, at the moment, the temperature in the drying chamber 31 can be increased, metal particles stored in the placing box 28 can be dried, the next time can be conveniently utilized, the semiconductor thermoelectric converter 32 can convert heat energy into electric energy, the mutual conversion of the heat energy and the electric energy can be realized, an inverter can be arranged to be matched with the electric energy, the electric energy can be converted into electric energy through the inverter, the electric energy can be stored in a power grid (the electric power transmission network, various voltage and the electric power transmission network can be used as a power distribution network, and an energy storage unit can be used for energy storage and an energy storage network, and an energy storage network can be used for power distribution network.
The heat insulating plate 29 is arranged between the drying chamber 31 and the condensing chamber 30, and the mutual influence of the temperature between the drying chamber 31 and the condensing chamber 30 is reduced as much as possible through the heat insulating plate 29, so that the drying efficiency is improved and the condensing efficiency is improved.
The top of the condensing chamber 30 is fixedly provided with a water guide cone 33, and the water guide cone 33 arranged at the top of the condensing chamber 30 can accelerate the water drop dropping efficiency of water vapor during condensation.
The working process comprises the following steps: when the metal smelting device 1 works, generated high-temperature waste gas can respectively enter clear water stored in the first recovery tank 2 and the second recovery tank 3 through the waste gas discharge pipe 5, so that the first recovery tank 2 and the second recovery tank 3 are filled with water vapor, the piston 26 drives the second transmission rod 14 to slide back and forth under the action of the stirring component after entering the air flow block 18 and the transmission cylinder 17, and the generator 8 is driven to generate electricity under the action of the waist-shaped guide block 13 and the sliding rod 12, so that the high-temperature waste gas generated by the metal smelting device 1 is effectively utilized.
The vapor discharged from the airflow block 18 is conveyed to the inside of the condensation chamber 30 through the air pipe 10, the temperature of the vapor in the condensation chamber 30 can be absorbed through the heat absorbing end of the semiconductor thermoelectric converter 32, the vapor is liquefied rapidly, the vapor is conveyed to the waste gas discharge pipe 5 through the water passing pipe 27 for utilization, the heat is discharged to the inner cavity of the drying chamber 31 through the heat absorbing end, the temperature in the drying chamber 31 can be raised at the moment, the metal particles stored in the storage box 28 can be dried, the next utilization is facilitated, and meanwhile, the electric energy converted by the heat energy of the semiconductor thermoelectric converter 32 can be collected.
Claims (10)
1. The utility model provides a metal smelting furnace waste heat recovery device, includes metal smelting device (1), its characterized in that: the device also comprises an exhaust gas discharge pipe (5), a first recovery box (2), a second recovery box (3), a kinetic energy component, a stirring component, a transmission component, a turntable (11) and a generator (8);
The high-temperature waste gas produced by the metal smelting device (1) enters a first recovery tank (2) and a second recovery tank (3) with clean water inside through a waste gas discharge pipe (5) and produces water vapor, and kinetic energy recovery components are arranged at the top ends of the first recovery tank (2) and the second recovery tank (3);
the kinetic energy recovery assembly comprises an air outlet cylinder (15), a communicating pipe (16), an air flow block (18), an air exhaust hole (20), an air control block (19), a first air groove (23), a second air groove (24), a transmission cylinder (17) and a piston (26);
The transmission cylinder (17) is respectively arranged at the top ends of the first recovery box (2) and the second recovery box (3), the air flow block (18) is fixedly arranged at the top end of the transmission cylinder (17), and the air flow block (18) is communicated with the inside of the transmission cylinder (17) through a first air groove (23) and a second air groove (24) which are formed in the air flow block;
the air outlet cylinder (15) is respectively communicated with the interiors of the first recovery box (2) and the second recovery box (3), the air outlet cylinder (15) is communicated with the inner cavity of the air flow block (18) through the communicating pipe (16), and water vapor in the inner cavities of the first recovery box (2) and the second recovery box (3) enters the interior of the air flow block (18) through the air outlet cylinder (15);
The exhaust hole (20) is formed in the air flow block (18), and water vapor in the inner cavity of the air flow block (18) is exhausted through the exhaust hole (20);
The piston (26) is slidably arranged in the transmission cylinder (17), water vapor enters the inner control piston (26) of the transmission cylinder (17) through the first air groove (23) and slides rightwards, water vapor enters the inner control piston (26) of the transmission cylinder (17) through the second air groove (24), the air control block (19) is slidably arranged in the transmission cylinder (17), when the air control block (19) slides to the left of the transmission cylinder (17), the water vapor entering the air flow block (18) can enter the inner cavity of the transmission cylinder (17) through the second air groove (24), and when the air control block (19) slides to the right of the transmission cylinder (17), the water vapor entering the air flow block (18) can enter the inner cavity of the transmission cylinder (17) through the first air groove (23), and the sliding of the air control block (19) is controlled through the fluctuation component;
The top of first collection box (2) and second collection box (3) all are provided with generator (8), generator (8) rotor and carousel (11) fixed connection, piston (26) are through drive assembly control carousel (11) rotation.
2. The metal smelting furnace waste heat recovery device according to claim 1, wherein: the fluctuation assembly comprises a first transmission rod (21), a second transmission rod (14), a swinging block (22) and a pushing block (25) for pushing the swinging block (22), wherein the first transmission rod (21) is fixedly installed at one end of a control block (19) away from a communicating pipe (16), the second transmission rod (14) is fixedly installed at one end of a piston (26) away from the communicating pipe (16), the pushing block (25) is fixedly installed on the outer wall of the second transmission rod (14), and the swinging block (22) is fixedly installed on the outer wall of the first transmission rod (21).
3. The metal smelting furnace waste heat recovery apparatus according to claim 2, wherein: the transmission assembly comprises a waist-shaped guide block (13) and a slide rod (12), wherein the waist-shaped guide block (13) is fixedly arranged at one end of a second transmission rod (14) far away from a piston (26), the slide rod (12) is fixedly arranged on the outer wall of the rotary table (11), and one end of the slide rod (12) extends to the inside of the waist-shaped guide block (13).
4. A metal smelting furnace waste heat recovery apparatus according to claim 3, wherein: the waste gas discharge pipe (5) is provided with a booster pump (4).
5. The metal smelting furnace waste heat recovery apparatus according to claim 4, wherein: one side that metal smelting device (1) was kept away from to first collection box (2) is provided with treatment box (9), the condensation cavity (30) that have stored clear water have been seted up to the inside of treatment box (9), fixedly connected with water pipe (27) on waste gas discharge pipe (5), the other end and the condensation cavity (30) intercommunication of water pipe (27), the diameter of water pipe (27) is less than waste gas discharge pipe (5).
6. The metal smelting furnace waste heat recovery device according to claim 5, wherein: be provided with electromagnetism three-way valve (6) on waste gas discharge pipe (5), apron (7) are installed in the top rotation of first collection tank (2) and second collection tank (3), the temperature of first collection tank (2) and second collection tank (3) inner chamber shows through the thermometer.
7. The metal smelting furnace waste heat recovery apparatus according to claim 6, wherein: drying chamber (31) have been seted up to the inside of processing box (9), the inner wall slidable mounting of drying chamber (31) has placed box (28), be provided with semiconductor thermoelectric converter (32) between drying chamber (31) and condensation chamber (30), the exothermic end of semiconductor thermoelectric converter (32) is close to drying chamber (31), the endothermic end of semiconductor thermoelectric converter (32) is close to condensation chamber (30).
8. The metal smelting furnace waste heat recovery apparatus according to claim 7, wherein: the top of the treatment box (9) is fixedly connected with an air pipe (10), the other end of the air pipe (10) is communicated with an exhaust hole (20), and water vapor in the air flow block (18) enters the condensation chamber (30) through the air pipe (10).
9. The metal smelting furnace waste heat recovery apparatus according to claim 8, wherein: a heat insulation plate (29) is arranged between the drying chamber (31) and the condensing chamber (30).
10. The metal smelting furnace waste heat recovery apparatus according to claim 9, wherein: a water guide cone (33) is fixedly arranged at the top end of the condensation chamber (30).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311780982.6A CN117760226B (en) | 2023-12-22 | 2023-12-22 | Metal smelting furnace waste heat recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311780982.6A CN117760226B (en) | 2023-12-22 | 2023-12-22 | Metal smelting furnace waste heat recovery device |
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| CN117760226A CN117760226A (en) | 2024-03-26 |
| CN117760226B true CN117760226B (en) | 2024-05-28 |
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| CN106871653A (en) * | 2017-03-01 | 2017-06-20 | 刘青建 | A kind of chemical industry for being easy to energy-conserving and environment-protective smelts waste-heat recovery device |
| CN110732200A (en) * | 2019-11-06 | 2020-01-31 | 朱建月 | metal block smelting furnace capable of recycling heat energy |
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| CN115031544A (en) * | 2022-06-16 | 2022-09-09 | 赵晓琳 | Waste heat recovery device of non-ferrous metal smelting furnace |
| CN115265207A (en) * | 2022-07-12 | 2022-11-01 | 杨玲 | Method for recovering waste heat of high-temperature metallurgical slag |
| CN117212767A (en) * | 2023-08-09 | 2023-12-12 | 华能苏州热电有限责任公司 | Boiler preheating system |
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- 2023-12-22 CN CN202311780982.6A patent/CN117760226B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871653A (en) * | 2017-03-01 | 2017-06-20 | 刘青建 | A kind of chemical industry for being easy to energy-conserving and environment-protective smelts waste-heat recovery device |
| CN110732200A (en) * | 2019-11-06 | 2020-01-31 | 朱建月 | metal block smelting furnace capable of recycling heat energy |
| CN113266462A (en) * | 2021-04-30 | 2021-08-17 | 陈建华 | Energy-saving gas steam linear generator |
| CN115031544A (en) * | 2022-06-16 | 2022-09-09 | 赵晓琳 | Waste heat recovery device of non-ferrous metal smelting furnace |
| CN115265207A (en) * | 2022-07-12 | 2022-11-01 | 杨玲 | Method for recovering waste heat of high-temperature metallurgical slag |
| CN117212767A (en) * | 2023-08-09 | 2023-12-12 | 华能苏州热电有限责任公司 | Boiler preheating system |
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| CN117760226A (en) | 2024-03-26 |
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