CN220541782U - Converter flue gas waste heat recovery device - Google Patents
Converter flue gas waste heat recovery device Download PDFInfo
- Publication number
- CN220541782U CN220541782U CN202322192190.9U CN202322192190U CN220541782U CN 220541782 U CN220541782 U CN 220541782U CN 202322192190 U CN202322192190 U CN 202322192190U CN 220541782 U CN220541782 U CN 220541782U
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- Prior art keywords
- tank
- gas
- pipe
- heat preservation
- tobacco pipe
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000003546 flue gas Substances 0.000 title claims abstract description 31
- 239000002918 waste heat Substances 0.000 title claims abstract description 26
- 238000011084 recovery Methods 0.000 title claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000004321 preservation Methods 0.000 claims abstract description 53
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 238000009833 condensation Methods 0.000 claims abstract description 6
- 230000005494 condensation Effects 0.000 claims abstract description 6
- 241000208125 Nicotiana Species 0.000 claims description 47
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 47
- 239000000779 smoke Substances 0.000 claims description 29
- 239000010410 layer Substances 0.000 claims description 18
- 239000006260 foam Substances 0.000 claims description 7
- 238000005187 foaming Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a converter flue gas waste heat recovery device which comprises a tank body, wherein two ends of the tank body are fixedly connected with a water inlet tank and a water outlet tank, the water inlet tank is fixedly provided with a water inlet pipe, a plurality of baffle plates are fixedly arranged in the tank body in a staggered manner up and down, a plurality of groups of condensation pipes are fixedly arranged in the tank body, the condensation pipes penetrate through the baffle plates to be communicated with the water inlet tank and the water outlet tank, a water storage tank is arranged below the water outlet tank, a heat preservation device is arranged in the water storage tank, a flue inlet pipe and a flue outlet pipe are fixedly communicated above the tank body, a flue return pipe is communicated between the flue inlet pipe and the flue outlet pipe, a reversing valve is arranged between the flue inlet pipe and the flue return pipe, a temperature detector is arranged above the flue outlet pipe, an electric three-way valve is fixedly arranged above the flue outlet pipe, the temperature detector is electrically connected with the electric three-way valve, one end of the flue return pipe is provided with a gas filtering device, the flue return pipe is communicated with a gas collection tank, and a gas heat preservation device is fixedly arranged inside the gas collection tank.
Description
Technical Field
The utility model relates to the technical field of flue gas waste heat recovery, in particular to a converter flue gas waste heat recovery device.
Background
The boiler flue gas waste heat recovery principle is a technology capable of effectively utilizing energy, and can recycle waste heat in boiler flue gas, so that the energy utilization efficiency is improved, the energy consumption is reduced, and the environmental pollution is reduced. The flue gas waste heat recovery can be used for waste heat water supply or waste heat to help burn air, so as to achieve the purposes of saving fuel and energy. Secondly, if the temperature of the discharged smoke of the boiler is too high, the thermal efficiency of the boiler is low, and a large amount of heat is brought into the atmosphere by the smoke, so that a large amount of energy is wasted, and the environment is polluted. In order to save energy, the flue gas waste heat recovery can reuse a large amount of heat energy generated in the process. The waste heat recovery and utilization is 1 effective way for improving the application efficiency of waste heat resources and excavating the potential of environmental protection and energy saving.
In the prior art, a steelmaking converter flue gas waste heat recovery system of publication No. CN218842233U includes: a heat exchange box; the heat exchange tube is arranged in the heat exchange box, both ends of the heat exchange tube extend out of the heat exchange box, one side of the heat exchange box is connected with a smoke inlet pipe, and the other side of the heat exchange box is fixed with a smoke outlet pipe; the utility model can enable the scraper assembly to lift up and down along the heat exchange tube through the cooperation of the structures of the cylinder, the supporting plate, the scraper assembly, the scraping blade and the like, so that the scraping blade can scrape the outer wall of the heat exchange tube, dust and impurities attached to the outer wall of the heat exchange tube can be scraped, the scaling of the outer wall of the heat exchange tube is effectively prevented, the heat exchange efficiency is ensured, and the waste heat recovery effect of the device is greatly improved.
However, the prior art still has great disadvantages, such as:
when the device and the prior art exchange heat through the heat exchange pipe in the heat exchange box, the heat exchange method only performs single heat exchange, and the temperature reduction effect is possibly poor, so that the flue gas recovery is insufficient.
2. After the heat exchange is completed, water during the heat exchange can be collected for secondary utilization, and the flue gas after the heat exchange can be filtered and then collected or released so as to achieve the purpose of secondary utilization, so that the flue gas waste heat can be utilized more efficiently, and the cost can be saved better.
Disclosure of Invention
The utility model aims to provide a converter flue gas waste heat recovery device for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the converter flue gas waste heat recovery device comprises a tank body, wherein one end of the tank body is fixedly connected with a water inlet tank, a water inlet pipe is fixedly arranged on the water inlet tank, a water outlet tank is fixedly communicated with the other side of the tank body, a plurality of baffle plates are fixedly arranged in the tank body in a staggered manner up and down, a plurality of groups of condensation pipes are fixedly arranged in the tank body, the condensation pipes penetrate through the baffle plates to be communicated with the water inlet tank and the water outlet tank, a water storage tank is arranged below the water outlet tank, a heat preservation device is arranged in the water storage tank, and a support frame is fixedly arranged below the tank body;
the utility model discloses a solar energy collection tank, including jar body top, jar body top fixed intercommunication has into the tobacco pipe, jar body top fixed intercommunication has out the tobacco pipe, advance the tobacco pipe and go out the tobacco pipe between the tobacco pipe intercommunication and return the tobacco pipe, advance the tobacco pipe and return and install the switching-over valve between the tobacco pipe, it is provided with the temperature detector to go out the tobacco pipe, it is fixed to be provided with electronic three-way valve to go out the tobacco pipe top, temperature detector electric connection electronic three-way valve, it is provided with gas filter equipment to return tobacco pipe one end, return tobacco pipe intercommunication gas collection tank, gas collection tank inside is fixed and is provided with gas heat preservation device.
Preferably, the heat preservation device inside the water storage tank comprises a foam heat preservation layer inside the tank body, a heat preservation tank is arranged inside the foam heat preservation layer, a sponge heat preservation layer is filled in an interlayer of the heat preservation tank, an electric valve is fixedly arranged on the water storage tank, and the electric valve is electrically connected with the water outlet tank.
Preferably, the gas filtering device comprises a pipe body, a detachable filter element is arranged in the pipe body, flanges are fixedly arranged at two ends of the pipe body, and a sealing rubber cushion is fixedly arranged on the flanges.
Preferably, the gas heat preservation device comprises a foaming heat preservation layer inside a gas collection tank, the foaming heat preservation layer is fixedly connected with a vacuum heat insulation layer, the gas collection tank is fixedly provided with an electromagnetic valve, and the electromagnetic valve is electrically connected with a smoke return pipe.
Preferably, the water inlet tank, the water outlet tank and the tank body are connected through flanges, and a sealing rubber cushion is arranged between the water inlet tank, the water outlet tank and the tank body for sealing.
Preferably, the gas filtering device is arranged on the smoke return pipe and is arranged to be two-stage filtering.
Preferably, the gas collecting tank is fixedly provided with a gas pressure alarm for detecting the gas pressure in the tank.
Compared with the prior art, the utility model has the beneficial effects that:
1. the heat exchange box is provided with a smoke inlet pipe and a smoke outlet pipe, the smoke inlet pipe is communicated with the smoke outlet pipe, and the smoke can be cooled for a plurality of times through valve control, so that a better cooling effect can be achieved;
2. when the cooled gas is recovered, the cooled gas is fully filtered by the two-stage gas filtering device, so that the gas can be recycled more efficiently and safely, the gas is recovered after being filtered, the gas is stored in a heat-preserving way, and meanwhile, the recovered hot water is stored in a heat-preserving way after the water used for cooling the gas is heated, so that the recovered gas can be reused to the greatest extent;
3. when the hot water and the recovered gas are subjected to heat preservation, the heat preservation and storage are performed through different mediums and methods, and the effect of reducing the loss of hot gas is achieved to the greatest extent.
In the use process, the heat exchange box is provided with the smoke inlet pipe and the smoke outlet pipe, the smoke inlet pipe is communicated with the smoke outlet pipe, the smoke can be cooled for a plurality of times through valve control, a better cooling effect can be achieved, the smoke outlet pipe is provided with the temperature detector, the temperature detector is electrically connected with the electric three-way valve, gas with expected temperature can be accurately obtained, when the cooled gas is recovered, the cooled gas is fully filtered through the two sections of gas filtering devices, so that the gas can be utilized for the second time, the gas is recovered, the gas is stored in a heat preservation mode, meanwhile, the water used in the process of cooling the gas is heated, the recovered hot water is stored in a heat preservation mode, and when the hot water and the recovered gas are stored in a heat preservation mode, the effect of reducing the loss of the hot gas is achieved to the greatest extent, and the recovered gas can be utilized for the second time to the greatest extent.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic elevational view of the overall structure of the present utility model;
FIG. 3 is a schematic view of the internal structure of the present utility model;
FIG. 4 is a schematic view of a gas filtration device of the present utility model;
FIG. 5 is a schematic view showing the internal structure of the gas filtering device of the present utility model;
FIG. 6 is a schematic diagram of the internal structure of the water storage tank of the present utility model;
FIG. 7 is a schematic view showing the internal structure of the gas collection tank of the present utility model.
In the figure: 1. a tank body; 2. a water inlet tank; 3. a water inlet pipe; 4. discharging the water tank; 5. a baffle plate; 6. a condensing tube; 7. a water storage tank; 8. a support frame; 9. a smoke inlet pipe; 10. a smoke outlet pipe; 11. a smoke return pipe; 12. a reversing valve; 13. a temperature detector; 14. an electric three-way valve; 15. a gas collection tank; 16. a foam insulation layer; 17. a heat preservation tank; 18. a sponge heat-insulating layer; 19. an electric valve; 20. a tube body; 21. a filter element; 22. a flange; 23. sealing the rubber cushion; 24. foaming heat preservation layer; 25. a vacuum heat insulating layer; 26. an electromagnetic valve; 27. an air pressure alarm.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-7, the present utility model provides a technical solution:
embodiment one:
the utility model provides a converter flue gas waste heat recovery device, including a jar body 1, jar body 1 one end fixedly communicates intake box 2, intake box 2 fixedly is provided with inlet tube 3, jar body 1 opposite side fixedly connected goes out water tank 4, intake box 2, go out water tank 4 and jar body 1 pass through flange joint, it seals to connect between intake box 2, go out water tank 4 and jar body 1, also can change the connected mode, flange joint is not the unique connected mode, jar body 1 inside fixed up-down crisscross a plurality of baffles 5 that are provided with, jar body 1 inside fixed a plurality of groups condenser pipe 6, baffle 5 is the effect of water conservancy diversion gas, be the gas with condenser pipe 6 contact time longer, thereby can cool down better, baffle 5 and condenser pipe 6 quantity and specification are not unique, can set up according to specific conditions, condenser pipe 6 runs through baffle 5 intercommunication intake box 2 and play water tank 4, be provided with storage tank 7 below water tank 4, storage tank 7 inside is provided with heat preservation device, jar body 1 below is fixed with support frame 8;
the fixed intercommunication in jar body 1 top has into tobacco pipe 9, jar body 1 top fixed intercommunication has out tobacco pipe 10, it sets up in the one end that is close to water inlet tank 2 to advance tobacco pipe 9, it sets up in the one end that is close to water outlet tank 4 to go out tobacco pipe 10, it returns tobacco pipe 11 to communicate between tobacco pipe 9 and the play tobacco pipe 10, it runs through to advance tobacco pipe 9 and go out tobacco pipe 10 to return tobacco pipe 11, it installs switching-over valve 12 to advance between tobacco pipe 9 and the play tobacco pipe 11, switching-over valve 12 can open and close the income cigarette passageway of advancing tobacco pipe 9 according to the gaseous cooling condition, with advance the passageway of tobacco pipe 9 and return tobacco pipe 11, it is provided with temperature detector 13 to go out tobacco pipe 10, it is provided with electric three-way valve 14 to go out tobacco pipe 10 top fixed, electric three-way valve 14 of temperature detector 13 electric connection, when temperature detector 13 detects out tobacco pipe 10's gas temperature excessively high, open out tobacco pipe 10 and return the passageway of tobacco pipe 11, make the flue gas circulate the work of cooling, return tobacco pipe 11 one end is provided with gas filter device, return 11 intercommunication gas collection tank 15, gas collection tank 15 inside is fixedly provided with gas heat preservation device.
In this embodiment, will describe to the inside heat preservation device of storage water tank 7, the inside heat preservation device of storage water tank 7 includes the inside foam heat preservation 16 of box, and foam heat preservation 16 is inside to be provided with heat preservation jar 17, and it has sponge heat preservation 18 to pack in the intermediate layer of heat preservation jar 17, sets up two kinds of different heat preservation modes in the heat preservation device, can furthest guarantee like this that the temperature does not run off to reach the utilization ratio of reutilization, the fixed electric valve 19 that is provided with of storage water tank 7, electric valve 19 carries out electric connection with outlet box 4.
In this embodiment, will describe to the gas heat preservation device, the gas heat preservation device includes the inside foaming heat preservation 24 of gas collection tank 15, foaming heat preservation 24 fixed connection vacuum insulation layer 25, the gas heat preservation device also sets up two kinds of different heat preservation modes, in order to avoid the temperature to run off, also can set up other heat preservation modes according to the specific condition, the heat preservation mode is not unique, the fixed solenoid valve 26 that is provided with of gas collection tank 15, solenoid valve 26 carries out electric connection with back tobacco pipe 11, the outside fixed pneumatic alarm 27 that is used for monitoring the internal gas pressure of jar that is provided with of gas collection tank 15, when pneumatic alarm 27 monitors the internal gas pressure of jar too high, will continuously send out the alarm, the staff can stop the device work this moment, change gas collection tank, staff's safety has also been guaranteed simultaneously.
Embodiment two:
in this embodiment, will describe to gas filtration device, gas filtration device includes body 20, the inside detachable filter core 21 that is provided with of body 20, body 20 both ends are fixed to be provided with flange 22, flange 22 is fixed to be provided with airtight cushion 23, gas filtration device sets up on returning tobacco pipe 11, gas filtration device passes through flange 22 with returning tobacco pipe 11 and is connected, can make things convenient for the device to demolish, so that change and clean the device, and gas filtration device sets up to two sections, can guarantee the result after the gas filtration more greatly, make the filtration more abundant, also can set up the filter segment of different quantity according to the specific condition, two sections filter devices are not unique.
Working principle: in the use process of the device, a worker fills the water inlet tank 2 with water through the water inlet pipe 3, then injects smoke through the smoke inlet pipe 9, the reversing valve 12 closes the smoke inlet pipe 9, the smoke enters the heat exchanger and contacts with the condensing pipe 6 to perform cooling heat exchange, the baffle plate 5 can increase the contact time of the smoke and the condensing pipe 6, so that better heat exchange is achieved, the water in the condensing pipe 6 is subjected to heat exchange, the temperature rises, the heated water is stored in the water storage tank 7 through the water outlet tank 4 after heat exchange, and the water storage tank 7 is internally provided with a heat preservation device, so that the hot water can be preserved and stored for later secondary use;
after the gas is cooled, the flue gas passes through the smoke outlet pipe 10, when the flue gas passes through the smoke outlet pipe 10, the temperature detector 13 detects the temperature of the flue gas, if the temperature does not reach the expected temperature, the flue gas reenters the heat exchanger through the return pipe 11 to cool, if the temperature does not reach the expected temperature, the electric three-way valve 14 electrically connected with the temperature detector 13 closes the channel of the return pipe 11, the channel of the flue gas is opened, the cooled flue gas enters the gas filtering device at the moment, and after filtration, the flue gas continuously flows into the gas collecting tank 15, the section in front of the gas collecting tank 15 is still the gas filtering device, and two sections of gas filtering devices are arranged, so that the sufficient filtration of the gas can be ensured, and the gas filtering device can be removed for replacement and cleaning;
after the filtration is accomplished, gas gets into gas collection jar 15, is provided with heat preservation device in the gas collection jar 15, can keep warm the gas of entering, still is equipped with pressure alarm 27 simultaneously, and pressure alarm 27 real-time supervision gas pressure in the gas collection jar 15, when pressure alarm 27 monitored inside pressure increases to a certain extent, send out the police dispatch newspaper, and the staff can stop work, retrieves gas collection jar 15.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a converter flue gas waste heat recovery device, includes a jar body (1), its characterized in that: one end of the tank body (1) is fixedly connected with the water inlet tank (2), the water inlet tank (2) is fixedly communicated with the water inlet pipe (3), the other side of the tank body (1) is fixedly connected with the water outlet tank (4), a plurality of baffle plates (5) are fixedly arranged in the tank body (1) in a staggered mode, a plurality of groups of condensation pipes (6) are fixedly arranged in the tank body (1), the condensation pipes (6) penetrate through the baffle plates (5) to be communicated with the water inlet tank (2) and the water outlet tank (4), a water storage tank (7) is arranged below the water outlet tank (4), a heat preservation device is arranged in the water storage tank (7), and a support frame (8) is fixedly arranged below the tank body (1);
the utility model discloses a gas heat preservation device, including jar body (1), jar body (1) top fixed intercommunication has into tobacco pipe (9), jar body (1) top fixed intercommunication has out tobacco pipe (10), advance and communicate between tobacco pipe (9) and the play tobacco pipe (10) and return tobacco pipe (11), advance and install switching-over valve (12) between tobacco pipe (9) and the play tobacco pipe (11), it is provided with temperature detector (13) to go out tobacco pipe (10), it is provided with electronic three-way valve (14) to go out tobacco pipe (10) top fixed, electronic three-way valve (14) of temperature detector (13) electric connection, it is provided with gas filtering device to return tobacco pipe (11) one end, it is provided with gas collecting tank (15) to return tobacco pipe (11) intercommunication, gas collecting tank (15) inside fixed being provided with gas heat preservation device.
2. The converter flue gas waste heat recovery device according to claim 1, wherein: the heat preservation device inside the water storage tank (7) comprises a foam heat preservation layer (16) inside the tank body, a heat preservation tank (17) is arranged inside the foam heat preservation layer (16), a sponge heat preservation layer (18) is filled in an interlayer of the heat preservation tank (17), an electric valve (19) is fixedly arranged on the water storage tank (7), and the electric valve (19) is electrically connected with the water outlet tank (4).
3. The converter flue gas waste heat recovery device according to claim 1, wherein: the gas filtering device comprises a pipe body (20), a detachable filter element (21) is arranged inside the pipe body (20), flanges (22) are fixedly arranged at two ends of the pipe body (20), and a sealing rubber pad (23) is fixedly arranged on the flanges (22).
4. The converter flue gas waste heat recovery device according to claim 1, wherein: the gas heat preservation device comprises a foaming heat preservation layer (24) inside a gas collection tank (15), the foaming heat preservation layer (24) is fixedly connected with a vacuum heat insulation layer (25), an electromagnetic valve (26) is fixedly arranged on the gas collection tank (15), and the electromagnetic valve (26) is electrically connected with a smoke return pipe (11).
5. The converter flue gas waste heat recovery device according to claim 1, wherein: the water inlet tank (2), the water outlet tank (4) and the tank body (1) are connected through flanges, and a closed rubber cushion is arranged between the water inlet tank (2), the water outlet tank (4) and the tank body (1) for sealing.
6. A converter flue gas waste heat recovery device according to claim 3, wherein: the gas filtering device is arranged on the smoke returning pipe (11) and is arranged to be two-section filtering.
7. The converter flue gas waste heat recovery device according to claim 4, wherein: the outside of the gas collection tank (15) is fixedly provided with a gas pressure alarm (27) for monitoring the gas pressure in the tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322192190.9U CN220541782U (en) | 2023-08-15 | 2023-08-15 | Converter flue gas waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322192190.9U CN220541782U (en) | 2023-08-15 | 2023-08-15 | Converter flue gas waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220541782U true CN220541782U (en) | 2024-02-27 |
Family
ID=89962039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322192190.9U Active CN220541782U (en) | 2023-08-15 | 2023-08-15 | Converter flue gas waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220541782U (en) |
-
2023
- 2023-08-15 CN CN202322192190.9U patent/CN220541782U/en active Active
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