CN216204313U - Energy-saving hot blast stove based on complementary energy cyclic utilization and control device - Google Patents
Energy-saving hot blast stove based on complementary energy cyclic utilization and control device Download PDFInfo
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- CN216204313U CN216204313U CN202122821281.5U CN202122821281U CN216204313U CN 216204313 U CN216204313 U CN 216204313U CN 202122821281 U CN202122821281 U CN 202122821281U CN 216204313 U CN216204313 U CN 216204313U
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Abstract
The utility model relates to the technical field of hot blast stoves, in particular to an energy-saving hot blast stove based on complementary energy recycling and a control device. The energy-saving hot blast stove based on complementary energy recycling comprises a first support, wherein a combustion device and a heat exchange device are horizontally arranged on the first support, and the combustion device is communicated with the heat exchange device through a heat transmission pipeline; the waste energy recycling device is communicated with the heat exchange device and the combustion device through a heat transmission pipeline to recycle the waste energy, and the residual energy after drying enters the combustion chamber again to be heated, so that the fuel loss is reduced, the heat efficiency is improved, and the highest efficiency is achieved with the least energy. The hot blast stove integrates a boiler, a heat exchange plate and a blower, greatly reduces the acquisition cost, and has long service life and low maintenance cost.
Description
Technical Field
The utility model relates to the technical field of hot blast stoves, in particular to an energy-saving hot blast stove based on complementary energy recycling and a control device.
Background
The hot blast stove as heat power machine is widely used in China in the end of the 20 th century 70 s, and has become an upgrading product of electric heat sources and traditional steam power heat sources in many industries. The hot blast stove has various types and complete series.
The existing hot blast stove still partially adopts coal as a raw material, and with the attention of the state on energy conservation and environmental protection, compared with natural gas, fuel oil and biomass granular fuel, the natural gas, fuel oil and biomass granular fuel can reach the national emission standard without tail gas treatment, so that the natural gas, fuel oil and biomass granular fuel adopted by the hot blast stove fuel become the mainstream trend.
The energy generated by combustion of the hot blast stove is certain, and the energy generated by the combustion of the hot blast stove is vital to full utilization, however, the energy generated by the combustion of the existing hot blast stove heats the heat pipe, the heat of the heat pipe is taken away by blowing, and the energy utilization rate is low, and is usually about 30-40%; and most of hot blast stoves with higher energy utilization rate are expensive by changing the internal integral structure of the hot blast stove.
Therefore, the high-efficiency energy-saving hot blast stove which has the advantages of simple structure, convenient operation, investment saving, high working efficiency, simple pipeline system, stable structure and recyclable residual energy is produced, and the high-efficiency energy-saving hot blast stove has wide market prospect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve at least one technical problem in the prior art and provides an energy-saving hot blast stove based on complementary energy recycling and a control device.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: an energy-saving hot blast stove based on complementary energy recycling comprises a first support, wherein a combustion device and a heat exchange device are horizontally arranged on the first support, and the combustion device is communicated with the heat exchange device through a heat transmission pipeline; the combustion device is provided with a second support, the second support is provided with a residual energy recycling device, and the residual energy recycling device is communicated with the heat exchange device and the combustion device through a heat transmission pipeline.
Furthermore, the heat transmission pipeline comprises a first smoke return pipeline, a second smoke return pipeline and a smoke discharge pipeline, and the combustion device is communicated with the heat exchange device through the second smoke return pipeline; one end of the waste energy recycling device is communicated with the combustion device through the first smoke return pipeline, and the other end of the waste energy recycling device is communicated with the heat exchange device through the smoke exhaust pipeline.
Further, the combustion device comprises a combustion cylinder, and a burner for heating fuel is arranged at one end of the combustion cylinder.
Furthermore, a first smoke return port and a second smoke return port which are communicated with the heat exchange device are arranged at the top of the combustion cylinder, the first smoke return port is communicated with the first smoke return pipeline, and the second smoke return port is communicated with the second smoke return pipeline.
Furthermore, the heat exchange device comprises a heat exchange chamber, two ends of the heat exchange chamber are conical end faces, and a blower is arranged in the center of one end face.
Furthermore, the heat exchange chamber is respectively provided with a first smoke return pipeline, a second smoke return pipeline, a first smoke return port matched with the smoke exhaust pipeline, a second smoke return port and a smoke exhaust port, and the smoke exhaust port is arranged at the top of the heat exchange chamber.
Furthermore, a first heat exchange unit, a second heat exchange unit and a third heat exchange unit are arranged in the heat exchange chamber, a plurality of finned tubes are arranged in the first heat exchange unit and the second heat exchange unit, and an energy-saving tube is arranged in the third heat exchange unit.
Further, the diameter of the finned tube is equivalent to that of the energy-saving tube.
Further, the complementary energy recycling device comprises an induced draft fan, one end of the induced draft fan is connected with the smoke outlet of the heat exchange chamber, and the other end of the induced draft fan is connected with a first smoke return pipeline communicated with the combustion device.
The utility model provides an energy-conserving hot-blast furnace controlling means based on complementary energy cyclic utilization, includes foretell energy-conserving hot-blast furnace and controller based on complementary energy cyclic utilization, the controller with burner, heat transfer device, complementary energy recycle device electricity are connected for control burner, heat transfer device, complementary energy recycle device's operating condition.
Compared with the prior art, the utility model has the beneficial effects that: the energy-saving hot blast stove based on complementary energy recycling comprises a first support, wherein a combustion device and a heat exchange device are horizontally arranged on the first support, and the combustion device is communicated with the heat exchange device through a heat transmission pipeline; the waste energy recycling device is communicated with the heat exchange device and the combustion device through a heat transmission pipeline to recycle the waste energy, and the residual energy after drying enters the combustion chamber again to be heated, so that the fuel loss is reduced, the heat efficiency is improved, and the highest efficiency is achieved with the least energy. The hot blast stove integrates a boiler, a heat exchange plate and a blower, so that the acquisition cost is greatly reduced; the hot blast stove has the advantages of long service life, low maintenance cost, high automation degree, automatic temperature control and remote control, and unattended operation.
Drawings
FIG. 1 is a schematic structural diagram of an energy-saving hot blast stove based on complementary energy recycling in the preferred embodiment of the utility model;
FIG. 2 is a cross-sectional view of a stove A-A according to a preferred embodiment of the utility model;
FIG. 3 is a front view of a heat exchanging device in an energy-saving hot blast stove based on waste energy recycling in a preferred embodiment of the present invention;
in the figure, 1, a first support; 2. a combustion device; 21. a combustion can; 3. a heat exchange device; 31. a heat exchange chamber; 311. a first heat exchange unit; 312. a second heat exchange unit; 313. a third heat exchange unit; 32. a blower; 4. a second support; 5. a waste energy recycling device; 51. an induced draft fan; 6. a first smoke return pipeline; 61. a first smoke return port; 7. a second smoke return pipeline; 71. a second smoke return port; 8. a smoke exhaust duct; 81. a smoke outlet; 9. a finned tube; 10. an energy-saving pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, in a preferred embodiment of the present invention, an energy-saving hot blast stove based on waste energy recycling comprises a first support 1, a combustion device 2 and a heat exchange device 3 are horizontally arranged on the first support 1, and the combustion device 2 is communicated with the heat exchange device 3 through a heat transmission pipeline; the combustion device 2 is provided with a second support 4, the second support 4 is provided with a residual energy recycling device 5, the residual energy recycling device 5 is communicated with the heat exchange device 3 and the combustion device 2 through a heat transmission pipeline to recycle residual energy, and the residual energy after drying enters the combustion chamber again to be heated, so that the fuel loss is reduced, the heat efficiency is improved, and the highest efficiency is achieved with the least energy. The hot blast stove integrates a boiler, a heat exchange plate and a blower, so that the acquisition cost is greatly reduced; and the hot blast stove has long service life and low maintenance cost.
As a preferred embodiment of the present invention, it may also have the following additional technical features: the heat transmission pipeline comprises a first smoke return pipeline 6, a second smoke return pipeline 7 and a smoke discharge pipeline 8, and the combustion device 2 is communicated with the heat exchange device 3 through the second smoke return pipeline; one end of the waste energy recycling device 5 is communicated with the combustion device 2 through the first smoke return pipeline, and the other end of the waste energy recycling device is communicated with the heat exchange device through the smoke exhaust pipeline, so that the recycling of waste energy heat is realized.
In this embodiment, burner 2 includes a combustion tube 21, the one end of a combustion tube 21 is provided with the combustor 22 that is used for heating fuel, and a combustion tube 21 top is provided with the intercommunication first smoke return mouth, the second smoke return mouth of heat transfer device 3, first smoke return mouth with first smoke return pipeline 6 is linked together, the second smoke return mouth with second smoke return pipeline 7 is linked together for the high temperature flue gas that the combustor discharged mixes in the combustion tube with the flue gas of draught fan exhaust fume outlet, and flows to first heat transfer unit convection heating surface through second smoke return pipeline and releases heat, and then gets into second heat transfer unit convection heating surface and releases heat, gets into third heat transfer unit energy-saving appliance heating surface at last to effectively reduce exhaust gas temperature, the flue gas emits into the atmosphere at last.
In the embodiment, the heat exchange device 3 comprises a heat exchange chamber 31, two ends of the heat exchange chamber 31 are conical end surfaces, and a blower 32 is arranged in the center of one end surface, and the blower of the embodiment is designed on one end surface close to the smoke exhaust port, so that the exhaust temperature of the blower can be effectively ensured through the blower, the heat loss in the heat exchange chamber is small, and the heat utilization rate is high; the heat exchange chamber 31 is respectively provided with a first smoke return pipeline, a second smoke return pipeline, a first smoke return port 61 matched with the smoke exhaust pipeline, a second smoke return port 71 matched with the smoke exhaust pipeline, and a smoke exhaust port 81, the smoke exhaust port 81 is arranged at the top of the heat exchange chamber 31, and the bottom of the heat exchange chamber is provided with a drying exhaust port, so that the temperature of smoke can be reduced after passing through the heat exchange chamber, and the energy waste is effectively avoided; the first heat exchange unit 311, the second heat exchange unit 312 and the third heat exchange unit 313 are arranged in the heat exchange chamber 31, the fin tubes 9 are arranged in the first heat exchange unit 311 and the second heat exchange unit 312, the energy-saving tubes 10 are arranged in the third heat exchange unit 313, and the diameters of the fin tubes 9 are equal to those of the energy-saving tubes 10, so that flue gas enters the second convection heating surface for heat release after being subjected to heat release by the first convection heating surface, and further enters the heating surface of the energy saver after heat release, thereby reducing the temperature of the flue gas, finally being discharged into the atmosphere and effectively avoiding energy waste.
In this embodiment, the waste energy recycling device 5 includes the induced draft fan 51, induced draft fan 51 one end connect in the exhaust port 8 of heat transfer chamber 51, the other end connect in with the first smoke return pipeline that burner 3 is linked together realizes the cyclic utilization of waste energy, reduces the loss of fuel, the increasing of thermal efficiency.
An energy-saving hot blast stove control device based on residual energy recycling comprises the energy-saving hot blast stove based on residual energy recycling and a controller, wherein the controller is electrically connected with a combustion device, a heat exchange device and a residual energy recycling device and is used for controlling the working states of the combustion device, the heat exchange device and the residual energy recycling device to realize automatic control of the hot blast stove; and according to the present connection about the internet, through installing the thermoscope and the WIFI sensor that are connected with the controller electricity in this hot-blast furnace to and design corresponding program code on the controller of this hot-blast furnace, but realize this hot-blast furnace automatic temperature control and remote control, reach unmanned on duty, greatly reduced cost of labor, in this embodiment will not explain one by one, design according to current technique can.
The hot blast stove of the embodiment adopts the low-carbon fuel which is recognized by the nation and can use environment-friendly energy: natural gas, fuel oil and biomass particles are preferred, so that the tail gas treatment is not needed, and the national emission standard can be met. The hot blast stove leaves a factory in a fast-assembly mode, and the surface of each device is provided with a cotton rock material wrapped with heat preservation; the working principle is as follows: the high-temperature flue gas emitted by the combustor is mixed with the flue gas at the smoke outlet of the induced draft fan in the combustion cylinder, the flue gas at the outlet firstly releases heat on the first convection heating surface, then enters the second convection heating surface to release heat, further releases heat, then enters the heating surface of the energy saver to reduce the smoke exhaust temperature, and finally is discharged into the atmosphere.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (10)
1. The utility model provides an energy-conserving hot-blast furnace based on complementary energy cyclic utilization which characterized in that: the heat exchanger comprises a first support, wherein a combustion device and a heat exchange device are horizontally arranged on the first support, and the combustion device is communicated with the heat exchange device through a heat transmission pipeline; the combustion device is provided with a second support, the second support is provided with a residual energy recycling device, and the residual energy recycling device is communicated with the heat exchange device and the combustion device through a heat transmission pipeline.
2. The energy-saving hot blast stove based on complementary energy recycling of claim 1, characterized in that: the heat transmission pipeline comprises a first smoke return pipeline, a second smoke return pipeline and a smoke discharge pipeline, and the combustion device is communicated with the heat exchange device through the second smoke return pipeline; one end of the waste energy recycling device is communicated with the combustion device through the first smoke return pipeline, and the other end of the waste energy recycling device is communicated with the heat exchange device through the smoke exhaust pipeline.
3. The energy-saving hot blast stove based on complementary energy recycling of claim 2, characterized in that: the combustion device comprises a combustion cylinder, and a combustor for heating fuel is arranged at one end of the combustion cylinder.
4. The energy-saving hot blast stove based on complementary energy recycling of claim 3, characterized in that: the top of the combustion cylinder is provided with a first smoke return port and a second smoke return port which are communicated with the heat exchange device, the first smoke return port is communicated with the first smoke return pipeline, and the second smoke return port is communicated with the second smoke return pipeline.
5. The energy-saving hot blast stove based on complementary energy recycling of claim 2, characterized in that: the heat exchange device comprises a heat exchange chamber, two ends of the heat exchange chamber are conical end faces, and a blower is installed in the center of one end face.
6. The energy-saving hot blast stove based on complementary energy recycling of claim 5, characterized in that: the heat exchange chamber is respectively provided with a first smoke return pipeline, a second smoke return pipeline, a first smoke return port, a second smoke return port and a smoke exhaust port, wherein the first smoke return port, the second smoke return port and the smoke exhaust port are matched with the smoke exhaust pipeline, and the smoke exhaust port is arranged at the top of the heat exchange chamber.
7. The energy-saving hot blast stove based on complementary energy recycling of claim 5, characterized in that: the heat exchange chamber is internally provided with a first heat exchange unit, a second heat exchange unit and a third heat exchange unit, the first heat exchange unit and the second heat exchange unit are internally provided with a plurality of finned tubes, and the third heat exchange unit is internally provided with an energy-saving tube.
8. The energy-saving hot blast stove based on complementary energy recycling of claim 7, characterized in that: the finned tube has the same diameter as the economizer tube.
9. The energy-saving hot blast stove based on complementary energy recycling of claim 6, characterized in that: the residual energy recycling device comprises an induced draft fan, one end of the induced draft fan is connected to the smoke outlet of the heat exchange chamber, and the other end of the induced draft fan is connected to a first smoke return pipeline communicated with the combustion device.
10. The utility model provides an energy-conserving hot-blast furnace controlling means based on complementary energy cyclic utilization which characterized in that: the energy-saving hot blast stove based on the complementary energy recycling comprises the energy-saving hot blast stove based on the complementary energy recycling of any one of claims 1 to 9 and a controller, wherein the controller is electrically connected with the combustion device, the heat exchange device and the complementary energy recycling device and is used for controlling the working states of the combustion device, the heat exchange device and the complementary energy recycling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122821281.5U CN216204313U (en) | 2021-11-17 | 2021-11-17 | Energy-saving hot blast stove based on complementary energy cyclic utilization and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122821281.5U CN216204313U (en) | 2021-11-17 | 2021-11-17 | Energy-saving hot blast stove based on complementary energy cyclic utilization and control device |
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| Publication Number | Publication Date |
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| CN216204313U true CN216204313U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122821281.5U Active CN216204313U (en) | 2021-11-17 | 2021-11-17 | Energy-saving hot blast stove based on complementary energy cyclic utilization and control device |
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| CN (1) | CN216204313U (en) |
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2021
- 2021-11-17 CN CN202122821281.5U patent/CN216204313U/en active Active
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