CN213873867U - Waste heat recovery device for industrial heating furnace - Google Patents
Waste heat recovery device for industrial heating furnace Download PDFInfo
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- CN213873867U CN213873867U CN202023074292.3U CN202023074292U CN213873867U CN 213873867 U CN213873867 U CN 213873867U CN 202023074292 U CN202023074292 U CN 202023074292U CN 213873867 U CN213873867 U CN 213873867U
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Abstract
The utility model discloses a waste heat recovery device for industrial heating furnace, including the heating furnace, be equipped with the vaporization cooler in the heating furnace, one side intercommunication of heating furnace is connected with the blast pipe, the one end that the blast pipe is close to the heating furnace extends to in the vaporization cooler, the one end intercommunication that the heating furnace was kept away from to the blast pipe is connected on the boiler, the fixed surface of blast pipe is connected with switch valve, be equipped with the boiler inner chamber in the boiler, the top intercommunication of boiler is connected with the hot steam pipe, the hot steam pipe is close to the one end fixedly connected with filter screen in the boiler. The utility model discloses waste heat recovery device for industrial heating stove sets up the evaporative cooler, can prolong blast furnace life to a certain extent, sets up turbo generator, can make turbo generator begin to work in the high temperature steam gets into the install bin, carries out recycle to the heating furnace waste heat to avoid the waste of resource, set up the aspirator, can be with the flue gas suction in the boiler.
Description
Technical Field
The utility model relates to a heating furnace waste heat recovery technical field specifically is a waste heat recovery device for industrial heating furnace.
Background
In the metallurgical industry, a heating furnace is a device (industrial furnace) for heating materials or workpieces (generally metal) to a forging temperature, the heating furnace is applied to various industrial fields such as petroleum, chemical engineering, metallurgy, machinery, heat treatment, surface treatment, building materials, electronics, materials, light industry, daily chemicals, pharmacy and the like, the temperature of flue gas of the heating furnace is generally over 700 ℃, and therefore, the recycling of heat of the flue gas of the heating furnace has important significance for improving the energy utilization rate.
At present, a heating furnace for heating steel billets in a steel rolling mill is provided with a set of vaporization cooling device in the running process, the vaporization cooling device cools internal components of the heating furnace by utilizing the principle of water heat absorption vaporization, saturated steam is generated after water vaporization, only a small part of the saturated steam is used for production and life, and the rest of the saturated steam is discharged, so that great waste is caused. In addition, the high-temperature flue gas with the temperature of about 400 ℃ discharged from the tail of the heating furnace is directly discharged through the chimney without being recycled, thereby causing the waste of resources. Therefore, the waste heat recovery device for the industrial heating furnace is improved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects existing in the prior art, the utility model provides a waste heat recovery device for an industrial heating furnace.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a waste heat recovery device for an industrial heating furnace, which comprises a heating furnace, a vaporization cooler is arranged in the heating furnace, one side of the heating furnace is connected with an exhaust pipe in a communicating manner, one end of the exhaust pipe close to the heating furnace extends into the vaporization cooler, one end of the exhaust pipe far away from the heating furnace is connected with a waste heat boiler in a communicating manner, the surface of the exhaust pipe is fixedly connected with a switch valve, a waste heat boiler inner cavity is arranged in the waste heat boiler, the top of the waste heat boiler is connected with a hot steam pipe in a communicating manner, one end of the hot steam pipe close to the interior of the waste heat boiler is fixedly connected with a filter screen, one end of the hot steam pipe far away from the waste heat boiler is connected with a mounting box in a communicating manner, a turbine generator is arranged in the mounting box, an air aspirator is arranged in the mounting box, and the air suction end of the aspirator is connected with the exhaust pipe in a communicating manner, and one end of the exhaust pipe, which is far away from the air aspirator, is communicated and connected with the waste heat boiler.
As a preferred technical scheme of the utility model, fixedly connected with heating pipe in the exhaust-heat boiler, one side intercommunication of exhaust-heat boiler is connected with the inlet tube, exhaust-heat boiler's bottom fixedly connected with goes out dirty pipe, the fixed surface that goes out dirty pipe is connected with switch valve.
As a preferred technical scheme of the utility model, the end intercommunication of giving vent to anger of aspirator is connected with the blast pipe, the blast pipe is kept away from the one end intercommunication that the aspirator was given vent to anger the end and is connected with the gas cleaning case, the blast pipe intercommunication is connected the one end on the gas cleaning case and is extended to the gas cleaning incasement, the blast pipe extends to the one end intercommunication of gas cleaning incasement and is connected with the aeration pipe.
As the utility model discloses a preferred technical scheme, the bottom is equipped with the pond in the flue gas purification box, the aeration pipe is established in the pond, be provided with a plurality of venthole on the aeration pipe lateral wall, fixedly connected with baffle in the flue gas purification box, the baffle is located the top in pond, one side fixedly connected with install bin of flue gas purification box, the install bin is located and is close to pond one side, install the water pump in the install bin.
As a preferred technical scheme of the utility model, the water sucking mouth intercommunication of water pump is connected with the water pipe, the one end that the water pump was kept away from to the water pipe runs through the flue gas purification case and extends to in the pond, the one end intercommunication that the water pipe extended to in the pond is connected with the filter sleeve, the apopore intercommunication of water pump is connected with the water pipe, the sealed bottom of running through flue gas purification case fixed connection at the baffle of water pipe, the one end bottom intercommunication that the water pipe extended to in the flue gas purification case is connected with several atomizer, the gas outlet has been seted up to one side of baffle.
As a preferred technical scheme of the utility model, ozone generator is installed to one side of pond inner wall, ozone generator's fixed surface is connected with ozone tail gas destroyer, one side intercommunication that ozone generator is close to the pond is connected with the connecting pipe, the connecting pipe runs through the pond and extends to outside the flue gas purification case, the one end intercommunication that the connecting pipe extends to outside the flue gas purification case is connected with hydrogen peroxide and puts in the case, hydrogen peroxide puts in the case and installs in flue gas purification case one side.
As the utility model discloses a preferred technical scheme, fixedly connected with active carbon adsorption net in the flue gas purification case, fixedly connected with glass fiber filter bag in the flue gas purification case, active carbon adsorption net is located glass fiber filter bag below, fixedly connected with ultraviolet ray disinfection lamp in the flue gas purification case, one side fixedly connected with control panel of flue gas purification case.
As a preferred technical scheme of the utility model, the several exhaust hole has been seted up at flue gas purification case's top, flue gas purification case's top fixedly connected with connecting rod, flue gas purification case's one end fixedly connected with visor is kept away from to the connecting rod, one side intercommunication of flue gas purification case is connected with the inlet tube, flue gas purification case's bottom intercommunication is connected with out dirty pipe, the fixed surface who goes out dirty pipe is connected with switch valve.
The utility model has the advantages that: the waste heat recovery device for the industrial heating furnace is provided with the vaporization cooler, the service life of the blast furnace can be prolonged to a certain extent, the turbonator 5 is arranged, high-temperature steam can enter the installation box to enable the turbonator 5 to start working, waste heat of the heating furnace is recycled, waste of resources is avoided, the air aspirator is arranged, smoke in the waste heat boiler can be sucked out and purified, the environment cannot be polluted, the aeration pipe is arranged, impurities in the high-temperature smoke can be precipitated in water and discharged through the sewage discharge pipe, the diameter of a bubble can be reduced, the diameter of a gas-liquid interface is reduced, the area of the gas-liquid interface is large, the bubble diffusion is uniform, eyelet blockage cannot be generated, energy is saved, corrosion resistance is improved, the smoke and water are dissolved, particle impurities carried by the smoke are precipitated, the filter sleeve is arranged, liquid can be filtered, and blockage caused by sucking of the impurities is avoided, the ozone generator is arranged to chemically purify the flue gas, and the ultraviolet disinfection lamp is arranged to disinfect the flue gas so that the discharged gas does not pollute the environment.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a perspective view of a waste heat recovery device for an industrial heating furnace according to the present invention;
FIG. 2 is a schematic structural diagram of a waste heat recovery device for an industrial heating furnace according to the present invention;
fig. 3 is an enlarged view of the atomizer of the waste heat recovery device for the industrial heating furnace.
In the figure: 1. heating furnace; 2. a vaporization cooler; 3. a waste heat boiler; 4. an inner cavity of the waste heat boiler; 5. a steam turbine generator; 6. an aspirator; 7. a flue gas purification box; 8. an aeration pipe; 9. a water pump; 10. a partition plate; 11. a filter sleeve; 12. an atomizing spray head; 13. an activated carbon adsorption net; 14. a glass fiber filter bag; 15. an ultraviolet disinfection lamp; 16. an exhaust hole; 17. a protective cover; 18. an ozone generator.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in figures 1-3, the utility model relates to a waste heat recovery device for an industrial heating furnace, which comprises a heating furnace 1, a vaporization cooler 2 is arranged in the heating furnace 1, one side of the heating furnace 1 is connected with an exhaust pipe, one end of the exhaust pipe close to the heating furnace 1 extends into the vaporization cooler 2, one end of the exhaust pipe far away from the heating furnace 1 is connected with a waste heat boiler 3, the surface of the exhaust pipe is fixedly connected with a switch valve, a waste heat boiler inner cavity 4 is arranged in the waste heat boiler 3, the top of the waste heat boiler 3 is connected with a hot steam pipe, one end of the hot steam pipe close to the waste heat boiler 3 is fixedly connected with a filter screen, one end of the hot steam pipe far away from the waste heat boiler 3 is connected with an installation box, a turbine generator 5 is arranged in the installation box, one side of the waste heat boiler 3 is fixedly connected with an installation box, an aspirator 6 is arranged in the installation box, the air suction end of the aspirator 6 is connected with the exhaust pipe, the one end intercommunication that aspirator 6 was kept away from to the blast pipe is connected on exhaust-heat boiler 3, sets up vaporization cooler 2, can prolong blast furnace life to a certain extent, sets up turbo generator 5, can make high temperature steam make turbo generator 5 begin to work in getting into the install bin, carries out recycle to heating furnace 1 waste heat to the waste of resource has been avoided.
Wherein, fixedly connected with heating pipe in exhaust-heat boiler 3, one side intercommunication of exhaust-heat boiler 3 is connected with the inlet tube, and exhaust-heat boiler 3's bottom fixedly connected with goes out dirty pipe, goes out the fixed surface of dirty pipe and is connected with the switch valve, sets up the heating pipe, can make the heating pipe produce heat and carry out high temperature vaporization to the water in exhaust-heat boiler 3, makes high temperature steam and high temperature flue gas fuse and lets turbo generator 5 begin work.
Wherein, the end intercommunication of giving vent to anger of aspirator 6 is connected with the blast pipe, and the blast pipe is kept away from aspirator 6 and is given vent to anger the one end intercommunication of end and be connected with flue gas purification case 7, and the one end of blast pipe intercommunication connection on flue gas purification case 7 extends to in flue gas purification case 7, and the one end intercommunication that the blast pipe extends to in flue gas purification case 7 is connected with aeration pipe 8, sets up aspirator 6, can be with the flue gas suction in exhaust-heat boiler 3 to purify it, make it can not the polluted environment.
Wherein, the bottom is equipped with the pond in the flue gas purification case 7, aeration pipe 8 is established in the pond, be provided with a plurality of venthole on the aeration pipe 8 lateral wall, fixedly connected with baffle 10 in the flue gas purification case 7, baffle 10 is located the top in pond, one side fixedly connected with install bin of flue gas purification case 7, the install bin is located and is close to pond one side, install water pump 9 in the install bin, set up aeration pipe 8, can make the impurity in the high temperature flue gas deposit in the aquatic, and discharge through the sewer, can make the bubble diameter little, gas-liquid interface diameter is little, gas-liquid interface area is big, the bubble diffusion is even, can not produce the hole blockage, it is more energy-conserving and corrosion-resistant, dissolve flue gas and water, deposit the granule debris that the flue gas carried.
Wherein, the water sucking mouth intercommunication of water pump 9 is connected with the water pipe, the one end that water pump 9 was kept away from to the water pipe runs through in flue gas purification case 7 extends to the pond, the one end intercommunication that the water pipe extends to in the pond is connected with filter sleeve 11, the apopore intercommunication of water pump 9 is connected with the water pipe, the sealed bottom of running through 7 fixed connection of flue gas purification case at baffle 10 of water pipe, the one end bottom intercommunication that the water pipe extends to in flue gas purification case 7 is connected with several atomizer 12, the gas outlet has been seted up to one side of baffle 10, set up filter sleeve 11, can filter liquid, avoid inhaling the debris and lead to the jam.
Wherein, one side of pond inner wall is installed ozone generator 18, and ozone generator 18's fixed surface is connected with ozone tail gas destroyer, and one side intercommunication that ozone generator 18 is close to the pond is connected with the connecting pipe, and the connecting pipe runs through the pond and extends to outside the gas cleaning case 7, and the one end intercommunication that the connecting pipe extends to outside the gas cleaning case 7 is connected with hydrogen peroxide and puts in the case, and hydrogen peroxide puts in the case and installs in gas cleaning case 7 one side, sets up ozone generator 18, can carry out chemical purification to the flue gas.
Wherein, fixedly connected with active carbon adsorption net 13 in the gas cleaning case 7, fixedly connected with glass fiber filter bag 14 in the gas cleaning case 7, active carbon adsorption net 13 is located the glass fiber filter bag 14 below, fixedly connected with ultraviolet ray disinfection lamp 15 in the gas cleaning case 7, one side fixedly connected with control panel of gas cleaning case 7 sets up ultraviolet ray disinfection lamp 15, can disinfect to the flue gas, makes the gas that discharges out can not the polluted environment.
Wherein, several exhaust holes 16 have been seted up at the top of flue gas purification case 7, the top fixedly connected with connecting rod of flue gas purification case 7, the one end fixedly connected with visor 17 of flue gas purification case 7 is kept away from to the connecting rod, one side intercommunication of flue gas purification case 7 is connected with the inlet tube, the bottom intercommunication of flue gas purification case 7 is connected with out dirty pipe, the fixed surface who goes out dirty pipe is connected with switch valve, set up visor 17, can prevent that debris from getting into in flue gas purification case 7 through exhaust holes 16.
The working principle is as follows: when the device is used for recycling the waste heat of an industrial heating furnace, a vaporization cooler 2 is arranged in the heating furnace 1, the waste heat in the heating furnace 1 is vaporized at high temperature, saturated steam formed by the vaporization cooler 2 is conveyed into a waste heat boiler 3 through an exhaust pipe, the saturated steam is fused with the high-temperature steam in the waste heat boiler 3 and enters an installation box together, the steam is used as a power source to drive a turbonator 5 to generate electricity, the smoke is conveyed into a smoke purification box 7 through an aspirator 6 to be purified, the smoke entering the smoke purification box 7 is aerated in water through an aeration pipe 8, the aeration pipe 8 is arranged to enable impurities in the high-temperature smoke to be precipitated in the water and discharged through a sewage discharge pipe, the bubble diameter is small, the gas-liquid interface area is large, the bubbles are uniformly diffused and cannot generate eyelet blockage, more energy-conserving and corrosion-resistant, dissolve the flue gas with the water, deposit the granule debris that the flue gas carried, then the flue gas can rise, is carried out the granule by atomizing gas and fuses, makes the particulate matter in the flue gas deposit in hand, then can rise through the opening of baffle 10, is filtered by activated carbon adsorption net 13 and glass fiber filter bag 14, is disinfected by ultraviolet ray disinfection lamp 15 again, then discharges out through exhaust hole 16.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The waste heat recovery device for the industrial heating furnace comprises a heating furnace (1) and is characterized in that a vaporization cooler (2) is arranged in the heating furnace (1), one side of the heating furnace (1) is connected with an exhaust pipe in a communicating manner, one end, close to the heating furnace (1), of the exhaust pipe extends into the vaporization cooler (2), one end, far away from the heating furnace (1), of the exhaust pipe is connected to a waste heat boiler (3) in a communicating manner, a switch valve is fixedly connected to the surface of the exhaust pipe, a boiler inner cavity (4) is arranged in the waste heat boiler (3), the top of the waste heat boiler (3) is connected with a hot steam pipe in a communicating manner, one end, close to the waste heat boiler (3), of the hot steam pipe is fixedly connected with a filter screen, one end, far away from the waste heat boiler (3), of the hot steam pipe is connected with an installation box in a communicating manner, and a steam turbine generator (5) is arranged in the installation box, one side fixedly connected with mounting box of exhaust-heat boiler (3), install aspirator (6) in the mounting box, the end intercommunication of breathing in of aspirator (6) is connected with the blast pipe, the one end intercommunication that aspirator (6) were kept away from to the blast pipe is connected on exhaust-heat boiler (3).
2. The waste heat recovery device for the industrial heating furnace according to claim 1, wherein a heating pipe is fixedly connected in the waste heat boiler (3), a water inlet pipe is connected to one side of the waste heat boiler (3) in a communication manner, a sewage outlet pipe is fixedly connected to the bottom of the waste heat boiler (3), and a switch valve is fixedly connected to the surface of the sewage outlet pipe.
3. The waste heat recovery device for the industrial heating furnace according to claim 1, wherein an exhaust pipe is connected to the air outlet end of the aspirator (6), a flue gas purification box (7) is connected to one end of the exhaust pipe, which is far away from the air outlet end of the aspirator (6), and the end of the exhaust pipe, which is connected to the flue gas purification box (7), extends into the flue gas purification box (7), and an aeration pipe (8) is connected to one end of the exhaust pipe, which extends into the flue gas purification box (7).
4. The waste heat recovery device for the industrial heating furnace according to claim 3, wherein a water pool is arranged at the bottom in the flue gas purification box (7), the aeration pipe (8) is arranged in the water pool, a plurality of air outlet holes are formed in the side wall of the aeration pipe (8), a partition plate (10) is fixedly connected in the flue gas purification box (7), the partition plate (10) is positioned above the water pool, an installation box is fixedly connected to one side of the flue gas purification box (7), the installation box is positioned at one side close to the water pool, and a water pump (9) is installed in the installation box.
5. The waste heat recovery device for the industrial heating furnace is characterized in that a water suction port of the water pump (9) is connected with a water pipe in a communicating manner, one end of the water pipe, which is far away from the water pump (9), extends into the water tank through the flue gas purification box (7), one end of the water pipe, which extends into the water tank, is connected with a filter sleeve (11) in a communicating manner, a water outlet hole of the water pump (9) is connected with a water pipe in a communicating manner, the water pipe penetrates through the flue gas purification box (7) in a sealing manner and is fixedly connected to the bottom of the partition plate (10), one end of the water pipe, which extends into the flue gas purification box (7), is connected with a plurality of atomizing nozzles (12) in a communicating manner, and an air outlet is formed in one side of the partition plate (10).
6. The waste heat recovery device for the industrial heating furnace according to claim 4, wherein an ozone generator (18) is installed on one side of the inner wall of the water tank, an ozone tail gas destructor is fixedly connected to the surface of the ozone generator (18), a connecting pipe is connected to one side of the ozone generator (18) close to the water tank in a communicating manner, the connecting pipe penetrates through the water tank and extends to the outside of the flue gas purification box (7), one end of the connecting pipe extending to the outside of the flue gas purification box (7) is connected with a hydrogen peroxide feeding box in a communicating manner, and the hydrogen peroxide feeding box is installed on one side of the flue gas purification box (7).
7. The waste heat recovery device for the industrial heating furnace according to claim 3, wherein an activated carbon adsorption net (13) is fixedly connected in the flue gas purification box (7), a glass fiber filter bag (14) is fixedly connected in the flue gas purification box (7), the activated carbon adsorption net (13) is positioned below the glass fiber filter bag (14), an ultraviolet disinfection lamp (15) is fixedly connected in the flue gas purification box (7), and a control panel is fixedly connected to one side of the flue gas purification box (7).
8. The waste heat recovery device for the industrial heating furnace according to claim 3, wherein a plurality of exhaust holes (16) are formed in the top of the flue gas purification box (7), a connecting rod is fixedly connected to the top of the flue gas purification box (7), a protective cover (17) is fixedly connected to one end, away from the flue gas purification box (7), of the connecting rod, a water inlet pipe is connected to one side of the flue gas purification box (7) in a communicating manner, a sewage outlet pipe is connected to the bottom of the flue gas purification box (7) in a communicating manner, and a switch valve is fixedly connected to the surface of the sewage outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023074292.3U CN213873867U (en) | 2020-12-19 | 2020-12-19 | Waste heat recovery device for industrial heating furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023074292.3U CN213873867U (en) | 2020-12-19 | 2020-12-19 | Waste heat recovery device for industrial heating furnace |
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| CN213873867U true CN213873867U (en) | 2021-08-03 |
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| CN202023074292.3U Active CN213873867U (en) | 2020-12-19 | 2020-12-19 | Waste heat recovery device for industrial heating furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993047A (en) * | 2022-07-26 | 2022-09-02 | 合肥合锻智能制造股份有限公司 | Thermal forming heating device |
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2020
- 2020-12-19 CN CN202023074292.3U patent/CN213873867U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993047A (en) * | 2022-07-26 | 2022-09-02 | 合肥合锻智能制造股份有限公司 | Thermal forming heating device |
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