CN216688279U - Hot galvanizing waste heat utilization device - Google Patents
Hot galvanizing waste heat utilization device Download PDFInfo
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- CN216688279U CN216688279U CN202220145688.2U CN202220145688U CN216688279U CN 216688279 U CN216688279 U CN 216688279U CN 202220145688 U CN202220145688 U CN 202220145688U CN 216688279 U CN216688279 U CN 216688279U
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Abstract
The utility model provides a hot galvanizing waste heat utilization device, which relates to the technical field of hot galvanizing and comprises a heat exchanger, a galvanizing furnace, a plating assisting pool and a heat energy recovery part, wherein a zinc pot is arranged in the galvanizing furnace, the galvanizing furnace heats the zinc pot through natural gas, one side of the galvanizing furnace is communicated with a high-temperature flue gas pipe, the output end of the high-temperature flue gas pipe is communicated with the air inlet end of the heat exchanger, and the air outlet end of the heat exchanger is communicated with a low-temperature flue gas pipe; the zinc pot is heated by natural gas, the discharged high-temperature and high-heat flue waste gas waste heat is introduced into the heat exchange liquid of the heat exchanger and the heat energy recovery part for heat exchange, then the heated heat exchange liquid is discharged into the secondary heat exchange part to heat the plating assistant agent in the plating assistant tank, then the heat exchange liquid is circularly returned to the heat energy recovery part, and the waste discharged waste heat in the flue is converted into heat energy required by the process through twice heat exchange, so that the process temperature is met, the production efficiency is improved, the working environment is improved, the energy conservation, emission reduction and low-carbon emission are achieved.
Description
Technical Field
The utility model relates to the technical field of hot galvanizing, in particular to a hot galvanizing waste heat utilization device.
Background
The power iron accessories and the photovoltaic solar support are workpieces commonly used in a power system, and in the production of the power iron accessories and the photovoltaic solar support, hot galvanizing needs to be carried out on the surfaces of the power iron accessories and the photovoltaic solar support, and the hot galvanizing is also called hot galvanizing and hot dip galvanizing: the method is an effective metal corrosion prevention mode, is mainly used for metal structure facilities in various industries, and is characterized in that a steel member after rust removal is immersed in molten zinc liquid at about 500 ℃ to enable a zinc layer to be attached to the surface of the steel member, so that the purpose of corrosion prevention is achieved;
in the hot galvanizing process, multiple steps, such as a zinc pot heating step and a plating assistant tank heating step, are required to be heated, in the prior art, the waste heat of smoke generated by combustion of a hot galvanizing boiler cannot be utilized, and the plating assistant solutions in the plating assistant tanks are required to be respectively heated by adopting an electric heating technology, so that the resource is seriously wasted.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides a hot galvanizing waste heat utilization device, which converts waste heat discharged from a flue into heat energy required by a process through twice heat exchange, meets the process temperature, improves the production efficiency, improves the working environment, and achieves the purposes of energy conservation, emission reduction and low carbon emission.
In order to realize the purpose of the utility model, the utility model is realized by the following technical scheme: the hot galvanizing waste heat utilization device comprises a heat exchanger, a galvanizing furnace, a plating assisting pool and a heat energy recovery part, wherein a zinc pot is arranged in the galvanizing furnace, the galvanizing furnace heats the zinc pot through natural gas, one side of the galvanizing furnace is communicated with a high-temperature flue gas pipe, the output end of the high-temperature flue gas pipe is communicated with the air inlet end of the heat exchanger, and the air outlet end of the heat exchanger is communicated with a low-temperature flue gas pipe;
the water outlet end of the heat energy recovery part is communicated with a water inlet pipe, the output end of the water inlet pipe is communicated with the water inlet end of the heat exchanger, the water outlet end of the heat exchanger is communicated with a high-temperature drain pipe, the high-temperature drain pipe extends into the plating assisting pool, the water outlet end of the high-temperature drain pipe is communicated with a low-temperature drain pipe through the secondary heat exchange part, and the water outlet end of the low-temperature drain pipe is communicated with the heat energy recovery part.
The further improvement lies in that: the heat energy recovery part comprises a low-level water tank and a water pump, heat exchange liquid is filled in the low-level water tank, the input end of the water pump is communicated with the low-level water tank, the output end of the water pump is communicated with the water inlet pipe, and the water outlet end of the low-temperature water discharge pipe is communicated with the low-level water tank.
The further improvement lies in that: the secondary heat exchange part is a wave heat exchange pipe, two ends of the wave heat exchange pipe are respectively communicated with the high-temperature drain pipe and the low-temperature drain pipe, and the wave heat exchange pipe is immersed in the plating assistant agent in the plating assistant tank.
The further improvement lies in that: the two ends of the heat exchanger are respectively provided with a water outlet bin and a control bin, the water outlet bin is communicated with the high-temperature drain pipe, and the water inlet pipe extends to the inside of the control bin.
The further improvement is that: the heat exchanger is characterized in that heat exchange tubes are rotatably installed inside the heat exchanger and are arranged in a multi-group mode at equal intervals, spiral heat exchange tubes are arranged on the side walls of the heat exchange tubes in an encircling mode, and the spiral heat exchange tubes are communicated with the heat exchange tubes.
The further improvement lies in that: the left end of heat exchange tube communicates with a water outlet bin through a first seal bearing, the right end of heat exchange tube runs through to the inside of control storehouse, and runs through the department and be equipped with first bearing, the right end of heat exchange tube passes through second seal bearing and inlet tube intercommunication.
The further improvement lies in that: multiunit the right-hand member in the heat exchange tube outside all is equipped with the gear, and multiunit the mutual adaptation of gear, control storehouse top is equipped with the support, and is equipped with the motor on the support, the output of motor runs through to the inside in control storehouse through the second bearing, and the output of motor is equipped with the side gear, side gear and upper end gear looks adaptation.
The utility model has the beneficial effects that:
1. the zinc pot is heated by natural gas, the heat is supplied for heating in the working procedure of a hot galvanizing production line, the waste heat of high-temperature and high-heat flue waste gas which needs to be discharged after the zinc pot is heated by a galvanizing furnace is completely utilized, the flue gas is introduced into the heat exchange liquid of the heat exchanger and the heat energy recovery part for heat exchange, then the heated heat exchange liquid is discharged into the secondary heat exchange part for heating the plating assistant agent in the plating assistant tank, then the heat exchange liquid is circularly returned to the heat energy recovery part, and the waste heat discharged in the flue is converted into heat energy required by the process through twice heat exchange, so that the process temperature is met, the production efficiency is improved, the working environment is improved, the energy conservation and emission reduction are achieved, and the low-carbon emission is realized.
2. When the heat exchanger is used for heat exchange, heat exchange liquid is discharged into the heat exchange tubes and the spiral heat exchange tubes through the water inlet tube, high-temperature flue gas is discharged into the heat exchanger through the high-temperature flue gas tube and contacts with the heat exchange tubes and the spiral heat exchange tubes, the heat exchange area is increased, the heat exchange effect with the heat exchange liquid is improved, meanwhile, the motor is matched to drive the side gear to rotate, the gear is driven to rotate, a plurality of groups of heat exchange tubes are driven to rotate, the heat exchange efficiency is improved conveniently in all directions, and the heat exchange efficiency is further improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the interior of the heat exchanger of the present invention;
fig. 3 is a schematic structural diagram of the position a of the present invention.
Wherein: 1. a heat exchanger; 2. a galvanizing furnace; 3. a plating assisting tank; 4. a zinc pot; 5. a high temperature flue gas pipe; 6. a low temperature flue gas pipe; 7. a water inlet pipe; 8. a high temperature drain pipe; 9. a low temperature drain pipe; 10. a low level water tank; 11. a water pump; 12. a wave heat exchange pipe; 13. a water outlet bin; 14. a control cabin; 15. a heat exchange pipe; 16. a spiral heat exchange tube; 17. a first sealed bearing; 18. a first bearing; 19. a second sealed bearing; 20. a gear; 21. a support; 22. a motor; 23. a second bearing; 24. side gears.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
According to the illustration in fig. 1, the embodiment provides a hot galvanizing waste heat utilization device, which comprises a heat exchanger 1, a galvanizing furnace 2, a plating assisting pool 3 and a heat energy recovery part, wherein a zinc pot 4 is installed inside the galvanizing furnace 2, the galvanizing furnace 2 heats the zinc pot 4 through natural gas, one side of the galvanizing furnace 2 is communicated with a high temperature flue gas pipe 5, the output end of the high temperature flue gas pipe 5 is communicated with the air inlet end of the heat exchanger 1, and the air outlet end of the heat exchanger 1 is communicated with a low temperature flue gas pipe 6;
the water outlet end of the heat energy recovery part is communicated with a water inlet pipe 7, the output end of the water inlet pipe 7 is communicated with the water inlet end of the heat exchanger 1, the water outlet end of the heat exchanger 1 is communicated with a high-temperature drain pipe 8, the high-temperature drain pipe 8 extends into the plating assisting tank 3, the water outlet end of the high-temperature drain pipe 8 is communicated with a low-temperature drain pipe 9 through a secondary heat exchange part, and the water outlet end of the low-temperature drain pipe 9 is communicated with the heat energy recovery part. When the hot galvanizing zinc pot is used, the zinc pot 4 is heated in the zinc plating furnace 2 by natural gas, the hot galvanizing zinc production line is used for heating, high-temperature and high-heat flue waste gas waste heat which needs to be discharged after the zinc pot 4 is heated by the zinc plating furnace 2 is completely utilized, smoke is introduced into the heat exchange liquid of the heat exchanger 1 and the heat energy recovery part through the high-temperature smoke pipe for heat exchange, low-temperature smoke is discharged from the low-temperature smoke pipe 6, the heated heat exchange liquid is discharged into the secondary heat exchange part through the high-temperature drain pipe 8, the plating assistant agent in the plating assistant tank 3 is heated, then the heat exchange liquid is circularly returned to the heat energy recovery part from the low-temperature drain pipe 9, and waste discharged in the flue is converted into heat energy required by the process through twice heat exchange.
The heat energy recovery part comprises a low-level water tank 10 and a water pump 11, heat exchange liquid is filled in the low-level water tank 10, the input end of the water pump 11 is communicated with the low-level water tank 10, the output end of the water pump 11 is communicated with the water inlet pipe 7, and the water outlet end of the low-temperature drain pipe 9 is communicated with the low-level water tank 10. When the device is used, the water pump 11 is started, the heat exchange liquid in the low-level water tank 10 is discharged into the heat exchanger 1 from the water inlet pipe 7, is subjected to heat exchange with high-temperature flue gas, is discharged from the high-temperature drain pipe 8, enters the secondary heat exchange part, heats the plating assistant agent in the plating assistant tank 3, and then circulates back to the low-level water tank 10 from the low-temperature drain pipe 9.
The secondary heat exchange part is a wave heat exchange pipe 12, two ends of the wave heat exchange pipe 12 are respectively communicated with the high-temperature drain pipe 8 and the low-temperature drain pipe 9, and the wave heat exchange pipe 12 is immersed in the plating assistant agent in the plating assistant tank 3. The heat exchange liquid in the low-level water tank 10 is discharged into the heat exchanger 1 from the water inlet pipe 7, is subjected to heat exchange with high-temperature flue gas, is discharged from the high-temperature drain pipe 8, enters the wave heat exchange pipe 12, heats the plating assistant agent in the plating assistant tank 3, and then circulates back to the low-level water tank 10 from the low-temperature drain pipe 9.
Example two
According to the drawings of fig. 1, 2 and 3, the embodiment provides a hot galvanizing waste heat utilization device, which comprises a heat exchanger 1, a galvanizing furnace 2, a plating assisting pool 3 and a heat energy recovery part, wherein a zinc pot 4 is arranged in the galvanizing furnace 2, the galvanizing furnace 2 heats the zinc pot 4 through natural gas, one side of the galvanizing furnace 2 is communicated with a high temperature flue gas pipe 5, the output end of the high temperature flue gas pipe 5 is communicated with the air inlet end of the heat exchanger 1, and the air outlet end of the heat exchanger 1 is communicated with a low temperature flue gas pipe 6;
the water outlet end of the heat energy recovery part is communicated with a water inlet pipe 7, the output end of the water inlet pipe 7 is communicated with the water inlet end of the heat exchanger 1, the water outlet end of the heat exchanger 1 is communicated with a high-temperature drain pipe 8, the high-temperature drain pipe 8 extends into the plating assisting tank 3, the water outlet end of the high-temperature drain pipe 8 is communicated with a low-temperature drain pipe 9 through a secondary heat exchange part, and the water outlet end of the low-temperature drain pipe 9 is communicated with the heat energy recovery part. When the hot galvanizing zinc pot is used, the zinc pot 4 is heated in the zinc plating furnace 2 by natural gas, the hot galvanizing zinc production line is used for heating, high-temperature and high-heat flue waste gas waste heat which needs to be discharged after the zinc pot 4 is heated by the zinc plating furnace 2 is completely utilized, smoke is introduced into the heat exchange liquid of the heat exchanger 1 and the heat energy recovery part through the high-temperature smoke pipe for heat exchange, low-temperature smoke is discharged from the low-temperature smoke pipe 6, the heated heat exchange liquid is discharged into the secondary heat exchange part through the high-temperature drain pipe 8, the plating assistant agent in the plating assistant tank 3 is heated, then the heat exchange liquid is circularly returned to the heat energy recovery part from the low-temperature drain pipe 9, and waste discharged in the flue is converted into heat energy required by the process through twice heat exchange.
And the two ends of the heat exchanger 1 are respectively provided with a water outlet bin 13 and a control bin 14, the water outlet bin 13 is communicated with the high-temperature drain pipe 8, and the water inlet pipe 7 extends to the inside of the control bin 14. Heat exchange tube 15 is installed in the inside rotation of heat exchanger 1, and heat exchange tube 15 equidistance is equipped with the multiunit, it is equipped with spiral heat exchange tube 16 to surround on heat exchange tube 15's the lateral wall, and spiral heat exchange tube 16 and heat exchange tube 15 intercommunication. The left end of the heat exchange tube 15 is communicated with the water outlet bin 13 through a first sealing bearing 17, the right end of the heat exchange tube 15 penetrates through the inside of the control bin 14, a first bearing 18 is arranged at the penetrating position, and the right end of the heat exchange tube 15 is communicated with the water inlet tube 7 through a second sealing bearing 19. When the heat exchange device is used, the water pump 11 is started, the heat exchange liquid in the low-level water tank 10 is discharged into the heat exchange tube 15 and the spiral heat exchange tube 16 from the water inlet tube 7, the high-temperature flue gas is discharged into the heat exchanger 1 from the high-temperature flue gas tube 5 and contacts with the heat exchange tube 15 and the spiral heat exchange tube 16 to increase the heat exchange area, and after heat exchange, the heat exchange liquid is discharged from the high-temperature drain tube 8 and enters the secondary heat exchange part to heat the plating assistant agent in the plating assistant tank 3
Multiunit the right-hand member in the heat exchange tube 15 outside all is equipped with gear 20, and multiunit the mutual adaptation of gear 20, control storehouse 14 top is equipped with support 21, and is equipped with motor 22 on the support 21, motor 22's output runs through to control storehouse 14 inside through second bearing 23, and motor 22's output is equipped with side gear 24, side gear 24 and upper end 20 looks adaptation of gear. The matching motor 22 drives the side gear 24 to rotate so as to drive the gear 20 to rotate and drive the multiple groups of heat exchange tubes 15 to rotate, so that the heat exchange tubes are conveniently heated in all directions and exchange heat, and the heat exchange efficiency is further improved
This hot-galvanize waste heat utilization equipment's zinc pot 4 adopts the natural gas heating, the process heating of hot-galvanize production line is with the heat supply, the high temperature that needs to discharge after heating zinc pot 4 of complete utilization galvanizing furnace 2, the flue waste gas waste heat of high fever, let in the heat transfer liquid heat transfer of heat exchanger 1 and heat recovery portion with the flue gas, then the heat transfer liquid after the heating discharges into secondary heat transfer portion, to the heating of the plating assistant agent in plating assistant pond 3, heat transfer liquid circulation backheat can recovery portion after that, through twice heat exchange, turn into the waste heat of technology demand with the abandonment emission in the flue, satisfy process temperature, the production efficiency is improved, improve operational environment, reach energy saving and emission reduction, low carbon is discharged. When the heat exchanger 1 is used for heat exchange, heat exchange liquid is discharged into the heat exchange tube 15 and the spiral heat exchange tube 16 through the water inlet tube 7, high-temperature flue gas is discharged into the heat exchanger 1 through the high-temperature flue gas tube 5 and contacts the heat exchange tube 15 and the spiral heat exchange tube 16, the heat exchange area is increased, the heat exchange effect of the heat exchange liquid is improved, meanwhile, the motor 22 is matched to drive the side gear 24 to rotate, the gear 20 is driven to rotate, the multiple groups of heat exchange tubes 15 are driven to rotate, all-around heating is facilitated, and the heat exchange efficiency is further improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. Hot galvanizing waste heat utilization equipment, including heat exchanger (1), galvanizing furnace (2), help and plate pond (3) and heat recovery portion, its characterized in that: a zinc pot (4) is arranged in the galvanizing furnace (2), the galvanizing furnace (2) heats the zinc pot (4) through natural gas, one side of the galvanizing furnace (2) is communicated with a high-temperature flue gas pipe (5), the output end of the high-temperature flue gas pipe (5) is communicated with the air inlet end of the heat exchanger (1), and the air outlet end of the heat exchanger (1) is communicated with a low-temperature flue gas pipe (6);
the water outlet end of the heat energy recovery part is communicated with a water inlet pipe (7), the output end of the water inlet pipe (7) is communicated with the water inlet end of the heat exchanger (1), the water outlet end of the heat exchanger (1) is communicated with a high-temperature drain pipe (8), the high-temperature drain pipe (8) extends into the plating assisting pool (3), the water outlet end of the high-temperature drain pipe (8) is communicated with a low-temperature drain pipe (9) through a secondary heat exchange part, and the water outlet end of the low-temperature drain pipe (9) is communicated with the heat energy recovery part.
2. The hot galvanizing waste heat utilization device according to claim 1, characterized in that: the heat energy recovery part comprises a low-level water tank (10) and a water pump (11), heat exchange liquid is filled in the low-level water tank (10), the input end of the water pump (11) is communicated with the low-level water tank (10), the output end of the water pump (11) is communicated with the water inlet pipe (7), and the water outlet end of the low-temperature drain pipe (9) is communicated with the low-level water tank (10).
3. The hot galvanizing waste heat utilization device according to claim 1, characterized in that: the secondary heat exchange part is a wave heat exchange pipe (12), two ends of the wave heat exchange pipe (12) are respectively communicated with the high-temperature drain pipe (8) and the low-temperature drain pipe (9), and the wave heat exchange pipe (12) is immersed in the plating assistant agent in the plating assistant tank (3).
4. A hot dip galvanizing waste heat utilization apparatus according to any one of claims 1 to 3, characterized in that: the two ends of the heat exchanger (1) are respectively provided with a water outlet bin (13) and a control bin (14), the water outlet bin (13) is communicated with the high-temperature drain pipe (8), and the water inlet pipe (7) extends to the inside of the control bin (14).
5. The hot galvanizing waste heat utilization device according to claim 4, characterized in that: the heat exchange tube (15) is installed in the inside rotation of heat exchanger (1), and heat exchange tube (15) equidistance is equipped with the multiunit, around being equipped with spiral heat exchange tube (16) on the lateral wall of heat exchange tube (15), and spiral heat exchange tube (16) and heat exchange tube (15) intercommunication.
6. The hot galvanizing waste heat utilization device according to claim 5, characterized in that: the left end of heat exchange tube (15) passes through first sealed bearing (17) and goes out sump (13) intercommunication, the right-hand member of heat exchange tube (15) runs through to control storehouse (14) inside, and runs through the department and be equipped with first bearing (18), the right-hand member of heat exchange tube (15) passes through second sealed bearing (19) and inlet tube (7) intercommunication.
7. The hot galvanizing waste heat utilization device according to claim 6, characterized in that: multiunit the right-hand member in heat exchange tube (15) outside all is equipped with gear (20), and multiunit gear (20) mutual adaptation, control storehouse (14) top is equipped with support (21), and is equipped with motor (22) on support (21), the output of motor (22) runs through to the inside in control storehouse (14) through second bearing (23), and the output of motor (22) is equipped with side gear (24), side gear (24) and upper end gear (20) looks adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220145688.2U CN216688279U (en) | 2022-01-19 | 2022-01-19 | Hot galvanizing waste heat utilization device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220145688.2U CN216688279U (en) | 2022-01-19 | 2022-01-19 | Hot galvanizing waste heat utilization device |
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| CN216688279U true CN216688279U (en) | 2022-06-07 |
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| CN202220145688.2U Active CN216688279U (en) | 2022-01-19 | 2022-01-19 | Hot galvanizing waste heat utilization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115125467A (en) * | 2022-07-12 | 2022-09-30 | 辛集市澳森金属制品有限公司 | Zinc-plating economizer system of utilizing waste heat heating |
-
2022
- 2022-01-19 CN CN202220145688.2U patent/CN216688279U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115125467A (en) * | 2022-07-12 | 2022-09-30 | 辛集市澳森金属制品有限公司 | Zinc-plating economizer system of utilizing waste heat heating |
| CN115125467B (en) * | 2022-07-12 | 2023-11-28 | 辛集市澳森金属制品有限公司 | Zinc-plating economizer system of utilization waste heat heating |
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