CN212741496U - Flue gas waste heat utilization device of hot galvanizing furnace - Google Patents
Flue gas waste heat utilization device of hot galvanizing furnace Download PDFInfo
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- CN212741496U CN212741496U CN202021735376.4U CN202021735376U CN212741496U CN 212741496 U CN212741496 U CN 212741496U CN 202021735376 U CN202021735376 U CN 202021735376U CN 212741496 U CN212741496 U CN 212741496U
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Abstract
The utility model discloses a hot-galvanize stove flue gas waste heat utilization equipment, including the filtering mechanism that is located hot-galvanize stove one side, the air pot that is located filtering mechanism one side and the boiler that is located air pot one side, the flue of hot-galvanize stove one side has high temperature resistant air pump through first pipe connection, and the high temperature resistant air pump is given vent to anger the end and is opened the mounting hole inner wall that has through second pipe connection at the filtering mechanism one side. The utility model can filter the waste gas in a triple way by using the filtering mechanism, filter the oil and the particulate matters, ensure the use safety of the equipment, avoid causing the equipment to be blocked, further cause the equipment to be damaged and protect the atmospheric environment; through using air tank, boiler and aspiration pump, form triple waste heat utilization and exhaust gas circulation hybrid heating air, can not only heat the hot-galvanize stove, improve the efficiency of production, reduced heat energy loss, and reduced the energy consumption, improved the utilization efficiency of waste gas waste heat greatly, practice thrift manufacturing cost.
Description
Technical Field
The utility model relates to a flue gas waste heat utilization equipment technical field especially relates to hot-galvanize stove flue gas waste heat utilization equipment.
Background
Galvanized steel strip is produced by cold rolling or hot rolling long and narrow steel strip coated with a layer of material called zinc. The hot galvanizing has the advantages of uniform plating, strong adhesive force, long service life and the like. The hot dip galvanized steel pipe matrix and the molten plating solution have complex physical and chemical reactions to form a corrosion-resistant zinc-iron alloy layer with a compact structure. The alloy layer is integrated with the pure zinc layer and the strip steel substrate. Therefore, the corrosion resistance of the strip steel is strong, and a zinc coating with uniform coating and strong adhesive force is formed on the surface of the strip steel through a hot galvanizing process so as to improve the corrosion resistance of the strip steel and further prolong the service life of the strip steel. A plurality of heat sources (such as galvanizing furnace annealing stove etc.) contain higher heat energy in the production process of hot dip galvanized strip steel, with this partial waste gas direct discharge in the atmosphere, not only polluted the environment, and cause the loss of heat energy, and traditional utilization waste heat, through waste gas waste heat heating boiler water, such utilization efficiency is low, and the waste gas after having heated still has very high heat and can recycle, and contain higher grease and particle pollutant in the waste gas and need filter, prevent to block up equipment. Therefore, a new flue gas waste heat utilization device of the hot galvanizing furnace is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a flue gas waste heat utilization device of a hot galvanizing furnace.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the flue on one side of the hot galvanizing furnace is connected with a high-temperature resistant air pump through a first guide pipe, the air outlet end of the high-temperature resistant air pump is connected with the inner wall of a mounting hole formed in one side of the filtering mechanism through a second guide pipe, the filtering mechanism comprises an oil filter screen, an oil collecting pool, a limiting block, a first particle filter screen and a second particle filter screen, the oil filter screen is arranged on the upper side of the oil collecting pool and is connected with the second guide pipe, the limiting block is arranged on the inner walls of the top and the bottom of the filtering mechanism on two sides of the first particle filter screen, the second particle filter screen is connected on one side of the limiting block in a sliding manner, a ceramic heat-conducting plate is arranged in the center of the inner wall of the air tank, and the air tank is divided into an upper air storage chamber and a lower part flue by the ceramic heat-conducting plate, a plurality of ceramic heat conducting sheets are uniformly arranged on the ceramic heat conducting plate and are connected with an upper air storage chamber and a lower flue circulation chamber, an air inlet is arranged at the center of the top of the air tank, and the inner wall of the air inlet is connected with a third conduit, one end of the third conduit is connected with a fan, a metal plate is arranged at the center position of the inner wall of the boiler, the boiler is divided into an upper water storage tank and a lower flue channel by a metal plate, a plurality of metal heat conduction pipes which are uniformly distributed are welded on the metal plate, one side wall of the lower flue channel is connected with an air extracting pump through a metal pipe, and one end of the air pump is connected with the inner wall of an exhaust gas inlet which is arranged on one side wall of the top of the air tank through a metal pipe, one side wall of the air tank far away from the exhaust gas inlet is provided with a mixed gas outlet, and the inner wall of the mixed gas outlet is connected with a first heat-insulating pipe, and one end of the first heat-insulating pipe is connected with the inner wall of the mixed gas inlet formed in the top of the hot galvanizing furnace.
Preferably, the filtering mechanism is provided with a filtering hole at one side of the second particle filtering net, the inner wall of the filtering hole is connected with a hose, and one end of the hose is connected with the inner wall of the fixing opening formed in the outer wall of the lower side of the air tank.
Preferably, the lower flue flow chamber of the air tank is connected with the lower flue channel of the boiler through a second heat preservation pipe.
Preferably, a waste liquid discharge faucet is installed on the outer wall of one side of the bottom of a lower flue channel of the boiler, a cold water inlet pipe and a hot water outlet pipe are respectively installed on the outer walls of two sides of the top of an upper water storage pool of the boiler, and a water changing faucet is installed on the outer wall of one side of the bottom of the upper water storage pool of the boiler.
Preferably, the outer wall of one end of the filtering mechanism is provided with a mounting groove, the inner wall of one side of the mounting groove is hinged with a box door through a hinge, and the oil collecting pool and the inner wall of the bottom of the filtering mechanism form sliding fit.
Preferably, the high temperature resistant air pump, the fan and the air pump are all connected with a switch through wires, the switch is connected with a power supply through wires, and the mesh diameter of the first particle filter screen is larger than that of the second particle filter screen.
The utility model has the advantages that:
1. the waste gas can be filtered in a triple mode by using the filtering mechanism, oil and particulate matters are filtered, the use safety of equipment is guaranteed, the equipment is prevented from being blocked, the equipment is prevented from being damaged, and the atmospheric environment is protected;
2. through using air tank, boiler and aspiration pump, form triple waste heat utilization and exhaust gas circulation hybrid heating air, can not only heat the hot-galvanize stove, improve the efficiency of production, reduced heat energy loss, and reduced the energy consumption, improved the utilization efficiency of waste gas waste heat greatly, practice thrift manufacturing cost.
Drawings
FIG. 1 is a schematic structural view of a flue gas waste heat utilization device of a hot galvanizing furnace provided by the utility model;
FIG. 2 is a schematic structural view of a filtering mechanism of the flue gas waste heat utilization device of the hot galvanizing furnace provided by the utility model;
fig. 3 is a schematic structural diagram of the overlooking of the flue gas waste heat utilization device of the hot galvanizing furnace provided by the utility model.
In the figure: 1 hot galvanizing furnace, 2 high temperature resistant air pump, 3 filtering mechanism, 4 fans, 5 air tanks, 6 ceramic heat conducting plates, 7 ceramic heat conducting plates, 8 boilers, 9 metal plates, 10 metal heat conducting pipes, 11 air pumps, 12 cold water inlet pipes, 13 hot water outlet pipes, 14 waste liquid discharge taps, 15 water change taps, 16 oil filter screens, 17 limiting blocks, 18 oil collecting tanks, 19 first particle filter screens and 20 second particle filter screens.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the flue gas waste heat utilization device of the hot galvanizing furnace comprises a filtering mechanism 3 positioned on one side of a hot galvanizing furnace 1, an air tank 5 positioned on one side of the filtering mechanism 3 and a boiler 8 positioned on one side of the air tank 5, wherein a flue on one side of the hot galvanizing furnace 1 is connected with a high temperature resistant air pump 2 through a first conduit, an air outlet end of the high temperature resistant air pump 2 is connected with an inner wall of a mounting hole formed on one side of the filtering mechanism 3 through a second conduit, the filtering mechanism 3 comprises an oil filtering net 16, an oil collecting tank 18, a limiting block 17, a first particle filtering net 19 and a second particle filtering net 20, the oil filtering net 16 is arranged on the upper side of the oil collecting tank 18, the oil filtering net 16 is connected with the second conduit, the limiting block 17 is arranged on the inner walls of the top and the bottom of the filtering mechanism 3 positioned on two sides of the first particle filtering net 19, oil and particulate matters are filtered, so that the use safety of equipment is guaranteed, the equipment is prevented from being blocked, the equipment is prevented from being damaged, and the atmospheric environment is protected;
the ceramic heat conducting plate 6 is arranged at the center of the inner wall of the air tank 5, the ceramic heat conducting plate 6 divides the air tank 5 into an upper air storage chamber and a lower flue circulation chamber, a plurality of ceramic heat conducting fins 7 are uniformly arranged on the ceramic heat conducting plate 6, the ceramic heat conducting fins 7 are connected with the upper air storage chamber and the lower flue circulation chamber, the center of the top of the air tank 5 is provided with an air inlet, the inner wall of the air inlet is connected with a third guide pipe, one end of the third guide pipe is connected with a fan 4, the center of the inner wall of the boiler 8 is provided with a metal plate 9, the boiler 8 is divided into an upper water storage tank and a lower flue channel by the metal plate 9, the metal plate 9 is welded with a plurality of metal heat conducting pipes 10 which are uniformly distributed, one side wall of the lower flue channel is connected with an air extracting pump 11 through a metal pipe, and one end, a mixed gas outlet is formed in one side wall of the air tank 5, which is far away from the waste gas inlet, the inner wall of the mixed gas outlet is connected with a first heat-preservation pipe, one end of the first heat-preservation pipe is connected with the inner wall of the mixed gas inlet formed in the top of the hot galvanizing furnace 1, a filtering mechanism 3 is provided with a gas filtering hole on one side of the second particle filtering net 20, the inner wall of the gas filtering hole is connected with a hose, one end of the hose is connected with the inner wall of a fixing opening formed in the outer wall of the lower side of the air tank 5, triple waste heat utilization and waste gas circulation mixed heating air is formed by using the air tank, a boiler and an air suction pump, the hot galvanizing furnace can be heated, the production efficiency is improved, the heat energy loss is reduced, the;
the lower part flue circulation room of air pot 5 is connected through the second insulating tube with boiler 8's lower part flue passageway, waste liquid tap 14 is installed to lower part flue passageway bottom one side outer wall of boiler 8, boiler 8's upper portion tank top both sides outer wall is installed respectively and is advanced cold water pipe 12 and play hot water pipe 13, and boiler 8's upper portion tank's bottom one side outer wall is installed and is traded tap 15, 3 one end outer walls of filter mechanism open there is the mounting groove, and mounting groove one side inner wall has the chamber door through hinge joint, oil collecting tank 18 and 3 bottom inner walls of filter mechanism form sliding fit, high temperature resistant air pump 2, fan 4 and aspiration pump 11 all are connected with the switch through the wire, and the switch is connected with the power through the wire, the mesh diameter of first granule filter screen 19 is greater than the mesh diameter of.
The working principle is as follows: flue waste gas is carried filtering mechanism 3 through high temperature resistant air pump 2 and is carried the oil strain and filter the granule, then waste gas gets into in the air tank 5, carry out heat exchange through ceramic conducting strip 7 and ceramic heat-conducting plate 6, heat the air, then the air can be carried and react in the hot-galvanize stove, the initial temperature in the hot-galvanize stove has been improved, remaining waste gas can get into in the boiler 8 through metal heat pipe 10 and metal sheet 9 heat exchange, obtain hot water and utilize, remaining waste gas is being taken back through aspiration pump 11 and is being utilized in air tank 5, the triple effect of cyclic utilization waste gas has been formed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The hot galvanizing furnace flue gas waste heat utilization device comprises a filtering mechanism (3) positioned on one side of a hot galvanizing furnace (1), an air tank (5) positioned on one side of the filtering mechanism (3) and a boiler (8) positioned on one side of the air tank (5), and is characterized in that a flue on one side of the hot galvanizing furnace (1) is connected with a high temperature resistant air pump (2) through a first conduit, an air outlet end of the high temperature resistant air pump (2) is connected with the inner wall of a mounting hole formed in one side of the filtering mechanism (3) through a second conduit, the filtering mechanism (3) comprises an oil filtering screen (16), an oil collecting tank (18), a limiting block (17), a first particle filtering screen (19) and a second particle filtering screen (20), the oil filtering screen (16) is installed on the upper side of the oil collecting tank (18), the oil filtering screen (16) is connected with the second conduit, the limiting block (17) is installed on the inner walls of the top and the bottom of the filtering mechanism (3, the second particle filter screen (20) is connected to one side of the limiting block (17) in a sliding mode, a ceramic heat conducting plate (6) is installed at the center of the inner wall of the air tank (5), the ceramic heat conducting plate (6) divides the air tank (5) into an upper air storage chamber and a lower flue circulation chamber, a plurality of ceramic heat conducting sheets (7) are evenly installed on the ceramic heat conducting plate (6), the ceramic heat conducting sheets (7) are connected with the upper air storage chamber and the lower flue circulation chamber, an air inlet is formed in the center of the top of the air tank (5), a third guide pipe is connected to the inner wall of the air inlet, one end of the third guide pipe is connected with a fan (4), a metal plate (9) is installed at the center of the inner wall of the boiler (8), the boiler (8) is divided into an upper water storage pool and a lower flue channel by the metal plate (9), and a plurality of evenly distributed metal heat conducting, one side wall of the lower flue channel is connected with an air pump (11) through a metal pipe, one end of the air pump (11) is connected with the inner wall of an air inlet opening formed in one side wall of the top of the air tank (5) through a metal pipe, one side wall, away from the air inlet opening, of the air tank (5) is provided with a mixed air outlet, the inner wall of the mixed air outlet is connected with a first heat preservation pipe, and one end of the first heat preservation pipe is connected with the inner wall of the mixed air inlet opening formed in the top of the hot galvanizing furnace (1).
2. The flue gas waste heat utilization device of the hot galvanizing furnace according to claim 1, wherein the filtering mechanism (3) is provided with a gas filtering hole at one side of the second particle filtering net (20), the inner wall of the gas filtering hole is connected with a hose, and one end of the hose is connected with the inner wall of a fixing opening formed in the outer wall of the lower side of the air tank (5).
3. The flue gas waste heat utilization device of the hot galvanizing furnace according to claim 1, wherein a lower flue passage of the air tank (5) is connected with a lower flue passage of the boiler (8) through a second heat preservation pipe.
4. The flue gas waste heat utilization device for the hot galvanizing furnace according to claim 1, wherein a waste liquid discharge faucet (14) is installed on the outer wall of one side of the bottom of a lower flue channel of the boiler (8), a cold water inlet pipe (12) and a hot water outlet pipe (13) are respectively installed on the outer walls of two sides of the top of an upper water storage tank of the boiler (8), and a water changing faucet (15) is installed on the outer wall of one side of the bottom of the upper water storage tank of the boiler (8).
5. The flue gas waste heat utilization device of the hot galvanizing furnace according to claim 1, wherein an installation groove is formed in the outer wall of one end of the filtering mechanism (3), a box door is hinged to the inner wall of one side of the installation groove through a hinge, and the oil collecting tank (18) and the inner wall of the bottom of the filtering mechanism (3) are in sliding fit.
6. The flue gas waste heat utilization device for the hot galvanizing furnace according to claim 1, wherein the high-temperature resistant air pump (2), the fan (4) and the air pump (11) are all connected with a switch through leads, the switch is connected with a power supply through leads, and the diameter of the meshes of the first particle filter screen (19) is larger than that of the meshes of the second particle filter screen (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021735376.4U CN212741496U (en) | 2020-08-19 | 2020-08-19 | Flue gas waste heat utilization device of hot galvanizing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021735376.4U CN212741496U (en) | 2020-08-19 | 2020-08-19 | Flue gas waste heat utilization device of hot galvanizing furnace |
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| Publication Number | Publication Date |
|---|---|
| CN212741496U true CN212741496U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021735376.4U Active CN212741496U (en) | 2020-08-19 | 2020-08-19 | Flue gas waste heat utilization device of hot galvanizing furnace |
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| CN (1) | CN212741496U (en) |
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- 2020-08-19 CN CN202021735376.4U patent/CN212741496U/en active Active
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