Energy-saving zinc pot heating furnace

Abstract

The utility model relates to the technical field of zinc pot heating furnaces, in particular to an energy-saving type zinc pot heating furnace which comprises a refractory brick heat insulation shell, a zinc pot body, a heat circulation recovery assembly, a heat uniform distribution assembly, an air cylinder, a heating furnace sealing cover, a smoke outlet and an ignition opening. A zinc pot body is arranged in the refractory brick heat insulation shell; a heat recycling assembly is arranged outside the zinc pot body; a heat uniform distribution assembly is arranged in the zinc pot body; a cylinder is mounted at the side end part of the refractory brick heat-insulating shell; the output end of the cylinder is fixedly connected with a heating furnace sealing cover; a smoke outlet is formed in the upper end part of the heating furnace sealing cover; an ignition opening is formed in the outer end part of the zinc pot body. According to the utility model, the heat conduction sleeve is matched with the external heat insulation and heat preservation cylinder, so that the heat can be locked and prevented from losing, and is matched with the spiral air guide groove in the inner wall of the external heat insulation and heat preservation cylinder; and the air blower is used for exhausting air heated by the outer side of the zinc pot body upwards, so that subsequent heat conversion and collection are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to zinc pot heating furnace technical field especially relates to an energy -saving zinc pot heating furnace. BACKGROUND

[0002] With the demand of high quality galvanized product in the field of building, car, machinery manufacturing etc. increasing, the demand of zinc pot heating furnace also continues to rise, in order to improve production efficiency and product quality, enterprises need to update and upgrade old heating furnace equipment.

[0003] The existing zinc pot heating furnace when using, the energy consumption of combustion is higher, a large amount of heat in the furnace will be discharged with flue gas when heating, the heat of discharge cannot be effectively collected and reused, increases the energy consumption and production cost.

[0004] Therefore, it is urgent to set up a structure for collecting the heat discharged from the heating furnace, so that the heat in the discharged flue gas can be treated and re-enter the heating furnace, improve the heat utilization rate, solve the problem of high energy consumption and high production cost. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem of high energy consumption of zinc pot heating furnace in the process of using, a large amount of heat in the furnace will be discharged with flue gas when heating, the heat of discharge cannot be effectively collected and reused, increases the energy consumption and production cost.

[0006] The utility model discloses a kind of energy-saving zinc pot heating furnaces, including refractory brick heat insulation shell, zinc pot body, heat recycling assembly, heat uniform distribution assembly, air cylinder, heating furnace sealing cover, smoke outlet and ignition port;Refractory brick heat insulation shell is provided with zinc pot body inside;Zinc pot body is provided with heat recycling assembly outside;Zinc pot body is provided with heat uniform distribution assembly inside;Refractory brick heat insulation shell side end is equipped with air cylinder;The output end of air cylinder is fixedly connected with heating furnace sealing cover;Heating furnace sealing cover upper end is equipped with smoke outlet;Zinc pot body outer end is provided with ignition port;Heat recycling assembly includes heat conducting sleeve, external heat insulation cylinder, spiral air guide groove;Zinc pot body outer side end is equipped with heat conducting sleeve;Heat conducting sleeve outer end is equipped with external heat insulation cylinder;Spiral air guide groove is formed in the inner wall of external heat insulation cylinder.

[0007] Preferably, during the use of the heating furnace, the heat-conducting sleeve in the heat recycling assembly matches the external heat insulation cylinder to lock heat and prevent heat loss, and the spiral air guide groove on the inner wall of the external heat insulation cylinder; the heated air is discharged upward by the air blower, and the heat generated inside the zinc pot body during combustion is also discharged upward, water is injected into the bent pipe type water storage pipe below the heating furnace sealing cover, the hot gas below the heating furnace sealing cover boils the water in the water storage pipe, and high-temperature steam is generated, the heat is transmitted to the hot gas heat-conducting bottom plate through the hot steam conducting pipe and the pipe sleeve, and the water vapor evaporation heater can reduce the water content in the hot steam, so that the hot gas is heated to a high temperature, the zinc pot body below is heated, the heat utilization rate is improved, and the number of ignition ports can be reduced; the motor drives the second transmission shaft to rotate in the heat uniform distribution assembly, so that the driven bevel gear also rotates, and the driven bevel gear drives the first transmission shaft below to rotate, so that the stirring rod inside can be stirred, and the recycled heat and the heat heated through the ignition port can be more evenly distributed.

[0008] Preferably, the heat recycling assembly further comprises an air blower, an air outlet on the upper end of the air guide groove, a bent pipe type water storage pipe, a hot steam conducting pipe, a pipe sleeve, a water vapor evaporation heater and a hot gas heat-conducting bottom plate; the air blower is installed at the bottom end of the refractory brick heat insulation shell, and the air blower can inject cold air into the spiral air guide groove, so that the hot air generated after circulating around the zinc pot body can be discharged upward.

[0009] Preferably, the output end of the air blower is connected to the spiral air guide groove; the upper end of the spiral air guide groove is provided with an air outlet; the lower end of the heating furnace sealing cover is provided with a bent pipe type water storage pipe, and the bent pipe type water storage pipe can be filled with water, and the hot gas below can boil the water in the bent pipe type water storage pipe.

[0010] Preferably, the upper end of the bent pipe type water storage pipe is fixedly connected with a hot steam conducting pipe; the outer end of the hot steam conducting pipe is slidably connected with a pipe sleeve, and the hot steam conducting pipe can move in the pipe sleeve, so that the hot steam conducting pipe can remain connected when the heating furnace sealing cover is lifted.

[0011] Preferably, the pipe sleeve is provided with a water vapor evaporation heater; the lower end of the pipe sleeve is connected with a hot gas heat-conducting bottom plate, and the water vapor evaporation heater can reduce the water vapor in the steam to obtain relatively dry hot steam.

[0012] As preferred, the heat uniform distribution assembly comprises an internal support plate, a first transmission shaft, a driven bevel gear, a stirring rod, a motor, a second transmission shaft and a driving bevel gear; the internal support plate is fixedly connected to the inner wall of the zinc pot body; the first transmission shaft is rotatably arranged in the internal support plate; the upper end of the first transmission shaft is fixedly connected with the driven bevel gear; the outer end of the first transmission shaft is fixedly connected with the stirring rod; the driven bevel gear can rotate the first transmission shaft to drive the stirring rod to rotate, so that the recovered heat can be uniformly dispersed to avoid heat accumulation in a certain place.

[0013] As preferred, the motor is installed at the side end of the firebrick heat insulation shell; the output shaft of the motor is fixedly connected with the second transmission shaft through the firebrick heat insulation shell; the side end of the second transmission shaft is fixedly connected with the driving bevel gear; the driving bevel gear and the driven bevel gear are engaged, and the driving bevel gear can drive the driven bevel gear to rotate through mechanical transmission.

[0014] The utility model discloses a beneficial effect:

[0015] 1, in the zinc pot heating furnace use process, the heat conduction sleeve cooperates the external heat insulation cylinder and can play the role of locking the heat and avoiding the loss, and cooperates the spiral air guide groove on the inner wall of the external heat insulation cylinder again, air heated by the zinc pot body is discharged upwards by the air blower, and subsequent heat conversion and collection are facilitated.

[0016] 2, the heat generated in the zinc pot body during combustion is also discharged upwards, water is injected into the elbow type water storage pipe below the heating furnace sealing cover, the hot gas below the zinc pot body boils the water in the water storage pipe to generate high-temperature steam, the heat is transmitted to the hot gas heat conduction bottom plate through the hot steam conduction pipeline and the pipeline sleeve, the water content in the hot steam is reduced by the water vapor evaporation heater, the hot gas at high temperature is obtained, the zinc pot body below is heated, the heat utilization rate is improved, and the number of ignition openings can be reduced.

[0017] 3, the motor in the heat uniform distribution assembly drives the second transmission shaft to rotate, the driven bevel gear also rotates, and the driven bevel gear is driven to rotate under the mechanical transmission, the first transmission shaft below rotates, and the internal stirring rod can be stirred, so that the recovered heat and the heat heated through the ignition opening can be more uniformly distributed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model discloses a zinc pot heating furnace's three -dimensional structure schematic diagram is shown.

[0019] Figure 2 The utility model discloses a zinc pot heating furnace's spiral air guide groove three -dimensional structure schematic diagram is shown.

[0020] Figure 3The zinc pot heating furnace of the utility model is shown as a three-dimensional structure schematic diagram of a hot gas heat conduction bottom plate.

[0021] Figure 4 The zinc pot heating furnace of the utility model is shown as a three-dimensional structure schematic diagram of a bent pipe type water storage pipe.

[0022] Figure 5 The zinc pot heating furnace of the utility model is shown as a three-dimensional structure schematic diagram of a stirring rod.

[0023] The figure mark explanation: 1, firebrick heat insulation shell, 2, zinc pot body, 3, air cylinder, 4, heating furnace sealing cover, 5, smoke outlet, 6, ignition port, 701, heat conduction sleeve, 702, external heat insulation cylinder, 703, spiral air guide groove, 704, air blower, 705, air guide groove upper end air outlet, 706, bent pipe type water storage pipe, 707, hot steam conduction pipeline, 708, pipeline sleeve, 709, water vapor evaporation heater, 710, hot gas heat conduction bottom plate, 801, internal support plate, 802, first transmission shaft, 803, driven bevel gear, 804, stirring rod, 805, motor, 806, second transmission shaft, 807, driving bevel gear. DETAILED DESCRIPTION

[0024] The utility model is further explained in connection with the drawings and examples.

[0025] Please refer to Figures 1-5 The utility model provides a kind of example: a kind of energy-saving zinc pot heating furnace, including firebrick heat insulation shell 1, zinc pot body 2, heat circulation recycling component, heat uniform distribution component, air cylinder 3, heating furnace sealing cover 4, smoke outlet 5 and ignition port 6;Firebrick heat insulation shell 1 inside is provided with zinc pot body 2;Zinc pot body 2 outside is provided with heat circulation recycling component;Zinc pot body 2 inside is provided with heat uniform distribution component;Firebrick heat insulation shell 1 side end portion is equipped with air cylinder 3;The output end of air cylinder 3 is fixedly connected with heating furnace sealing cover 4;Heating furnace sealing cover 4 upper end portion is equipped with smoke outlet 5;Zinc pot body 2 outer end portion is equipped with ignition port 6;Heat circulation recycling component includes heat conduction sleeve 701, external heat insulation cylinder 702, spiral air guide groove 703;Zinc pot body 2 outer side end is equipped with heat conduction sleeve 701;Heat conduction sleeve 701 outer end portion is equipped with external heat insulation cylinder 702;Spiral air guide groove 703 is formed in the inner wall of external heat insulation cylinder 702.

[0026] Please refer to Figures 2-4In the embodiment, the heat recycling assembly further comprises a blower 704, an air outlet 705, a curved water storage pipe 706, a steam conducting pipe 707, a pipe sleeve 708, a water vapor evaporator 709, and a hot air conducting bottom plate 710. The blower 704 is installed at the bottom end of the refractory brick heat insulation shell 1. The blower 704 can inject cold air into the spiral air duct 703, so that the hot air generated after the spiral air duct 703 surrounds the zinc pot body 2 can be discharged upward. The output end of the blower 704 is connected to the spiral air duct 703. The air outlet 705 is arranged at the upper end of the spiral air duct 703. The curved water storage pipe 706 is arranged at the lower end of the heating furnace sealing cover 4. Water can be injected into the curved water storage pipe 706. The hot air below can make the water in the curved water storage pipe 706 boil. The hot steam generated by boiling can be collected. The steam conducting pipe 707 is fixedly connected to the upper end of the curved water storage pipe 706. The steam conducting pipe 707 can move in the pipe sleeve 708. When the heating furnace sealing cover 4 is lifted, the steam conducting pipe 707 can remain connected. The water vapor evaporator 709 is arranged in the pipe sleeve 708. The water vapor evaporator 709 can reduce the water vapor in the steam, so that relatively dry hot steam is obtained.

[0027] Please refer to Figure 5 In the embodiment, the heat uniform distribution assembly comprises an internal support plate 801, a first transmission shaft 802, a driven bevel gear 803, a stirring rod 804, a motor 805, a second transmission shaft 806, and a driving bevel gear 807. The internal support plate 801 is fixedly connected to the inner wall of the zinc pot body 2. The first transmission shaft 802 is rotatably arranged in the internal support plate 801. The upper end of the first transmission shaft 802 is fixedly connected with the driven bevel gear 803. The outer end of the first transmission shaft 802 is fixedly connected with the stirring rod 804. The driven bevel gear 803 can rotate the first transmission shaft 802, so as to drive the stirring rod 804 to rotate, so that the recycled heat can be uniformly dispersed, and the heat is prevented from being concentrated in a certain place. The motor 805 is installed at the side end of the refractory brick heat insulation shell 1. The output shaft of the motor 805 is fixedly connected with the second transmission shaft 806 through the refractory brick heat insulation shell 1. The side end of the second transmission shaft 806 is fixedly connected with the driving bevel gear 807. The driving bevel gear 807 and the driven bevel gear 803 are engaged. The driving bevel gear 807 can drive the driven bevel gear 803 to rotate through mechanical transmission.

[0028] In the working process, firstly, the heat sleeve 701 cooperates with the external heat insulation cylinder 702 to lock the heat and avoid heat loss, and cooperates with the spiral air guide groove 703 on the inner wall of the external heat insulation cylinder 702; the air heated by the zinc pot body 2 outside is discharged upwards by the air blower 704, so as to facilitate subsequent heat conversion and collection, and the heat generated in the zinc pot body 2 during combustion is also discharged upwards, water is injected into the elbow type water storage pipe 706 below the heating furnace sealing cover 4, the hot gas discharged below boils the water in the elbow type water storage pipe 706, high-temperature steam is generated, the heat is transmitted to the hot gas heat conduction bottom plate 710 through the hot steam conduction pipeline 707 and the pipeline sleeve 708, the water content in the hot steam is reduced by the water vapor evaporator 709, high-temperature hot gas is obtained, the zinc pot body 2 below is heated, the heat utilization rate is improved, and the number of ignition openings 6 can be reduced.

[0029] Finally, the motor 805 in the heat uniform distribution assembly drives the second transmission shaft rod 806 to rotate, so that the driven bevel gear 803 also rotates, and under the transmission of mechanical force, the driven bevel gear 803 drives the first transmission shaft rod 802 below to rotate, so that the stirring rod 804 inside can be stirred, and the recovered heat and the heat heated by the ignition opening 6 can be more uniformly distributed.

[0030] Through the above steps, the heat loss can be greatly reduced, a large amount of heat energy that would be lost is recovered and reused, the energy consumption and production cost are reduced, the heat sleeve 701 cooperates with the external heat insulation cylinder 702 to lock the heat and avoid heat loss, and cooperates with the spiral air guide groove 703 on the inner wall of the external heat insulation cylinder 702; the air heated by the zinc pot body 2 outside is discharged upwards by the air blower 704, so as to facilitate subsequent heat conversion and collection.

[0031] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the purpose of the utility model.

Claims

1. An energy-saving zinc pot heating furnace comprising a refractory brick heat-insulating outer shell (1); characterized in that: The zinc pot body (2), the heat recycling assembly, the heat uniform distribution assembly, the air cylinder (3), the heating furnace sealing cover (4), the smoke outlet (5) and the ignition port (6) are further included; the zinc pot body (2) is arranged in the refractory brick heat insulation shell (1); the zinc pot body (2) is externally provided with the heat recycling assembly; the zinc pot body (2) is internally provided with the heat uniform distribution assembly; the refractory brick heat insulation shell (1) is provided with the air cylinder (3) at the side end; the output end of the air cylinder (3) is fixedly connected with the heating furnace sealing cover (4); the upper end of the heating furnace sealing cover (4) is provided with the smoke outlet (5); the outer end of the zinc pot body (2) is provided with the ignition port (6); the heat recycling assembly comprises a heat conduction sleeve (701), an external heat insulation cylinder (702) and a spiral air guide groove (703); the zinc pot body (2) is sleeved with the heat conduction sleeve (701) at the outer side; the outer end of the heat conduction sleeve (701) is sleeved with the external heat insulation cylinder (702); the internal wall of the external heat insulation cylinder (702) is provided with the spiral air guide groove (703).

2. The energy-saving zinc pot heating furnace according to claim 1, characterized in that: The heat recycling assembly further comprises a blower (704), an air guide groove upper end air outlet (705), a bent pipe type water storage pipe (706), a hot steam conduction pipeline (707), a pipeline sleeve (708), a water vapor evaporation heater (709) and a hot gas heat conduction bottom plate (710); the refractory brick heat insulation shell (1) is provided with the blower (704) at the bottom end.

3. The energy-saving zinc pot heating furnace according to claim 2, characterized in that: The output end of the blower (704) is connected with the spiral air guide groove (703) through a pipeline; the upper end of the spiral air guide groove (703) is provided with the air guide groove upper end air outlet (705); the lower end of the heating furnace sealing cover (4) is provided with the bent pipe type water storage pipe (706).

4. The energy-saving zinc pot heating furnace according to claim 3, characterized in that: The upper end of the bent pipe type water storage pipe (706) is fixedly connected with the hot steam conduction pipeline (707); the outer end of the hot steam conduction pipeline (707) is slidably connected with the pipeline sleeve (708).

5. The energy-saving zinc pot heating furnace according to claim 4, characterized in that: The pipeline sleeve (708) is internally provided with the water vapor evaporation heater (709); the lower end of the pipeline sleeve (708) is connected with the hot gas heat conduction bottom plate (710) through a pipeline.

6. The energy-saving zinc pot heating furnace according to claim 1, characterized in that: The heat uniform distribution assembly comprises an internal support plate (801), a first transmission shaft (802), a driven bevel gear (803), a stirring rod (804), a motor (805), a second transmission shaft (806) and a driving bevel gear (807); the internal support plate (801) is fixedly connected to the inner wall of the zinc pot body (2); the first transmission shaft (802) is rotatably arranged in the internal support plate (801); the upper end of the first transmission shaft (802) is fixedly connected with the driven bevel gear (803); the outer end of the first transmission shaft (802) is fixedly connected with the stirring rod (804).

7. The energy-saving zinc pot heating furnace according to claim 6, characterized in that: The motor (805) is mounted at the side end of the refractory brick heat insulation shell (1); the output shaft of the motor (805) is fixedly connected with the second transmission shaft (806) through the refractory brick heat insulation shell (1); the side end of the second transmission shaft (806) is fixedly connected with the driving bevel gear (807); the driving bevel gear (807) and the driven bevel gear (803) are engaged.

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