CN214193408U

CN214193408U - Closed hot dipping zinc stove

Info

Publication number: CN214193408U
Application number: CN202022592933.8U
Authority: CN
Inventors: 张金发
Original assignee: Jiaxing Hengrui Metal Technology Co ltd
Current assignee: Jiaxing Hengrui Metal Technology Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-09-14
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a closed hot dipping zinc furnace, which comprises a furnace body, a zinc dipping pot, a sealing ring, heat dissipation holes, a pot cover, a cavity, an exhaust pipe, a plugging rod, an exhaust duct, a clamping block, a sealing lug, a sealing groove, a first heat preservation layer, a second heat preservation layer, a steel mesh, a hook, a lifting rod, an exhaust hole, a combustion port, a gas stove, a gas pipe, a cylinder, a combustion chamber, an air vent and a supporting leg, wherein the combustion chamber is arranged at the inner side of the upper part of the furnace body, the zinc dipping pot is arranged at the inner side of the combustion chamber, the upper end of the zinc dipping pot is flush with the upper end of the furnace body, the sealing ring is arranged between the outer side of the pot port of the zinc dipping pot and the top end of the combustion chamber in a sealing way, a plurality of heat dissipation holes are arranged on the sealing ring, the pot cover is arranged at the top of the furnace body, the cavity is arranged inside of the pot cover, compared with the prior art, the efficiency and the effect of workpiece zinc dipping can be obviously improved, the energy consumption is reduced, and the device brings great convenience for the zinc dipping processing of the workpiece, is convenient to use and popularize and apply.

Description

Closed hot dipping zinc stove

Technical Field

The utility model relates to the technical field of workpiece galvanizing processing, in particular to a closed hot-dip galvanizing furnace.

Background

In order to improve the corrosion resistance of medium and small workpieces, the medium and small workpieces are usually subjected to zinc dipping treatment, and the surfaces of the workpieces are covered with a layer of metal zinc. In the field of medium and small workpieces, such as pipe joints, bolts, nuts and elbows, the demand for high-quality zinc dipping is continuously increased. When zinc is immersed, alkaline liquid is firstly used for carrying out alkaline washing on the workpiece, and then the alkaline liquid on the surface of the workpiece is washed away by clear water; then, acid liquid is used for pickling the workpiece, and the acid liquid adhered to the surface of the workpiece is washed away by clean water; then dip-coating the surface of the workpiece with an ammonium chloride plating assistant agent, drying, and then, enabling the workpiece to pass through a zinc pot in which zinc liquid is melted, and carrying out zinc dipping on the workpiece.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provide a closed hot-dip zinc furnace.

In order to achieve the purpose, the utility model provides a closed hot-dip zinc furnace, which comprises a furnace body, a zinc dipping pot, a sealing ring, heat dissipation holes, a pot cover, a cavity, an exhaust pipe, a plugging rod, an exhaust groove, a clamping block, a sealing lug, a sealing groove, a first heat preservation layer, a second heat preservation layer, a steel mesh, a hook, a lifting rod, an exhaust hole, a combustion port, a gas stove, a gas pipe, a cylinder, a combustion chamber, an air vent and a supporting leg, wherein the combustion chamber is arranged at the inner side of the upper part of the furnace body, the zinc dipping pot is arranged at the inner side of the combustion chamber, the upper end of the zinc dipping pot is flush with the upper end of the furnace body, the sealing ring is arranged between the outer side of the pot port of the zinc dipping pot and the top end of the combustion chamber in a sealing way, a plurality of the heat dissipation holes are arranged on the top of the furnace, the air vent is communicated with the cavity, the exhaust pipe which is vertically arranged is arranged in the middle of the pot cover, the connecting part of the exhaust pipe and the pot cover is designed in a sealing way, the upper end of the exhaust pipe is communicated with the outer side of the pot cover, the lower end of the exhaust pipe is communicated with the zinc dipping pot, the exhaust pipe is internally provided with a plugging rod in a sliding way, the lateral part of the plugging rod is provided with a plurality of vertically arranged exhaust grooves, the upper end and the lower end of the plugging rod are both fixedly provided with clamping blocks, the upper part of the sealing ring is integrally provided with a plurality of annular sealing convex blocks, the bottom of the pot cover is provided with a plurality of sealing grooves matched with the sealing convex blocks, the sealing convex blocks are correspondingly clamped in the sealing grooves, the inner wall of the combustion chamber is provided with a first heat preservation layer, the inner wall of the cavity is provided with a second heat preservation layer, the inner part of the zinc dipping pot is provided with a steel mesh, and the bottom of the pot cover is fixedly provided with a plurality of hooks, the fixed pull rod that is equipped with a plurality of and couple matched with in upper end of steel mesh, the pull rod corresponds to hang and establishes in the hook of couple, a plurality ofly seted up at the top of pot cover with the communicating exhaust hole of cavity, the lower side portion of furnace body seted up with the communicating burner port of combustion chamber, the inside of combustion chamber is located and soaks the zinc pot and is equipped with the gas-cooker under, the bottom of furnace body is equipped with the gas pipe, the end of giving vent to anger of gas pipe is linked together with the gas-cooker, the fixed cylinder that upwards sets up of output shaft that is equipped with of lateral part of furnace body, the output shaft and the pot cover fixed connection of cylinder, the fixed supporting leg that is equipped with a.

Preferably, the furnace body is externally provided with a heat insulation layer.

Preferably, the length of the exhaust groove is greater than that of the exhaust pipe, and the length of the exhaust groove is less than that of the exhaust plugging rod.

Preferably, the steel mesh is formed by welding steel wires, and the mesh width of the steel mesh is 3-5 mm.

Preferably, the lifting rod is designed in an inverted V shape.

Preferably, a cover plate which is rotatably connected with the furnace body is arranged on the side part of the combustion port.

The utility model has the advantages that: the utility model is provided with a pot cover at the top of the furnace body, a vertically arranged exhaust pipe is arranged in the middle of the pot cover, the connecting part of the exhaust pipe and the pot cover is designed in a sealing way, a plugging rod is arranged in the exhaust pipe in a sliding way, a plurality of vertically arranged exhaust grooves are arranged at the side part of the plugging rod, the upper end and the lower end of the plugging rod are both fixedly provided with a fixture block, when the zinc liquid in the zinc dipping pot is heated, the heat in the zinc dipping pot is blocked by the pot cover and can not easily run off, when the pressure in the zinc dipping pot is gradually increased, the gas in the zinc dipping pot can push the plugging rod to slide upwards along the exhaust pipe, when the upper end of the exhaust groove is communicated with the outside, the pressure of the zinc dipping pot can be released, the unnecessary heat loss in the zinc dipping pot is avoided, because a cavity is arranged in the pot cover, a plurality of heat dissipation holes are arranged on the sealing, the top of the pot cover is provided with a plurality of exhaust holes communicated with the cavity, when gas in the combustion chamber is combusted, hot gas in the combustion chamber can enter the exhaust holes through the heat dissipation holes and then enter the cavity through the exhaust holes to heat the pot cover, the heat insulation performance of the pot cover is further improved, as a plurality of annular sealing convex blocks are integrally arranged at the upper part of the sealing ring, a plurality of sealing grooves matched with the sealing convex blocks are arranged at the bottom of the pot cover, the sealing convex blocks are correspondingly clamped in the sealing grooves, the sealing performance between the pot cover and the sealing ring can be improved, the heat loss is effectively prevented, the pot cover is driven to ascend or descend by the cylinder, the opening and closing of the pot cover can be facilitated, the steel mesh is arranged in the zinc dipping pot, all workpieces in the zinc dipping pot can be taken out at one time, the pot cover is driven to ascend and hover in the air, and zinc liquid of the workpieces in the steel mesh can be drained, unnecessary zinc liquid drips in the zinc dipping pot and can not cause waste and pollution, compares with prior art, can show efficiency and the effect that promotes the work piece zinc dipping, has reduced the energy consumption, has brought very big facility for work piece zinc dipping processing, convenient to use, convenient to popularize and apply.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a closed type hot-dip zinc furnace of the utility model.

In the figure: 1-furnace body, 2-zinc dipping pot, 3-sealing ring, 4-heat dissipation hole, 5-pot cover, 6-cavity, 7-exhaust pipe, 8-blocking rod, 9-exhaust groove, 10-fixture block, 11-sealing bump, 12-sealing groove, 13-first heat preservation layer, 14-second heat preservation layer, 15-steel mesh, 16-hook, 17-lifting rod, 18-exhaust hole, 19-combustion port, 20-gas stove, 21-combustion pipe, 22-cylinder, 23-combustion chamber, 24-vent hole and 25-supporting leg.

Detailed Description

Referring to fig. 1, the utility model relates to a closed hot-dip zinc furnace, which comprises a furnace body 1, a zinc dipping pot 2, a sealing ring 3, heat dissipation holes 4, a pot cover 5, a cavity 6, an exhaust pipe 7, a blocking rod 8, an exhaust groove 9, a clamping block 10, a sealing lug 11, a sealing groove 12, a first heat preservation layer 13, a second heat preservation layer 14, a steel mesh 15, a hook 16, a lifting rod 17, an exhaust hole 18, a combustion port 19, a gas stove 20, a gas pipe 21, a cylinder 22, a combustion chamber 23, an air vent 24 and supporting legs 25, wherein the combustion chamber 23 is arranged on the inner side of the upper part of the furnace body 1, the zinc dipping pot 2 is arranged on the inner side of the combustion chamber 23, the upper end of the zinc dipping pot 2 is flush with the upper end of the furnace body 1, the sealing ring 3 is arranged between the outer side of the heat dissipation holes of the zinc dipping pot 2 and the top end of the combustion chamber 23 in a sealing manner, the sealing ring 3 is provided with a plurality of heat dissipation holes 4, the pot cover 1 is provided with 5, the pot cover is characterized in that a cavity 6 is formed in the pot cover 5, a plurality of vent holes 24 corresponding to the heat dissipation holes 4 are formed in the bottom of the pot cover 5, the vent holes 24 are communicated with the cavity 6, a vertically arranged exhaust pipe 7 is arranged in the middle of the pot cover 5, the connecting portion of the exhaust pipe 7 and the pot cover 5 is of a sealed design, the upper end of the exhaust pipe 7 is communicated with the outer side of the pot cover 5, the lower end of the exhaust pipe 7 is communicated with the zinc dipping pot 2, a plugging rod 8 is slidably arranged in the exhaust pipe 7, a plurality of vertically arranged exhaust grooves 9 are formed in the side portion of the plugging rod 8, fixture blocks 10 are fixedly arranged at the upper end and the lower end of the plugging rod 8, a plurality of annular sealing convex blocks 11 are integrally arranged on the upper portion of the sealing ring 3, a plurality of sealing grooves 12 matched with the sealing convex blocks 11 are formed in the bottom of the pot cover 5, and the sealing convex blocks 11 are correspondingly clamped in the sealing grooves 12, the inner wall of the combustion chamber 23 is provided with a first heat preservation layer 13, the inner wall of the cavity 6 is provided with a second heat preservation layer 14, the interior of the zinc dipping pot 2 is provided with a steel mesh 15, the bottom of the pot cover 5 is fixedly provided with a plurality of hooks 16, the upper end of the steel mesh 15 is fixedly provided with a plurality of lifting rods 17 matched with the hooks 16, the lifting rods 17 are correspondingly hung in the hooks of the hooks 16, the top of the pot cover 5 is provided with a plurality of exhaust holes 18 communicated with the cavity 6, the lower side part of the furnace body 1 is provided with a combustion port 19 communicated with the combustion chamber 23, the interior of the combustion chamber 23 is positioned under the zinc dipping pot 2, the bottom of the furnace body 1 is provided with a gas pipe 21, the gas outlet end of the gas pipe 21 is communicated with the gas stove 20, the side part of the furnace body 1 is fixedly provided with a cylinder 22 with an output shaft vertically arranged upwards, the output shaft of the cylinder 22 is fixedly connected with the pot cover 5, the fixed supporting leg 25 that is equipped with a plurality of evenly distributed in bottom of furnace body 1, the outside of furnace body 1 is equipped with thermal-insulated heat preservation, the length of exhaust duct 9 is greater than the length of blast pipe 7, the length of exhaust duct 9 is less than the length of exhaust shutoff pole 8, steel mesh 15 is formed by the steel wire welding, the mesh width of steel mesh 15 is 3~5mm, lifting rod 17 is the design of type of falling V, the lateral part of burner port 19 is equipped with rotates the apron of being connected with furnace body 1.

The utility model discloses the working process: when a workpiece needs to be subjected to zinc dipping processing, the workpiece can be poured into the steel mesh 15, then the gas stove 20 is opened, flame of the gas stove 20 is combusted in the combustion chamber 23 to heat the zinc dipping pot 2, the cylinder 22 is started after the temperature of zinc liquid in the zinc dipping pot 2 reaches the standard, the cylinder 22 drives the pot cover 5 to sink, so that the pot cover 5 is sealed at the upper part of the furnace body 1, the sealing lug 11 is matched with the sealing groove 12 at the moment, the zinc dipping pot 2 is sealed, the steel mesh 15 is immersed in the zinc liquid in the zinc dipping pot 2 at the moment, the workpiece in the steel mesh 15 is dipped with zinc, the heat in the zinc dipping pot 2 rises, the gas in the zinc dipping pot 2 pushes the blocking rod 8 to slide upwards along the exhaust pipe 7, when the upper end of the exhaust groove 9 is communicated with the outside, the pressure of the zinc dipping pot 2 can be relieved, unnecessary heat loss in the zinc dipping pot 2 is avoided, and when the pressure in the zinc dipping pot 2 becomes small, the blocking rod 8 can sink into the exhaust pipe 7 again completely under the action of gravity, so that the exhaust groove 9 can not be communicated with the outside, at the moment, the heat in the zinc dipping pot 2 can not be lost, when the fuel gas in the combustion chamber 23 is combusted, the hot gas in the combustion chamber 23 can enter the vent hole 24 through the heat dissipation hole 4 and then enters the cavity 6 through the vent hole 24, the pot cover 5 can be heated, the heat insulation performance of the pot cover 5 is further improved, the heat insulation performance of the combustion chamber 23 can be improved through the first heat insulation layer 13, the heat insulation performance of the pot cover 5 can be improved through the second heat insulation layer 14, the heat loss is avoided to a great extent, after the zinc dipping of a workpiece is completed, the gas stove 20 can be closed and the cylinder 22 can be started, the cylinder 22 drives the pot cover 5 to rise, the hook 16 at the lower part of the pot cover 5 lifts the steel mesh 15 from the zinc dipping pot 2 through the lifting rod 17 and hovers in the air, the adnexed unnecessary molten zinc of workpiece surface will drip in soaking zinc pot 2, avoid the molten zinc extravagant and cause the pollution, 19 burner ports can be opened when necessary and let outside air enter into 23 in the combustion chamber let the fire burn more flourishing, 19 burner ports also can be used for overhauing the inside part of combustion chamber 23, compared with the prior art, can show efficiency and the effect that promotes the work piece and soak zinc, the energy consumption is reduced, processing has brought very big facility for the work piece soaks zinc, high durability and convenient use, and convenient popularization and application.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. A closed hot dip zinc stove which is characterized in that: comprises a furnace body (1), a zinc dipping pot (2), a sealing ring (3), a heat dissipation hole (4), a pot cover (5), a cavity (6), an exhaust pipe (7), a blocking rod (8), an exhaust groove (9), a clamping block (10), a sealing lug (11), a sealing groove (12), a first heat preservation layer (13), a second heat preservation layer (14), a steel mesh (15), a hook (16), a lifting rod (17), an exhaust hole (18), a combustion port (19), a gas stove (20), a gas pipe (21), a cylinder (22), a combustion chamber (23), an air vent (24) and supporting legs (25), wherein the combustion chamber (23) is arranged on the inner side of the upper part of the furnace body (1), the zinc dipping pot (2) is arranged on the inner side of the combustion chamber (23), the upper end of the zinc dipping pot (2) is flush with the upper end of the furnace body (1), the sealing ring (3) is arranged between the outer side of the zinc dipping pot (2) and the top end of the combustion chamber (23) in a sealing way, the sealing ring (3) is provided with a plurality of heat dissipation holes (4), the top of the furnace body (1) is provided with a pot cover (5), the inside of the pot cover (5) is provided with a cavity (6), the bottom of the pot cover (5) is provided with a plurality of vent holes (24) corresponding to the heat dissipation holes (4), the vent holes (24) are communicated with the cavity (6), the middle of the pot cover (5) is provided with a vertically arranged exhaust pipe (7), the connecting part of the exhaust pipe (7) and the pot cover (5) is designed in a sealing manner, the upper end of the exhaust pipe (7) is communicated with the outer side of the pot cover (5), the lower end of the exhaust pipe (7) is communicated with the zinc dipping pot (2), a plugging rod (8) is arranged in the exhaust pipe (7) in a sliding manner, the lateral part of the plugging rod (8) is provided with a plurality of vertically arranged exhaust grooves (9), and the upper end and the lower end of the plugging rod (8) are both fixedly provided with fixture blocks (10), the upper portion integral type of sealing washer (3) is equipped with a plurality of annular sealed lugs (11), the bottom of pot cover (5) is equipped with a plurality of seal grooves (12) with sealed lug (11) matched with, sealed lug (11) correspond the card and establish in seal groove (12), the inner wall of combustion chamber (23) is equipped with first heat preservation (13), the inner wall of cavity (6) is equipped with second heat preservation (14), the inside of soaking zinc pot (2) is equipped with steel mesh (15), the bottom of pot cover (5) is fixed and is equipped with a plurality of couples (16), the upper end of steel mesh (15) is fixed and is equipped with a plurality of lifting rod (17) with couple (16) matched with, lifting rod (17) correspond to hang and establish in the hook of couple (16), a plurality of exhaust hole (18) that communicate with cavity (6) are seted up to the top of pot cover (5), the lower side of furnace body (1) is seted up and is communicate with combustion chamber (23) communicating combustion opening (19), the utility model discloses a zinc dipping furnace, including furnace body (1), combustion chamber (23), gas-cooker (20) are equipped with under the inside of combustion chamber (23) is located zinc dipping pot (2), the bottom of furnace body (1) is equipped with gas pipe (21), the end of giving vent to anger of gas pipe (21) is linked together with gas-cooker (20), the fixed cylinder (22) that are equipped with the vertical ascending setting of output shaft of lateral part of furnace body (1), the output shaft and pot cover (5) fixed connection of cylinder (22), the fixed supporting leg (25) that are equipped with a plurality of evenly distributed in bottom of furnace body (1).

2. The enclosed hot dip zinc furnace of claim 1, wherein: and a heat insulation layer is arranged outside the furnace body (1).

3. The enclosed hot dip zinc furnace of claim 1, wherein: the length of the exhaust groove (9) is greater than that of the exhaust pipe (7), and the length of the exhaust groove (9) is less than that of the exhaust plugging rod (8).

4. The enclosed hot dip zinc furnace of claim 1, wherein: the steel mesh (15) is formed by welding steel wires, and the mesh width of the steel mesh (15) is 3-5 mm.

5. The enclosed hot dip zinc furnace of claim 1, wherein: the lifting rod (17) is designed in an inverted V shape.

6. A closed hot dip zinc furnace according to any one of claims 1 to 5, wherein: and a cover plate rotationally connected with the furnace body (1) is arranged on the side part of the combustion port (19).