CN219409869U - Zinc liquid diversion buffer structure for aluminum plating zinc - Google Patents

Abstract

The utility model relates to a zinc liquid diversion buffer structure for aluminizing zinc, which comprises a main zinc pot and a premelting pot, wherein the premelting pot is positioned above the main zinc pot, a diversion pipe capable of supplementing zinc liquid to the main zinc pot is connected to the premelting pot, a buffer is connected to the end part of the diversion pipe, a buffer cavity is arranged in the buffer, a liquid inlet and a liquid outlet are respectively arranged at the same height at two sides of the buffer cavity, the liquid inlet is connected with the diversion pipe, the liquid outlet is connected with the liquid outlet pipe capable of guiding zinc liquid into the main zinc pot, the bottom of the buffer cavity is in an inverted cone shape, a liquid outlet is arranged at the cone tip of the inverted cone and is connected with the liquid outlet pipe, and a flow regulating mechanism which extends into the buffer cavity and controls the flow of the liquid outlet is arranged at the top of the buffer. The utility model solves the problems of overlarge impact of the zinc liquid, reduces the impact force of the zinc liquid, further reduces the disturbance of the fed zinc liquid to the main zinc pot, and reduces the quality defect of products.

Description

Zinc liquid diversion buffer structure for aluminum plating zinc

Technical Field

The utility model relates to the technical field of aluminum plating and zinc plating, in particular to a zinc liquid diversion buffer structure for aluminum plating and zinc plating.

Background

The continuous hot dip aluminizing zinc process for strip steel is to form zinc coating on the surface of strip steel to separate metal from corrosive medium, and the produced aluminized zinc steel sheet has excellent corrosion resistance, excellent weldability and plastic forming performance and is used widely in the manufacture industry. In the production, the hot dip aluminum zinc is different from hot dip zinc, the working temperature of the hot dip zinc is 460 ℃, the alloy is less, the temperature requirement on a zinc pot is low, and zinc ingots can be directly added in a main zinc pot. The temperature of the hot dip aluminum zinc is above 600 ℃, and the temperature requirement on the main zinc pot is high, if zinc ingots are added in the main zinc pot, the temperature fluctuation of the main zinc pot is easily caused, and the quality of the plate surface is poor. So the current production situation of aluminum and zinc plating is that a premelting pot is arranged beside a main zinc pot to premelt zinc ingots, and then zinc liquid flows into the main zinc pot through a diversion trench. However, the design has some defects that the impact force is too large when the zinc liquid of the premelting pot enters the main pot through the diversion trench, the liquid level of the main zinc pot shakes, impurities on the surface of the main zinc pot and in the diversion trench are easy to be flushed into the furnace nose, and the impurities enter the plate strip due to too little entering of the liquid level of the furnace nose, so that the slag can be adhered to the plate strip, and the slag can be leaked for plating. The impact force is too large, and the bottom slag at the bottom of the main pot can be stirred, so that quality problems are caused.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a zinc liquid diversion buffer structure for aluminizing zinc, which reduces disturbance of the zinc liquid to a main zinc pot and reduces the occurrence of slag sticking and plating omission by buffering the zinc liquid by a buffer.

The utility model is realized by the following technical scheme:

the utility model provides a zinc liquid water conservancy diversion buffer structure for zinc aluminizes, including main zinc pot and premelting pot, premelting pot is located main zinc pot top, and be connected with the honeycomb duct that can supply zinc liquid to main zinc pot on the premelting pot, the end connection of honeycomb duct has the buffer, be equipped with the cushion chamber in the buffer and the both sides of cushion chamber do not have inlet and liquid outlet at same altitude, the inlet is connected with the honeycomb duct, the liquid outlet is connected with the drain pipe that can introduce zinc liquid into main zinc pot, the bottom of cushion chamber is the back taper and has seted up the leakage fluid dram and connect the leakage fluid dram in the cone tip department of back taper, the flow regulating mechanism that stretches into the cushion chamber and control leakage fluid dram flow is installed at the top of buffer.

Further, the lower end of the liquid discharge pipe stretches into the main zinc pot and is positioned above the liquid level, and the end part of the liquid discharge pipe is connected with a buffer cup through a connecting rod.

The buffer cup at the lower end of the liquid discharge pipe can play a role in buffering, and zinc liquid in the liquid discharge pipe can be decompressed in the buffer cup and change the flowing direction, so that the impact on the main zinc pot is reduced.

Further, the flow regulating mechanism comprises a plug for plugging the liquid outlet, a conical surface matched with the inverted conical surface is arranged at the lower part of the plug, a lifting rod is connected to the upper part of the plug, the upper end of the lifting rod penetrates through the center of the top of the buffer cavity to form a through hole, a guide sleeve with internal threads is arranged at the top of the buffer in the through hole, a threaded part in threaded connection with the guide sleeve is arranged on the lifting rod, and a rotating disc is connected to the end part of the lifting rod outside the buffer in a penetrating mode.

The plug can plug the liquid outlet and cooperate the interval of lifter adjustment plug lower part conical surface and cushion chamber bottom conical surface to adjust the flowing back flow, and the lifter rotates with the adjustment plug position through the rolling disc, realizes the indirect adjustment to liquid outlet flow through the flow of adjustment fluid-discharge tube, guarantees that the liquid outlet flow is stable.

Preferably, the inner surface of the buffer cavity and the surface of the flow regulating mechanism are coated with a high-temperature resistant coating.

The high-temperature-resistant coating can prolong the service lives of the buffer cavity and the flow regulating mechanism, and ensure the overall stability.

The utility model has the beneficial effects that:

the buffer cavity of the buffer can hold and buffer zinc liquid, and the flow rate of the liquid outlet is indirectly regulated by regulating the flow rate of the liquid outlet through the flow regulating mechanism of the liquid outlet, so that the liquid outlet flow rate is stable, the effects of buffering and stabilizing the flow rate of the zinc liquid in the premelting pot are realized, the disturbance of zinc liquid impact to the main zinc pot is reduced, the phenomenon that the slag is leaked and plated due to the fact that impurities are flushed into the furnace nose due to shaking of the liquid level of the main zinc pot is prevented, and the product quality defect is further reduced. The whole structure is simple, and the maintenance is convenient.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic flow diagram of zinc in a buffer cup according to the present utility model.

The figure shows:

1. the zinc melting pot comprises a main zinc pot body, 2 parts of a premelting pot, 3 parts of a flow guide pipe, 4 parts of a buffer, 5 parts of a buffer cavity, 6 parts of a liquid inlet, 7 parts of a liquid outlet, 8 parts of a liquid outlet pipe, 9 parts of a liquid outlet, 10 parts of a liquid outlet pipe, 11 parts of a liquid outlet, 12 parts of a plug, 12 parts of a lifting rod, 13 parts of a guide sleeve, 14 parts of a rotating disc, 15 parts of a buffer cup, 16 parts of a connecting rod.

Detailed Description

In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.

As shown in fig. 1, a zinc liquid diversion buffer structure for aluminizing zinc comprises a main zinc pot 1 and a premelting pot 2, wherein the premelting pot 2 is positioned above the main zinc pot 1, a diversion pipe 3 capable of supplementing zinc liquid to the main zinc pot 1 is connected to the premelting pot 2, the end part of the diversion pipe 3 is connected with a buffer 4, the buffer 4 is erected on the ground through a support in order to ensure the stability of the buffer 4, a buffer cavity 5 is arranged in the buffer 4, two sides of the buffer cavity 5 are respectively provided with a liquid inlet 6 and a liquid outlet 7 at the same height, the liquid inlet 6 is connected with the diversion pipe 3, the liquid outlet 7 is connected with a liquid outlet pipe 8 capable of leading zinc liquid into the main zinc pot 1, the bottom of the buffer cavity 5 is in an inverted cone shape, a liquid outlet 9 is formed at the cone tip of the inverted cone and is connected with a liquid outlet 10, and a flow regulating mechanism which stretches into the buffer cavity 5 and controls the flow of the liquid outlet 9 is arranged at the top of the buffer 4. In order to ensure the whole service life, the inner surface of the buffer cavity 5 and the surface of the flow regulating mechanism are coated with high-temperature resistant coatings, all parts are made of stainless steel materials, the stainless steel can resist the high temperature to be treated and the corrosion, and parts which are easy to corrode and age, such as rubber, are not contained in the buffer cavity 5, so that the leakage or blockage problem caused by corrosion can not occur.

Wherein: the flow regulating mechanism comprises a plug 11 for blocking the liquid outlet 9, a conical surface matched with the inverted conical surface is arranged at the lower part of the plug 11, a lifting rod 12 is connected at the upper part of the plug 11, a through hole is formed in the upper end of the lifting rod 12 penetrating through the center of the top of the buffer cavity 5, a guide sleeve 13 with internal threads is arranged at the top of the buffer 4 in the through hole, a threaded part in threaded connection with the guide sleeve 13 is arranged on the lifting rod 12, and a rotating disc 14 is connected at the end part of the lifting rod 12 penetrating out of the buffer 4. Through conical surface cooperation between end cap 11 and the cushion chamber 5 bottom, be convenient for adjust the clearance between the two, the flow size of control leakage fluid dram 9, in the in-service use in-process, end cap 11 need not block up leakage fluid dram 9 completely, be in normally open state can, only need guarantee that the velocity of flow of leakage fluid dram 9 is less than the velocity of flow of inlet 6, make the interior zinc liquid of cushion chamber 5 can follow liquid outlet 7 and flow out.

The lower end of the liquid discharge pipe 10 extends into the main zinc pot 1 and is positioned above the liquid level, and the end part of the liquid discharge pipe 10 is connected with a buffer cup 15 through a connecting rod 16. The connecting rods 16 are arranged at intervals along the peripheral surface of the opening of the buffer cup 15, the upper end of each connecting rod is connected with the liquid discharge pipe 10, and the lower end of each connecting rod is connected with the buffer cup 15. As shown in fig. 2, the upper opening of the buffer cup 15 receives the zinc liquid flowing out of the liquid discharge pipe 10, changes the flowing direction of the zinc liquid, and enters the main zinc pot 1 after reducing the impact force.

The working principle of the utility model is as follows:

the zinc liquid in the premelting pot 2 enters the buffer 4 from the flow guide pipe 3, enters the buffer cavity 5 from the liquid inlet 6, the buffer cavity 5 can have a holding effect on the zinc liquid, and meanwhile, the flow constant of the liquid outlet 7 is realized through adjusting the interval between the plug 11 of the flow adjusting mechanism and the conical surface at the bottom of the buffer cavity 5 to adjust and control the overflow area of the liquid outlet 9. After the zinc liquid is buffered and stabilized, the zinc liquid flows out through the liquid outlet 7 and enters the main zinc pot 1, and the disturbance to the liquid level of the main zinc pot 1 can be greatly reduced by the small flow of the zinc liquid.

The zinc liquid flowing out from the liquid discharge pipe 10 can enter the buffer cup 15, the buffer cup 15 can be used for impacting the zinc liquid, the flowing direction of the zinc liquid is changed, the zinc liquid after reaching the proper buffering direction, the impact force is greatly weakened and flows into the main zinc pot 1, and the disturbance on the liquid level of the main zinc pot 1 is also realized.

Of course, the above description is not limited to the above examples, and the technical features of the present utility model that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present utility model and not for limiting the same, and the present utility model has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present utility model and the scope of the appended claims.

Claims (4)

1. The utility model provides a zinc liquid water conservancy diversion buffer structure for zinc aluminizes, includes main zinc pot and premelt pot, premelt pot is located main zinc pot top, and is connected with the honeycomb duct that can supply zinc liquid to main zinc pot on premelt pot, its characterized in that: the end connection of honeycomb duct has the buffer, is equipped with the cushion chamber in the buffer and the both sides of cushion chamber are equipped with inlet and liquid outlet respectively at the same height, and the inlet is connected with the honeycomb duct, and the liquid outlet is connected with the drain pipe that can lead in main zinc pot with zinc liquid, and the bottom of cushion chamber is the inverted cone and has seted up the leakage fluid dram and connect the leakage fluid dram in the cone tip department of inverted cone, and the flow control mechanism that stretches into the cushion chamber and control the leakage fluid dram flow is installed at the top of buffer.

2. The zinc liquid diversion buffer structure for aluminum plating zinc according to claim 1, wherein: the lower end of the liquid discharge pipe extends into the main zinc pot and is positioned above the liquid level, and the end part of the liquid discharge pipe is connected with a buffer cup through a connecting rod.

3. The zinc liquid diversion buffer structure for aluminum plating zinc according to claim 1, wherein: the flow regulating mechanism comprises a plug for plugging the liquid outlet, a conical surface matched with the inverted conical surface is arranged at the lower part of the plug, a lifting rod is connected with the upper part of the plug, the upper end of the lifting rod penetrates through the center of the top of the buffer cavity to form a through hole, a guide sleeve with internal threads is arranged at the top of the buffer in the through hole, a threaded part in threaded connection with the guide sleeve is arranged on the lifting rod, and a rotating disc is connected with the end part of the lifting rod outside the buffer in a penetrating mode.

4. The zinc liquid diversion buffer structure for aluminum plating zinc according to claim 1, wherein: the inner surface of the buffer cavity and the surface of the flow regulating mechanism are coated with high temperature resistant coatings.