CN220649118U - Terminal heater of nitrogen humidifying device - Google Patents

Abstract

The utility model relates to the field of zinc-aluminum-magnesium production equipment, in particular to a terminal heater of a nitrogen humidifying device, which has the technical scheme that: including letting in humidifier, stove nose and the nitrogen gas pipeline that has nitrogen gas, nitrogen gas pipeline head end and humidifier output fixed connection, still including being used for carrying out the first heating device and the second heating device that heat to nitrogen gas and being used for controlling the even diverging device that heats of nitrogen gas, first heating device passes through diverging device to be connected at nitrogen gas pipeline end, first heating device and stove nose input fixed connection, second heating device sets up on the nitrogen gas pipeline, the beneficial effect of the utility model is: through add first heating device at the terminal that nitrogen gas got into the stove nose for water in the nitrogen gas all gets into the stove with the form of vapor in, can not produce like this and leak plating, humidification nitrogen gas temperature keeps unanimous relatively with the stove temperature in the while, reduces the stove temperature fluctuation, has absolute guarantee to the product quality.

Description

Terminal heater of nitrogen humidifying device

Technical Field

The utility model relates to the field of zinc-aluminum-magnesium production equipment, in particular to a tail end heater of a nitrogen humidifying device.

Background

Zinc-aluminum-magnesium is alloy metal, has the effects of corrosion resistance for treating the surfaces of steel and steel products, better corrosion resistance, good welding performance, low friction coefficient and stable friction characteristic, and compared with traditional plating layers such as hot galvanizing, zinc-aluminum plating, zinc-iron alloy plating and the like, the zinc-aluminum-magnesium plating layer has more excellent corrosion resistance, and zinc-aluminum-magnesium products are mainly used in industries such as civil construction, railway roads, automobile motors, photovoltaic brackets, industrial refrigeration and the like.

When the zinc-aluminum-magnesium industry is rising, the matched equipment is still not optimized and perfected, the production of zinc-aluminum-magnesium requires the investment of a humidifier, nitrogen passing through the humidifier contains a large amount of water vapor, and the water vapor is easily condensed into water drops in a pipeline before entering a furnace nose, and enters the furnace, so that the plate surface is not plated, the product quality is affected, and the enterprise loss is caused.

The conventional solution is to wind a heat tracing band (shown in fig. 1) on a nitrogen pipeline, so that the formation of condensed water is reduced, and the problem cannot be completely solved by adopting a method for treating the symptoms but not the root cause, so that the end heater of the nitrogen humidifying device is necessary.

Disclosure of Invention

Therefore, the utility model provides the terminal heater of the nitrogen humidifying device, the terminal of the nitrogen entering the furnace nose is additionally provided with the heating device, no matter whether the nitrogen in the pipeline contains water vapor or water drops, after the nitrogen passes through the heating device, the water in the nitrogen enters the furnace in the form of the water vapor, so that no plating leakage can occur, the temperature of the humidified nitrogen is kept relatively consistent with the temperature in the furnace, the fluctuation of the temperature in the furnace is reduced, and the quality of products is absolutely ensured.

In order to achieve the above object, the present utility model provides the following technical solutions: the nitrogen humidifying device tail end heater comprises a humidifier, a furnace nose and a nitrogen pipeline, wherein nitrogen is introduced into the humidifier, the head end of the nitrogen pipeline is fixedly connected with the output end of the humidifier, the nitrogen humidifying device further comprises a first heating device and a second heating device which are used for heating nitrogen and a flow dividing device which is used for controlling the nitrogen to be uniformly heated, the first heating device is connected to the tail end of the nitrogen pipeline through the flow dividing device, the first heating device is fixedly connected with the input end of the furnace nose, and the second heating device is arranged on the nitrogen pipeline.

Preferably, the flow dividing device comprises a first air inlet pipe, one end of the first air inlet pipe is fixedly connected with the tail end of the nitrogen pipeline, the other end of the first air inlet pipe is fixedly provided with a gas distribution plate, and a plurality of nitrogen flow dividing pipes are uniformly arranged on the side part of the gas distribution plate.

Preferably, the first heating device comprises a tubular shell, one end of the tubular shell is provided with a plurality of second air inlet pipes, the second air inlet pipes and the nitrogen shunt pipes are respectively in one-to-one correspondence, and the second air inlet pipes are fixedly connected with the corresponding nitrogen shunt pipes.

Preferably, the inside electric heating wire that evenly is provided with of tubular shell, tubular shell other end flange joint has the gas-supply pipe, the one end that the gas-supply pipe is close to the stove nose is fixed connection with stove nose input.

Preferably, the second heating device comprises a heat tracing band which is spirally wound on the surface of the nitrogen pipeline.

The beneficial effects of the utility model are as follows:

1. the first heating device is additionally arranged at the tail end of the nitrogen entering the furnace nose, so that water in the nitrogen enters the furnace in a form of water vapor after passing through the first heating device no matter the water vapor or water drops in the nitrogen, the plating leakage cannot occur, the temperature of the humidified nitrogen is kept relatively consistent with the temperature in the furnace, the fluctuation of the temperature in the furnace is reduced, and the quality of products is absolutely ensured;

2. the second heating device is additionally arranged on the nitrogen pipeline, so that the effect of preheating nitrogen can be achieved, the initial temperature of the nitrogen is improved, and the subsequent heating efficiency and effect by the first heating device are facilitated;

3. through the diverging device that sets up, can play the effect that enters into first heating device with nitrogen gas reposition of redundant personnel, enlarged the heated area of nitrogen gas like this, and make nitrogen gas can be by even heating, improve the follow-up efficiency and the effect of being heated by first heating device of nitrogen gas again.

Drawings

FIG. 1 is a schematic diagram of a prior art structure in which a heat tracing band is wound around a nitrogen pipe;

FIG. 2 is a schematic diagram of the structure provided by the present utility model;

FIG. 3 is a cross-sectional view of a structure provided by the present utility model;

FIG. 4 is a perspective view of a flow dividing device according to the present utility model;

fig. 5 is a structural perspective view of the first heating device provided by the utility model.

In the figure: 1. a humidifier; 2. a furnace nose; 3. a nitrogen gas pipe; 4. a shunt device; 41. a first air inlet pipe; 42. a gas distribution plate; 43. a nitrogen shunt tube; 5. a first heating device; 51. a tubular housing; 52. a second air inlet pipe; 53. an electric heating wire; 54. a gas pipe; 6. a second heating device; 61. heat is carried along with the belt.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1-5, the terminal heater of the nitrogen humidifying device provided by the utility model comprises a humidifier 1 filled with nitrogen, a furnace nose 2 and a nitrogen pipeline 3, wherein the head end of the nitrogen pipeline 3 is fixedly connected with the output end of the humidifier 1, the terminal heater further comprises a first heating device 5 and a second heating device 6 for heating the nitrogen and a flow dividing device 4 for controlling the nitrogen to be uniformly heated, the first heating device 5 is connected with the terminal of the nitrogen pipeline 3 through the flow dividing device 4, the first heating device 5 is fixedly connected with the input end of the furnace nose 2, and the second heating device 6 is arranged on the nitrogen pipeline 3;

the flow dividing device 4 comprises a first air inlet pipe 41, one end of the first air inlet pipe 41 is fixedly connected with the tail end of the nitrogen pipeline 3, and the other end of the first air inlet pipe 41 is fixedly provided with a gas distribution plate 42, namely, nitrogen flowing out of the humidifier 1 can be conveyed into the gas distribution plate 42 through the nitrogen pipeline 3 and the first air inlet pipe 41, and a plurality of nitrogen flow dividing pipes 43 are uniformly arranged on the side part of the gas distribution plate 42, so that the nitrogen entering into the gas distribution plate 42 can be uniformly divided through the plurality of nitrogen flow dividing pipes 43, the heated area of the nitrogen is enlarged, the nitrogen can be uniformly heated, and the efficiency and the effect of the subsequent heating of the nitrogen by the first heating device 5 are improved;

the first heating device 5 comprises a tubular shell 51, one end of the tubular shell 51 is provided with a plurality of second air inlet pipes 52, the plurality of second air inlet pipes 52 are respectively and one-to-one corresponding to the plurality of nitrogen shunt pipes 43, and the second air inlet pipes 52 are fixedly connected with the corresponding nitrogen shunt pipes 43, so that nitrogen uniformly shunted by the plurality of nitrogen shunt pipes 43 can continuously flow into the tubular shell 51 uniformly through the second air inlet pipes 52, the inside of the tubular shell 51 is uniformly provided with electric heating wires 53, namely, when the electric heating wires 53 do work, electric energy can be converted into required heat energy, so that uniformly shunted nitrogen can be heated, the other end of the tubular shell 51 is connected with a gas pipe 54 in a flange manner, one end of the gas pipe 54 close to the furnace nose 2 is fixedly connected with the input end of the furnace nose 2, namely, the nitrogen enters the furnace nose 2 through the gas pipe 54 after being heated, the nitrogen enters the tail end of the furnace nose 2, no matter whether the nitrogen in the pipeline contains water vapor or water drops, the water in the nitrogen enters the furnace in a form of vapor, so that plating leakage is avoided, the temperature of the nitrogen is kept consistent with the temperature in the furnace, and the relative fluctuation of the temperature is kept, and the product is absolutely reduced;

the second heating device 6 includes a heat tracing band 61, where the heat tracing band 61 is spirally wound on the surface of the nitrogen pipeline 3, and it is to be noted that the heat tracing band 61 refers to electric heat tracing, and the principle is that after the heat tracing band is powered on, a current flows from one wire core to another wire core through a conductive PTC material to form a loop, and the electric energy heats the conductive material, and its resistance increases immediately, and when the temperature of the wire core increases to a certain value, the resistance is so large that the current is almost blocked, and its temperature no longer increases, and at the same time, the electric heat tracing band transfers heat to a heated system with a lower temperature, which is a well-known device, so that the heat tracing band is not described again, i.e. under the action of the heat tracing band 61, the nitrogen can be heated when being conveyed through the nitrogen pipeline 3, so as to perform the preheating function to the nitrogen, increase the initial temperature of the nitrogen, and be beneficial to the efficiency and effect of the subsequent heating by the first heating device 5.

The application process of the utility model is as follows: the nitrogen flowing out of the humidifier 1 can be conveyed into the gas distribution plate 42 through the nitrogen pipeline 3 and the first air inlet pipe 41, and the nitrogen entering into the gas distribution plate 42 can be uniformly split through the plurality of nitrogen split pipes 43, so that the heated area of the nitrogen is enlarged, the nitrogen can be uniformly heated, the efficiency and the effect of the nitrogen which is subsequently heated by the first heating device 5 are improved, and when the nitrogen is conveyed through the nitrogen pipeline 3, the nitrogen can be preheated by the heat tracing belt 61 in the conveying process, the initial temperature of the nitrogen is improved, and the efficiency and the effect of the nitrogen which is subsequently heated by the first heating device 5 are facilitated again;

the nitrogen uniformly split by the nitrogen split pipes 43 can continuously flow into the tubular shell 51 uniformly by the second air inlet pipe 52, the uniformly split nitrogen can be heated under the heating action of the electric heating wire 53, and then enters the furnace nose 2 through the air pipe 54 after being heated, so that the first heating device 5 is additionally arranged at the tail end of the nitrogen entering the furnace nose 2, no matter whether the nitrogen in the pipeline contains water vapor or water drops, after the nitrogen passes through the first heating device 5, the water in the nitrogen enters the furnace in the form of water vapor, so that plating leakage cannot occur, the humidifying nitrogen temperature and the furnace temperature are kept relatively consistent, the fluctuation of the furnace temperature is reduced, and the absolute guarantee is provided for the quality of products.

The above description is only of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims (5)

1. The utility model provides a nitrogen gas humidification device terminal heater, including letting in humidifier (1), stove nose (2) and nitrogen gas pipeline (3) that have nitrogen gas, nitrogen gas pipeline (3) head end and humidifier (1) output fixed connection, its characterized in that: the nitrogen gas heating device is characterized by further comprising a first heating device (5) and a second heating device (6) which are used for heating nitrogen gas and a flow dividing device (4) which is used for controlling the nitrogen gas to be uniformly heated, wherein the first heating device (5) is connected to the tail end of a nitrogen gas pipeline (3) through the flow dividing device (4), the first heating device (5) is fixedly connected with the input end of the furnace nose (2), and the second heating device (6) is arranged on the nitrogen gas pipeline (3).

2. The nitrogen humidification device end heater of claim 1, wherein: the flow dividing device (4) comprises a first air inlet pipe (41), one end of the first air inlet pipe (41) is fixedly connected with the tail end of the nitrogen pipeline (3), a gas distribution plate (42) is fixedly arranged at the other end of the first air inlet pipe (41), and a plurality of nitrogen flow dividing pipes (43) are uniformly arranged on the side part of the gas distribution plate (42).

3. The nitrogen humidification device end heater of claim 2, wherein: the first heating device (5) comprises a tubular shell (51), a plurality of second air inlet pipes (52) are arranged at one end of the tubular shell (51), the second air inlet pipes (52) and the nitrogen shunt pipes (43) are respectively in one-to-one correspondence, and the second air inlet pipes (52) are fixedly connected with the corresponding nitrogen shunt pipes (43).

4. A nitrogen humidification device end heater according to claim 3, wherein: the electric heating device is characterized in that electric heating wires (53) are uniformly arranged inside the tubular shell (51), an air pipe (54) is connected to the other end of the tubular shell (51) in a flange mode, and one end, close to the furnace nose (2), of the air pipe (54) is fixedly connected with the input end of the furnace nose (2).

5. The nitrogen humidification device end heater of claim 1, wherein: the second heating device (6) comprises a heat tracing band (61), and the heat tracing band (61) is spirally wound on the surface of the nitrogen pipeline (3).