CN211972401U - Stove nose humidifier - Google Patents
Stove nose humidifier Download PDFInfo
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- CN211972401U CN211972401U CN202020667052.5U CN202020667052U CN211972401U CN 211972401 U CN211972401 U CN 211972401U CN 202020667052 U CN202020667052 U CN 202020667052U CN 211972401 U CN211972401 U CN 211972401U
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Abstract
The utility model discloses a furnace nose humidifier, which comprises a humidifying water tank, a desalination water pipeline and a nitrogen pipeline; a water tank heater is arranged in the humidifying water tank; the desalination water pipeline is connected with the humidification water tank; the nitrogen pipeline comprises a nitrogen main pipeline, a humidifying nitrogen pipeline, a dry nitrogen pipeline, a mixing pipeline and a heating pipeline, the nitrogen main pipeline is used for respectively conveying dry nitrogen to the humidifying nitrogen pipeline and the dry nitrogen pipeline, the humidifying nitrogen pipeline is used for introducing the dry nitrogen into the humidifying water tank for humidification, the humidified wet nitrogen is discharged from the upper part of the humidifying water tank, the dry nitrogen pipeline penetrates through the humidifying water tank and exchanges heat with hot water in the humidifying water tank, the humidifying nitrogen pipeline and the dry nitrogen pipeline are converged into the mixing pipeline, the mixing pipeline is used for conveying the mixed nitrogen to the heating pipeline for heating, and the output end of the heating pipeline is connected with the furnace nose. The utility model discloses take place the steam liquefaction when having avoided dry nitrogen gas and wet nitrogen gas to mix, and then control the humidity of mixed nitrogen gas better.
Description
Technical Field
The utility model relates to a steel sheet galvanization technical field, concretely relates to stove nose humidifier.
Background
Galvanized steel sheets are materials formed by compounding steel and zinc. The steel has the advantages of high toughness, can be processed into various parts, and has the defect of easy corrosion in the atmosphere. The zinc has the advantages of good corrosion resistance and low strength. Such a galvanized steel sheet combines the advantages of two materials, and a galvanized sheet formed by compounding the two materials has a wide application in the industrial fields of buildings, home appliances, automobiles, and the like, and particularly, in recent years, the galvanized steel sheet for automobiles has been vigorously developed and becomes the mainstream of automobile steel sheets.
The furnace nose is the name of equipment on a cold-rolled strip steel hot galvanizing production line, is vividly called as the furnace nose due to the shape of the furnace nose is like the nose of a elephant and is also the outlet of a continuous annealing furnace, and is key equipment influencing the surface quality of a hot galvanized plate.
The temperature of hot galvanizing zinc liquid is controlled to be about 460 ℃, the melting point of zinc is 419.53 ℃, zinc steam can be generated, zinc ash is formed on the upper plate wall when the hot galvanizing zinc liquid goes up and meets cold, and quality problems such as plating leakage or white rust can be generated when the zinc ash falls off the steel strip.
In order to inhibit the generation of zinc ash in the furnace nose of the hot galvanizing annealing furnace and improve the galvanizing quality of the surface of the strip steel, various furnace nose humidifying devices are provided, for example, the Chinese utility model patent CN209260142U discloses a humidifying device for the furnace nose of the hot galvanizing annealing furnace, a nitrogen main pipeline of the humidifying device is divided into two paths after passing through a pressure reducing valve, one path enters a nitrogen pipeline before humidification, the other path enters a dry nitrogen pipeline, and the nitrogen flow of each branch pipeline is respectively controlled and adjusted. The nitrogen pipeline before humidification is connected with the humidification tank, the introduced nitrogen is discharged from the top of the humidification tank after humidification, enters the nitrogen pipeline after humidification, is mixed with dry nitrogen in the dry nitrogen pipeline and then enters the dry-wet nitrogen mixing pipeline, the dry-wet mixed nitrogen is heated and insulated and then is sent to a working area at the lower part of the furnace nose and above the zinc liquid level of the zinc pot so as to inhibit the generation of zinc ash in the furnace nose, avoid a large amount of zinc steam from forming zinc ash after floating upwards in the furnace nose and falling onto the surface of strip steel, improve the surface quality of the strip steel, prevent the zinc steam from entering the annealing furnace and protect equipment in the furnace.
However, the temperature of water in the humidifying tank is high, the temperature of wet nitrogen formed by the humidifying tank is high, the temperature of dry nitrogen is low, and after the dry nitrogen is mixed with the wet nitrogen, water vapor in the nitrogen is rapidly cooled and liquefied, so that the water vapor in the nitrogen is reduced, and the humidity of the mixed nitrogen is not convenient to control.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a stove nose humidifier to take place the steam liquefaction when avoiding dry nitrogen gas and wet nitrogen gas to mix, and then control the humidity of mixing nitrogen gas better.
The utility model provides a stove nose humidifier, include: the humidifying water tank is internally provided with a water tank heater; the desalination water pipeline is connected with the humidification water tank and supplies water to the humidification water tank; nitrogen pipeline, the nitrogen pipeline includes nitrogen gas main line, humidification nitrogen gas pipeline, dry nitrogen gas pipeline, mixing line and heating pipeline, the nitrogen gas main line will be done the nitrogen gas and carry respectively to humidification nitrogen gas pipeline and dry nitrogen gas pipeline, the humidification nitrogen gas pipeline lets in the below water level of humidification water tank with dry nitrogen gas and carries out the humidification, and wet nitrogen gas after the humidification is followed the upper portion discharge of humidification water tank, dry nitrogen gas pipeline passes the humidification water tank and carries out the heat transfer with the hot water in the humidification water tank, humidification nitrogen gas pipeline and dry nitrogen gas pipeline converge and get into mixing line and mix, and mixing line will mix the nitrogen gas after carry to heating line and heat, the output and the stove nose of heating pipeline are connected.
Furthermore, a pressure reducing valve and a pressure stabilizing tank are connected in series on the nitrogen main pipeline.
Furthermore, a flow meter and a regulating valve are connected in series on the humidifying nitrogen pipeline.
Furthermore, the dry nitrogen pipeline comprises a main dry nitrogen pipeline which is connected with the main nitrogen pipeline and penetrates through the humidifying water tank, and two branch dry nitrogen pipelines which are connected with the tail end of the main dry nitrogen pipeline, wherein a flow meter and an adjusting valve are connected on the two branch dry nitrogen pipelines in series; the humidifying nitrogen pipeline comprises a main humidifying nitrogen pipeline which is connected with the main nitrogen pipeline and introduces dry nitrogen below the water level of the humidifying water tank for humidification, and two branch wet nitrogen pipelines which are connected with the tail end of the main humidifying nitrogen pipeline, wherein butterfly valves are connected in series on the two branch wet nitrogen pipelines; the mixing pipeline comprises a main mixing pipeline and a standby mixing pipeline which are connected in parallel, one end of the main mixing pipeline is connected with one dry nitrogen branch pipeline and one wet nitrogen branch pipeline respectively, one end of the standby mixing pipeline is connected with the other dry nitrogen branch pipeline and the other wet nitrogen branch pipeline respectively, and the tail ends of the main mixing pipeline and the standby mixing pipeline are connected with the heating pipeline respectively.
Furthermore, a mixing tank is connected in series on the main mixing pipeline and the standby mixing pipeline.
Further, the humidifying device also comprises a sewage discharge pipeline which is respectively connected with the bottom of each mixing tank and the bottom of the humidifying water tank.
Furthermore, the interior of the humidifying water tank is divided into a preheating water tank and a working water tank through a vertical partition plate, and water tank heaters are arranged at the bottoms of the preheating water tank and the working water tank.
Furthermore, the humidifying nitrogen pipeline and the dry nitrogen pipeline both penetrate into the preheating water tank from the upper part and cross the vertical partition plate to the working water tank from the lower part, and the dry nitrogen pipeline penetrates out of the working water tank.
Furthermore, the heating pipeline comprises a plurality of heating branch pipelines connected in parallel, and each heating branch pipeline is sequentially connected with a butterfly valve, a mixed nitrogen heater and a butterfly valve in series.
Further, a pressure release valve is arranged at the top of the humidifying water tank.
The utility model has the advantages that: the dry nitrogen conveyed by the nitrogen main pipeline is divided into two paths, one path of dry nitrogen enters the humidifying nitrogen pipeline, the humidifying nitrogen pipeline introduces the dry nitrogen below the water level of the humidifying water tank for humidification, the dry nitrogen is discharged from the upper part of the humidifying water tank after being humidified by the nitrogen, the other path of dry nitrogen enters the dry nitrogen pipeline, hot water in the humidifying water tank heats the dry nitrogen passing through the dry nitrogen pipeline, the temperature of the dry nitrogen is close to that of the wet nitrogen, then the heated dry nitrogen and the humidified wet nitrogen are converged and enter the mixing pipeline for mixing, and the mixed dry and wet mixed nitrogen is heated by the heating pipeline and then is sent to the furnace nose so as to inhibit the generation of zinc ash in the furnace nose. This application heats the dry nitrogen pipeline through the temperature of humidification water tank for the temperature of dry nitrogen gas and wet nitrogen gas is close, thereby has avoided taking place the steam liquefaction when dry nitrogen gas mixes with wet nitrogen gas, and then controls the humidity of mixing nitrogen gas better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure, 10-a humidification water tank; 11-a water tank heater; 12-vertical partition boards; 13-preheating a water tank; 14-a working water tank; 15-pressure relief valve; 20-a desalted water line; 30-nitrogen main line; 31-a pressure reducing valve; 32-a surge tank; 40-humidified nitrogen line; 41-a main humidifying nitrogen pipeline; 42-wet nitrogen branch line; 50-dry nitrogen line; 51-main dry nitrogen line; 52-dry nitrogen branch line; 60-a mixing line; 61-main mixing line; 62-spare mixing line; 63-mixing tank; 70-heating the pipeline; 71-heating branch pipes; 72-Mixed Nitrogen Heater; 80-a flow meter; 90-regulating valve; 100-a butterfly valve; 110-blowdown line.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following embodiments are merely used to more clearly illustrate the technical solutions of the present embodiments, and therefore, the following embodiments are only used as examples, and the protection scope of the present embodiments is not limited thereby.
As shown in fig. 1, the embodiment of the present invention provides a furnace nose humidifier, which includes a humidification water tank 10, a desalination water pipeline 20 and a nitrogen pipeline.
A water tank heater 11 is arranged in the humidification water tank 10 and used for heating water in the humidification water tank 10, and a pressure release valve 15 is arranged at the top of the humidification water tank 10 and used for controlling the air pressure in the humidification water tank 10 within a safe range.
The desalination water line 20 is connected to the humidification water tank 10 to supply water thereto.
The nitrogen pipeline comprises a nitrogen main pipeline 30, a humidifying nitrogen pipeline 40, a dry nitrogen pipeline 50, a mixing pipeline 60 and a heating pipeline 70, the dry nitrogen is respectively conveyed to the humidifying nitrogen pipeline 40 and the dry nitrogen pipeline 50 by the nitrogen main pipeline 30, the dry nitrogen is introduced below the water level of the humidifying water tank 10 by the humidifying nitrogen pipeline 40 for humidification, the humidified wet nitrogen is discharged from the upper part of the humidifying water tank 10, the dry nitrogen pipeline 50 penetrates through the humidifying water tank 10 and exchanges heat with hot water in the humidifying water tank 10, the humidifying nitrogen pipeline 40 and the dry nitrogen pipeline 50 are converged into the mixing pipeline 60 for mixing, the mixed nitrogen is conveyed to the heating pipeline 70 by the mixing pipeline 60 for heating, and the output end of the heating pipeline 70 is connected with the furnace nose.
The dry nitrogen conveyed by the nitrogen main pipeline 30 is divided into two paths, one path enters the humidifying nitrogen pipeline 40, the humidifying nitrogen pipeline 40 introduces the dry nitrogen below the water level of the humidifying water tank 10 for humidification, the nitrogen is discharged from the upper part of the humidifying water tank 10 after humidification, the other path enters the dry nitrogen pipeline 50, hot water in the humidifying water tank 10 heats the dry nitrogen passing through the dry nitrogen pipeline 50, the temperature of the dry nitrogen is close to that of the wet nitrogen, then the heated dry nitrogen and the humidified wet nitrogen are converged and enter the mixing pipeline 60 for mixing, and the mixed dry and wet mixed nitrogen is heated by the heating pipeline 70 and then is sent to the nose of the furnace to inhibit the generation of zinc ash in the nose of the furnace. This application heats dry nitrogen pipeline 50 through the temperature of humidification water tank 10 for the temperature of dry nitrogen gas and wet nitrogen gas is close, thereby has avoided taking place the steam liquefaction when dry nitrogen gas mixes with wet nitrogen gas, and then controls the humidity of mixing nitrogen gas better.
In this embodiment, a pressure reducing valve 31 and a surge tank 32 are connected in series to the nitrogen gas main line 30, the pressure reducing valve 31 reduces the pressure of the input high-pressure nitrogen gas, and the surge tank 32 has a function of stabilizing the pressure of the nitrogen gas.
In the present embodiment, a flow meter 80 and a regulating valve 90 are connected in series to the humidified nitrogen line 40. The dry nitrogen pipeline 50 comprises a main dry nitrogen pipeline 51 which is connected with the main nitrogen pipeline 30 and passes through the humidifying water tank 10, and two branch dry nitrogen pipelines 52 which are connected with the tail end of the main dry nitrogen pipeline 51, wherein the two branch dry nitrogen pipelines 52 are both connected in series with a flowmeter 80 and an adjusting valve 90; the humidifying nitrogen pipeline 40 comprises a humidifying nitrogen main pipeline 41 which is connected with the nitrogen main pipeline 30 and introduces dry nitrogen below the water level of the humidifying water tank 10 for humidifying, and two humidifying nitrogen branch pipelines 42 which are connected with the tail end of the humidifying nitrogen main pipeline 41, wherein butterfly valves 100 are connected on the two humidifying nitrogen branch pipelines 42 in series; the mixing pipeline 60 includes a main mixing pipeline 61 and a standby mixing pipeline 62 connected in parallel, one end of the main mixing pipeline 61 is connected to one of the dry nitrogen branch pipelines 52 and the wet nitrogen branch pipeline 42, one end of the standby mixing pipeline 62 is connected to the other of the dry nitrogen branch pipeline 52 and the wet nitrogen branch pipeline 42, and the ends of the main mixing pipeline 61 and the standby mixing pipeline 62 are connected to the heating pipeline 70.
The dew point in the furnace nose can be controlled to meet the process requirements by adjusting the mixing proportion and flow of the dry nitrogen and the wet nitrogen, which belongs to the conventional technical means in the field and the prior art, and is not described herein.
By providing the main mixing line 61 and the spare mixing line 62, the main mixing line 61 is normally used for mixing dry nitrogen and wet nitrogen, and when the main mixing line 61 fails, the main mixing line 61 can be closed and the spare mixing line 62 is activated for mixing dry nitrogen and wet nitrogen.
More preferably, the main mixing pipeline 61 and the spare mixing pipeline 62 are all connected in series with a mixing tank 63, and dry nitrogen and wet nitrogen are mixed in the mixing tank 63 to generate condensed water in time, and the condensed water can be accumulated in the mixing tank 63 and discharged periodically, so that the condensed water can be prevented from flowing into a furnace nose, and the safe operation of production is ensured.
In addition, the present embodiment further includes a drain line 110, and the drain line 110 is connected to the bottom of each mixing tank 63 and the bottom of the humidification water tank 10, respectively, so that the sewage in the mixing tank 63 and the humidification water tank 10 can be drained through the drain line 110.
In this embodiment, the inside of the humidification water tank 10 is divided into a preheating water tank 13 and a working water tank 14 by a vertical partition plate 12, and the bottoms of the preheating water tank 13 and the working water tank 14 are both provided with a water tank heater 11, so that the problem of large fluctuation of water temperature in the humidification water tank 10 is avoided during water supply, and the humidification effect and the control precision are ensured.
Preferably, the humidifying nitrogen pipeline 40 and the dry nitrogen pipeline 50 both penetrate into the preheating water tank 13 from the upper part and cross the vertical partition plate 12 to the working water tank 14 from the lower part, the dry nitrogen pipeline 50 penetrates out of the working water tank 14, the humidifying nitrogen pipeline 40 and the dry nitrogen pipeline 50 are preheated by the preheating water tank 13 firstly and then heated by the working water tank 14, and the dry nitrogen and the wet nitrogen are ensured to be sufficiently heated, so that the temperature of the dry nitrogen and the temperature of the wet nitrogen are close to the water temperature in the working water tank 14.
In the present embodiment, the heating pipeline 70 includes a plurality of parallel heating branch pipelines 71, and each heating branch pipeline 71 is sequentially connected in series with a butterfly valve 100, a mixed nitrogen heater 72, and a butterfly valve 100. By arranging a plurality of heating branch pipelines 71, one, two or more heating branch pipelines 71 can be selected to heat the dry-wet mixed nitrogen according to actual needs, so as to ensure that the dew point temperature of the furnace nose is stably kept in a required range.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present embodiment, and not for limiting the same; although the present embodiment has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solutions of the embodiments of the present embodiment, and all of them should be covered in the claims and the specification of the present embodiment.
Claims (10)
1. A furnace nose humidifier, comprising:
the humidifying water tank is internally provided with a water tank heater;
the desalination water pipeline is connected with the humidification water tank and supplies water to the humidification water tank;
nitrogen pipeline, the nitrogen pipeline includes nitrogen gas main line, humidification nitrogen gas pipeline, dry nitrogen gas pipeline, mixing line and heating pipeline, the nitrogen gas main line will be done the nitrogen gas and carry respectively to humidification nitrogen gas pipeline and dry nitrogen gas pipeline, the humidification nitrogen gas pipeline lets in the below water level of humidification water tank with dry nitrogen gas and carries out the humidification, and wet nitrogen gas after the humidification is followed the upper portion discharge of humidification water tank, dry nitrogen gas pipeline passes the humidification water tank and carries out the heat transfer with the hot water in the humidification water tank, humidification nitrogen gas pipeline and dry nitrogen gas pipeline converge and get into mixing line and mix, and mixing line will mix the nitrogen gas after carry to heating line and heat, the output and the stove nose of heating pipeline are connected.
2. The furnace nose humidifier of claim 1, wherein a pressure reducing valve and a pressure stabilizing tank are connected in series to the nitrogen main line.
3. The furnace nose humidifier according to claim 1, wherein a flow meter and an adjusting valve are connected in series to the humidification nitrogen gas line.
4. The furnace nose humidifier according to claim 3, wherein the dry nitrogen pipeline comprises a main dry nitrogen pipeline connected with the main nitrogen pipeline and penetrating through the humidifying water tank, and two branch dry nitrogen pipelines connected with the tail end of the main dry nitrogen pipeline, and a flow meter and a regulating valve are connected in series on each of the two branch dry nitrogen pipelines; the humidifying nitrogen pipeline comprises a main humidifying nitrogen pipeline which is connected with the main nitrogen pipeline and introduces dry nitrogen below the water level of the humidifying water tank for humidification, and two branch wet nitrogen pipelines which are connected with the tail end of the main humidifying nitrogen pipeline, wherein butterfly valves are connected in series on the two branch wet nitrogen pipelines; the mixing pipeline comprises a main mixing pipeline and a standby mixing pipeline which are connected in parallel, one end of the main mixing pipeline is connected with one dry nitrogen branch pipeline and one wet nitrogen branch pipeline respectively, one end of the standby mixing pipeline is connected with the other dry nitrogen branch pipeline and the other wet nitrogen branch pipeline respectively, and the tail ends of the main mixing pipeline and the standby mixing pipeline are connected with the heating pipeline respectively.
5. The furnace nose humidifier of claim 4, wherein a mixing tank is connected in series to both the main mixing line and the spare mixing line.
6. The furnace nose humidifier of claim 5, further comprising a drain line connected to the bottom of each mixing tank and the humidification water tank, respectively.
7. The furnace nose humidifier according to claim 1, wherein the interior of the humidification water tank is divided into a preheating water tank and a working water tank by a vertical partition plate, and water tank heaters are provided at the bottoms of the preheating water tank and the working water tank.
8. The furnace nose humidifier according to claim 7, wherein the humidified nitrogen line and the dry nitrogen line both pass from the upper portion into the preheating water tank and from the lower portion across the vertical partition to the working water tank, and the dry nitrogen line passes out from the working water tank.
9. The furnace nose humidifier according to claim 1, wherein the heating pipeline comprises a plurality of heating branch pipelines connected in parallel, and a butterfly valve, a mixed nitrogen heater and a butterfly valve are sequentially connected in series on each heating branch pipeline.
10. The furnace nose humidifier of claim 1, wherein a pressure relief valve is provided at the top of the humidification water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020667052.5U CN211972401U (en) | 2020-04-27 | 2020-04-27 | Stove nose humidifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020667052.5U CN211972401U (en) | 2020-04-27 | 2020-04-27 | Stove nose humidifier |
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| CN211972401U true CN211972401U (en) | 2020-11-20 |
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| CN202020667052.5U Active CN211972401U (en) | 2020-04-27 | 2020-04-27 | Stove nose humidifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111304424A (en) * | 2020-04-27 | 2020-06-19 | 唐山曹妃甸区首燕机械有限公司 | Stove nose humidifier |
| CN113512634A (en) * | 2021-03-31 | 2021-10-19 | 首钢京唐钢铁联合有限责任公司 | Annealing furnace pre-oxidation equipment and method |
-
2020
- 2020-04-27 CN CN202020667052.5U patent/CN211972401U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111304424A (en) * | 2020-04-27 | 2020-06-19 | 唐山曹妃甸区首燕机械有限公司 | Stove nose humidifier |
| CN113512634A (en) * | 2021-03-31 | 2021-10-19 | 首钢京唐钢铁联合有限责任公司 | Annealing furnace pre-oxidation equipment and method |
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