KR940008219Y1 - Dryer of Continuous Zinc Plating Equipment - Google Patents
Dryer of Continuous Zinc Plating Equipment Download PDFInfo
- Publication number
- KR940008219Y1 KR940008219Y1 KR92017513U KR920017513U KR940008219Y1 KR 940008219 Y1 KR940008219 Y1 KR 940008219Y1 KR 92017513 U KR92017513 U KR 92017513U KR 920017513 U KR920017513 U KR 920017513U KR 940008219 Y1 KR940008219 Y1 KR 940008219Y1
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- South Korea
- Prior art keywords
- dryer
- air
- strip
- temperature
- high temperature
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims description 5
- 238000007747 plating Methods 0.000 title claims description 5
- 239000011701 zinc Substances 0.000 title claims description 5
- 229910052725 zinc Inorganic materials 0.000 title claims description 5
- 238000011084 recovery Methods 0.000 claims description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 239000011651 chromium Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 4
- 239000000243 solution Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005246 galvanizing Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/007—After-treatment
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
내용 없음.No content.
Description
제1도는 본 고안에 따라 고온의 건조공기 회수관이 갖춰진 상태를 도시한 건조기의 전체 구성도.1 is an overall configuration diagram of a dryer showing a state where a high temperature dry air recovery tube is equipped according to the present invention.
제2도는 본 고안에 따른 건조공기회수관의 전체 구성도.2 is an overall configuration diagram of a dry air recovery pipe according to the present invention.
제3도는 종래기술에 따른 건조기의 전체구성도.3 is an overall configuration diagram of a dryer according to the prior art.
제4도는 본 고안과 종래기술에 따른 건조기에서 내부 온도와 스트립의 온도를 차례로 도시한 그래프이다.Figure 4 is a graph showing the internal temperature and the temperature of the strip in sequence in the dryer according to the present invention and the prior art.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
10 : 고온공기 회수관 15 : 사각덕트(Duct)10: high temperature air recovery pipe 15: square duct (Duct)
20 : 차단밸브(Shut off valve) 110 : 모터(Motor)20: Shut off valve 110: Motor
115 : 송풍기(Blower) 120 : 외부공기흡입관115: Blower 120: External air suction pipe
125 : 증기열교환기(Steam heat exchanger) 140 : 외피125: steam heat exchanger 140: shell
S : 스트립 A1: 대기S: strip A 1 : atmosphere
본 고안은 아연도금처리 설비에서 스트립(Strip)의 표면에 부착된 크롬 용액(CrO3)을 응고시키는 건조기(Dryer)에 관한 것으로, 보다 상세히는 고온으로 가열된 상태에서 스트립의 표면에 분사된 건조공기를 회수하여 재순환시킴으로서 내부온도를 향상시키고, 설비효율을 제고(提高)시킨 연속아연도금 설비의 건조기(Dryer)에 관한 것이다.The present invention relates to a dryer for solidifying a chromium solution (CrO 3 ) adhered to the surface of a strip in a galvanizing treatment facility, and more particularly, the drying sprayed on the surface of a strip under a high temperature. The present invention relates to a dryer of a continuous zinc plating apparatus that improves internal temperature and improves equipment efficiency by recovering and recycling air.
일반적으로 건조기(100)는 제3도에 도시된 바와같이 전기모터(110)에 의해 구동되는 송풍기(115)에 의해 외부공기 흡입관(120)을 통해 저온의 대기(A1)를 흡입하고, 상기 대기(A1)는 송풍기(115)후방에 위치된 증기열교환기(125)에서 고온의 대기(Al')가 되며, 상기 증기 열교환기(125)의 후방에 위치된 건조공기 공급부(130)의 노즐을 통해 스트립(S)의 전, 후면에 고온의 건조공기(A1')를 분사시키며, 건조공기 공급부(130)는 일정크기의 외피(140) 내부에 위치되어 있다. 따라서, 송풍기(115)에 의해 내부로 흡입된 대기(A1)는 증기열교환기(125)를 거치면서 대략100℃의 고온의 건조공기(A1')로 가열되는 바, 상기 증기 열교환기(125)에는 고온의 건조증기가 유입되어 코일(coil)형의 열교환관(127)를 통해 배출되는 것이다.In general, the dryer 100 sucks low-temperature atmosphere A 1 through the external air suction pipe 120 by the blower 115 driven by the electric motor 110, as shown in FIG. The atmosphere A 1 becomes a high temperature atmosphere Al ′ in the steam heat exchanger 125 located behind the blower 115, and the dry air supply unit 130 located behind the steam heat exchanger 125. Spraying the high-temperature dry air (A 1 ') to the front, back of the strip (S) through the nozzle, the dry air supply 130 is located inside the outer shell 140 of a predetermined size. Therefore, the atmosphere A 1 sucked into the inside by the blower 115 is heated by the high temperature dry air A1 ′ at about 100 ° C. while passing through the steam heat exchanger 125. ) Is a high temperature dry steam is introduced and is discharged through the coil-type heat exchange tube (127).
즉, 상기와 같이 건조 가열된 공기(A1')는 건조공기공급부(130)의 분사노즐(N)을 통해 각각 외피(140) 내부에서 스트립(S)을 건조시키게 된다.That is, the air (A 1 ') is dry-heated as described above to dry the strips (S) in the shell (140), respectively, through the injection nozzle (N) of the dry air supply unit 130.
한편, 상기 스트립(S)의 전, 후 표면에서는 건조기(100)로 진입되기 전에 스트립(S)의 부식을 방지하기 위해 도포된 크롬용액(CrO3)이 고온의 건조공기(A1')에 의해 수분이 증발되어 응고하게 되는바, 이때, 건조기(100)의 외피(140) 내부의 온도는 크롬용액의 응고작용에 결정적인 역활을 하는 것이다. 그런데, 상기와 같은 종래의 건조기(100)는 대략 100℃인 고온의 공기를 공급하여 대부분의 크롬용액을 응고시키고 있지만, 만족할만한 효과가 얻어지지 못하고 있는 것이었다. 즉, 일부 스트립(S)의 표면에서는 미응고된 상태의 크롬용액이 잔류함으로서 표면품질을 저하시키는 문제점을 초래하였다. 이러한 문제점을 해소하기 위하여 열교환기의 용량을 크게하고, 공급되는 증기(Steam)의 양을 증가시켜 건조공기의 온도를 향상시키는 방안이 제시되었지만, 이는설비를 개선하는데에 투자비가 과도하게 소요되고, 소모되는 증기량이 증가함으로서 생산원가가 증가되기 때문에 바람직하지 못한 것이었다.On the other hand, before and after the surface of the strip (S), the chromium solution (CrO 3 ) coated to prevent corrosion of the strip (S) before entering the dryer (100) to the high temperature dry air (A 1 ') The water is evaporated to solidify by the bar, at this time, the temperature inside the shell 140 of the dryer 100 plays a crucial role in the coagulation action of the chromium solution. By the way, the conventional dryer 100 as described above solidifies most of the chromium solution by supplying high temperature air at approximately 100 ° C, but a satisfactory effect has not been obtained. That is, the surface of some strips (S) is left in the unsolidified chromium solution, causing a problem of deteriorating the surface quality. In order to solve this problem, a method of increasing the capacity of the heat exchanger and increasing the amount of steam supplied to improve the temperature of the dry air has been proposed, but it requires excessive investment to improve the equipment. This was undesirable because the cost of production increased by increasing the amount of steam consumed.
본 고안은 상기와 같은 종래의 문제점을 해소하기 위하여 안출된 것으로서, 별도의 과도한 설비투자비가 소요되지 않고, 과도한 증기사용으로 인한 생산원가의 상승없이 고온의 건조공기 온도를 효과적으로 상승시켜 설비의 효율성을 제고하도록 된 아연도금 설비의 건조기를 제공함에 그 목적이 있다.The present invention was devised to solve the conventional problems as described above, and does not require a separate excessive capital investment cost, and effectively increases the temperature of the high temperature dry air without raising the production cost due to excessive use of steam, thereby improving the efficiency of the facility. The purpose is to provide a dryer in a galvanizing installation that is intended to be upgraded.
상기 목적을 달성하기 의하여 본 고안은, 일측이 외피의 상부면에 연결되고, 중간에는 차단밸브를 갖추며, 타측이 외부 공기 흡입관에 연결되는 고온공기 회수관이 마련되어 스트립의 전, 후면에 분사된 고온의 공기를 재순환시켜 스트립을 건조, 가열시키도록 된 연속아연 도금설비의 건조기에 관한 것이다.The present invention by achieving the above object, one side is connected to the upper surface of the outer shell, the middle is equipped with a shutoff valve, the other side is provided with a high temperature air recovery pipe is connected to the external air intake pipe, the high temperature sprayed on the front, rear of the strip It relates to a dryer of a continuous zinc plating equipment configured to recirculate air to dry and heat strips.
이하, 본 고안을 도면에 따라 보다 상세히 설명한다.Hereinafter, the present invention will be described in more detail with reference to the drawings.
본 고안은 건조기(1)는 종래의 건조기(100)에 비하여 제1및 제2도에 도시된 바와 같은 고온공기회수관(10)을 더 갖추고 있다. 상기 고온공기회수관(10)은 일측이 외피(140)의 상부면(140a)에 관통연결되는 사각덕트(Duct)(15)를 갖추고, 중간부분에는 차단밸브(20)를 갖추는 한편, 타측단부는 외부공기 흡입관(120)의 차단밸브(30) 하부측에 연결된다.According to the present invention, the dryer 1 further includes a high temperature air recovery pipe 10 as shown in FIGS. 1 and 2 as compared to the conventional dryer 100. The high temperature air recovery pipe 10 has a square duct (Duct) 15, one side of which is connected through the upper surface 140a of the outer shell 140, the middle portion is provided with a shut-off valve 20, the other end Is connected to the lower side of the shut-off valve 30 of the external air intake pipe 120.
상기와 같이 구성된 본 고안의 건조기(1)는 종래와 같이 송풍기(115)가 외부 공기 흡입관(120)을 통해 대기(A1)를 증기열교환기(125)로 공급하고, 상기 증기 열교환기(125)에서 대략100℃로 가열, 건조된 공기가 건조공기 공급부(130)의 노즐(N)을 통해 스트립(S)에 분사되는 경우, 상기 스트립(S)을 건조, 가열시킨 고온의공기는 외피(140)의 상부면(140a)에 연결된 사각덕트(15)를 통해 상부로 인출되고, 차단밸브(20)가 열려진 상태에서 고온 공기 회수관(10)을 통해 외부공기 흡입관(120)으로 유도된다. 따라서, 이때부터는 송풍기(115)에 의해 증기열교환기(125)로 공급되는 공기는 대기(A1)와 상기 고온공기 회수관(10)을 통해 재순환되는 고온의 공기(A2)가 혼합된 상태로 된다.Dryer 1 of the present invention configured as described above is a blower 115, as conventionally supplies the atmosphere (A 1 ) to the steam heat exchanger 125 through the external air intake pipe 120, the steam heat exchanger 125 When the air heated and dried at approximately 100 ° C. is injected into the strip S through the nozzle N of the dry air supply unit 130, the hot air dried and heated to the strip S It is drawn upward through the square duct 15 connected to the upper surface 140a of the 140, and is led to the external air suction pipe 120 through the hot air recovery pipe 10 while the shutoff valve 20 is open. Therefore, from this time, the air supplied to the steam heat exchanger 125 by the blower 115 is mixed with the air A 1 and the high temperature air A 2 recycled through the hot air recovery pipe 10. It becomes
결과적으로 증기열교환기(125)로 공급되는 공기(A1+A2)는 다량의 재순환되는 고온의 공기(A2)를 포함하고있기 때문에 저온인 대기(A1)보다는 매우 온도가 높게 되고, 증기열교환기(125)를 거치는 경우에 온도는 대략130℃-150℃ 까지 쉽게 상승되며, 종래의 고온공기(A1')보다 높은 온도의 고온공기(A3)를 쉽게 생산하게 된다.As a result, the air (A 1 + A 2 ) supplied to the steam heat exchanger 125 has a much higher temperature than the low temperature (A 1 ) because it contains a large amount of recirculated hot air (A 2 ), In the case of passing through the steam heat exchanger 125, the temperature is easily increased to about 130 ° C.-150 ° C., thereby easily producing high temperature air A 3 having a higher temperature than the conventional high temperature air A 1 ′.
따라서 이러한 고온의 공기(A3)는 종래보다는 스트립(S)을 보다 효과적으로 건조시킬 수가 있다. 또한 작업자가 공기의 온도를 조절하고자 하는 경우에는 차단밸브(20)(30)의 개폐정도를 각각 조절하여 쉽게 공기의 온도를 조절할 수 있게 된다.Therefore, such hot air A 3 can dry the strip S more effectively than in the prior art. In addition, when the operator wants to adjust the temperature of the air, it is possible to easily control the temperature of the air by adjusting the opening and closing degree of the shutoff valves 20 and 30, respectively.
즉, 차단밸브(20)를 차단밸브(30) 보다 많이 열게 되면 상대적으로 재순환되는 고온의 공기(A2)량이 많아지기 때문에 스트립(S)에 분사되는 건조, 가열공기의 온도(A3)를 상승시킬 수가 있고, 이와 반대의 경우에는건조, 가열 공기의 온도(A3)를 하강시킬 수가 있다. 이는 건조시키고자 하는 스트립(S)의 폭(width)이 각각다를 수가 있기 때문에 공급되는 건조, 가열공기의 온도(A3)를 조정하고자 하는 경우에 사용되면 매우 유익하다.That is, when the shutoff valve 20 is opened more than the shutoff valve 30, the amount of hot air A 2 that is relatively recycled increases, so that the temperature of the dry and heated air A 3 sprayed onto the strip S is increased. In the opposite case, the temperature A 3 of drying and heating air can be lowered. This is very advantageous when used to adjust the temperature of the supplied drying and heating air A 3 because the width of the strip S to be dried may be different.
제4도에는 본 고안에 따라서 얻어진 건조기(1)의 외피(140) 내부의 온도와 스트립(S)의 온도분포가 종래기술과 비교하여 도시되어 있다, 제4도에서 쉽게 알 수 있는 바와 같이 본 고안에 의하면, 동일한 용량의 증기열교환기(125)와 송풍기(115)를 사용하는 경우에도, 종래보다는 현저히 건조기(1) 외피(140) 내부의 온도가 상승되었고, 이에 따라 스트립(S)의 온도도 상승되어 크롬용액(CrO3)의 완전한 응고효과를 거두었다. 따라서, 본 고안은 매우 간단한 구조에 의해서 건조기의 성능을 현저히 향상시킬 수 있어 원가절감을 물론, 스트립의 부식을 방지하여 제품의 품질을 향상시킬 수 있는 실용상의 효과를 얻게 된다.4 shows the temperature distribution inside the shell 140 of the dryer 1 and the temperature distribution of the strip S in accordance with the present invention as compared to the prior art, as can be readily seen in FIG. According to the present invention, even in the case of using the same capacity of the steam heat exchanger 125 and the blower 115, the temperature of the inside of the dryer (1) shell 140 is significantly increased than before, and thus the temperature of the strip (S) It was also elevated to achieve a complete coagulation effect of the chromium solution (CrO 3 ). Therefore, the present invention can significantly improve the performance of the dryer by a very simple structure, cost reduction, as well as to obtain a practical effect of preventing the corrosion of the strip to improve the quality of the product.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR92017513U KR940008219Y1 (en) | 1992-09-16 | 1992-09-16 | Dryer of Continuous Zinc Plating Equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR92017513U KR940008219Y1 (en) | 1992-09-16 | 1992-09-16 | Dryer of Continuous Zinc Plating Equipment |
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| Publication Number | Publication Date |
|---|---|
| KR940007742U KR940007742U (en) | 1994-04-15 |
| KR940008219Y1 true KR940008219Y1 (en) | 1994-12-05 |
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| KR92017513U Expired - Fee Related KR940008219Y1 (en) | 1992-09-16 | 1992-09-16 | Dryer of Continuous Zinc Plating Equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100829935B1 (en) * | 2001-10-31 | 2008-05-16 | 주식회사 포스코 | Drying equipment on organic coated strip surface |
-
1992
- 1992-09-16 KR KR92017513U patent/KR940008219Y1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR940007742U (en) | 1994-04-15 |
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