TW201410345A - Method and device for dynamically supplying coolant to a cooling device for cooling metal strip or other rolled stock - Google Patents

Method and device for dynamically supplying coolant to a cooling device for cooling metal strip or other rolled stock Download PDF

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Publication number
TW201410345A
TW201410345A TW102125196A TW102125196A TW201410345A TW 201410345 A TW201410345 A TW 201410345A TW 102125196 A TW102125196 A TW 102125196A TW 102125196 A TW102125196 A TW 102125196A TW 201410345 A TW201410345 A TW 201410345A
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Taiwan
Prior art keywords
cooling
refrigerant
spray
members
refrigerant flow
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TW102125196A
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Chinese (zh)
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TWI539998B (en
Inventor
Johannes Alken
Uwe Baumgaertel
Ulrich Cramer
Wolfgang Fuchs
Rudolf-Franz Jaeger
Jens Kiessling-Romanus
Matthias Krueger
Frank Theobald
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Sms Siemag Ag
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Publication of TWI539998B publication Critical patent/TWI539998B/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
    • B05B12/122—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to presence or shape of target
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/58—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter preventing deposits, drying-out or blockage by recirculating the fluid to be sprayed from upstream of the discharge opening back to the supplying means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/006—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/667—Quenching devices for spray quenching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/20—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0207—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/022—Cleaning travelling work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Abstract

The present invention relates to a method for dynamically supplying coolant to a cooling device, in particular at least one spray bar, for cooling metal strip or other rolled stock. According to the method, a pre-accelerated stream of coolant is provided, which passes by the cooling device (1) and is fed into a return (3). Furthermore, the presence and/or the temperature of a metal strip or other rolled stock to be cooled is monitored and, depending on the presence and/or the temperature of the metal strip or the other rolled stock, the stream of coolant is diverted to the cooling device (1), wherein, instead of passing by the cooling device (1) and being fed into a return (3), the stream of coolant is fed to the cooling device (1) for cooling the metal strip or the other rolled stock. The present invention also comprises a corresponding device for carrying out the method.

Description

將利用冷媒冷卻金屬帶或其他滾壓物的冷卻裝置作動態供應的方法與裝置 Method and apparatus for dynamically supplying a cooling device using a refrigerant to cool a metal strip or other rolling material

本發明係有關於一種將利用冷媒冷卻金屬帶或其他滾壓物的冷卻裝置作動態供應的方法與裝置。該冷卻裝置特定言之可包括一或多個噴射條。 The present invention relates to a method and apparatus for dynamically supplying a cooling device that uses a refrigerant to cool a metal strip or other rolling material. The cooling device may specifically include one or more spray bars.

先前技術中已公開多種用高架水箱中的冷卻水來在熱軋機中實施層流冷卻或壓力冷卻的系統。需要使用大量冷卻水來冷卻高溫滾壓物，以便根據成品的具體要求來定義帶材並使其迅速冷卻。用於達到特定冷卻速度之水量的流速通常為每小時數百乃至數千立方米。例如用可被相應閥關斷之傳輸系統來將如此大量的水從高架水箱傳輸至噴射條。 A variety of systems for performing laminar cooling or pressure cooling in a hot rolling mill using cooling water in an overhead tank have been disclosed in the prior art. A large amount of cooling water is required to cool the high temperature rolls to define the strip and cool it rapidly according to the specific requirements of the finished product. The flow rate for the amount of water used to achieve a particular cooling rate is typically from a few hundred or even thousands of cubic meters per hour. Such a large amount of water is transferred from the overhead tank to the spray strip, for example, by a conveyor system that can be shut down by the corresponding valve.

圖1為先前技術中的此種系統之示例圖。高架水箱4所儲存的水經由管道2輸往中央分配器6。再從該共用分配器6出發經由其他管道輸往各噴射條1。但此種習知裝置存在若干缺點。現代金屬合金或鋼材必須具備較大的冷卻速度以及儘可能精確的可調節性即可控性。但此點會因所用水量極大而難以實現。特定言之，通常採用控制閥的現有方案無法以滿意的速度實施啟動及斷開操作，因此，通常需要10秒以上的冷卻啟動過 程方能達到期望的冷卻速度。但滾壓物經常以每秒數米的速度經過設備，在此情況下會有很長一段帶長未用該期望冷卻速度進行過冷卻，遂使此帶材區段之品質有所降低。 Figure 1 is an exemplary diagram of such a system in the prior art. The water stored in the overhead tank 4 is sent via line 2 to the central distributor 6. From the shared distributor 6, it is sent to the respective spray strips 1 via other pipes. However, such conventional devices have several disadvantages. Modern metal alloys or steels must have a large cooling rate and controllability as precisely as possible. However, this point is difficult to achieve due to the large amount of water used. In particular, the current solution, which usually uses a control valve, cannot perform start-up and disconnection operations at a satisfactory speed. Therefore, it usually takes more than 10 seconds to start the cooling. Cheng Fang can achieve the desired cooling rate. However, the rolling material often passes through the apparatus at a speed of several meters per second, in which case a long length of the belt is not cooled by the desired cooling rate, so that the quality of the strip section is lowered.

另一缺點在於，實施冷卻切換操作時需要對傳輸系統及冷卻設備施加大作用力。特別是在對冷卻水供應裝置進行快速切換操作時，冷卻系統存在因強壓力衝擊而受損的危險。此類尖峰壓力甚至可能導致冷卻設備及整個軋機癱瘓。 Another disadvantage is that a large force is required to be applied to the transmission system and the cooling device when performing the cooling switching operation. Especially in the case of a quick switching operation of the cooling water supply device, there is a risk that the cooling system is damaged by a strong pressure shock. Such spikes can even cause cooling equipment and the entire rolling mill.

有鑒於上述先前技術，本發明之技術目的在於提供一種改良型供應裝置，其特定言之可避免或者至少顯著降低實施啟動操作時的壓力衝擊。本發明之另一技術目的在於達到高於迄今為止的期望冷卻速度，以便最佳地為軋製帶供應冷媒。 In view of the foregoing prior art, it is a technical object of the present invention to provide an improved supply apparatus that specifically avoids or at least significantly reduces the pressure shock when performing a start-up operation. Another technical object of the present invention is to achieve a desired cooling rate that is higher than hitherto to optimally supply the refrigerant to the rolling belt.

本發明用以達成上述技術目的之解決方案為如申請專利範圍第1項之將利用冷媒冷卻金屬帶或其他滾壓物的冷卻裝置，特別是至少一噴射條作動態供應的方法。該方法至少包括提供一經預加速即流動之冷媒流量的步驟，其中，該冷媒流量繞過該冷卻裝置並輸入一回流管；另一步驟係對待冷卻金屬帶或其他滾壓物的存在狀況及/或溫度進行監測。本發明係根據該金屬帶或該其他滾壓物的存在狀況及/或溫度來將該經預加速之冷媒流量轉向即偏轉至該冷卻裝置，其中，該冷媒流量並非繞開該冷卻裝置並輸入一回流管，而是以經預加速的方式輸往該用於冷卻該金屬帶或該其他滾壓物的冷卻裝置。 The solution to achieve the above technical object of the present invention is a cooling device for cooling a metal belt or other rolling material by a refrigerant, in particular, a method of dynamically supplying at least one spray strip, as in the first aspect of the patent application. The method includes at least the step of providing a pre-accelerated, ie, flowing, refrigerant flow, wherein the refrigerant flow bypasses the cooling device and is input to a return line; and the other step is the presence of a metal strip or other rolled material to be cooled and/or Or temperature monitoring. According to the present invention, the pre-accelerated refrigerant flow is deflected or deflected to the cooling device according to the presence and/or temperature of the metal strip or the other rolled material, wherein the refrigerant flow is not bypassed and input A return line is supplied to the cooling device for cooling the metal strip or the other roll in a pre-accelerated manner.

對冷媒進行預加速以及使該經預加速之冷媒流量轉向即 偏轉，可避免或者顯著降低針對設備部件的壓力衝擊。此外還能大幅提高冷卻的反應速度。轉向操作的時間可遠少於將一遠處之靜止式水量加速的時間。此外還能更快且更精確地達到或調節至期望的冷卻速度。從而在整體上提高所用之體積流量的可調節性。 Pre-accelerating the refrigerant and turning the pre-accelerated refrigerant flow The deflection can avoid or significantly reduce the pressure shock to the components of the device. In addition, the reaction speed of cooling can be greatly increased. The steering operation can be much less time than the acceleration of a remote stationary water volume. In addition, it can be reached or adjusted to the desired cooling rate faster and more accurately. Thereby, the adjustability of the volume flow used is improved as a whole.

根據一種較佳實施方式，該經預加速之冷媒流量在繞開該冷卻裝置時的壓力損失與在該經預加速之冷媒流量輸往該冷卻裝置時的壓力損失之差別小於50%，較佳小於20%，或者甚至小於10%。該二值較佳大致相等。如此便能在使該冷媒流量轉向以將該冷媒流量輸往該冷卻裝置的過程中，透過使該冷媒流量轉向來避免壓力衝擊。換言之，繞開與輸往該冷卻裝置時的冷媒流量動之流動阻力大致相等，或者差別小於前述範圍。 According to a preferred embodiment, the difference between the pressure loss of the pre-accelerated refrigerant flow when bypassing the cooling device and the pressure loss when the pre-accelerated refrigerant flow is delivered to the cooling device is less than 50%, preferably Less than 20%, or even less than 10%. The two values are preferably approximately equal. In this way, in the process of turning the refrigerant flow rate to the refrigerant flow rate to the cooling device, the pressure shock can be avoided by turning the refrigerant flow rate. In other words, the flow resistance of the refrigerant flow when it is bypassed to the cooling device is substantially equal, or the difference is smaller than the aforementioned range.

轉向過程之持續時間較佳小於5s，或者甚至小於1.5s。採用該等相對較短的切換時間時，本發明之方法的優勢特別明顯。 The duration of the steering process is preferably less than 5 s, or even less than 1.5 s. The advantages of the method of the invention are particularly pronounced when such relatively short switching times are employed.

根據一種較佳實施方式，在該冷卻裝置(1)上游方向小於5m，較佳小於1m的範圍內使該冷媒流量轉向(以便儘量縮短該冷媒流量在該轉向(5)之地點與該用於冷卻該帶材之冷卻裝置(1)之排出口(7)之間的距離)。 According to a preferred embodiment, the flow of the refrigerant is diverted within a range of less than 5 m, preferably less than 1 m, upstream of the cooling device (1) (to minimize the flow of the refrigerant at the location of the steering (5) and the Cooling the distance between the discharge ports (7) of the cooling device (1) of the strip).

根據另一較佳實施方式，該冷媒之待轉向體積流量即該冷媒流量大於150m3/h，較佳大於400m3/h。針對如此之大的體積流量，本發明的優勢特別明顯。 According to another preferred embodiment, the coolant volume flow i.e. the steering to be the flow rate of refrigerant is greater than 150m 3 / h, preferably greater than 400m 3 / h. The advantages of the invention are particularly pronounced for such large volumetric flows.

本發明亦有關於一種用於冷卻金屬帶的裝置，較佳用於實施前述申請專利範圍中任一項之方法。該裝置包括一用於冷卻金屬帶或其他滾壓物的冷卻裝置，該冷卻裝置包括至少一噴射條，該噴射條具有將該 冷媒釋放至該金屬帶的冷媒排出口。該裝置還包括將冷媒流量自冷媒源輸往該噴射條的傳輸構件，以及將該冷媒流量自該等傳輸構件輸入一回流管的繞行構件。該裝置之可切換轉向構件構建為，可切換地將流過該等傳輸構件的冷媒流量輸往該噴射條或者使該冷媒流量自該等傳輸構件轉向至該等繞行構件。 The invention also relates to a device for cooling a metal strip, preferably for carrying out the method of any of the preceding claims. The apparatus includes a cooling device for cooling a metal strip or other rolling material, the cooling device including at least one spray strip having the The refrigerant is released to the refrigerant discharge port of the metal strip. The apparatus also includes a transfer member that delivers refrigerant flow from the refrigerant source to the spray strip, and a bypass member that directs the flow of the refrigerant from the transfer member to a return conduit. The switchable steering member of the apparatus is configured to switchably deliver refrigerant flow through the transfer members to the spray strip or to divert the refrigerant flow from the transfer members to the bypass members.

該裝置之優點與該方法之優點基本相同。 The advantages of the device are substantially the same as the advantages of the method.

根據一種較佳實施方式，該裝置可包括至少一用於對流過該等傳輸構件之冷媒流量之體積流量進行調節的閥，其中，該等轉向構件佈置於該控制閥的下游。 According to a preferred embodiment, the apparatus may comprise at least one valve for regulating the volumetric flow of refrigerant flow through the transfer members, wherein the steering members are disposed downstream of the control valve.

根據另一較佳實施方式，該等可切換轉向構件可各包括至少一將該冷媒流量輸往該等噴射條或者輸入該等繞行構件的可切換閥舌。 According to another preferred embodiment, the switchable steering members can each include at least one switchable valve tongue that delivers the flow of refrigerant to the spray bars or to the bypass members.

根據另一較佳實施方式，該等傳輸構件還包括一用於增大該冷媒源所提供之體積流量的泵。利用此種泵能提供經進一步加速的體積流量。 According to another preferred embodiment, the transport members further comprise a pump for increasing the volumetric flow provided by the refrigerant source. The use of such a pump provides a further accelerated volumetric flow.

根據另一較佳實施方式，可藉由一旁路使得該冷媒流量繞過該等泵。利用此種佈置方案後，可用毋需任何泵便能提供的冷媒壓力來實施冷卻。例如可用一高架容器來提供水壓。 According to another preferred embodiment, the refrigerant flow can be bypassed by the bypass by a bypass. With this arrangement, cooling can be performed with the refrigerant pressure that can be provided by any pump. For example, an overhead container can be used to provide water pressure.

整體而言，本發明既能提供小體積流量(如層流工作模式)，又能提供大體積流量(透過泵而實現的壓力工作模式)。 Overall, the present invention provides both a small volume flow (e.g., a laminar flow mode) and a large volume flow (a pressure mode of operation through a pump).

根據另一較佳實施方式，多個噴射條，較佳最多十個噴射條組合為第一冷卻組，其中，可經由第一傳輸構件為該第一冷卻組輸送冷媒，分別針對該第一冷卻組的最多三個噴射條設有將該冷媒流量自該等第 一傳輸構件輸入一回流管的可切換轉向構件，使得該第一冷卻組的該等最多三個噴射條的冷媒流量能與該第一冷卻組的其餘噴射條分離的方式轉向至該等繞行構件即該回流管。 According to another preferred embodiment, a plurality of spray strips, preferably a maximum of ten spray strips, are combined into a first cooling group, wherein the first cooling group can be transported with a refrigerant via the first transmission member, respectively for the first cooling Up to three spray strips of the group are provided with the flow of the refrigerant from the first a transmission member is input to the switchable steering member of the return pipe such that the refrigerant flow of the up to three spray bars of the first cooling group can be separated from the remaining spray bars of the first cooling group to the bypass The component is the return pipe.

根據另一較佳實施方式，多個其他噴射條，較佳最多十個其他噴射條組合為第二冷卻組，其中，可經由第二傳輸構件為該第二冷卻組輸送冷媒，分別針對該第二冷卻組的最多三個噴射條設有將該冷媒流量自該等第二傳輸構件輸入一回流管的可切換轉向構件，使得該第二冷卻組的該等最多三個噴射條的冷媒流量能與該第二冷卻組的其餘噴射條分離的方式轉向至該等繞行構件即該回流管。 According to another preferred embodiment, a plurality of other spray strips, preferably a maximum of ten other spray strips, are combined into a second cooling group, wherein the second cooling group can be transported with a refrigerant via the second transport member, respectively The plurality of spray strips of the two cooling groups are provided with switchable steering members for inputting the refrigerant flow from the second transport members to a return pipe, such that the refrigerant flow rates of the up to three spray strips of the second cooling group can The manner of separation from the remaining spray strips of the second cooling group is diverted to the bypass members, i.e., the return tubes.

根據另一較佳實施方式，該第一與該第二冷卻組可以彼此分離的方式自該冷媒源輸入即供應冷媒。 According to another preferred embodiment, the first and the second cooling groups can be supplied from the refrigerant source in a manner separated from each other to supply the refrigerant.

根據另一較佳實施方式，可分別用一泵來增大輸往每個冷卻組的體積流量。 According to another preferred embodiment, a pump can be used to increase the volumetric flow to each of the cooling groups.

根據另一較佳實施方式，該裝置包括多個噴射條，其中，每個噴射條皆以與其他噴射條分離的方式配屬有一可切換轉向構件，使得該經預加速之冷媒流量可經由該等傳輸構件輸往每個噴射條，或者該冷媒流量可經由該配屬於該噴射條的轉向構件輸往該等繞行構件。 According to another preferred embodiment, the apparatus includes a plurality of spray strips, wherein each spray strip is associated with a switchable steering member in a manner separate from the other spray strips such that the pre-accelerated refrigerant flow can pass through The transport member is transported to each of the spray strips, or the refrigerant flow can be delivered to the bypass members via the steering member associated with the spray strip.

根據另一較佳實施方式，該等噴射條中的至少一個被一支撐裝置支撐，且該可切換轉向構件安裝於該支撐裝置上。作為替代或補充方案，該可切換轉向構件以小於5m，較佳小於3m的間距佈置於該噴射條上游。 According to another preferred embodiment, at least one of the spray strips is supported by a support device and the switchable steering member is mounted to the support device. Alternatively or additionally, the switchable steering member is arranged upstream of the spray strip at a pitch of less than 5 m, preferably less than 3 m.

上述實施方式的特徵可彼此組合或者相互替換。 Features of the above embodiments may be combined with each other or with each other.

1‧‧‧噴射條 1‧‧‧jet strip

1'‧‧‧噴射條 1'‧‧‧Spray strip

2‧‧‧傳輸構件 2‧‧‧Transmission components

3‧‧‧繞行構件/回流管 3‧‧‧ bypass member / return pipe

4‧‧‧冷媒源/高架水箱 4‧‧‧Refrigerant source/overhead tank

5‧‧‧可切換轉向構件/開關銜鐵 5‧‧‧Switchable steering member / switch armature

6‧‧‧分配管 6‧‧‧Distribution tube

7‧‧‧噴射條排出口 7‧‧‧Spray outlet

8‧‧‧截止閥門 8‧‧‧ cut-off valve

9‧‧‧控制銜鐵 9‧‧‧Control armature

10‧‧‧第一冷卻組 10‧‧‧First cooling group

10'‧‧‧第二冷卻組 10'‧‧‧Second cooling group

11‧‧‧泵/增壓泵 11‧‧‧ pump/booster pump

11'‧‧‧第二泵 11'‧‧‧Second pump

13‧‧‧旁路 13‧‧‧Bypass

15‧‧‧測量感測器 15‧‧‧Measurement sensor

20‧‧‧第一傳輸構件 20‧‧‧First transmission member

20'‧‧‧第二傳輸構件 20'‧‧‧Second transmission component

50‧‧‧第一可切換轉向構件 50‧‧‧First switchable steering member

50'‧‧‧第二可切換轉向構件 50'‧‧‧Second switchable steering member

圖1係(先前技術)為多個噴射條供應冷媒的裝置；圖2為本發明用於冷卻金屬帶或其他滾壓物之裝置的一實施例；及圖3為本發明用於冷卻金屬帶或其他滾壓物之裝置的另一實施例。 Figure 1 is a prior art device for supplying refrigerant to a plurality of spray strips; Figure 2 is an embodiment of the apparatus for cooling a metal strip or other rolled material of the present invention; and Figure 3 is a cooling metal strip of the present invention. Another embodiment of a device for a roll or other roll.

下面對該等實施例之附圖進行簡要描述。其他細節參閱對該等實施例的詳細說明。 The drawings of the embodiments are briefly described below. For further details, refer to the detailed description of the embodiments.

為清楚起見，首先對圖1所示先前技術進行參考性說明。圖中示出一用作冷媒儲存器的高架水箱4。冷媒通常可經由相應管道輸往分配器6即分配管6。該冷媒可從分配器6出發輸往多個噴射條1。為對金屬帶施加冷媒，該等噴射條1各包含多個排出口7。如圖所示，分配器6與任一噴射條1之間皆設有一測量感測器15(例如用於測量冷媒壓力或冷媒體積流量)、一控制閥9或一截止閥門8。利用該等元件可監測並調節輸往相應噴射條1的冷媒流量。 For the sake of clarity, the prior art shown in Figure 1 is first described in detail. An overhead tank 4 for use as a refrigerant reservoir is shown. The refrigerant can usually be delivered to the distributor 6, the distribution pipe 6, via a corresponding conduit. The refrigerant can be delivered from the distributor 6 to a plurality of spray strips 1. In order to apply a refrigerant to the metal strip, the spray strips 1 each include a plurality of discharge ports 7. As shown, a measuring sensor 15 (for example for measuring refrigerant pressure or cold media flow), a control valve 9 or a shut-off valve 8 is provided between the distributor 6 and any of the spray bars 1. The components can be used to monitor and regulate the flow of refrigerant to the respective spray strip 1.

圖2為本發明之實施例的示意圖。由一儲存器4提供冷媒，方式與圖1所示之先前技術類似。與圖1所示裝置不同，圖2所示本發明之實施例較佳不包括分配器6。確切言之，冷媒從儲存器4各自經由一管道2輸往相應之噴射條1。所提供的冷媒流量可藉由泵11，11'即增壓泵11、11'有所增大。亦可例如藉由一旁路13繞過該用於冷媒流量的泵11、11'。該旁路13可採用可切換方案，使得既可由泵11、11'輸送冷媒流量，又可繞過泵11、11'並僅藉由儲存器4之(靜態)壓力使冷媒流量流過傳輸系統2。 此外，該體積流量可被一測量感測器15監測以及/或者被一控制閥9調節。體積流量的具體調節並非本發明之核心所在，例如可透過習知的控制技術措施來實現此點。實質之處在於，本發明之裝置具有可切換轉向構件5，其可導引經預加速之冷媒流量遠離噴射條1。如此便可例如先將流動即經預加速之體積流量先輸送至一排出或溢流管3。再例如可將該冷媒流量送回儲存器4。毋需對該冷媒流量進行進一步處理，因為冷媒在被構件5換向的過程中未受污染。轉向構件5一般而言可包含兩個可切換截止閥或截止閥門或者截止閥舌，以便將體積流量要麼輸往噴射條1要麼輸往回流管3。亦可僅設單獨一可切換閥。採用上述佈置方案後便能提供一經預加速之冷媒流量，該冷媒流量可視需要藉由轉向構件5輸往噴射條1。例如可利用一對帶材的存在狀況即對帶材的導入或導出狀況進行記錄的感測器來切換該等構件5。作為替代或補充方案，亦可用一溫度感測器監測帶材溫度。如此便能較佳根據該作為控制變量的溫度來切換或調節轉向構件5(調節元件)，以便調節該冷媒之經由噴射條1及其排出口7流向該帶材的流入量(調節參數)。 Figure 2 is a schematic illustration of an embodiment of the invention. The refrigerant is supplied from a reservoir 4 in a manner similar to the prior art shown in FIG. Unlike the apparatus shown in Fig. 1, the embodiment of the invention shown in Fig. 2 preferably does not include the dispenser 6. Specifically, the refrigerant is supplied from the reservoir 4 to the respective spray strip 1 via a pipe 2, respectively. The flow of refrigerant supplied can be increased by the pumps 11, 11', i.e., the booster pumps 11, 11'. The pump 11, 11' for refrigerant flow can also be bypassed, for example by a bypass 13. The bypass 13 can employ a switchable scheme such that the flow of refrigerant can be delivered by both the pumps 11, 11', and the pumps 11, 11' can be bypassed and the refrigerant flow can be passed through the transmission system only by the (static) pressure of the reservoir 4. 2. Furthermore, the volume flow can be monitored by a measuring sensor 15 and/or regulated by a control valve 9. The specific adjustment of the volumetric flow rate is not at the heart of the present invention, for example, by means of conventional control techniques. Essentially, the device of the present invention has a switchable steering member 5 that directs pre-accelerated refrigerant flow away from the spray strip 1. In this way, for example, the flow, that is, the pre-accelerated volume flow, is first delivered to a discharge or overflow pipe 3. For example, the refrigerant flow can be sent back to the reservoir 4. It is not necessary to further process the refrigerant flow because the refrigerant is not contaminated during the commutation of the member 5. The steering member 5 can generally comprise two switchable shut-off valves or shut-off valves or shut-off valve tongues in order to deliver the volumetric flow either to the spray strip 1 or to the return line 3. It is also possible to provide only a single switchable valve. With the above arrangement, a pre-accelerated refrigerant flow can be provided, which can be delivered to the spray strip 1 by the steering member 5 as needed. For example, the members 5 can be switched by a sensor that records the presence of a pair of strips, that is, the state in which the strip is introduced or exported. Alternatively or additionally, a temperature sensor can also be used to monitor the temperature of the strip. In this way, the steering member 5 (regulating member) can be switched or adjusted in accordance with the temperature as the control variable in order to adjust the inflow amount (adjustment parameter) of the refrigerant flowing through the spray bar 1 and its discharge port 7 to the strip.

圖3為本發明之另一實施例所示冷卻裝置的示意圖。與圖1所示裝置不同，多個噴射條1組合為第一冷卻組10，其他噴射條1'組合為第二冷卻組10'。每個組10、10'內的每個噴射條1、1'(在其上游)皆配屬有一轉向裝置50、50'。亦即，每個噴射條1、1'皆可被輸入一被對應轉向構件50、50'所預加速之體積流量。該等轉向構件50、50'較佳儘可能接近待供應之噴射條1、1'，以便縮短該體積流量自構件5實施轉向的地點流至噴射條所需的時間，此舉可顯著提高系統的反應速度即可控性。 Figure 3 is a schematic illustration of a cooling device in accordance with another embodiment of the present invention. Unlike the apparatus shown in Fig. 1, a plurality of spray strips 1 are combined into a first cooling group 10, and other spray strips 1' are combined into a second cooling group 10'. Each of the spray bars 1, 1 ' (upstream thereof) in each group 10, 10' is associated with a steering device 50, 50'. That is, each of the spray bars 1, 1 ' can be input with a volume flow rate pre-accelerated by the corresponding steering members 50, 50'. The steering members 50, 50' are preferably as close as possible to the spray strips 1, 1 ' to be supplied in order to shorten the time required for the volume flow to flow from the point where the member 5 is turned to the spray strip, which significantly increases the system The reaction speed can be controlled.

一般而言，轉向構件5、50、50'例如可採用電性、氣動或液壓切換方案。 In general, the steering members 5, 50, 50' may, for example, employ an electrical, pneumatic or hydraulic switching scheme.

前述實施例主要用以更清楚地說明本發明，並不對本發明構成任何限制。本發明的保護範圍由申請專利範圍給出。 The foregoing embodiments are intended to be illustrative of the present invention and are not intended to limit the invention. The scope of protection of the present invention is given by the scope of the patent application.

上述實施例的特徵可彼此組合或者相互替換。 Features of the above embodiments may be combined with each other or with each other.

相關領域通常知識者亦可根據事實情況或者具體要求對上述特徵加以調整。 Those skilled in the relevant art may also adjust the above characteristics according to facts or specific requirements.

1‧‧‧噴射條 1‧‧‧jet strip

2‧‧‧傳輸構件 2‧‧‧Transmission components

3‧‧‧繞行構件/回流管 3‧‧‧ bypass member / return pipe

4‧‧‧冷媒源/高架水箱 4‧‧‧Refrigerant source/overhead tank

5‧‧‧可切換轉向構件/開關銜鐵 5‧‧‧Switchable steering member / switch armature

7‧‧‧噴射條排出口 7‧‧‧Spray outlet

8‧‧‧截止閥門 8‧‧‧ cut-off valve

9‧‧‧控制銜鐵 9‧‧‧Control armature

11‧‧‧泵/增壓泵 11‧‧‧ pump/booster pump

11'‧‧‧第二泵 11'‧‧‧Second pump

13‧‧‧旁路 13‧‧‧Bypass

15‧‧‧測量感測器 15‧‧‧Measurement sensor

Claims (15)

一種將利用冷媒冷卻金屬帶或其他滾壓物的冷卻裝置(1，1')，特別是至少一噴射條(1，1')作動態供應的方法，包括a)提供一經預加速之冷媒流量，其中，該冷媒流量繞過該冷卻裝置(1，1')並輸入一回流管(3)；b)對待冷卻金屬帶或其他滾壓物的存在狀況及/或溫度進行監測；c)根據該金屬帶或該其他滾壓物的存在狀況及/或一規定溫度將該經預加速之冷媒流量轉向至該冷卻裝置(1，1')，使得該冷媒流量並非繞開該冷卻裝置(1，1')並輸入一回流管，而是以經預加速的方式輸往該用於冷卻該金屬帶或該其他滾壓物的冷卻裝置(1，1')。 A method for dynamically supplying a cooling device (1, 1'), in particular at least one spray strip (1, 1'), for cooling a metal strip or other rolling material with a refrigerant, comprising a) providing a pre-accelerated refrigerant flow Wherein the refrigerant flow bypasses the cooling device (1, 1 ') and is input to a return pipe (3); b) monitors the presence and/or temperature of the metal strip or other rolling material to be cooled; c) The pre-accelerated refrigerant flow rate is diverted to the cooling device (1, 1 ') by the presence of the metal strip or the other rolled material and/or a predetermined temperature such that the refrigerant flow rate does not bypass the cooling device (1) , 1 ') and input a return pipe, but in a pre-accelerated manner to the cooling device (1, 1 ') for cooling the metal strip or the other rolling material. 如申請專利範圍第1項之方法，其中，該冷媒流量在繞開該冷卻裝置(1，1')時的壓力損失與在該冷媒流量輸往該冷卻裝置(1，1')時的壓力損失之差別小於20%或者大致相等，從而在該經預加速之冷媒流量轉向至該冷卻裝置(1，1')的過程中避免壓力衝擊。 The method of claim 1, wherein the refrigerant flow is at a pressure loss when the cooling device (1, 1') is bypassed and a pressure at which the refrigerant flow is delivered to the cooling device (1, 1') The difference in losses is less than 20% or approximately equal to avoid pressure shocks during the diverging of the pre-accelerated refrigerant flow to the cooling device (1, 1 '). 如申請專利範圍第1或2項之方法，其中，在該冷卻裝置(1，1')之排出口的上游方向小於5m，較佳小於3m的範圍內使該冷媒流量轉向，以便儘量縮短該冷媒流量之轉向地點與該冷卻裝置(1，1')之排出口之間的距離。 The method of claim 1 or 2, wherein the flow rate of the refrigerant is diverted within a range of less than 5 m, preferably less than 3 m, in an upstream direction of the discharge port of the cooling device (1, 1'), so as to minimize the The distance between the turning point of the refrigerant flow and the discharge port of the cooling device (1, 1'). 如申請專利範圍第1或2項之方法，其中，該冷媒流量之待轉向之體積流量大於150m3/h，較佳大於400m3/h。 The application method 1 or 2 of the scope of the patent, wherein the refrigerant flow rate of the volume flow to be greater than the steering 150m 3 / h, preferably greater than 400m 3 / h. 一種用於冷卻金屬帶的裝置，較佳用於實施如前述申請專利範圍中任一項之方法，該裝置包括： 一用於冷卻金屬帶或其他滾壓物的冷卻裝置，該冷卻裝置包括至少一噴射條(1，1')，該噴射條具有將該冷媒釋放至該金屬帶的冷媒排出口；將冷媒流量自冷媒源(4)輸往該噴射條(1，1')的傳輸構件(2，20，20')；將該冷媒流量自該等傳輸構件(2，20，20')輸入一回流管(3)的繞行構件；可切換轉向構件(5，50，50')，其構建為，可切換地將流過該等傳輸構件(2，20，20')的冷媒流量輸往該噴射條(1)或者使該冷媒流量自該等傳輸構件(2，20，20')轉向至該等繞行構件。 An apparatus for cooling a metal strip, preferably for carrying out the method of any of the preceding claims, the apparatus comprising: a cooling device for cooling a metal strip or other rolling material, the cooling device comprising at least one spray strip (1, 1 ') having a refrigerant discharge port for releasing the refrigerant to the metal strip; a transmission member (2, 20, 20') from the refrigerant source (4) to the spray strip (1, 1'); the refrigerant flow is input from the transfer member (2, 20, 20') to a return pipe a bypass member (3); a switchable steering member (5, 50, 50') configured to switchably deliver a flow of refrigerant flowing through the transmission members (2, 20, 20') to the injection The strip (1) either diverts the flow of the refrigerant from the transport members (2, 20, 20') to the bypass members. 如申請專利範圍第5項之裝置，其中，該裝置(10)包括至少一用於對流過該等傳輸構件(2，20，20')之冷媒流量之體積流量進行調節的閥(9)，其中，該等轉向構件(5，50，50')佈置於該控制閥(9)的下游。 The apparatus of claim 5, wherein the apparatus (10) comprises at least one valve (9) for regulating a volume flow rate of a refrigerant flow flowing through the transmission members (2, 20, 20'), Therein, the steering members (5, 50, 50') are arranged downstream of the control valve (9). 如申請專利範圍第5或6項之裝置，其中，該等可切換轉向構件(5，50，50')分別包括至少一用於將該冷媒流量輸往該等噴射條(1)或者輸入該等繞行構件的可切換閥舌以及/或者該等可切換轉向構件(5，50，50')以小於5s，較佳小於1.5s的時間實施該切換過程。 The apparatus of claim 5 or 6, wherein the switchable steering members (5, 50, 50') respectively comprise at least one for delivering the refrigerant flow to the spray strips (1) or inputting the The switchable valve tongue of the orbiting member and/or the switchable steering members (5, 50, 50') perform the switching process with a time of less than 5 s, preferably less than 1.5 s. 如申請專利範圍第5至6項中任一項之裝置，其中，該等傳輸構件(2，20，20')還包括一用於增大該冷媒源(4)所提供之冷媒體積流量的泵(11，11')。 The apparatus of any one of claims 5 to 6, wherein the transmission members (2, 20, 20') further comprise a source for increasing the flow rate of the cold medium provided by the refrigerant source (4). Pump (11, 11'). 如申請專利範圍第8項之裝置，其中，可藉由一旁路(13)使得該冷媒流量繞過該等泵(11，11')。 A device as claimed in claim 8 wherein the refrigerant flow is bypassed by the bypass (13) to bypass the pumps (11, 11'). 如申請專利範圍第5至6項中任一項之裝置，其中，多個噴射條(1)， 較佳最多十個噴射條(1)組合為第一冷卻組(10)，可經由第一傳輸構件(20)為該第一冷卻組(10)輸送冷媒，分別針對該第一冷卻組(10)的最多三個噴射條(1)設有將該冷媒流量自該等第一傳輸構件(20)輸入一回流管的可切換轉向構件(50)，使得該第一冷卻組(10)的該等最多三個噴射條(1)的冷媒流量能與該第一冷卻組(10)的其餘噴射條無關的方式轉向至該等繞行構件。 The apparatus of any one of claims 5 to 6, wherein the plurality of spray strips (1), Preferably, at most ten spray strips (1) are combined into a first cooling group (10), and the first cooling group (10) can be transported with a refrigerant via the first transmission member (20) for the first cooling group (10) Up to three spray strips (1) are provided with switchable steering members (50) for inputting refrigerant flow from the first transfer members (20) to a return pipe such that the first cooling group (10) The flow of refrigerant, such as up to three spray strips (1), can be diverted to the bypass members in a manner independent of the remaining spray strips of the first cooling pack (10). 如申請專利範圍第10項之裝置，其中，另有多個其他噴射條(1')，較佳最多十個其他噴射條(1')組合為第二冷卻組(10')，可經由第二傳輸構件(20')為該第二冷卻組(10')輸送冷媒，分別針對該第二冷卻組(10')的最多三個噴射條(1')設有將該冷媒流量自該等第二傳輸構件(20')輸入一回流管的可切換轉向構件(50')，使得該第二冷卻組(10')的該等最多三個噴射條(1')的冷媒流量能與該第二冷卻組(10')的其餘噴射條(1')無關的方式轉向至該等繞行構件。 The apparatus of claim 10, wherein a plurality of other spray strips (1'), preferably a maximum of ten other spray strips (1') are combined into a second cooling set (10'), The second transmission member (20') transports the refrigerant to the second cooling group (10'), and respectively sets the flow rate of the refrigerant to the maximum of three spray strips (1') of the second cooling group (10'). The second transfer member (20') is input to the switchable steering member (50') of the return pipe such that the refrigerant flow rate of the up to three spray strips (1') of the second cooling group (10') is The remaining spray strips (1 ') of the second cooling group (10') are diverted to the bypass members. 如申請專利範圍第11項之裝置，其中，該第一與該第二冷卻組(10，10')可以彼此分離的方式自該冷媒源(4)輸入冷媒。 The apparatus of claim 11, wherein the first and the second cooling groups (10, 10') are input from the refrigerant source (4) in a manner that is separable from each other. 如申請專利範圍第11項之裝置，其中，可分別用一泵(11，11')來增大輸往每個冷卻組(10，10')的體積流量。 For example, the apparatus of claim 11 wherein a pump (11, 11') can be used to increase the volumetric flow rate to each of the cooling groups (10, 10'). 如申請專利範圍第5至6項中任一項之裝置，其中，該裝置包括多個噴射條(1)，及最多三個噴射條(1)以與其他噴射條(1)分離的方式配屬有一可切換轉向構件(5)，使得該經預加速之冷媒流量可經由該等傳輸構件(2)輸往該等最多三個噴射條(1)，或者該冷媒流量可經由配屬於該等最多 三個噴射條(1)的該轉向構件(5)輸往該等繞行構件；或者特定言之每個噴射條(1)皆以與其他噴射條(1)分離的方式配屬有一可切換轉向構件(5)，使得該經預加速之冷媒流量可經由該等傳輸構件(2)輸往每個噴射條(1)，或者該冷媒流量可經由該配屬於該噴射條(1)的轉向構件(5)輸往該等繞行構件。 The apparatus of any one of claims 5 to 6, wherein the apparatus comprises a plurality of spray strips (1), and a maximum of three spray strips (1) are separated from the other spray strips (1). Is a switchable steering member (5) such that the pre-accelerated refrigerant flow can be delivered to the up to three spray strips (1) via the transport members (2), or the refrigerant flow can be assigned to most The steering members (5) of the three spray strips (1) are fed to the bypass members; or in particular each spray strip (1) is associated with a separate switch from the other spray strips (1). Steering member (5) such that the pre-accelerated refrigerant flow can be delivered to each spray strip (1) via the transfer member (2), or the refrigerant flow can be redirected via the spray strip (1) The member (5) is fed to the bypass members. 如申請專利範圍第5至6項中任一項之裝置，其中，該等噴射條(1)中的至少一個被一支撐裝置支撐，且該可切換轉向構件(5)安裝於該支撐裝置上；以及/或者該可切換轉向構件(5)以小於5m的間距佈置於該噴射條(1)上游。 The apparatus of any one of claims 5 to 6, wherein at least one of the spray strips (1) is supported by a support device, and the switchable steering member (5) is mounted on the support device And/or the switchable steering member (5) is arranged upstream of the spray strip (1) at a pitch of less than 5 m.
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