CN104246418A - Method for providing a cooling medium in a secondary circuit - Google Patents

Method for providing a cooling medium in a secondary circuit Download PDF

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Publication number
CN104246418A
CN104246418A CN201380022036.3A CN201380022036A CN104246418A CN 104246418 A CN104246418 A CN 104246418A CN 201380022036 A CN201380022036 A CN 201380022036A CN 104246418 A CN104246418 A CN 104246418A
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CN
China
Prior art keywords
heat exchanger
main heat
cooling medium
secondary loop
main
Prior art date
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Pending
Application number
CN201380022036.3A
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Chinese (zh)
Inventor
R·科姆帕
M·弗尔斯特
A·沃尔特
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BASF SE
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BASF SE
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Publication of CN104246418A publication Critical patent/CN104246418A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28BSTEAM OR VAPOUR CONDENSERS
    • F28B9/00Auxiliary systems, arrangements, or devices
    • F28B9/04Auxiliary systems, arrangements, or devices for feeding, collecting, and storing cooling water or other cooling liquid
    • F28B9/06Auxiliary systems, arrangements, or devices for feeding, collecting, and storing cooling water or other cooling liquid with provision for re-cooling the cooling water or other cooling liquid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/02Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/06Derivation channels, e.g. bypass

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

Method for providing a cooling medium with regulated feed temperature in a secondary circuit (20), wherein, in the secondary circuit (20), the cooling medium absorbs heat from one or more process coolers (22) and subsequently releases heat to primary water in a primary circuit (10) before flowing back to the process coolers (22), characterized in that at least two primary heat exchangers (12, 14) are provided for cooling the cooling medium, furthermore a bypass line (26) in the secondary circuit (20) branches off downstream of the outlet from the process coolers (22) in order to bypass the primary heat exchangers (12, 14), and the regulation of the temperature in the secondary circuit (20) in the feed line to the process coolers (22) is realized through adjustment of the bypass flow.

Description

For providing the method for cooling medium in secondary loop
Technical field
The present invention relates to a kind of for providing the method for the cooling medium with controlled supplying temperature in secondary loop, wherein, cooling medium in secondary loop absorbs the heat from one or more process cooler/process cooler (Prozessk ü hlern), then rejects heat to before flowing back into process cooler in the main water in major loop.In addition, the present invention relates to the equipment for implementing method according to the present invention, wherein this equipment at least one temperature sensor of being included in the one or more process cooler in secondary loop and flowing in the stream of process cooler.
Background technology
In many engineering process, need to remove heat from the parts of device or equipment.For this reason, often use main water, particularly when large-scale processes, main water can utilize backflow cooling water, river or seawater.Consider from the angle of process control, need the parts of device or equipment to cool under stationary temperature as far as possible.Consider from the angle of safety and environmental protection, such as, in incident of leakage, the material that may be harmful to must be avoided to enter natural water body.These require directly not contact with device to be cooled by main water to meet, but closed intermediate loop, also referred to as secondary loop in use cooling medium.Cooling medium is selected according to corresponding requirement.Common cooling medium is water, and other example of cooling medium comprises ethylene glycol-water mixture or methyl alcohol.
Cooling medium in secondary loop flows into one or more process cooler and absorbs the heat from technical process there under the supplying temperature limited, and wherein, described cooling medium is heated.In order to make cooling medium get back to required supplying temperature, cooling medium is supplied to one or more heat exchanger, cooling medium in described heat exchanger by main water cooling.Such as the reflux loop of cooling water, river or seawater of main water is designated as major loop.Correspondingly, main heat exchanger is called as by the heat exchanger of cooling medium described in main water cooling wherein.
Cooling system is divided into the technology that major loop that main water flow passes through and the secondary loop that cooling medium flows through are a kind of maturations, and provides many advantages.When device or process cooler occur to leak, although harmful material may enter cooling medium, the main water in major loop keeps protected and not contaminated.In addition, because secondary loop is closed, the process cooler in equipment is with directly less by fouling compared with the water-cooled situation in river.
This method also makes the supplying temperature flowing to process cooler not to be relied in main water and is set in required value due to the change occurred in the time on daytime and season.Usually, main heat exchanger is designed so that in quantity and size they can extract enough heats from cooling medium in high load capacity situation.For the definition of high load capacity situation, assuming that state be that the temperature difference entered between the cooling medium of heat exchanger and the main water of introducing has limited minimum acceptable value.When the cooling medium introduced has specified value, this is that the main water introduced provides maximum permissible value.In Central Europe, in the month that therefore high load capacity situation usually occurs in summer, wherein river can reach such as 28 DEG C or higher temperature.
In contrast, the value that refers to when enter temperature difference between the cooling medium of main heat exchanger and the main water of introducing of underload situation is very high.In Central Europe, in the month that this situation appears at winter usually, wherein the temperature of river declines, such as, drop to 4 DEG C or lower.In addition, underload situation is considered to when only there being considerably less caloric requirement to transfer to main water from the cooling medium secondary loop, such as, when equipment does not run with maximum capacity; or during dead halt; like this, in primary cooler, the heat transferring to main water from cooling medium is less.In these cases, in order to make the supplying temperature of the cooling medium flowed in the stream of process cooler remain on the value identical with in high load capacity situation, the flow velocity of the main water flowing to main heat exchanger is usually made to reduce.
The shortcoming of this method is, in underload situation, due to low flow velocity, in the easy fouling of main heat exchanger of main water side.In addition, be slow by means of the control of main water supply flow to the supplying temperature leading to process cooler flowing to main heat exchanger.
Summary of the invention
The object of this invention is to provide the method for discussed cooling type, wherein, the fouling of described main heat exchanger can reduce, and the supplying temperature to process cooler can fast and firmly control.
This object realizes by the method according to the present invention in claim 1 and by the equipment described in claim 7 according to the present invention.The preferred embodiments of the present invention limit respectively in dependent claims 2 to 6 and 8.
According to of the present invention for providing in the method for the cooling medium with controlled supplying temperature in secondary loop, cooling medium in secondary loop absorbs the heat from one or more process cooler, is then entered by thermal release to the main water in major loop before flowing back into process cooler.Be provided with at least two main heat exchangers for cooling described cooling medium.At the outlet downstream of process cooler and the inlet upstream of main heat exchanger, in secondary loop, branch out bypass line, for walking around main heat exchanger.Bypass line is communicated to from main heat exchanger to the pipeline of the secondary loop of process cooler.According to the present invention, the supplying temperature flowing to process cooler in secondary loop controls via the adjustment of by-pass." supplying temperature " refers to the temperature of cooling medium in the stream of the process that the flows to cooler in secondary loop here and hereinafter." flow to the stream of process cooler " and refer to the portion's section between bypass line to the entrance and the first process heat exchangers of secondary loop of secondary loop." reflux section " refer to secondary loop in the portion's section between the outlet and the branch of bypass line of at least one process heat exchangers.When multiple process heat exchangers, " reflux section " refer to secondary loop in the portion's section between the export pipeline joint and the branch of bypass line of process heat exchangers.
In a preferred embodiment of the invention, temperature sensor is arranged in the stream flowing to process cooler, and bypass line is provided with actuator, utilizes this actuator, and the supplying temperature flowing to process cooler in secondary loop can control.Alternately, in the stream flowing to process cooler, provide multiple temperature sensor, such as, for realizing redundant measurement.Suitable temperature sensor such as thermocouple for determining the temperature of the cooling medium flowed, and is provided for the value being transferred to control device.
In another embodiment in accordance with the invention, temperature sensor or multiple temperature sensor are arranged in the reflux section of secondary loop, and bypass line is provided with actuator, utilize this actuator, and the supplying temperature flowing to process cooler in secondary loop is controlled.
Suitable actuator allows to be set between minimum of a value and maximum by the flow of bypass line.Preferably, minimum of a value equals zero, and this means the bypass line closed completely.Maximum preferably corresponds to the bypass line opened completely.Between extreme value, can be any required value of flow set, preferably setting and not step by step continuously.Suitable actuator is known to those skilled in the art, such as diaphragm (valve), ball valve or triple valve.
In a preferred embodiment, be provided with a control device, this control device has for the default value of supplying temperature.From the value preset with by the comparing of the determined supplying temperature of temperature sensor, control device produces one and outputs signal to be transferred to actuator.The temperature flowing through the cooling medium of bypass line is higher than the temperature of the cooling medium flowed from main heat exchanger to process cooler.Therefore when supplying temperature is too high compared with preset value, controller can be decreased through the flow of bypass line, and correspondingly, when supplying temperature is too low compared with preset value, can increase the flow by bypass line.
In another embodiment in accordance with the invention, the control device of the preset value had for reflux temperature is provided with.From preset value with by the comparing of the determined reflux temperature of temperature sensor, control device produces output signal to be transported to described actuator.In the present embodiment, controller also makes the flow that can be reduced by described bypass line when reflux temperature is too high compared with preset value, and correspondingly increases the flow by bypass line when reflux temperature is too low compared with preset value.
Also can be affected by the flow of the cooling medium of bypass line, because actuator is present in and leads to main heat exchanger or from the cooling medium pipeline of main heat exchanger, and suitably can regulate their aperture.But, control bypass stream by the actuator affected in bypass line and more easily realize, and be therefore preferred.
Described control device can be independently instrument, such as, be connected to the small controller of temperature sensor and actuator by information technology.Control device also can be implemented with the actuator set of such as control valve form.Alternately, described control device also can be integrated in the system of the higher level for process control, such as Process Control System.
In a preferred embodiment of the method in accordance with the present invention, main heat exchanger quantity and be dimensioned to for high load capacity situation.In underload situation, the cooling capacity of major loop is by closing one or more main heat exchanger to adjust, and wherein, at least one main heat exchanger keeps running.Term " high load capacity " and " underload " refer to the running status limited above.
In preferred modification, Heat Exchanger Design becomes in underload situation, utilizes the maximum permissible temperature between main water inlet and outlet poor, and heat exchanger is enough under being cooled to required supplying temperature by cooling medium.For high load capacity situation, correspondingly provide more heat exchangers, the maximum permissible temperature being preferably designed to equally respectively be applicable between main water inlet and outlet is poor, and the minimum temperature be applicable to substantially in high load capacity situation is poor.Maximum permissible temperature difference between the entrance and exit of main water is formally regulated continually, such as, be adjusted to the value of 15K.By this measure, main water can effectively utilize in the load range of whole seasonal variations, and required main water minimum can significantly reduce.
Bypass line preferably so designs its ability, makes the control range of bypass line enough for controlling the supplying temperature in secondary loop reposefully when main heat exchanger turns off and connect.
In addition, in the design of bypass line, preferably consider that the fluctuation of every God's coolant-temperature gage can be compensated by the flow controlled separately through bypass line.Do not provide turning on and off of main heat exchanger in this case.
Particularly preferably, substantially constant is kept by the flow of the main water of one or more main heat exchanger.In this case, flow is not ACTIVE CONTROL, but is caused by the pressure differential between the entrance of the main heat exchanger of main water side and outlet.When this fluctuating pressure differences, also cause the fluctuation of flow velocity.If the temperature of main water declines, if or the amount of the heat treated from cooling medium removal reduces, such as owing to being reduced by the flow velocity of the cooling medium of main heat exchanger or reducing due to the temperature of the cooling medium of departure process cooler, coolant temperature is leaving the exit decline of main heat exchanger.Correspondingly, when the temperature of main water rises and/or treat that the amount of the heat extracted from cooling medium increases, the outlet temperature of cooling medium increases.
In more preferred embodiment of the present invention, cooling capacity is adjusted to the main water making to flow through operating main heat exchanger pressure drop by turning on and off main heat exchanger is under any circumstance at least 300 millibars, is particularly preferably at least 800 millibars.This significantly reduces and form sedimental possibility in main water side.
Can connect in a different manner at described at least two main heat exchangers.Preferably, main heat exchanger is in major loop part and be also all connected in parallel in secondary loop part.
Operable main heat exchanger is all the heat exchanger for this object well known by persons skilled in the art, preferably, uses plate type heat exchanger or pipe bundle heat exchanger, particularly preferably sealing or welded plate type heat exchanger.Particularly preferred plate type heat exchanger is usually designed to for high pressure drop.When bypass without the need to additional conveying device as being favourable pump is implemented.
In a preferred embodiment of the method in accordance with the present invention, main water is backflow cooling water, river, seawater or brackish water." backflow cooling water " refers to by water that facility is cooled as cooling tower or cools in process engineering equipment again.
With compared with method well known in the prior art, the invention provides multiple advantage.Required cooling capacity is jointly provided in high load capacity situation, but the supply of at least two main heat exchangers that can partly turn off in underload situation makes it possible to by running independent main heat exchanger at the in fact constant flow of main water side, to prevent too early fouling.In addition, this provide the possibility alternately turning on and off main heat exchanger in underload situation, make it possible to simple inspection and optionally maintenance or clean.In addition, the minimum of the main water needed for providing cooling capacity significantly reduces.Another advantage is considered to utilize the flow velocity by means of main water in bypass current control supplying temperature such as existing field to control obviously more simply, sooner and more firmly to realize.
Accompanying drawing explanation
Describe the present invention in more detail below with reference to accompanying drawings, wherein accompanying drawing is interpreted as schematically.They do not represent to of the present invention such as about heat exchanger quantity, type and connect and compose any restriction.In the accompanying drawings:
Fig. 1 shows the skeleton diagram of the cooling system according to prior art;
Fig. 2 shows the skeleton diagram according to cooling system of the present invention;
Fig. 3 shows the skeleton diagram according to cooling system of the present invention, and this cooling system has the main heat exchanger be connected in series in secondary (loop) side;
Fig. 4 shows the skeleton diagram according to cooling system of the present invention, and this cooling system has the main heat exchanger led (loop) side and flexibly connect;
Fig. 5 shows the quantity of main coolant-temperature gage and operating main heat exchanger and the relation of time.
Detailed description of the invention
Fig. 1 shows the cooling system according to prior art, wherein, cooling medium in secondary loop 20 flows to process cooler 22, absorption process cooler there heat and rejected heat in main heat exchanger 12 before flowing back to process cooler 22 in the main water in major loop 10.Process cooler can be dissimilar, the chuck of such as board-like, bundled tube, votator or pipe or the container for its cooling.The supplying temperature of the cooling medium of the upstream of process cooler 22 is determined by serviceability temperature sensor and is controlled at specific preset value by control device 24.The amount of the main water in major loop 10 is used as the control variables of control.
In fig. 2, first preferred embodiment according to method of the present invention is shown.The cooling medium of departure process cooler 22 flows through two main heat exchangers 12,14, is here entered by thermal release in the main water in major loop 10.Under shown preferable case, main heat exchanger is all connected in parallel in the both sides of major loop and the both sides of secondary loop.Separate bypass line 26 at cooling medium between the outlet of departure process cooler 22 and the entrance entering main heat exchanger 12,14, this bypass line also leads to the secondary loop 20 that cooling medium leaves the outlet downstream of main heat exchanger.The supplying temperature flowing to the cooling medium of process cooler 22 controls by means of the flow velocity of the setting in bypass line.In high load capacity situation, main heat exchanger 12 and 14 is both in operation, and in underload situation, the ability of a main heat exchanger is enough to fully cool the cooling medium in secondary loop 20.In this case, one that turns off in main heat exchanger by closing corresponding valve in secondary loop.
In figure 3, another preferred embodiment according to method of the present invention is shown.In this example, main heat exchanger 12 and 14 is connected in parallel in the side of major loop and is connected in series in the side of secondary loop.In order to main heat exchanger 12 or 14 can be turned off in underload situation, in secondary loop, provide the bypass that can be turned on and off by valve.
Fig. 4 shows the another preferred embodiment according to method of the present invention, and wherein main heat exchanger 12,14 is connected in parallel in secondary (loop) side.In the both sides of major loop, connect and keep flexible.By correspondingly opening and closing the valve illustrated of illustrating, can realize in major loop side being connected in series or being connected in parallel.In addition, main heat exchanger 12,14 can turn off alternatively by valve corresponding in closedown secondary loop.
Accompanying drawing only for illustration of.With the configuration devious illustrated with connect and fall into scope of the present invention, as long as the supplying temperature controlled in secondary loop performs by regulating bypass stream certainly equally.
Especially, the quantity of the heat exchanger shown in figure is only exemplary, is not limited thereto.It is favourable for being provided with plural main heat exchanger.Available main heat exchanger is more, each independently main heat exchanger just can more neatly connected sum turn off, to carry out optimum Match with the load condition of current generation.But, which increases fund cost.Preferably, two to three main heat exchangers are provided.
Choice criteria for the quantity of main heat exchanger can draw from the thermograde of main water.Preferably, the optimal number of main heat exchanger is estimated by the business of the representative temperature difference in maximum permissible temperature difference and high load capacity situation.Such as the position of the Ludwigshafen on TUV river, when river with decide water time, by main water inlet and outlet between maximum permissible temperature difference be defined as 15K.In addition, the water be back in river must not exceed 33 DEG C.Therefore, can reach the high load capacity situation in the summer months of 28 DEG C in the temperature of river under, the temperature difference between the entrance and exit of main water is 5K is common.These give the business of 15K/5K=3.Therefore, advantageously, arrange three main heat exchangers, they are designed to when maximum permissible temperature difference 15K is fully utilized, and each of described three heat exchangers can separately from the heat of the cooling medium extraction aequum secondary loop.
In Figure 5, the time period that the temperature T (dotted line) of main water and the quantity N (solid line, right hand scale) of operating main heat exchanger and the pass of time tie up to 12 months schematically shows.In the diagram that this is exemplary, assuming that treat that the amount of the heat removed from secondary loop keeps constant in the considered time period.The main water used is river, and this river has minimum temperature such as 4 DEG C in the winter months in December and January.Can make full use of maximum permissible temperature difference, therefore a main heat exchanger is enough for fully cooling the cooling medium in secondary loop.Once river temperature rises to higher than a value, consider fluctuation within the specific limits, can not ensure that maximum permissible temperature is poor again, another main heat exchanger brings into operation.Assuming that the maximum 33 DEG C of the fluctuation range of 3K and the water to river discharge, the value of given 15 DEG C, the second main heat exchanger brings into operation.According in the example of Fig. 5, this is the situation of mid-April.Start from early June, the temperature of river rises to a value, needs the 3rd main heat exchanger first reliably to remove the heat of aequum, secondly, is no more than maximum 33 DEG C.In the summer months in June, July and August, three main heat exchangers, all in operation, until river temperature drops to the enough degree of two main heat exchangers again, are at the beginning of 9 months in this example.At the bottom of October, the temperature of river drops to such as less than 15 DEG C further, again makes a main heat exchanger just enough.
Method according to the present invention has can adapt to current needs and the effect providing cooling capacity neatly.In the example depicted in fig. 5, within the time period of five first quarter moons, a main heat exchanger is in operation, and within the time period of three first quarter moons, two main heat exchangers are in operation, and within the trimestral time period, three main heat exchangers are in operation.Compared with the pure design for high load capacity situation, can significantly be reduced by the amount of the main water needed for method according to the present invention.
In main water side, the water of substantial constant amount flows through each main heat exchanger, and this prevents fouling.Except in summer, it is no problem that off-duty heat exchanger can keep and clean, and can not have a negative impact to the operation of equipment in secondary loop.Suppose according in the equipment situation of prior art; wherein only there is the main heat exchanger that is designed for high load capacity situation; wherein; in underload situation, the amount of main water reduces; the annual equipment downtime relevant to fouling needs about 3 days; and use according to method of the present invention, the ability of equipment can increase about 1%.When frequently or longer downtime, Dominant Facies economically should increase.

Claims (8)

1. one kind for providing the method for the cooling medium with controlled supplying temperature in secondary loop (20), wherein, described cooling medium in described secondary loop (20) absorbs the heat from one or more process cooler (22), then before it flow back into described process cooler (22), reject heat to the main water in major loop (10), wherein, be provided with at least two main heat exchangers (12, 14) for cooling described cooling medium, also be provided with bypass line (26), from described secondary loop (20), branch is out in the downstream that described process cooler (22) exports for described bypass line (26), to walk around described main heat exchanger (12, 14), and the temperature flowing to the cooling medium in the stream of described process cooler (22) in described secondary loop (20) controls by means of the adjustment of bypass stream.
2. method according to claim 1, wherein, described main heat exchanger (12,14) quantity is applicable to high load capacity situation with being dimensioned to, and in underload situation, the cooling capacity of described major loop (10) adjusts by close in described main heat exchanger (12,14) one or more, and wherein main heat exchanger described at least one keeps running.
3. method according to claim 2, wherein, described cooling capacity is adjusted to and makes the pressure drop of the main water flowing through operating main heat exchanger (12,14) under any circumstance be at least 300 millibars, preferably at least 800 millibars.
4. according to the method in any one of claims 1 to 3, wherein, described main heat exchanger (12, the 14) maximum permissible temperature that is designed to be applicable between main water inlet and main water out is poor.
5. method according to any one of claim 1 to 4, wherein, described main heat exchanger (12,14) is all connected in parallel in described major loop (10) part and in described secondary loop (20) part.
6. method according to any one of claim 1 to 5, wherein, described main heat exchanger (12,14) is plate type heat exchanger or pipe bundle heat exchanger, particularly sealing or welded plate type heat exchanger.
7. one kind for performing the equipment according to the described method of item at least one in claim 1 to 6, described equipment is included in one or more process cooler (22) in secondary loop (20) and at least one temperature sensor in the stream flowing to process cooler (22), wherein, be provided with at least two main heat exchangers (12, 14), the cooling medium of described secondary loop (20) rejects heat to the main water in major loop (10) in described at least two main heat exchangers, also be provided with bypass line (26), from described secondary loop (20), branch is out in the downstream that described process cooler (22) exports for this bypass line, to walk around described main heat exchanger (12, 14), and be provided with actuator, the temperature of the cooling medium flowed in the stream of described process cooler (22) in described secondary loop (20) can utilize this actuator to control.
8. equipment according to claim 7, wherein, described main heat exchanger (12,14) is not only connected in parallel in this major loop (10) side but also in this secondary loop (20) side.
CN201380022036.3A 2012-04-25 2013-04-23 Method for providing a cooling medium in a secondary circuit Pending CN104246418A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12165458 2012-04-25
EP12165458.6 2012-04-25
PCT/EP2013/058377 WO2013160293A1 (en) 2012-04-25 2013-04-23 Method for providing a cooling medium in a secondary circuit

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JP (1) JP2015514957A (en)
KR (1) KR20150003848A (en)
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ES (1) ES2704988T3 (en)
IN (1) IN2014DN08409A (en)
WO (1) WO2013160293A1 (en)

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CN106969433A (en) * 2015-12-17 2017-07-21 艾森曼欧洲公司 air supply device
CN114109607A (en) * 2021-10-27 2022-03-01 合肥通用机械研究院有限公司 Heat load self-adaptive gas turbine cooling air waste heat recovery system and control method
CN114109607B (en) * 2021-10-27 2023-02-28 合肥通用机械研究院有限公司 Heat load self-adaptive gas turbine cooling air waste heat recovery system and control method

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ES2704988T3 (en) 2019-03-21
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EP2841869A1 (en) 2015-03-04
KR20150003848A (en) 2015-01-09
JP2015514957A (en) 2015-05-21

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