CN209263736U - Convenient for the dedicated plate-fin heat exchanger for examining installation - Google Patents

Abstract

The utility model provides a kind of plate-fin heat exchanger convenient for dedicated inspection installation, is related to field of heat exchangers；Including core；The core includes the channel for fluid circulation；The channel includes the passage of heat of heat donor fluid circulation and the cold passage for cold fluid circulation；From top to bottom successively interval is arranged for the passage of heat and the cold passage；Partition is provided between the passage of heat and the cold passage；The channel is in a ring；Fin is provided in the channel；The channel is divided into several fin channels by the fin；The fin channels are arranged radially along the channel；The width of the fin channels is gradually increased from the one end in the center of circle close to the channel to the one end in the center of circle far from the channel.It is provided by the utility model to examine the plate-fin heat exchanger installed convenient for dedicated, the width of fin channels is gradually increased by one end other end, solve the problems, such as in the prior art width of flow path it is constant cause hot fluid it is gradually cooling cause to slow, heat transfer efficiency is lower.

Description

Convenient for the dedicated plate-fin heat exchanger for examining installation

Technical field

The utility model relates to field of heat exchangers more particularly to a kind of plate-fin heat exchangers convenient for dedicated inspection installation.

Background technique

Plate-fin heat exchanger is usually made of partition, fin, strip of paper used for sealing, flow deflector.Adjacent two partition room place fin, Flow deflector and strip of paper used for sealing form an interlayer, referred to as channel, and such interlayer is stacked according to the different modes of fluid, soldering Integral just to form core, core is the core of plate-fin heat exchanger.Plate-fin heat exchanger is widely used to petroleum, changes The industries such as work, natural gas processing.

Existing plate-fin heat exchanger fin channel width remains unchanged, and since inlet and outlet fluid temperature difference is big, causes to pass in and out Mouth fluid flow rate gap is big, and temperature end fluid flow rate is too fast, and low-temperature end fluid flow rate is excessively slow, causes heat-transfer effect poor；Heat exchanger Need to examine the installation dimension of product before the mounting, but existing heat exchanger geometry is irregular, examines work complicated, examines Speed is slow.

Utility model content

In view of the above-mentioned problems, the utility model provides a kind of plate-fin heat exchanger convenient for dedicated inspection installation, with solution Width of flow path certainly existing in the prior art is constant cause hot fluid it is gradually cooling cause to slow, heat transfer efficiency is lower asks Topic.

To achieve the above object, the technical solution that the utility model is taken are as follows:

It is provided by the utility model a kind of convenient for the dedicated plate-fin heat exchanger for examining installation, including core；The core Including the channel circulated for fluid；The channel includes the passage of heat of heat donor fluid circulation and the cold passage for cold fluid circulation； From top to bottom successively interval is arranged for the passage of heat and the cold passage；Be provided between the passage of heat and the cold passage every Plate；The channel is in a ring；Fin is provided in the channel；The channel is divided into several fin channels by the fin；Institute State fin channels being arranged radially along the channel；The width of the fin channels from close to the channel the center of circle one end to The one end in the center of circle far from the channel is gradually increased；It further include hot fluid inlet, hot fluid outlet ports, cold fluid inlet and cold flow Body outlet；Hot fluid inlet one end wide with the fin channels of the passage of heat is connected to；The hot fluid outlet ports with The narrow one end connection of the fin channels of the passage of heat；The fin channels of the cold fluid inlet and the cold passage Narrow one end connection；Cold fluid outlet one end wide with the fin channels of the cold passage is connected to.

It is provided by the utility model convenient for it is dedicated examine installation plate-fin heat exchanger, it is preferable that described in adjacent two pieces every The strip of paper used for sealing for sealing the channel is provided between plate；The strip of paper used for sealing is set to the big side of the fin channels width；The wing There is interval between piece and the strip of paper used for sealing；The hot fluid inlet and the cold fluid outlet are set to the strip of paper used for sealing and the fin Between.

It is provided by the utility model to examine the plate-fin heat exchanger installed convenient for dedicated, it is preferable that the hot fluid inlet Several partitions are sequentially passed through downwards by the upper end of the core；The hot fluid inlet is connected to the passage of heat, described The logical sealing element of block fluid flow is provided between hot fluid inlet and the cold passage；The cold fluid outlet is by the core Upper end sequentially pass through several partitions downwards；The cold fluid outlet is connected to the cold passage, the cold fluid outlet The logical sealing element of block fluid flow is provided between the passage of heat.

It is provided by the utility model to examine the plate-fin heat exchanger installed convenient for dedicated, it is preferable that along diameter in the channel To being vertically arranged with several demarcation plates；The height of the demarcation plate is identical as the height in the channel；The length of the demarcation plate It is identical as the length in the channel；The channel partition is several first passages by several demarcation plates；Including several described Hot fluid inlet；Each of the passage of heat first passage is connected with hot fluid inlet described at least one；Including Several cold fluid outlets；Each of the cold passage first passage is connected with cold fluid outlet described at least one It is logical.

It is provided by the utility model to examine the plate-fin heat exchanger installed convenient for dedicated, it is preferable that several demarcation plates The channel is divided into four first passages；Each of the passage of heat first passage and a hot-fluid Body inlet communication；Each of the cold passage first passage is connected to a cold fluid outlet.

It is provided by the utility model to examine the plate-fin heat exchanger installed convenient for dedicated, it is preferable that the partition is rounded； The center of circle in the center of circle of the partition and the channel is same point；The exradius phase of the radius of the partition and the channel Together；The hot fluid outlet ports and the cold fluid inlet are set in the inner circle in the channel；The hot fluid outlet ports are by described The lower end of core sequentially passes through several partitions upwards, and the hot fluid outlet ports are connected to the passage of heat, the hot fluid The logical sealing element of block fluid flow is provided between outlet and the cold passage；The cold fluid inlet by the core lower end Sequentially pass through several partitions upwards, the cold fluid inlet is connected to the cold passage, the cold fluid outlet with it is described The logical sealing element of block fluid flow is provided between the passage of heat.

It is provided by the utility model to examine the plate-fin heat exchanger installed convenient for dedicated, it is preferable that the core is in cylinder The bodily form.

It is provided by the utility model to examine the plate-fin heat exchanger installed convenient for dedicated, it is preferable that the fin is straight One of shape fin, serrated fin, corrugated fins, porous fin, shutter shape fin or a variety of combinations.

Above-mentioned technical proposal, have the following advantages that or the utility model has the advantages that

1. being provided with fin in channel, fin divides the channel into several fin channels, wing by circularizing channel setting Piece channel is arranged radially along channel, and the width of fin channels is from the one end in the center of circle close to channel to the center of circle far from channel One end is gradually increased, and hot fluid flows to narrow one end from the wide one end of fin channels, due to the width of the fin channels of the passage of heat It is gradually reduced, thermal fluid flow is constant, and fin channels width reduces, so that hot fluid flow velocity increases, efficiently solves existing skill In art width of flow path it is constant cause hot fluid it is gradually cooling cause to slow, the problem of heat transfer efficiency is lower.

2. since core is in cylindrical, hot fluid inlet, hot fluid outlet ports, cold fluid inlet, cold fluid outlet difference It is set on two bottom surfaces of core, cylindrical is regular figure, therefore the dimension control of core is extremely convenient, as long as again will The dimension control of hot fluid inlet, hot fluid outlet ports, cold fluid inlet, cold fluid outlet comes out, that is, can determine the utility model The installation dimension convenient for the dedicated plate-fin heat exchanger for examining installation provided；Efficiently solve heat exchanger geometry in the prior art Irregularly causing installation dimension to be examined, work is complicated, examines slow-footed problem.

Detailed description of the invention

In detailed description of non-limiting embodiments in conjunction with the following drawings, the utility model can be better understood Features described above and advantage.Identical label indicates identical part in all the attached drawings.It is not drawn to scale deliberately attached Figure, it is preferred that emphasis is show the purport of the utility model.

Fig. 1 is the plate-fin heat exchanger and its top knot convenient for dedicated inspection installation that the utility model embodiment 1 provides Structure schematic diagram；

Fig. 2 is the plate-fin heat exchanger and its bottom knot convenient for dedicated inspection installation that the utility model embodiment 1 provides Structure schematic diagram；

Fig. 3 is the knot in the plate-fin heat exchanger channel convenient for dedicated inspection installation that the utility model embodiment 1 provides Structure schematic diagram；

Fig. 4 is the plate-fin heat exchanger hot fluid outlet ports convenient for dedicated inspection installation that the utility model embodiment 1 provides Structural schematic diagram；

Fig. 5 is the plate-fin heat exchanger cold fluid inlet convenient for dedicated inspection installation that the utility model embodiment 1 provides Structural schematic diagram；

Fig. 6 is the plate-fin heat exchanger hot fluid inlet convenient for dedicated inspection installation that the utility model embodiment 1 provides Structural schematic diagram；

Fig. 7 is the plate-fin heat exchanger cold fluid outlet convenient for dedicated inspection installation that the utility model embodiment 1 provides Structural schematic diagram.

Specific embodiment

The utility model is further described in the following with reference to the drawings and specific embodiments, but it is practical new not as this The restriction of type.

Embodiment 1:

As shown in Figures 1 to 7, a kind of plate-fin convenient for dedicated inspection installation that the utility model embodiment 1 provides changes Hot device, including core 1；Core 1 includes the channel 6 for fluid circulation；Channel 6 includes the passage of heat 61 of heat donor fluid circulation and supplies The cold passage 62 of cold fluid circulation；From top to bottom successively interval is arranged for the passage of heat 61 and cold passage 62；The passage of heat 61 and cold passage Partition 2 is provided between 62；Channel 6 is in a ring；Fin 3 is provided in channel 6；Fin 3 divides in channel 6 for several fin channels 31；Fin channels 31 are arranged radially along channel 6；The width of fin channels 31 is from the one end in the center of circle close to channel 6 to separate The one end in the center of circle in channel 6 is gradually increased；It further include hot fluid inlet 41, hot fluid outlet ports 42, cold fluid inlet 43 and cold flow Body outlet 44；The one end wide with the fin channels 31 of the passage of heat 61 of hot fluid inlet 41 is connected to；Hot fluid outlet ports 42 and the passage of heat The narrow one end connection of 61 fin channels 31；The one end narrow with the fin channels 31 of cold passage 62 of cold fluid inlet 43 is connected to；It is cold The one end wide with the fin channels 31 of cold passage 62 of fluid outlet 44 is connected to；Heat exchanger in the prior art, fin channels 31 are wide Spend constant, when hot fluid is gradually cooled, hot fluid temperature decline causes hot fluid viscosity to increase, volume reduces, and leads to hot-fluid Body flows decrease, heat transfer efficiency reduce, and are easy to cause fouling in channel 7, blocking；Therefore, the utility model embodiment 1 mentions A kind of plate-fin heat exchanger convenient for dedicated inspection installation has been supplied, has been circularized by the way that channel 6 to be arranged, is provided with wing in channel 6 Piece 3, fin 3 divide in channel 6 for several fin channels 31, and fin channels 31 are arranged radially along channel 6, the width of fin channels 31 Spend and be gradually increased from the one end in the center of circle close to channel 6 to the one end in the center of circle far from channel 6, further include hot fluid inlet 41, Hot fluid outlet ports 42, cold fluid inlet 43 and cold fluid outlet 44, hot fluid inlet 41 and the fin channels 31 of the passage of heat 61 are wide One end connection, the one end narrow with the fin channels 31 of the passage of heat 61 of hot fluid outlet ports 42 be connected to, and cold fluid inlet 43 is led to cold The narrow one end connection of the fin channels 31 in road 62, the one end wide with the fin channels 31 of cold passage 62 of cold fluid outlet 44 is connected to； For hot fluid after the entrance of hot fluid inlet 41, one end wide from fin channels 31 flows to narrow one end, is then gone out by hot fluid Mouth 42 flows out, and since the width of the fin channels 31 of the passage of heat 61 is gradually reduced, thermal fluid flow is constant, 31 width of fin channels Reduce so that hot fluid flow velocity increase, efficiently solve width of flow path in the prior art it is constant cause hot fluid gradually cooling draw Rise slow, the problem of heat transfer efficiency is lower.

It is highly preferred that being provided with the strip of paper used for sealing 8 of sealed passage 6 between adjacent two pieces of partitions 2；Strip of paper used for sealing 8 is set to fin channels The big side of 31 width；There is interval 21 between fin 3 and strip of paper used for sealing 8；Hot fluid inlet 41 and cold fluid outlet 44 are set to strip of paper used for sealing 8 Between fin 3；By the way that interval 21 is arranged between fin 3 and strip of paper used for sealing 8, so as to the partition between strip of paper used for sealing 8 and fin 3 Upper setting hot fluid inlet 41 and cold fluid outlet 44；Since structure is complicated for fin 3, fluid is set directly on fin 3 and is passed in and out Mouth will lead to processing difficulties, and cost greatly increases；Strip of paper used for sealing 8 plays a part of sealed passage 6, and fluid is arranged on strip of paper used for sealing 8 and passes in and out Mouth is then easy to cause heat exchanger leakage；Therefore, fluid inlet and outlet is set on straight partition 2, the processing is simple, and it is convenient for production, Production cost is low.

It is highly preferred that hot fluid inlet 41 sequentially passes through downwards several partitions 2 by the upper end of core 1；Hot fluid inlet 41 It is connected to the passage of heat 61, the logical sealing element 7 of block fluid flow is provided between hot fluid inlet 41 and cold passage 62；Cold fluid goes out Mouth 44 sequentially passes through downwards several partitions 2 by the upper end of core 1；Cold fluid outlet 44 is connected to cold passage 62, cold fluid outlet The logical sealing element 7 of block fluid flow is provided between 44 and the passage of heat 61；By by hot fluid inlet 41 from the upper end of core 1 to Under sequentially pass through several partitions 2, hot fluid inlet 41 is connected to the passage of heat 61, is arranged between hot fluid inlet 41 and cold passage 62 The sealing element 7 for having block fluid flow logical, cold fluid outlet 44 sequentially pass through downwards several partitions 2, cold fluid by the upper end of core 1 Outlet 44 is connected to cold passage 62, and the logical sealing element 7 of block fluid flow is provided between cold fluid outlet 44 and the passage of heat 61；Make Cold fluid outlet 44 and hot fluid inlet 41 only need to be respectively set a pipeline can be realized hot fluid inlet 41 only with heat The connection of channel 61, cold fluid outlet 44 are only connected to cold passage 62；It avoids between hot fluid inlet 41 and each passage of heat 61 One pipeline is set, avoids that a pipeline is arranged between cold fluid outlet 44 and each cold passage 62, reduces the production of pipeline, On the one hand, production cost is saved；On the other hand, pipeline excessively will lead to heat exchanger structure complexity, it is difficult to realize effective sealing, It is easy to cause the leakage of heat exchanger.

It is highly preferred that being radially vertically arranged with several demarcation plates 5 in channel 6；The height of demarcation plate 5 and the height in channel 6 It spends identical；The length of demarcation plate 5 is identical as the length in channel 6；Channel 6 is divided into several first passages 63 by several demarcation plates 5； Including several hot fluid inlets 41；Each first passage 63 in the passage of heat 61 is connected at least one hot fluid inlet 41； Including several cold fluid outlets 44；Each first passage 63 in cold passage 62 is connected at least one cold fluid outlet 44； When hot fluid enters in channel 6 from the passage of heat 41, since hot fluid inlet 41 is set between fin 3 and strip of paper used for sealing 8, and channel In a ring, and hot fluid is flowed inwardly by the outside of circular passage 6, cause hot fluid inlet 41 need be arranged enough to Greatly, it just can guarantee that hot fluid supply amount is sufficient, and excessive, production and processing difficulty increase, production cost is arranged in hot fluid inlet 41 It improves；Therefore, channel 6 is divided into several first passages 63 by being radially vertically arranged with several demarcation plates in channel 6, Including several hot fluid inlets 41, each first passage 63 in the passage of heat 61 is connected at least one hot fluid inlet 41, Including several cold fluid outlets 44, each first passage 63 in cold passage 62 is connected at least one cold fluid outlet 44, One hot fluid inlet 41 only needs to supply the thermal fluid flow of a first passage 63, and the processing of hot fluid inlet 41 needs It asks and substantially reduces, save production cost.

It is highly preferred that channel 6 is divided into four first passages 63 by several demarcation plates 5；Each of passage of heat 61 first Channel 63 is connected to a hot fluid inlet 41；Each first passage 63 and a cold fluid outlet 44 in cold passage 62 connect It is logical.

It is highly preferred that partition 2 is rounded；The center of circle of partition 2 and the center of circle in channel 6 are same point；The radius of partition 2 and logical The exradius in road 6 is identical；Hot fluid outlet ports 42 and cold fluid inlet 43 are set in the inner circle in channel 6；Hot fluid outlet ports 42 Several partitions 2 are sequentially passed through by the lower end of core 1 upwards, hot fluid outlet ports 42 are connected to the passage of heat 61, hot fluid outlet ports 42 with The logical sealing element 7 of block fluid flow is provided between cold passage 62；Cold fluid inlet 43 is sequentially passed through upwards by the lower end of core 1 Several partitions 2, cold fluid inlet 43 are connected to cold passage 62, and blocking fluid is provided between cold fluid outlet 44 and the passage of heat 61 The sealing element 7 of circulation；Since hot fluid outlet ports 42 and the one end narrow with channel 6 of cold fluid inlet 43 are connected to, hot fluid is caused to go out Mouth 42 and cold fluid inlet 43 need to be set to the intermediate position of core 1, and an access structure is arranged excessively with each channel 6 It is complicated, it is difficult to implement, therefore the plate-fin heat exchanger convenient for dedicated inspection installation that the utility model embodiment 1 provides, pass through Hot fluid outlet ports 42 are sequentially passed through into several partitions 2 by the lower end of core 1 upwards, hot fluid outlet ports 42 are connected to the passage of heat 61, Block fluid flow logical sealing element 7 is set between hot fluid outlet ports 42 and cold passage 62, cold fluid inlet 43 by core 1 lower end Several partitions 2 are sequentially passed through upwards, and cold fluid inlet 43 is connected to cold passage 62, is set between cold fluid outlet 44 and the passage of heat 61 Set the logical sealing element 7 of block fluid flow；Cold fluid inlet 43 and hot fluid outlet ports 42 only need that an access is arranged respectively Realize that the one end narrow with cold passage 62 of cold fluid inlet 43 is connected to, one end that hot fluid outlet ports are narrow with the passage of heat is connected to.

It is highly preferred that core 1 is in cylindrical；Since core 1 is in cylindrical, hot fluid inlet 41, hot fluid outlet ports 42, cold fluid inlet 43, cold fluid outlet 44 are respectively arranged on two bottom surfaces of core, and cylindrical is regular figure, because The dimension control of this core 1 is extremely convenient, as long as again by hot fluid inlet 41, hot fluid outlet ports 42, cold fluid inlet 43, cold flow The dimension control of body outlet 44 comes out, that is, can determine the plate wing convenient for dedicated inspection installation that the utility model embodiment 1 provides The installation dimension of formula heat exchanger；Efficiently solving heat exchanger geometry in the prior art irregularly causes installation dimension to examine work multiple Miscellaneous, the slow-footed problem of inspection.

It is highly preferred that fin 3 is plain fin, serrated fin, corrugated fins, porous fin, shutter shape One of fin or a variety of combinations.

Using the utility model embodiment 1 provide convenient for it is dedicated examine installation plate-fin heat exchanger when, hot fluid from Four hot fluid inlets 41 on the bottom surface of 1 one end of core flow into, and then respectively enter four first passages 63 of the passage of heat 61 It is interior, fin channels 31 are flowed through, and narrow one end is flowed to by the wide one end of fin channels 31, hot fluid is continuous in fin channels 31 It is accelerated；Hot fluid is flowed out from the narrow one end of fin channels 31 from the hot fluid outlet ports 42 of 1 other end of core；Cold fluid is from core The cold fluid inlet 43 of 1 other end flows into, and subsequently enters in four first passages 63 of cold passage 62, flows through fin channels 31, and wide one end is flowed to by the narrow one end of fin channels 31, cold fluid after the wide one end outflow of fin channels 31 respectively from Four cold fluid outlets 44 of 1 one end of core flow out.

In conclusion the utility model embodiment 1 provide convenient for it is dedicated examine installation plate-fin heat exchanger, pass through by The setting of channel 6 circularizes, and fin 3 is provided in channel 6, fin 3 divides in channel 6 for several fin channels 31, fin channels 31 Along being arranged radially for channel 6, the width of fin channels 31 is from the one end in the center of circle close to channel 6 to the center of circle far from channel 6 One end is gradually increased, and hot fluid flows to narrow one end from the wide one end of fin channels 31, due to the fin channels 31 of the passage of heat 61 Width be gradually reduced, thermal fluid flow is constant, 31 width of fin channels reduce so that hot fluid flow velocity increase, effectively solve In the prior art width of flow path it is constant cause hot fluid it is gradually cooling cause to slow, the problem of heat transfer efficiency is lower；By It is in cylindrical in core 1, hot fluid inlet 41, hot fluid outlet ports 42, cold fluid inlet 43, cold fluid outlet 44 are respectively set In on two bottom surfaces of core, cylindrical is regular figure, therefore the dimension control of core 1 is extremely convenient, as long as again will be hot The dimension control of fluid inlet 41, hot fluid outlet ports 42, cold fluid inlet 43, cold fluid outlet 44 comes out, that is, can determine this reality The installation dimension convenient for the dedicated plate-fin heat exchanger for examining installation provided with new embodiment 1；Efficiently solve existing skill Heat exchanger geometry irregularly causes installation dimension to examine work complexity, examine slow-footed problem in art.

It should be appreciated by those skilled in the art that those skilled in the art combine the prior art and above-described embodiment can be real The existing change case, it will not be described here.Such change case has no effect on the substantive content of the utility model, not superfluous herein It states.

The preferred embodiment of the utility model is described above.It is to be appreciated that the utility model not office It is limited to above-mentioned particular implementation, devices and structures not described in detail herein should be understood as with the common side in this field Formula is practiced；Anyone skilled in the art, do not depart from technical solutions of the utility model make it is many possible Changes and modifications or equivalent example modified to equivalent change, this has no effect on the substantive content of the utility model.Therefore, All contents without departing from technical solutions of the utility model, it is made to the above embodiment according to the technical essence of the utility model Any simple modifications, equivalents, and modifications, still fall within technical solutions of the utility model protection in the range of.

Claims (8)

1. a kind of convenient for the dedicated plate-fin heat exchanger for examining installation, including core；The core includes for the logical of fluid circulation Road；The channel includes the passage of heat of heat donor fluid circulation and the cold passage for cold fluid circulation；The passage of heat with it is described cold Channel successively interval setting from top to bottom；Partition is provided between the passage of heat and the cold passage；It is characterized in that, described Channel is in a ring；Fin is provided in the channel；The channel is divided into several fin channels by the fin；The fin is logical Road is arranged radially along the channel；The width of the fin channels is from the one end in the center of circle close to the channel to far from described The one end in the center of circle in channel is gradually increased；It further include hot fluid inlet, hot fluid outlet ports, cold fluid inlet and cold fluid outlet； Hot fluid inlet one end wide with the fin channels of the passage of heat is connected to；The hot fluid outlet ports and the heat are logical The narrow one end connection of the fin channels in road；The narrow one end of the fin channels of the cold fluid inlet and the cold passage Connection；Cold fluid outlet one end wide with the fin channels of the cold passage is connected to.

2. as described in claim 1 convenient for the dedicated plate-fin heat exchanger for examining installation, which is characterized in that described in adjacent two pieces The strip of paper used for sealing for sealing the channel is provided between partition；The strip of paper used for sealing is set to the big side of the fin channels width；It is described There is interval between fin and the strip of paper used for sealing；The hot fluid inlet and the cold fluid outlet are set to the strip of paper used for sealing and the wing Between piece.

3. as claimed in claim 2 convenient for it is dedicated examine installation plate-fin heat exchanger, which is characterized in that the hot fluid into Mouth sequentially passes through downwards several partitions by the upper end of the core；The hot fluid inlet is connected to the passage of heat, institute It states and is provided with the logical sealing element of block fluid flow between hot fluid inlet and the cold passage；The cold fluid outlet is by the core The upper end of body sequentially passes through downwards several partitions；The cold fluid outlet is connected to the cold passage, and the cold fluid goes out The logical sealing element of block fluid flow is provided between mouth and the passage of heat.

4. as claimed in claim 2 convenient for the dedicated plate-fin heat exchanger for examining installation, which is characterized in that edge in the channel Radial direction is vertically arranged with several demarcation plates；The height of the demarcation plate is identical as the height in the channel；The length of the demarcation plate It spends identical as the length in the channel；The channel partition is several first passages by several demarcation plates；Including several institutes State hot fluid inlet；Each of the passage of heat first passage is connected with hot fluid inlet described at least one；Packet Include several cold fluid outlets；Each of the cold passage first passage and cold fluid outlet phase described at least one Connection.

5. as claimed in claim 4 convenient for the dedicated plate-fin heat exchanger for examining installation, which is characterized in that several separations The channel is divided into four first passages by plate；Each of the passage of heat first passage and the heat Fluid inlet connection；Each of the cold passage first passage is connected to a cold fluid outlet.

6. as described in claim 1 convenient for the dedicated plate-fin heat exchanger for examining installation, which is characterized in that the partition is in circle Shape；The center of circle in the center of circle of the partition and the channel is same point；The exradius of the radius of the partition and the channel It is identical；The hot fluid outlet ports and the cold fluid inlet are set in the inner circle in the channel；The hot fluid outlet ports are by institute The lower end for stating core sequentially passes through several partitions upwards, and the hot fluid outlet ports are connected to the passage of heat, the hot-fluid The logical sealing element of block fluid flow is provided between body outlet and the cold passage；The cold fluid inlet is by under the core End sequentially passes through several partitions upwards, and the cold fluid inlet is connected to the cold passage, the cold fluid outlet and institute It states and is provided with the logical sealing element of block fluid flow between the passage of heat.

7. as described in claim 1 convenient for the dedicated plate-fin heat exchanger for examining installation, which is characterized in that the core is in circle Cylinder shape.

8. as according to any one of claims 1 to 7 convenient for the dedicated plate-fin heat exchanger for examining installation, which is characterized in that The fin be one of plain fin, serrated fin, corrugated fins, porous fin, shutter shape fin or A variety of combinations.