CN209310587U

CN209310587U - Heat exchange unit, regenerative apparatus and heat-exchange system

Info

Publication number: CN209310587U
Application number: CN201821793600.8U
Authority: CN
Inventors: 高闯; 黄伟光
Original assignee: Shanghai Advanced Research Institute of CAS
Current assignee: Shanghai Advanced Research Institute of CAS
Priority date: 2018-11-01
Filing date: 2018-11-01
Publication date: 2019-08-27
Anticipated expiration: 2028-11-01

Abstract

The utility model provides a kind of heat exchange unit, regenerative apparatus and heat-exchange system, heat exchange unit includes: first partition and the first fin component, second partition and the second fin component, side and second partition of the first partition far from the first fin component are oppositely arranged far from the side of the second fin component, to form an inner space area；Third fin component, is set in inner space area, and different fluids is flowed from inner space area and via third fin component and from outside inner space area and via at least one of the first fin component and the second fin component respectively.The heat exchange unit of the utility model can realize effective heat exchange based on different fin components, cold and hot side fin component can be with independent design, reduce flow losses of two side liquids in the larger situation of pressure difference, regenerative apparatus can be annular regenerative apparatus, equipment is wrapped in interior, rationally distributed, structure is simple, and the flowing of effective cold fluid and hot fluid is realized with shorter path and bulk.

Description

Heat exchange unit, regenerative apparatus and heat-exchange system

Technical field

The utility model belongs to technical field of heat exchange, more particularly to a kind of heat exchange unit, regenerative apparatus and heat-exchange system.

Background technique

(backheat) technology of heat exchange is an important means in current industrial technology, however, in many application fields, such as Technical field of gas turbine, heat exchange unit and heat-exchanger rig etc. are difficult to effective heat exchange.

Wherein, Gas Turbine Generating Units are a kind of using gas turbine as the power generator of power, generally mainly by combustion gas Turbine, generator, shaft coupling, pedestal, cabinet, activation system, oil system, fuel system, electric control system, cabinet ventilation The composition such as system, gas turbine air inlet system and exhaust system, fire-fighting system.It is mainly used for conference centre, hospital, megastore, hotel etc. In addition the spare emergent power source of important place, the necessary mobile power source of the field works such as oil field can also be assisted with waste heat boiler etc. Equipment forms the distributed energy resource system that combined cycle system is used for hot and cold, electric trilogy supply.

However, existing gas turbine mostly uses greatly simple cycle, and for small size gas turbine, due to size Limitation often uses less compressor series, thus pressure ratio is lower and turbine inlet temperature is not also high, so as to cause simple cycle Low efficiency, for that can use the occasion of cogeneration of heat and power, especially to the higher occasion of heat demand, the disadvantage of low efficiency is simultaneously unknown It is aobvious.However, for the occasion of more demanding generating efficiency, the disadvantage of small size gas turbine is just embodied, although small-sized combustion The advantage that gas-turbine has size small, light-weight, but the poor efficiency of simple cycle is difficult to meet the needs of high Generation Rate, at present It is difficult to provide the waste heat that can make full use of exhaust, so that generating efficiency is improved, but again cannot be to sacrifice small size gas turbine Small, the light-weight advantage of size is the backheat equipment of cost.

Therefore, a kind of heat exchange unit, regenerative apparatus and heat-exchange system how are provided, especially efficiently, compact, light Regenerator is necessary with solving the above problem in the prior art.

Utility model content

In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of heat exchange units, backheat Device and heat-exchange system, for solving low heat exchange unit heat exchange efficiency in the prior art and heat-exchanger rig and heat-exchange system layout Unreasonable, complex structure and other problems.

In order to achieve the above objects and other related objects, the utility model provides a kind of heat exchange unit, the heat exchange unit Include:

First partition and the first fin component, first fin component are set to the first partition surface；

Second partition and the second fin component, second fin component are set to the second partition surface, wherein institute State side of the first partition far from first fin component and side of the second partition far from second fin component It is oppositely arranged, to form an inner space area；And

Third fin component is set in the inner space area, wherein in the inner space area and passes through institute The space for stating third fin component forms first runner, and the inner space area is outer and process first fin component and institute The space for stating at least one of second fin component forms second flow channel, and different fluids is respectively from the first runner and institute Second flow channel is stated to be flowed to realize the heat exchange between different fluid.

As a kind of optinal plan of the utility model, the first partition is divided by first fin component to be located at The second partition is divided by the first area of first fin component two sides and second area, second fin component Third region and the fourth region positioned at second fin component two sides, wherein the first area and the third region It is corresponding, the first guiding region is formed, the second area is corresponding with the fourth region, forms the second guiding region.

As a kind of optinal plan of the utility model, at least one of inside and out first guiding region on It is provided with the first flow deflector component；The second flow deflector is provided at least one of inside and out second guiding region Component.

As a kind of optinal plan of the utility model, the third fin component and the first partition and described second Partition contacts, and first fin component, second fin component and the third fin component are correspondingly arranged.

As a kind of optinal plan of the utility model, first direction of first fin component along the first partition Extend, second fin component extends along the second direction of the second partition, wherein the first direction and described second Direction is consistent, and along the both ends of the first partition perpendicular to the first direction and perpendicular to described in the second direction The both ends of second partition respectively correspond setting the first strip of paper used for sealing and the second strip of paper used for sealing, to be formed along perpendicular to the first direction and described The penetrating inner space area in second direction.

As a kind of optinal plan of the utility model, first fin component includes the first heat exchanger plates, and described the The curved extension of one heat exchanger plates；Second fin component includes the second heat exchanger plates, and the curved extension of the second heat exchanger plates.

As a kind of optinal plan of the utility model, formed between first heat exchanger plates and the first partition several A first external channel, forms several the second external channels between first heat exchanger plates, and first external channel with Second external channel is intervally arranged；It is formed between second heat exchanger plates and the second partition logical outside several thirds Road forms several the 4th external channels between second heat exchanger plates, and outside the third external channel and the described 4th Channel spacing arrangement.

The utility model also provides a kind of regenerative apparatus, and the regenerative apparatus includes:

First cover board is provided with several first jacks for running through first cover board in first cover board；

Second cover board is provided with several second jacks for running through second cover board in second cover board；And

Heat exchange structure is set between first cover board and second cover board, and the heat exchange structure includes several Heat exchange unit as described in above-mentioned any one scheme, wherein one end of the heat exchange unit is set in first jack, The opposite other end of the heat exchange unit is set in second jack, so that each heat exchange unit is described interior Portion's area of space constitutes the first runner, and the region between the adjacent heat exchange unit constitutes the second flow channel.

As a kind of optinal plan of the utility model, first cover board is arranged in parallel with second cover board；It is described The shape of first cover board includes annular or first cover board includes the first cover plate unit of several fan-shaped shapes, and described the The shape of two cover boards includes annular or second cover board includes the second cover plate unit of several fan-shaped shapes.

As a kind of optinal plan of the utility model, first jack is uniformly set along the circumferential direction of first cover board It sets, second jack is uniformly arranged along the circumferential direction of second cover board；The shape of first jack includes involute, institute The shape for stating the second jack includes involute.

As a kind of optinal plan of the utility model, several first flange holes, institute are provided on first cover board It states and is provided with several second flange holes on the second cover board.

As a kind of optinal plan of the utility model, first fin component between the adjacent heat exchange unit Top corresponds to and is in contact at the top of second fin component.

As a kind of optinal plan of the utility model, sealing structure is additionally provided on the heat exchange structure, wherein described Sealing structure is arranged at the heat exchange structure and corresponds to each first fin component and each second fin component region Periphery.

As a kind of optinal plan of the utility model, first cover board and second cover board are correspondingly formed ring junction Structure, the sealing structure include inner ring seal structure and outer ring seal structure, wherein the inner ring seal structure setting is in described The inner ring surface of ring structure, the outer ring seal structure setting is in the external annular surface of the ring structure.

The utility model also provides a kind of heat regenerative system, and the heat regenerative system includes as described in above-mentioned any one scheme Regenerative apparatus.

As a kind of optinal plan of the utility model, the heat regenerative system includes gas turbine, the gas turbine packet Include combustion chamber, wherein first cover board and second cover board are correspondingly formed ring structure, so that the regenerative apparatus structure At an annular regenerative apparatus, and the annular regenerative apparatus is at least wrapped in the periphery of the combustion chamber.

As a kind of optinal plan of the utility model, the gas turbine further includes compressing device and turbine apparatus, In, the fluid of the compressing device outlet is from the entrance of one end of the first runner and defeated from the other end of the first runner Out, the fluid of output enters the combustion chambers burn, and the fluid after burning does work into the turbine apparatus, acting The fluid afterwards enters from one end of the second flow channel and exports from the other end of the second flow channel.

As described above, the heat exchange unit of the utility model, regenerative apparatus and heat-exchange system, have the advantages that

The utility model provides a kind of heat exchange unit, regenerative apparatus and heat regenerative system, and the heat exchange unit of the utility model can To realize effective heat exchange based on different fin components, cold and hot side fin component can reduce two side liquids with independent design Flow losses in the larger situation of pressure difference, the regenerative apparatus of the utility model can be annular regenerative apparatus, can by equipment, In being wrapped in such as gas turbine dependency structure, the flowing of effective cold fluid and hot fluid is realized with shorter path and bulk, this Utility model can make full use of the waste heat of exhaust, improve efficiency, and the high-efficiency compact formula annular of gas turbine extraction cycle is returned Hot device, rationally distributed, structure is simple, realizes high heat exchange efficiency with shorter path, the lower pressure loss.

Detailed description of the invention

Fig. 1 is shown as the schematic diagram of heat exchange unit structure in an example provided by the utility model.

Fig. 2 is shown as the side view of heat exchange unit provided by the utility model.

Fig. 3 is shown as the partial structurtes enlarged diagram of heat exchange unit in Fig. 2.

Fig. 4 is shown as the structural schematic diagram of the first strip of paper used for sealing in an example provided by the utility model.

Fig. 5 is shown as the structural schematic diagram of regenerative apparatus provided by the utility model.

Fig. 6 is shown as the partial structural diagram of the first cover board of regenerative apparatus provided by the utility model.

Fig. 7 is shown as the schematic diagram of the sealing structure of regenerative apparatus in an example provided by the utility model.

Fig. 8 is shown as the scheme of installation provided by the utility model for the heat regenerative system on gas turbine.

Component label instructions

100 heat exchange units

101 first partitions

102 first fin components

103 second partitions

104 second fin components

105 inner space areas

106 third fin components

107 first areas

108 second areas

109 third regions

110 the fourth regions

111 first guiding regions

112 second guiding regions

113 first strip of paper used for sealings

114 second strip of paper used for sealings

115 first external channels

116 second external channels

117 third external channels

118 the 4th external channels

200 regenerative apparatus

201 first cover boards

202 first jacks

203 second cover boards

204 heat exchange structures

205 first flange holes

206 second flange holes

207 outer ring seal structures

300 combustion chambers

301 compressing devices

302 turbine apparatus

303 first runner entrances

The outlet of 304 first runners

305 second flow channel entrances

The outlet of 306 second flow channels

307 fuel nozzles

Specific embodiment

Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer With carrying out various modifications or alterations under the spirit without departing from the utility model.

Fig. 1 is please referred to Fig. 8.It should be noted that diagram provided in the present embodiment only illustrates this in a schematic way The basic conception of utility model, though it is only shown with related component in the utility model rather than when according to actual implementation in diagram Component count, shape and size are drawn, when actual implementation form, quantity and the ratio of each component can arbitrarily change for one kind Become, and its assembly layout form may also be increasingly complex.

As shown in Figs 1-4, the utility model provides a kind of heat exchange unit 100, and the heat exchange unit 100 includes:

First partition 101 and the first fin component 102, first fin component 102 are set to the first partition table Face；

Second partition 103 and the second fin component 104, second fin component 104 are set to the second partition table Face, wherein side of the first partition 101 far from first fin component 102 and the second partition 103 are far from described The side of second fin component 104 is oppositely arranged, to form an inner space area 105；And

Third fin component 106 is set in the inner space area 105, wherein the inner space area 105 Interior and form first runner via the space of the third fin component 106, the inner space area 105 is outer and via described The space of at least one of first fin component 102 and second fin component 104 forms second flow channel, different fluids It is flowed respectively from the first runner and the second flow channel to realize the heat exchange between different fluid.

Specifically, the utility model provides a kind of structure of heat exchange unit, the heat exchange unit 100 of the utility model is mainly wrapped Include first partition 101, second partition 103, the internal sky formed by the first partition 101 and the second partition 103 Between region 105 and the first fin component 102 being arranged in first partition, the second fin being arranged on the second partition Component 104 and the third fin component 106 being arranged in the inner space area, wherein first fin component 102, Second fin component 104 and the third fin component 106 can undertake main heat exchange function.The utility model shape At the heat exchange unit 100 in, first partition setting corresponding with a surface of the second partition optional is shown one In example, the opposite surface size of the two is consistent with shape, and has spacing between the opposite surface of two partitions, described in being formed Inner space area 105, wherein first fin component 102 and second fin component 104 are separately positioned on opposite The centre of two opposite partitions is arranged in the outer surface of two partitions, the third fin component 106, that is, is arranged described interior In portion's area of space.

It in the heat exchange unit work of the utility model, such as can be, a kind of fluid is from the inner space area It is flowed through in 105, via the third fin component 106 in flow process, namely flows through the first passage, another fluid It is flowed through outside the inner space area 105, can be and flow through from the other side of the first partition by described first Fin component 102 can also be that the other side from the second partition is flowed through by second fin component 104, certainly, It is also possible to flow through from the other side of the other side of the first partition and the second partition simultaneously, while described in process First fin component and second fin component, namely the second channel is flowed through, to realize between two kinds of fluids Heat exchange.As shown in Fig. 2, the side view of heat exchange unit in Fig. 1 is shown as, from one end edge of the inner space area 105 Fluid flow direction, it can be seen that form the second flow channel outside intermediate first runner and the first runner.

In addition, for the first partition 101, the second partition 103, first fin component 102, described second The selection of the material of fin component 102 and the third fin component 106 can be carried out according to the fluid actually to exchange heat Selection, such as can be 304 stainless steels.For the structure and set-up mode of first fin component 102, in one example, First fin component 102 may include several heat exchange items or heat exchanger fin, be uniformly arranged on the first partition surface, Certain first fin component is also possible to a heat transfer block or heat exchanger plates, is arranged on the first partition surface, wherein institute The set-up mode for stating the first fin component can be to be arranged on the surface of the first partition by way of welding etc., together Reason, the structure of second fin component 104 and the set-up mode on second partition can correspond to and first fins set The structure of part 102 and set-up mode in first partition are identical, in addition, the third fin component 106 may include several Perhaps heat exchanger fin is also possible to a heat transfer block or heat exchanger plates to a heat exchange item, can be arranged by bracket described internal empty Between in region 105, do not contacted with the first partition and the second partition, in an optional example, the third wing Piece component 106 at least with there are the sides of streaming flow to be in contact outside the inner space area, for example, when there are fluid via When first fin component 102, the third fin component 106 is with shown first partition far from first fin component The other side is in contact, so as to further increase the heat transfer effect between different fluid.In addition, first fin component 102, the width of second fin component 102 and the third fin component 106, length and height can be according to reality Demand is designed, in one example, the length of first fin component with the length of the first partition be generally in it is identical, it is wide For degree between the 1/4-1/2 of the first partition, the length of second fin component and the length of the second partition are general In identical, width is real while guaranteeing that equipment is stablized so as to be conducive between the 1/4-1/2 of the second partition Now effective heat exchange.

As an example, the first partition 101 is divided into positioned at first fins set by first fin component 102 The first area 107 of 102 two sides of part and second area 108, second fin component 104 divide the second partition 103 At the third region 109 and the fourth region 110 for being located at 104 two sides of the second fin component, wherein the first area 107 It is corresponding with the third region 109, the first guiding region 111 is formed, the second area 108 is corresponding with the fourth region 110, Form the second guiding region 112.

Specifically, in this example, having between first fin component 102 and the two edges of the first partition 101 Have spacing, that is, form the first area 107 and the second area 108, second fin component 104 with described second every There is spacing between the two edges of plate 103, that is, form the third region 109 and the fourth region 110, wherein described the One region 107 is corresponding with the third region 109, forms the first guiding region 111, the second area 108 and the 4th area Domain 110 is corresponding, forms the second guiding region 112, in an optional example, the shape in the first area and the third region and Size is corresponding consistent, and the size and shape of the second area and the fourth region are corresponding consistent, to form uniform institute State the first guiding region 111 and second guiding region 112, wherein when fluid flows to described second from first guiding region 111 When guiding region 112, first guiding region 111 is used as preceding water diversion part, and second guiding region 112 is used as rear water diversion part, Water diversion part is mainly used for adjusting resistance and realizes uniform assignment of traffic between heat exchange unit.

As an example, being provided with the first flow deflector at least one of inside and out first guiding region 111 Component；The second flow deflector component is provided at least one of inside and out second guiding region 112.

Specifically, in one example, when the heat exchange unit forms first guiding region 111 and second guiding region When 112, inside it or external flow deflector, i.e., the described first flow deflector component and the second flow deflector group can also be formed Part, wherein the inside of first guiding region 111 refers at 111 position of the first guiding region, the first partition and described Second partition is oppositely arranged, the inner space for first guiding region that the opposite side of the two is constituted, and outside refers to described the The side that one partition and the second partition are away from each other in first guiding region part, i.e., relative to first guiding region The other side of inner space, wherein the shape and structure of the first flow deflector component can be carried out according to actual demand Design, such as can be and several distributing fins is arranged in the inner space of first guiding region, similarly, second flow deflector The structure and design of component can be consistent with the first flow deflector component, the first flow deflector component and second water conservancy diversion Piece component is to guide the fluid by partition two sides.In addition, for example in technical field of gas turbine, the utility model it is described The length of first guiding region and second guiding region, the first distributing fin component and the second distributing fin component Density and density, the height of first fin component, second fin component and the third fin component etc. can be with It is determined by hydrodynamics method and test, is mainly used for meeting requirement of the gas turbine to crushing and inlet and outlet uniformity.

As an example, the third fin component 106 is contacted with the first partition 101 and the second partition 103, And first fin component 102, second fin component 104 and the third fin component 106 are correspondingly arranged.

Specifically, in an optional example, as shown in figure 3, the third fin component 106 and the first partition 101 And the second partition 103 contacts, and can be the third fin component 106 and is fixed on the first partition and described second It on partition, can such as fix by welding, so that contacting with two partitions, improve heat exchange efficiency.In addition, one In example, first fin component 102, second fin component 104 and the third fin component 106 are correspondingly arranged, That is three's position consistency for being set to two partition two sides, is further advantageously implemented while improving heat exchange efficiency and uniformly changes Heat.

As an example, first fin component 102 extends along the first direction of the first partition 101, described second Fin component 104 extends along the second direction of the second partition 103, wherein the first direction and the second direction one It causes, and along the both ends of the first partition 101 perpendicular to the first direction and perpendicular to described the of the second direction The both ends of two partitions 103 respectively correspond the first strip of paper used for sealing 113 of setting and the second strip of paper used for sealing 114, to be formed along perpendicular to the first party To and the second direction on the penetrating inner space area 105.

Specifically, it is shown in Figure 1, a kind of structure of heat exchange unit is provided in the example, wherein described first Partition forms on the surface of first fin component and defines a first direction, such as can be the length side of the first partition To forming second fin in the second partition shown in the extending direction of first fin component 102 as shown in figure 1 A second direction is defined on the surface of component, such as can be the length direction of the second partition, second wing as shown in figure 1 Shown in the extending direction of piece component 104, when the first partition and the second partition are oppositely arranged to form the inner space When region, the first direction is consistent with the second direction, to form first fin extended towards same direction Component 102 and second fin component 104, in addition, in an optional example, the extension side of the third fin component 106 To setting is also extended in the same direction with the two, to further increase heat exchange efficiency.

In addition, in one example, being arranged perpendicular to the other end of the first direction and the partition of the second direction Strip of paper used for sealing, wherein not meaning that vertically here is proper vertical, refers to for partition, such as described the For one partition, the first direction is the length direction along the first partition, then here perpendicular to the first direction Refer to the width direction along the first partition, here, forms first strip of paper used for sealing 113 and second strip of paper used for sealing 114 is sealing The end for the inner space area that the end namely two partitions of the first partition and the second partition are formed, such as flows Body is flowed along the first partition and the width direction of the second partition, at this point, sealing up the first partition and described Edge both ends on the length direction of second partition can prevent the fluid of opposite sides from leaking.Wherein, first strip of paper used for sealing 113 and the material of second strip of paper used for sealing 114 can be selected according to fluid.As shown in figure 4, providing described the in an example The structural schematic diagram of one strip of paper used for sealing 113, it can be seen that first strip of paper used for sealing is opposite by the first partition and the second partition It one end for answering while sealing, advantageously ensures that flowing of the fluid in first runner, prevent fluid from leaking.

As an example, first fin component 102 includes the first heat exchanger plates, and first heat exchanger plates are curved prolongs It stretches；Second fin component 104 includes the second heat exchanger plates, and the curved extension of the second heat exchanger plates.

As an example, the third fin component 106 includes third heat exchanger plates, and the third heat exchanger plates are curved prolongs It stretches.

As an example, forming several first external channels 115, institute between first heat exchanger plates and the first partition It states and forms several the second external channels 116 between the first heat exchanger plates, and first external channel and second outside are logical Road is intervally arranged；Form several third external channels 117 between second heat exchanger plates and the second partition, described second Several the 4th external channels 118, and the third external channel and the 4th external channel interval are formed between heat exchanger plates Arrangement.

Specifically, in one example, first fin component, second fin component and the third fins set Part is heat exchanger plates structure, and the heat exchanger plates complications are arranged, to increase the area of fin component, to improve fluid and wing The contact area of piece component improves heat exchange efficiency, wherein the mode for carrying out the tortuous setting includes the bending of rule and do not advise It then bends, waveform, sawtooth pattern and the square waveform etc. that the cross sectional shape of the heat exchanger plates of bending can be regular.

In addition, in an optional example, as shown in figure 3, it is shown as the partial enlarged view of heat exchange unit heat exchange main part, That is the partial enlarged view of location A in Fig. 2, the curved extension of the first heat exchanger plates, and between tortuous surface and described the The channel that fluid flows through is formed between one heat exchanger plates and the surface of the first partition, it is preferable that form uniformly arrangement and size The consistent first passage and the second channel are similarly preferably formed as uniformly arranging and the third of the same size are logical Road and the fourth lane, to be conducive to sufficiently uniformly exchange heat.In addition, the third fin component can also be designed to First heat exchanger plates and the similar structure of second heat exchanger plates, certainly, the third fin component is also designed to one The heat exchange net that kind is contacted with the first partition and the second partition guarantees that fluid can be by changing to improve The thermal efficiency.

In addition, as illustrated in figs. 5-7, the utility model also provides a kind of regenerative apparatus 200, the regenerative apparatus includes:

First cover board 201 is provided with several first jacks for running through first cover board in first cover board 201 202；

Second cover board 203 is provided with several second jacks for running through second cover board in second cover board 203； And

Heat exchange structure 204 is set between first cover board 201 and second cover board 203, the heat exchange structure 204 include the heat exchange unit 100 as described in several above-mentioned any one schemes such as the utility model, wherein the heat exchange is singly One end of member 100 is set in first jack 202, and the opposite other end of the heat exchange unit 100 is set to described the In two jacks 204, so that the inner space area 105 of each heat exchange unit constitutes the first runner, it is adjacent Region between the heat exchange unit 100 constitutes the second flow channel.

Specifically, the utility model also provides a kind of regenerative apparatus (heat-exchanger rig) 200, it is preferred to use the utility model institute The heat exchange unit of offer constitutes the heat exchange structure in the regenerative apparatus, wherein the regenerative apparatus includes the first cover board 201 and second cover board 203, it can be front shroud and back shroud respectively, further include that several described heat exchange units 100 are constituted The heat exchange structure 204, be arranged between first cover board and second cover board, be used to form different fluid and changed The runner of heat, wherein consolidating for the regenerative apparatus and machine may be implemented in first cover board 201 and second cover board 203 It is fixed, such as gas turbine, at the same time it can also realize the isolation of cold and hot side liquid.First cover board 201 and second cover board 203 material can be selected according to the fluid to exchange heat, such as can be stainless steel.

Specifically, first jack 202 runs through first cover board 201, second jack 204 runs through described second Cover board 203, as shown in fig. 6, being formed with several first jacks 202, the backheat of the utility model on first cover board Device during the work time, the aperture position of the inner space area for flowing through fluid of heat exchange unit insertion described the In one jack and the second jack, so that a kind of fluid via first jack and second jack and can pass through institute It states inner space area and flows to another cover board from a cover board, that is, flow through the first runner, i.e., a kind of stream in practical heat transfer process Body is axially flowed along diaphragm internal, and another fluid is flowed between each adjacent heat exchange unit, that is, flows through institute State second flow channel, wherein first jack and second jack can be provided with first cover board and described in advance In two cover boards, the heat exchange unit is inserted into first jack and second jack, can also be fixed by sealed with brazing. It is mutually restricted from the cold and hot side heat exchange fin size of master (former/primary) surface exchanger and freely overlaps different, the utility model The cold and hot side heat exchange fin of regenerative apparatus structure (i.e. described first fin component, second fin component and the third fin Component) can independent design, while reducing flow losses of two side liquids in the larger situation of pressure difference, main cause is high-pressure spray Body is consistent with the mass flow of low-pressure fluid, and has any different since the difference of pressure will lead to density, and volume flow has area Not, if that if the two parts are unable to independent design, then flow velocity, with regard to different, the inconsistent crushing of flow velocity is naturally different It causes.

As an example, first cover board 201 is arranged in parallel with second cover board 203, the shape of first cover board 201 Shape includes annular or first cover board includes the first cover plate unit of several fan-shaped shapes, second cover board 203 Shape includes annular or second cover board includes the second cover plate unit of several fan-shaped shapes.

As an example, first jack 202 is uniformly arranged along the circumferential direction of first cover board 201, second jack 204 are uniformly arranged along the circumferential direction of second cover board 203.

As an example, the shape of first jack includes involute, the shape of second jack includes involute Shape.

Specifically, in one example, 201 plate of the first lid and second cover board 203 can be annular, and size one It causes, is arranged in parallel, so that the regenerative apparatus of annular is constituted, as shown in figure 5, the regenerative apparatus that setting circularizes, such as combustion gas In turbine, regenerative apparatus (returning hot-charging device) is placed in (including rear portion, top etc.) different, this reality outside gas turbine from conventional In gas turbine being wrapped in novel annular regenerator, effective hot and cold stream is realized with shorter path and bulk The flowing of body.In addition, first cover board is also possible to include several fan-shaped described first lids in another optional example Plate unit, so that several first fan-shaped cover plate units can splice the structure circularized, the mode specifically spliced can be with According to actual selection, it such as can be several sector structures close to seamless connection, be also possible to be intervally arranged, meanwhile, described the Two cover boards can be structure design identical with first cover board.In addition, in one example, first jack and described The shape of two jacks is designed as involute, i.e., the shape of the described heat exchange unit is involute, to increase heat exchange area, mentions High heat exchange efficiency, in addition, first jack and second jack can be designed each along the circumferential direction of corresponding cover board, such as Shown in Fig. 6, such as the cover board of ring structure, circumferential direction here refers to the direction of circumference, the preferably row of being evenly-spaced circumferentially The quantity of cloth, first jack and second jack can be arranged according to actual demand, such as can be 360, in addition, The size at the interval between first jack and second jack of arrangement can be set according to practical heat exchange demand Meter.

As an example, several first flange holes 205 are provided on first cover board 201, on second cover board 203 It is provided with several second flange holes 206.

Specifically, flange hole (first is arranged that is, on front and rear cover plate in first cover board 201 and second cover board 203 Flange hole and second flange hole), it can be connect with remaining structure in the equipment such as gas turbine, form the support to regenerator.It is right Set-up mode in the first flange hole and the second flange hole can be set by taking the first flange hole as an example in institute The marginal position of the first cover board 201 is stated, it in one example can be along institute around the whole periphery of first jack 202 is arranged Two rows of first flange holes are circumferentially arranged in the edge for stating the first cover board, and in circumferential direction, first flange described in each row Hole uniform intervals are arranged, and in two rows of first flange holes, projection in the circumferential is in being intervally arranged, to be conducive to improve steady It is qualitative.

As an example, the top and described second of first fin component 202 between the adjacent heat exchange unit 100 The top of fin component 204 is in contact.

Specifically, in one example, in the setting of the regenerative apparatus, control the adjacent heat exchange unit fin it Between contact with each other, i.e., first fin component 102 of a certain heat exchange unit 100 is described with the adjacent heat exchange unit 100 The top of second fin component 104 is in contact, so that the second channel formed between heat exchange fin can be closed, makes Obtaining fluid can be flowed from the channel of closure, to be conducive to the effective use of heat, improve heat exchange efficiency.With Fig. 3 In heat exchange unit structure for, the top of adjacent first fin component and second fin component connects Touching, so that second external channel 118 of first fin component 102 formation and adjacent second fins set The corresponding channel for forming a closure of the 4th external channel 120 of part 104, so that external fluid can be closed via described The channel of conjunction exchanges heat, and the fluid allow sufficiently exchanges heat.

As an example, being additionally provided with sealing structure on the heat exchange structure, wherein the sealing structure is arranged at institute State the periphery that heat exchange structure corresponds to each first fin component 202 and each second fin component, 204 region.

As an example, first cover board 201 and second cover board 203 are correspondingly formed ring structure, the sealing knot Structure includes inner ring seal structure (not shown) and outer ring seal structure 207, wherein the inner ring seal structure setting is in institute The inner ring surface of ring structure is stated, the outer ring seal structure setting is in the external annular surface of the ring structure.

Specifically, in one example, sealing structure also being arranged in the corresponding position in each fin component periphery, is mainly used for dropping It is low flow through outside fin fluid inlet and outlet side pressure difference bring fluid leakage, i.e., fluid without heat exchange fin directly from import to Up to outlet, specific sealing structure has various forms, it may be considered that selection setting is carried out due to temperature band the problem of thermal expansion, In one example, as shown in fig. 7, when first cover board and second cover board are respectively formed ring structure, i.e., annular here Structure, which refers to, can be the formation of first cover board and second cover board in a ring, and the two is oppositely arranged the backheat to be formed Device is annular regenerative apparatus or first cover board and second cover board is the unit by several sector structures The annular being spliced, at this point, the regenerative apparatus of annular can also be formed, same way, it is also possible to be the annular that other situations are formed The annular regenerative apparatus of structure, at this point, the sealing structure includes inner ring seal structure and outer ring seal structure 207, wherein right In the outer ring seal structure 207, it is formed in first fin component 202 and the corresponding position of second fin component 204 The peripheral region set, positioned at the periphery of Huan Xing heat exchange structure, first fin component is corresponding with second fin component Setting, the outer ring seal structure 207 form a sealing ring, and similarly, the inner ring seal structure is formed in the described of annular The inner ring of regenerative apparatus forms the closed sealing ring in inside, prevents fluid from directly reaching from import without heat exchange fin Outlet.

In addition, the utility model also provides a kind of heat regenerative system, wherein the heat regenerative system includes such as above-mentioned any one Regenerative apparatus described in scheme.

As an example, the heat regenerative system includes gas turbine, the gas turbine includes combustion chamber 300, wherein described First cover board 201 and second cover board 203 are correspondingly formed ring structure, so that the regenerative apparatus constitutes an annular backheat Device, and the annular regenerative apparatus is at least wrapped in the periphery of the combustion chamber 300.

Specifically, in one example, providing a kind of close-coupled annular efficient regenerative apparatus for gas turbines (heat exchange Device) heat regenerative system that constitutes, (including rear portion, top etc.) is different from conventional being placed in regenerator outside gas turbine, this is In gas turbine can be wrapped in by the annular regenerator of system, path that can be shorter and bulk realize effective cold fluid and hot fluid Flowing.

As an example, the gas turbine further includes compressing device 301 and turbine apparatus 302, the compressing device 301 The fluid of outlet enters from one end of the first runner and exports from the other end of the first runner, the fluid of output Into burning in the combustion chamber 300, the fluid after burning, which enters in the turbine apparatus 302, to do work, and does The fluid after function enters from one end of the second flow channel and exports from the other end of the second flow channel.

Specifically, this example specifically provides a kind of optional gas turbine heat regenerative system, regenerator effectiveness is shown up to 0.9, at this In example, gas turbine regenerative apparatus 200 is wrapped in around combustion chamber 300, by first cover board and second cover board with Connected be respectively formed cold side air duct (channel at one end entrance location of the first runner) of combustion engine leads to hot side combustion gas Road (channel at one end entrance location of the second flow channel).Cold side air (can be and calm the anger from compressing device 301 Machine) outlet pressure-air, axially walk the internal channel of heat exchange unit, from first runner entrance 303 enter, temperature increase Afterwards, it reaches at first runner outlet 304, burns subsequently into combustion chamber 300, the high-pressure gas after burning is introduced into turbine Device (can be turbine) 302 does work, and the low pressure exhaust after acting can be passed through successively along channel by regenerative apparatus 200 Fuel nozzle 307 and regenerative apparatus 200 are crossed, enters in regenerative apparatus through second flow channel entrance 305, most goes out afterwards through second flow channel It is discharged at mouth 306.In addition, in one example, in order to guarantee the optimum performance of regenerator and complete machine, it is also necessary to first-class Road entrance 303, first runner export 304, second flow channel entrance 305, the cold and hot side flow passages of second flow channel outlet 306 carry out Optimization is to obtain the smallest flow losses, most uniform assignment of traffic and optimal overall performance, wherein cold and hot side flowing is logical Road optimizes the design of the width that can be runner and quantity etc..In this example, a kind of fluid is flowed along diaphragm internal Axial flowing, a kind of fluid are flowed in a manner of c-type along partition two sides, and main heat transfer process is completed in core, i.e., main First fin component, second fin component and the third fin of the heat transfer process wanted in the heat exchange unit It completes the position of component.In addition, gas turbine regenerator is waited when needed in an optional example, it can be by removing right side Blast tube hangs out its entirety, convenient for checking the state of hot-side channel.

In conclusion the utility model provides a kind of heat exchange unit, regenerative apparatus and heat regenerative system, heat exchange unit includes: First partition and the first fin component, first fin component are set to the first partition surface；Second partition and second Fin component, second fin component are set to the second partition surface, wherein the first partition is far from described first The side of fin component is oppositely arranged with the second partition far from the side of second fin component, empty to form an inside Between region；And third fin component, be set in the inner space area, wherein in the inner space area and By the space formation first runner of the third fin component, outside the inner space area and pass through first fins set The space of at least one of part and second fin component forms second flow channel, and different fluids is respectively from described first-class Road and the second flow channel are flowed to realize the heat exchange between different fluid.Through the above scheme, the utility model provides one Kind heat exchange unit, regenerative apparatus and heat regenerative system, the heat exchange unit of the utility model can be realized based on different fin components Effective heat exchange, cold and hot side fin component can reduce flowing damage of two side liquids in the larger situation of pressure difference with independent design It loses, the regenerative apparatus of the utility model can be annular regenerative apparatus, equipment, such as gas turbine dependency structure can be wrapped in It is interior, the flowing of effective cold fluid and hot fluid is realized with shorter path and bulk, the utility model can make full use of exhaust Waste heat, improve efficiency, the high-efficiency compact formula annular regenerator of gas turbine extraction cycle, rationally distributed, structure is simple, with Shorter path, the lower pressure loss realize high heat exchange efficiency.So the utility model effectively overcomes in the prior art Various shortcoming and have high industrial utilization value.

The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.

Claims

1. a kind of heat exchange unit, which is characterized in that the heat exchange unit includes:

Second partition and the second fin component, second fin component are set to the second partition surface, wherein described Side of side of one partition far from first fin component with the second partition far from second fin component is opposite Setting, to form an inner space area；And

Third fin component is set in the inner space area, wherein in the inner space area and by described the The spaces of three fin components forms first runner, and the inner space area is outer and process first fin component and described the The spaces of at least one of two fin components forms second flow channel, and different fluids is respectively from the first runner and described the Two runners are flowed to realize the heat exchange between different fluid.

2. heat exchange unit according to claim 1, which is characterized in that first fin component divides the first partition Be cut into positioned at first fin component two sides first area and second area, second fin component by described second every Plate is divided into third region and the fourth region positioned at second fin component two sides, wherein the first area with it is described Third region is corresponding, forms the first guiding region, and the second area is corresponding with the fourth region, forms the second guiding region.

3. heat exchange unit according to claim 2, which is characterized in that in inside and out first guiding region extremely The first flow deflector component is provided in few one；Is provided at least one of inside and out second guiding region Two flow deflector components.

4. heat exchange unit according to claim 1, which is characterized in that the third fin component and the first partition and The second partition contacts, and first fin component, second fin component and the third fin component are corresponding Setting.

5. heat exchange unit according to claim 1, which is characterized in that first fin component is along the first partition First direction extend, second fin component along the second partition second direction extend, wherein the first direction with The second direction is consistent, and along the both ends of the first partition perpendicular to the first direction and perpendicular to the second party To the both ends of the second partition respectively correspond setting the first strip of paper used for sealing and the second strip of paper used for sealing, to be formed along perpendicular to the first party To and the second direction on the penetrating inner space area.

6. heat exchange unit according to any one of claims 1-5, which is characterized in that first fin component includes the One heat exchanger plates, and the curved extension of the first heat exchanger plates；Second fin component includes the second heat exchanger plates, and described second The curved extension of heat exchanger plates.

7. heat exchange unit according to claim 6, which is characterized in that between first heat exchanger plates and the first partition Several the first external channels are formed, form several second external channels between first heat exchanger plates, and outside described first Portion channel is intervally arranged with second external channel；Formed between second heat exchanger plates and the second partition several Three external channels, form several the 4th external channels between second heat exchanger plates, and the third external channel with it is described 4th external channel is intervally arranged.

8. a kind of regenerative apparatus, which is characterized in that the regenerative apparatus includes:

Heat exchange structure is set between first cover board and second cover board, and the heat exchange structure includes several as weighed Benefit requires heat exchange unit described in any one in 1-7, wherein one end of the heat exchange unit is set to first jack In, the opposite other end of the heat exchange unit is set in second jack, so that the institute of each heat exchange unit It states inner space area and constitutes the first runner, the region between the adjacent heat exchange unit constitutes the second flow channel.

9. regenerative apparatus according to claim 8, which is characterized in that first cover board is parallel with second cover board to be set It sets；The shape of first cover board includes annular or first cover board includes the first cover board list of several fan-shaped shapes Member, the shape of second cover board includes annular or second cover board includes the second cover board list of several fan-shaped shapes Member.

10. regenerative apparatus according to claim 8, which is characterized in that week of first jack along first cover board To being uniformly arranged, second jack is uniformly arranged along the circumferential direction of second cover board；The shape of first jack includes gradually Burst at the seams shape, and the shape of second jack includes involute.

11. regenerative apparatus according to claim 8, which is characterized in that be provided on first cover board several first Flange hole is provided with several second flange holes on second cover board.

12. regenerative apparatus according to claim 8, which is characterized in that described first between the adjacent heat exchange unit The top of fin component corresponds to and is in contact at the top of second fin component.

13. the regenerative apparatus according to any one of claim 8-12, which is characterized in that also set on the heat exchange structure Be equipped with sealing structure, wherein the sealing structure be arranged at the heat exchange structure correspond to each first fin component and The periphery in each second fin component region.

14. regenerative apparatus according to claim 13, which is characterized in that first cover board and second cover board are corresponding Ring structure is formed, the sealing structure includes inner ring seal structure and outer ring seal structure, wherein the inner ring seal structure It is set to the inner ring surface of the ring structure, the outer ring seal structure setting is in the external annular surface of the ring structure.

15. a kind of heat-exchange system, which is characterized in that including the regenerative apparatus as described in any one of claim 8-14.

16. heat-exchange system according to claim 15, which is characterized in that the heat-exchange system includes gas turbine, described Gas turbine includes combustion chamber, wherein first cover board and second cover board are correspondingly formed ring structure, so that described Regenerative apparatus constitutes an annular regenerative apparatus, and the annular regenerative apparatus is at least wrapped in the periphery of the combustion chamber.

17. heat-exchange system according to claim 16, which is characterized in that the gas turbine further includes compressing device and whirlpool Wheel apparatus, wherein the fluid of compressing device outlet enters from one end of the first runner and from the first runner The fluid of other end output, output enters the combustion chambers burn, and the fluid after burning enters the turbine apparatus Acting, the fluid after acting enter from one end of the second flow channel and export from the other end of the second flow channel.