CN218884732U - Plate-shell type heat exchanger - Google Patents
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- CN218884732U CN218884732U CN202223040688.5U CN202223040688U CN218884732U CN 218884732 U CN218884732 U CN 218884732U CN 202223040688 U CN202223040688 U CN 202223040688U CN 218884732 U CN218884732 U CN 218884732U
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Abstract
The application discloses a plate-shell type heat exchanger, which comprises a first cover plate, a second cover plate and a heat exchange core body arranged between the first cover plate and the second cover plate, wherein the heat exchange core body is provided with a heat exchange cavity; the heat exchange core body comprises a heat exchange unit; the heat exchange unit is provided with a first surface, a second surface and a third surface; the heat exchange unit is provided with a first channel penetrating through the third surface and the heat exchange cavity along the second direction; the heat exchange unit comprises a first detection mechanism, and the first detection mechanism penetrates through the first channel and is used for detecting the pressure or the flow rate of fluid in the heat exchange cavity; the heat exchange unit comprises a second detection mechanism, and the second detection mechanism is used for detecting the temperature of fluid in the heat exchange cavity. The utility model provides a shell and plate heat exchanger is used for examining the mobile heat transfer condition of board shell and plate heat exchanger through setting up first detection mechanism and second detection mechanism, has solved shell and plate heat exchanger experiment measuring device and can not carry out experimental study to the flow distribution between different slab and the single mobile heat transfer between the slab.
Description
Technical Field
The application relates to the technical field of heat exchangers, in particular to a plate-shell type heat exchanger.
Background
In the fields of petrochemical industry and the like, plate-shell heat exchangers are often introduced into process technology systems as condensers and evaporators, such as condensers at the tops of atmospheric and vacuum towers, condensers of debutanizer on ocean platforms and the like. For the plate-shell type heat exchanger, uneven flow distribution is a main cause of the reduction of the heat exchange performance. The existing experimental measurement device for the plate-shell heat exchanger cannot simultaneously carry out experimental research on flow distribution among different plates in the plate-shell heat exchanger and flow heat exchange among single pair of plates.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a shell and plate heat exchanger through being provided with detection mechanism in shell and plate heat exchanger inside for solved the unable technical problem who studies the flow distribution between the inside different slab of shell and plate heat exchanger and the flow heat transfer condition between the single pair of slab of current shell and plate heat exchanger experiment measuring device.
The embodiment of the application provides a plate-shell type heat exchanger, which comprises a first cover plate, a second cover plate and a heat exchange core body arranged between the first cover plate and the second cover plate, wherein the heat exchange core body is provided with a heat exchange cavity;
the heat exchange core comprises a heat exchange unit, and the heat exchange unit comprises a fluid inlet and a fluid outlet;
the heat exchange unit is provided with a first surface, a second surface and a third surface; the first surface and the second surface are arranged in a mode of deviating from each other, and the third surface is connected with the edges of the first surface and the second surface along a first direction; the heat exchange unit is provided with a first channel penetrating through the third surface and the heat exchange cavity along a second direction;
the heat exchange unit comprises a first detection mechanism which penetrates through the first channel and is used for detecting the pressure or the fluid flow rate in the heat exchange cavity;
the heat exchange unit comprises a second detection mechanism, and the second detection mechanism is used for detecting the temperature of the fluid in the heat exchange cavity.
In some embodiments, the heat exchange unit is provided with a second channel penetrating through the third surface and the heat exchange cavity along the second direction.
In some embodiments, the heat exchange unit is provided with a third channel extending through the third surface and the heat exchange cavity along the second direction.
In some embodiments, the heat exchange unit is provided with a fourth channel penetrating through the third surface and the heat exchange cavity along the second direction.
In some embodiments, the heat exchange core body comprises at least two heat exchange units arranged adjacently, and the first channels respectively penetrate through the third surfaces of the adjacent heat exchange units to be communicated with the heat exchange cavity.
In some embodiments, the second channels respectively communicate with the heat exchange cavities through the third surfaces of the adjacent heat exchange units.
In some embodiments, the first and third channels are in communication with the fluid inlet; the second and fourth channels are in communication with the fluid outlet.
In some embodiments, the first detection mechanism communicates with the fluid inlet through the first channel.
In some embodiments, the first detection mechanism communicates with the fluid outlet through the second channel.
In some embodiments, the heat exchange unit comprises a first plate, a second plate, and a connecting portion fixing the first plate and the second plate; the heat exchange cavity is formed between the first plate and the second plate.
In some embodiments, a first sealing part is arranged at the edge of the connecting part, which is connected with the first plate; and a second sealing part is arranged at the edge of the connecting part connected with the second plate.
In some embodiments, the edge of the connecting portion where the connecting portion meets the first plate and the second plate is provided with a step.
In some embodiments, the first sheet is provided with a first corrugation that is convex in the first direction.
In some embodiments, the second sheet is provided with a second corrugation, convex in the first direction; and/or the presence of a gas in the gas,
the first protrusion and the second protrusion have opposite protrusion directions.
In some embodiments, the first plate is provided with a first heating mechanism at a side remote from the heat exchange cavity.
In some embodiments, the second plate is provided with a second heating mechanism at a side remote from the heat exchange cavity.
In some embodiments, the first heating mechanism is disposed around the first corrugation.
In some embodiments, the second heating mechanism is disposed around the second corrugation.
In some embodiments, the first detection mechanism includes a first sensor and a second sensor; the first sensor is used for detecting the flow rate of the fluid, and the second sensor is used for detecting the pressure of the fluid.
In some embodiments, the second detection mechanism is disposed on a side of the first plate close to the heat exchange cavity;
the second detection mechanism is arranged on one side surface, close to the heat exchange cavity, of the second plate.
In some embodiments, the first cover plate is provided with an inlet nozzle, an outlet nozzle and a first observation window;
the inlet nozzle is communicated with the fluid inlet; the outlet nozzle is in communication with the fluid outlet.
In some embodiments, a third detection mechanism is provided at the inlet nozzle or the outlet nozzle.
In some embodiments, a second viewing window is disposed on the second cover plate.
The beneficial effect of this application lies in: the application provides a plate-shell type heat exchanger which comprises a first cover plate, a second cover plate, a heat exchange core body and a heat exchange cavity, wherein the heat exchange core body is arranged between the first cover plate and the second cover plate; the heat exchange core body comprises a heat exchange unit, and the heat exchange unit comprises a fluid inlet and a fluid outlet; the heat exchange unit is provided with a first surface, a second surface and a third surface; the first surface and the second surface are arranged in a deviating way, and the third surface is connected with the edges of the first surface and the second surface along the first direction; the heat exchange unit is provided with a first channel penetrating through the third surface and the heat exchange cavity along the second direction; the heat exchange unit comprises a first detection mechanism, and the first detection mechanism penetrates through the first channel and is used for detecting the pressure or the flow rate of fluid in the heat exchange cavity; the heat exchange unit comprises a second detection mechanism, and the second detection mechanism is used for detecting the temperature of the fluid in the heat exchange cavity. The plate-shell type heat exchanger is provided with the first detection mechanism and the second detection mechanism and used for monitoring the flowing heat exchange condition of the plate-shell type heat exchanger, so that the problem that in the prior art, an experimental measurement device of the plate-shell type heat exchanger cannot simultaneously carry out experimental research on flow distribution among different plates in the plate-shell type heat exchanger and flowing heat exchange among single pair of plates is solved; this application can realize arranging of above-mentioned detection mechanism through be provided with access structure on lamella heat exchanger.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is an exploded view of a plate-shell heat exchanger according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a heat exchange unit in an embodiment of the present application;
FIG. 3 is a schematic diagram of an exploded view of a heat exchange unit in an embodiment of the present application;
FIG. 4 is a schematic sectional structure diagram of a plate-shell heat exchanger in the embodiment of the present application;
FIG. 5 is a schematic structural diagram of a heat exchange unit without a second plate in the embodiment of the present application;
FIG. 6 is a diagram of one configuration of a heat exchange unit in an embodiment of the present application;
FIG. 7 is a schematic view of another heat exchange unit according to an embodiment of the present application;
FIG. 8 is a sectional view showing a heat exchange unit according to an embodiment of the present invention;
in the figure, 1-first cover plate, 101-inlet nozzle, 102-outlet nozzle, 103-first observation window, 104-second connection hole, 2-second cover plate, 201-second observation window, 202-third connection hole, 3-heat exchange core, 300-heat exchange cavity, 30-heat exchange unit, 301-fluid inlet, 302-fluid outlet, 303-first channel, 304-first detection mechanism, 305-second detection mechanism, 306-second channel, 307-third channel, 308-fourth channel, 309-third detection mechanism, 310-first surface, 320-second surface, 330-third surface, 340-first plate, 341-first corrugated structure, 342-first heating mechanism, 350-second plate, 351-second corrugated structure, 352-second heating mechanism, 360-connection portion, 361-first connection hole, 362-step, 370-first sealing portion, 380-second sealing portion.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. In addition, in the description of the present application, the term "including" means "including but not limited to". The terms first, second, third and the like are used merely as labels, and do not impose numerical requirements or an established order.
The test device of current lamella heat exchanger can't study the inside mobile heat transfer condition of lamella heat exchanger, and this application embodiment uses circular lamella heat exchanger as an example, provides a lamella heat exchanger, and its slab is circular, and the surface is through press forming. As shown in fig. 1 to 8, the plate and shell heat exchanger includes a first cover plate 1, a second cover plate 2, and a heat exchange core 3 disposed between the first cover plate 1 and the second cover plate 2, wherein the heat exchange core 3 has a heat exchange cavity 300.
The heat exchange core 3 comprises the heat exchange unit 30, the heat exchange unit 30 comprises a fluid inlet 301 and a fluid outlet 302, and along the second direction Y, the fluid inlet 301 and the fluid outlet 302 are arranged at two ends of the heat exchange unit 30, and the number of the heat exchange units 30 of the plate-and-shell heat exchanger in this embodiment can be increased or decreased according to different experimental models.
In the present embodiment, a plate and shell heat exchanger is provided, the plate and shell heat exchanger having a single heat exchange unit 30, as shown in fig. 2, the heat exchange unit 30 has a first surface 310, a second surface 320, and a third surface 330, the first surface 310 is disposed opposite to the second surface 320, the third surface 330 connects edges of the first surface 310 and the second surface 320 along a first direction X, and the third surface 330 forms a circumferential surface surrounding the first surface 310 and the second surface 320.
The heat exchange unit 30 is provided with a first channel 303 penetrating through the third surface 330 and the heat exchange cavity 300 along the second direction Y, and a first detection mechanism 304 is further disposed in the heat exchange unit 30, and the first detection mechanism 304 penetrates through the first channel 303 for detecting the pressure or the fluid flow rate in the heat exchange cavity 300. In this embodiment, the first detection mechanism 304 includes a first sensor and a second sensor; the first sensor is used for detecting the flow rate of the fluid, and the second sensor is used for detecting the pressure of the fluid.
In some embodiments, the heat exchange unit 30 is provided with the second channel 306 penetrating the third surface 330 and the heat exchange cavity 300 along the second direction Y, and in some alternative embodiments, the first channel 303 and the second channel 306 are on the same central axis of the heat exchange unit 30. At the second channel 306, a first detection mechanism 304 passes through the second channel 306 for detecting the pressure or fluid flow rate in the heat exchange chamber 300, and in some alternative embodiments, the first channel 303 communicates with the fluid inlet 301, the first detection mechanism 304 communicates with the fluid inlet 301 through the third surface 330, the second channel 306 communicates with the fluid outlet 302, and the first detection mechanism 304 communicates with the fluid outlet 302 through the third surface 330. The heat exchange unit 30 further comprises a second detection mechanism 305, and the second detection mechanism 305 is used for detecting the temperature of the fluid in the heat exchange cavity 300.
In some embodiments, the first sensor is a pressure sensor, preferably a pressure gauge inserted into the first channel 303, and the wires of the pressure sensor are routed out of the first channel 303; the second sensor is a flow rate sensor, preferably a tachometer inserted into the first channel 303, the wire of the flow rate sensor extending from the first channel 303. In the same way, a first sensor and a second sensor are provided at the second channel 306, which can measure the pressure and flow rate of the heat exchange fluid at the fluid inlet 301 and at the fluid outlet 302, respectively. In some embodiments, the second detection mechanism 305 is a temperature sensor for detecting the temperature of the heat exchange fluid in the heat exchange cavity.
In some optional embodiments, the second detection mechanisms 305 are disposed on two sides of the heat exchange cavity 300, and are uniformly disposed on two sides of the heat exchange cavity 300, so as to facilitate measurement of temperatures at different positions of the sides of the heat exchange cavity, and the second detection mechanisms are used for studying the problem that the temperature distribution inside the shell-and-plate heat exchanger is unbalanced due to uneven heat exchange of the shell-and-plate heat exchanger, and establishing a heat exchange model of the shell-and-plate heat exchanger. In a specific embodiment, the temperature sensors are preferably thermocouples attached to both sides of the heat exchange chamber 300, and wires of the temperature sensors extend from the first channel 303 or the second channel 306. When the first channel 303 and the second channel 306 are provided at the same time, the wires of the temperature sensor can respectively extend out of the two channels, and the specific arrangement mode can be arranged according to the distance between the wires and the two channels.
In order to facilitate the study of the flow distribution between the adjacent heat exchange units 30, a plate and shell heat exchanger with another structure is provided in this embodiment, the heat exchange core 3 of the plate and shell heat exchanger at least includes two adjacent heat exchange units 30, and the first channels 303 respectively penetrate through the third surfaces 330 of the adjacent heat exchange units 30 to communicate with the heat exchange cavity 300, specifically, communicate with the fluid inlet 301. In some embodiments, the second channel 306 also communicates with the heat exchange cavity 300, in particular, with the fluid outlet 302, through the third surface 330 of the adjacent heat exchange unit 30.
In order to avoid arranging too many lines in the channels, the heat exchange unit 30 is further provided with a third channel 307 and a fourth channel 308, respectively, specifically, the heat exchange unit 30 is provided with a third channel 307 and a fourth channel 308 penetrating through the third surface 330 and the heat exchange cavity 300 along the second direction Y, the third channel 307 is communicated with the fluid inlet 301, the fourth channel 308 is communicated with the fluid outlet 302, and the wires of the second detection mechanism 305 respectively extend out of the third channel 307 and the fourth channel 308; likewise, in some embodiments, the third channel 307 and the fourth channel 308 are located on the same central axis of the heat exchange unit 30.
In order to establish different test models conveniently, the plate-shell type heat exchanger is a detachable plate-shell type heat exchanger, and the heat exchange unit 30 forming the plate-shell type heat exchanger comprises a first plate 340, a second plate 350 and a connecting part 360 fixed with the first plate 340 and the second plate 350; the first plate 340, the second plate 350 and the connecting part 360 enclose a heat exchange cavity 300; in some embodiments, the first sheet 340 and the second sheet 350 are preferably transparent high temperature resistant materials.
The first sheet 340 is provided with first corrugations 341 which are convex in the first direction X, the second sheet 350 is provided with second corrugations 351 which are convex in the first direction X, and the convex directions of the first corrugations 341 and the second corrugations 351 are opposite. In some embodiments, the edges of the first plate 340 and the second plate 350 are fixed inside the connection portion 360, and the two plates are disposed in parallel, and a gap of 1mm is formed between the two plates, and the gap forms the heat exchange chamber 300 through which the heat exchange fluid passes. The characteristic length of the heat exchange unit 30 is equal to twice the corrugation height of the plates plus 1mm plus twice the plate thickness.
As shown in fig. 7, in some specific embodiments, the channel structure is formed by disposing through holes extending in the second direction Y on the connection portion 360, and in particular, the center lines of each through hole are parallel to each other, the cross sections of the through holes on the first surface 310 and the second surface 320 are semicircular, and when the heat exchange units 30 are assembled, the semicircular through holes disposed on the connection portion 360 of adjacent heat exchange units 30 form a complete channel structure, so as to facilitate monitoring of the fluid flow between the plates. Another through hole provided in the connecting portion 360 has a circular cross section, and forms a third passage 307 and a fourth passage 308.
As shown in fig. 6, the connecting portion 360 of the heat exchange unit at the end portion is provided with only two types of through holes, and the circular through holes form the third channel 307 and the fourth channel, so as to ensure that no through hole structure is provided on the connecting surface between the heat exchange unit 30 and the first cover plate 1 or the second cover plate 2.
The first plate 340 is provided with a first heating mechanism 342 at a side far from the heat exchange chamber 300, and the second plate 350 is provided with a second heating mechanism 352 at a side far from the heat exchange chamber 300. The wires of the first heating mechanism 342 and the second heating mechanism 352 extend out from the third channel 307 or the fourth channel 308, and the first heating mechanism 342 and the second heating mechanism 352 are preferably electric heating wires wound on the surface of the plate, as shown in fig. 8.
In order to realize the sealing of the detachable plate-shell type heat exchanger, the edge where the connecting portion 360 and the first plate 340 are connected is provided with a first sealing portion 370, and the edge where the connecting portion 360 and the second plate 350 are connected is provided with a second sealing portion 380. In some alternative embodiments, the edge where the connection portion 360 meets the first plate 340 and the second plate 350 is provided with a step 362, and the first sealing portion 370 and the second sealing portion 380 seal the connection portion 360 where the connection portion meets the first plate 340 and the second plate 350 around the step 362.
In some alternative embodiments, the first cover plate 1 may be a flange cover plate, the first cover plate 1 is provided with an inlet nozzle 101, an outlet nozzle 102, a first viewing window 103, and a second connection hole 104 provided at the circumference of the first cover plate 1, the inlet nozzle 101 is communicated with the fluid inlet 301, the outlet nozzle 102 is communicated with the fluid outlet 302, meanwhile, the inlet nozzle 101 is connected with an external pipe, fluid flows into the experimental device from the nozzle, the outlet nozzle 102 is connected with the external pipe, and fluid flows out of the experimental device from the outlet nozzle 102. In some alternative embodiments, the second cover plate 2 is a compression plate, a second viewing window 201 is disposed on the second cover plate 2, and a third connecting hole 202 is disposed at the circumference of the second cover plate 2.
The central lines of the heat exchange core body 3 composed of the first cover plate 1, the second cover plate 2 and the heat exchange unit 30 are overlapped, the central lines of a plurality of circular through holes (the first connecting hole 361, the second connecting hole 104 and the third connecting hole 202) distributed on the circular shaft are overlapped, and the first cover plate 1, the second cover plate 2 and the heat exchange core body 3 are fixedly connected by penetrating through the connecting holes through bolts.
In order to better establish a test model, in the embodiment, the inlet nozzle 101 and the outlet nozzle 102 are respectively provided with a third detection mechanism 309, and the third detection mechanism 309 includes a temperature sensor, a pressure sensor and a flow rate sensor, and is used for detecting the fluid states at the inlet and the outlet of the plate and shell heat exchanger.
The working principle is as follows: taking a plate and shell heat exchanger with two heat exchange units 30 as an example, a fluid flows into the first heat exchange unit 30 through the inlet nozzle 101 from an external channel, and a part of the fluid enters the fluid inlet 301 of the first heat exchange unit 30, rises along the second direction Y, passes through the first heating mechanism 342 wound on the first plate 340 and the second heating mechanism 352 wound on the second plate 350, and then flows out from the fluid outlet 302 of the first heat exchange unit 30. The remaining part of the fluid keeps the original flowing direction, flows into the second heat exchange unit 30 along the first direction X, and the fluid flowing through the second heat exchange unit 30 finally flows out from the fluid outlet 302 and then joins with the fluid flowing out from the first heat exchange unit 30, and both the remaining part of the fluid finally flows out from the outlet nozzle 102.
The lamella heat exchanger that provides in this embodiment can realize studying the mechanism of the heat transfer of flowing of fluid in the single pair of slab, realizes studying the problem of the inside flow inhomogeneity of lamella heat exchanger through increasing the quantity that the slab is right, can study the lamella heat exchanger better because flow distribution is inhomogeneous causes the reason that heat transfer performance descends.
The application example is as follows: the following model was established by the plate and shell heat exchanger described in the above example:
in order to obtain an accurate flow heat transfer model, the fluid temperature is measured by a direct wall temperature measurement method. The direct wall temperature measuring method is based on the basic principle of convection heat transfer and Newton's cooling formula as basic calculation formula, and requires accurate measurement of heat flow density, wall temperature and fluid temperature applied to the wall.
Arranging a certain amount of thermocouples on the surfaces of the first plate piece 340 and the second plate piece 350 in a patch mode, and collecting the temperature T along the path of the first plate piece 340 Wi The average wall temperature of the first plate 340 is
Fluid temperature T of measuring point fi A thermocouple (third detection mechanism) inserted into the flow channel;
the fixed heat flux Q is uniformly applied to the plate by winding the heating wire for electric heating. Heating amount per unit area Q = Q/a, wherein: a is the heating area, m 2 ；
The measured parameters can be calculated according to Newton's cooling law to obtain local convective heat transfer coefficient
It can be known that when the flow distribution is uniform, the pressure drop from the inlet to the outlet of the first plate 340 is the same as the heat exchange amount of the fluid from the inlet to the outlet of the second plate 350, and the convective heat exchange coefficient is the same. The effect of flow rate on heat transfer coefficient needs to be analyzed.
The calculation formula of the pressure p at a certain measuring point is p = rho v 2 Eu, where ρ is the density of the fluid, kg/m 3 (ii) a v is the flow velocity measured by the flow velocity meter in the first detection mechanism 304, m/s; eu is Euler number.
It can be known that when the flow distribution is uniform, the pressure drop from the inlet to the outlet of the first plate 340 and the pressure drop from the inlet to the outlet of the second plate 350 are the same, and when the flow distribution is not uniform, the pressure drop of each plate is different. Therefore, the influence of flow maldistribution on the pressure drop can be known by analyzing the change of the pressure drop at the inlet and the outlet of each plate.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The plate and shell heat exchanger provided by the embodiment of the present application is described in detail above, and the principle and the embodiment of the present application are explained herein by applying a specific example, and the description of the above embodiment is only used to help understanding the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, the specific implementation manner and the application scope may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A plate and shell heat exchanger is characterized by comprising a first cover plate (1), a second cover plate (2) and a heat exchange core (3) arranged between the first cover plate (1) and the second cover plate (2), wherein the heat exchange core (3) is provided with a heat exchange cavity (300);
the heat exchange core (3) comprises a heat exchange unit (30), the heat exchange unit (30) comprises a fluid inlet (301) and a fluid outlet (302);
the heat exchange unit (30) has a first surface (310), a second surface (320) and a third surface (330); the first surface (310) is disposed opposite to the second surface (320), and the third surface (330) connects edges of the first surface (310) and the second surface (320) along a first direction (X); the heat exchange unit (30) is provided with a first channel (303) extending through the third surface (330) and the heat exchange cavity (300) along a second direction (Y);
the heat exchange unit (30) comprises a first detection mechanism (304), the first detection mechanism (304) passes through the first channel (303) for detecting the pressure or the fluid flow rate in the heat exchange cavity (300);
the heat exchange unit (30) comprises a second detection mechanism (305), and the second detection mechanism (305) is used for detecting the temperature of the fluid in the heat exchange cavity (300); and/or the presence of a gas in the gas,
the heat exchange unit (30) is provided with a second channel (306) extending through the third surface (330) and the heat exchange cavity (300) along the second direction (Y).
2. A plate and shell heat exchanger according to claim 1, wherein the heat exchanging unit (30) is provided with a third channel (307) extending through the third surface (330) and the heat exchanging cavity (300) in the second direction (Y); and/or the presence of a gas in the gas,
the heat exchange unit (30) is provided with a fourth channel (308) extending through the third surface (330) and the heat exchange cavity (300) along the second direction (Y); or
The heat exchange core body (3) at least comprises two adjacent heat exchange units (30), and the first channels (303) respectively penetrate through the third surfaces (330) of the adjacent heat exchange units (30) and are communicated with the heat exchange cavity (300); and/or the presence of a gas in the gas,
the second channels (306) respectively penetrate through the third surfaces (330) of the adjacent heat exchange units (30) to be communicated with the heat exchange cavity (300).
3. The plate and shell heat exchanger according to claim 2, wherein the first channel (303) and the third channel (307) are in communication with the fluid inlet (301); the second channel (306) and the fourth channel (308) are in communication with the fluid outlet (302); and/or the presence of a gas in the atmosphere,
said first detection means (304) communicating with said fluid inlet (301) through said first channel (303); and/or the presence of a gas in the gas,
the first detection mechanism (304) communicates with the fluid outlet (302) through the second channel (306).
4. A plate and shell heat exchanger according to claim 1, characterised in that the heat exchange unit (30) comprises a first plate (340), a second plate (350) and a connection (360); the connecting portion (360), the first plate (340) and the second plate (350) enclose the heat exchange cavity (300).
5. The plate and shell heat exchanger according to claim 4, characterized in that a first seal (370) is provided at the edge where the connection portion (360) meets the first plate (340), and a second seal (380) is provided at the edge where the connection portion (360) meets the second plate (350); and/or the presence of a gas in the gas,
the edge of the connecting part, which is connected with the first plate (340) and the second plate (350), is provided with a step (362).
6. A plate and shell heat exchanger according to claim 4, characterised in that the first plate (340) is provided with a first corrugation (341) which is convex in the first direction (X); and/or the presence of a gas in the gas,
-said second sheet (350) is provided with a second corrugation (351) convex along said first direction (X); and/or the presence of a gas in the gas,
the first corrugations (341) and the second corrugations (351) have opposite directions of projection.
7. A plate and shell heat exchanger according to claim 6, characterised in that the first plate (340) is provided with a first heating means (342) on a side remote from the heat exchange chamber (300); and/or the presence of a gas in the atmosphere,
the second plate (350) is provided with a second heating mechanism (352) on one side far away from the heat exchange cavity (300).
8. The plate and shell heat exchanger of claim 7, wherein the first heating mechanism (342) is arranged around the first corrugation (341); and/or the presence of a gas in the gas,
the second heating means (352) is arranged around the second corrugated structure (351).
9. The plate and shell heat exchanger of claim 4, wherein the first detection mechanism (304) comprises a first sensor and a second sensor; the first sensor is used for detecting the flow rate of the fluid, and the second sensor is used for detecting the pressure of the fluid; and/or the presence of a gas in the atmosphere,
the second detection mechanism (305) is arranged on one side surface of the first plate (340) close to the heat exchange cavity; the second detection mechanism (305) is arranged on one side surface of the second plate (350) close to the heat exchange cavity (300).
10. The lamella heat exchanger according to claim 1, wherein an inlet nozzle (101), an outlet nozzle (102) and a first viewing window (103) are provided on the first cover plate (1), the inlet nozzle (101) communicating with the fluid inlet (301) and the outlet nozzle (102) communicating with the fluid outlet (302); and/or the presence of a gas in the gas,
a third detection mechanism (309) is arranged at the inlet nozzle (101) or the outlet nozzle (102); and/or the presence of a gas in the atmosphere,
and a second observation window (201) is arranged on the second cover plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223040688.5U CN218884732U (en) | 2022-11-16 | 2022-11-16 | Plate-shell type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223040688.5U CN218884732U (en) | 2022-11-16 | 2022-11-16 | Plate-shell type heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN218884732U true CN218884732U (en) | 2023-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223040688.5U Active CN218884732U (en) | 2022-11-16 | 2022-11-16 | Plate-shell type heat exchanger |
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| Country | Link |
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| CN (1) | CN218884732U (en) |
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2022
- 2022-11-16 CN CN202223040688.5U patent/CN218884732U/en active Active
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