CN219368455U - Dry-wet combined heat exchange equipment - Google Patents
Dry-wet combined heat exchange equipment Download PDFInfo
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- CN219368455U CN219368455U CN202223053724.1U CN202223053724U CN219368455U CN 219368455 U CN219368455 U CN 219368455U CN 202223053724 U CN202223053724 U CN 202223053724U CN 219368455 U CN219368455 U CN 219368455U
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Abstract
The utility model discloses a dry-wet combined heat exchange device, which comprises a frame, a plate-shaped dry heat exchanger and a plate-shaped wet heat exchanger, wherein a placing cavity is formed in the frame, a first ventilation opening which is vertically penetrated is formed at the upper side of the placing cavity, a second ventilation opening which is horizontally penetrated is formed at one or more sides of the placing cavity in the horizontal direction, the plate-shaped dry heat exchanger is obliquely arranged in the placing cavity so as to be divided into an upper cavity and a lower cavity, the upper side plate faces towards the first ventilation opening, and the lower side plate faces towards at least one of the second ventilation openings; the first ventilation opening and/or at least one of the second ventilation openings is/are provided with a plate-shaped wet heat exchanger extending transversely along the ventilation opening. The plate-shaped wet heat exchanger is attached to the upper side wall or the peripheral side wall of the placing cavity, and the plate-shaped dry heat exchanger is obliquely placed in the placing cavity, so that space can be saved, and the ventilation area is large, and the problem that the volume of the existing dry-wet combined heat exchange equipment is relatively large can be effectively solved.
Description
Technical Field
The utility model relates to the technical field of heat exchange, in particular to a dry-wet combined heat exchange device.
Background
There are currently known prior art methods of combining a dry heat exchanger and a plate-shaped wet heat exchanger, such as those disclosed in chinese patent application No. 201180044407.9, and a method of operating the same, wherein a hybrid heat exchange apparatus and a method of operating the same, wherein two plate-shaped wet heat exchangers are provided, wherein a water spraying apparatus of one plate-shaped wet heat exchanger can be selectively opened or closed to be used as a dry heat exchanger when closed, and wherein the heat exchangers are used as dry and wet multiplex and are mutually constrained, such that when used as a dry, a better effect is not achieved than with a pure dry wet cooler.
As another example, in the chinese patent with application number 202111615972.8, a dry-wet combined cooling tower control system and a working method are disclosed, and a dry heat exchanger and a plate-shaped wet heat exchanger are arranged, and the two are connected in series through a pipeline, so as to form a dry-wet combined heat exchanger, so that the dry heat exchanger and the plate-shaped wet heat exchanger can both perform optimal functions, and the problem of too fast scaling caused by too high working pressure of the plate-shaped wet heat exchanger can be avoided. However, this solution still does not allow optimal cooling.
The two heat exchangers are arranged in parallel in the vertical direction or the horizontal direction in the space structure because the dry heat exchanger and the plate-shaped wet heat exchanger are required to be arranged at the same time, so that the whole volume is very large and the occupied space is very large.
In summary, how to effectively solve the problem that the dry-wet combined heat exchange device occupies a relatively large space is a problem that needs to be solved by those skilled in the art at present.
Disclosure of Invention
In view of the foregoing, a first object of the present utility model is to provide a combined dry and wet heat exchange apparatus, which can effectively solve the problem that the combined dry and wet heat exchange device occupies a relatively large space.
In order to achieve the first object, the present utility model provides the following technical solutions:
the dry-wet combined heat exchange equipment comprises a frame, a plate-shaped dry heat exchanger and a plate-shaped wet heat exchanger, wherein a placing cavity is formed in the frame, a first ventilation opening which is vertically penetrated is formed on the upper side of the placing cavity, a second ventilation opening which is horizontally penetrated is formed on one or more sides of the placing cavity in the horizontal direction, the plate-shaped dry heat exchanger is obliquely arranged in the placing cavity so as to be divided into an upper cavity and a lower cavity, the upper side plate faces towards the first ventilation opening, and the lower side plate faces towards at least one second ventilation opening; the first ventilation opening and/or at least one of the second ventilation openings is/are provided with the plate-shaped wet heat exchanger extending transversely along the ventilation opening.
When the dry-wet combined heat exchange device is used, the plate-shaped dry heat exchanger is obliquely placed, so that the maximum space can be utilized by the plate-shaped dry heat exchanger under the condition of limited space, and the requirement of the dry heat exchanger on ventilation area is ensured. The plate-shaped wet heat exchanger is attached to the upper side wall or the peripheral side wall, and corresponding ventilation openings are arranged to ensure ventilation requirements and simultaneously maximize the structure so as to ensure cooling requirements. Meanwhile, the plate-shaped dry condenser is obliquely arranged, so that the cooling effect is not influenced, and the cooling effect can be optimized and the whole structure is more compact under the arrangement mode. In conclusion, the dry-wet combined heat exchange equipment can effectively solve the problem that the volume of the existing dry-wet combined heat exchange equipment is relatively large.
Preferably, in the four vertical side walls of the placement cavity: the second air inlets are arranged on the side walls opposite to the lower side plate surface of the plate-shaped dry heat exchanger in the horizontal direction.
Preferably, each of the plate-shaped wet heat exchangers is disposed at the second ventilation opening.
Preferably, the third air vent communicated with the lower chamber is arranged on at least one side wall of the placing cavity; at the second ventilation opening communicating with the lower chamber, the plate-shaped wet heat exchanger is provided.
Preferably, the plate-shaped wet heat exchanger is arranged at a second ventilation opening horizontally opposite to the lower side plate surface of the plate-shaped dry heat exchanger; the third ventilation opening is positioned on the vertical side wall between the plate-shaped dry heat exchanger and the plate-shaped wet heat exchanger.
Preferably, at least one of the first ventilation opening, the second ventilation opening and the third ventilation opening is provided with a fan for accelerating the flow of wind bodies.
Preferably, at least one of the first vent, the second vent, and the third vent is provided with a closing door.
Preferably, the first ventilation opening, the third ventilation opening and the second ventilation opening communicated with the lower cavity are all provided with fans which can be independently started and shut down and exhaust air outwards or fans which can be independently started and shut down and supply air inwards; the first ventilation opening, the third ventilation opening and the second ventilation opening communicated with the lower cavity are all provided with sealing doors capable of being independently opened and closed.
Preferably, the third air outlet is provided with a closing door with adjustable opening size.
Preferably, two placing cavities are arranged in parallel in the rack; the two plate-shaped dry heat exchangers are respectively obliquely arranged in the two placing cavities and are combined into a V-shaped structure with an upward opening; the two placing cavities are communicated; the two side cavity walls far away from the placing cavity bodies are respectively provided with the second ventilation opening and the plate-shaped wet heat exchanger.
Preferably, a plurality of the plate-shaped wet heat exchangers are arranged in the vertical direction in order at the second ventilation opening.
Preferably, the plate-shaped wet heat exchanger is a wet film heat exchanger, a spray heat exchanger or an atomization heat exchanger.
Preferably, a plurality of the plate-like wet heat exchangers are arranged in parallel in the vertical direction at the second ventilation opening provided laterally opposite to the lower plate surface of the plate-like dry heat exchanger, and each of the plate-like wet heat exchangers is gradually biased to the inside from the top to the bottom.
Preferably, in the two plate-shaped wet heat exchangers adjacent to each other in the upper and lower directions: the lower end of the last plate-shaped wet heat exchanger and the upper end of the next plate-shaped wet heat exchanger are overlapped in the up-down direction.
Preferably, a plurality of the plate-shaped wet heat exchangers arranged in parallel are arranged in parallel.
Preferably, at least one of the plate-shaped wet heat exchanger internal heat transfer fluid channels is connected in series with the plate-shaped dry heat exchanger internal heat transfer fluid channel.
Preferably, the placement cavity is a square cavity or a cylindrical cavity.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a dry-wet combined heat exchange device according to an embodiment of the present utility model;
FIG. 2 is a schematic structural diagram of another heat exchange device combining dry and wet heat provided by the embodiment of the utility model;
fig. 3 is a schematic structural diagram of a back-type dry-wet combined heat exchange device according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of another dry-wet combined heat exchange device according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a specific dry-wet combined heat exchange device according to an embodiment of the present utility model.
The figures are marked as follows:
a frame 1, a plate-shaped dry heat exchanger 2, a plate-shaped wet heat exchanger 3, a placing cavity 4, a fan 5, an upper cavity 41, a lower cavity 42, a first ventilation opening 43, a second ventilation opening 44 and a third ventilation opening 45.
Detailed Description
The embodiment of the utility model discloses a dry-wet combined heat exchange device, which is used for effectively solving the problem that a dry-wet combined heat exchange device occupies a larger space.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a dry-wet combined heat exchange device according to an embodiment of the present utility model; FIG. 2 is a schematic structural diagram of another heat exchange device combining dry and wet heat provided by the embodiment of the utility model; fig. 3 is a schematic structural diagram of a back-type dry-wet combined heat exchange device according to an embodiment of the present utility model; fig. 4 is a schematic structural diagram of another dry-wet combined heat exchange device according to an embodiment of the present utility model; fig. 5 is a schematic structural diagram of a specific dry-wet combined heat exchange device according to an embodiment of the present utility model.
In some embodiments, a combined dry and wet heat exchange apparatus, in particular, a combined dry and wet heat exchange apparatus mainly including a frame 1, a plate-shaped dry heat exchanger 2, and a plate-shaped wet heat exchanger 3 may be provided, and one or more plate-shaped dry heat exchangers 2 may be provided while one or more plate-shaped wet heat exchangers 3 may be provided. Wherein the heat conduction fluid channels in the plate-shaped wet heat exchanger 3 are connected in series or in parallel with the heat conduction fluid channels in the plate-shaped dry heat exchanger 2, or one part of the heat conduction fluid channels are connected in series and the other part of the heat conduction fluid channels are connected in parallel. The plate-shaped dry heat exchanger 2 and the plate-shaped wet heat exchanger 3 can be condensers or coolers, wherein the interior of the condensers is used for circulating refrigerant, the refrigerant can generate phase change, and the coolers are used for circulating water, and generally do not generate phase change. The plate-shaped wet heat exchanger 3 and the plate-shaped dry heat exchanger 2 are all plate-shaped heat exchangers, and the general ventilation direction is the plate thickness direction, so that the heat exchangers are flat. The plate-shaped wet heat exchanger 3 is a wet film heat exchanger, a spray heat exchanger or an atomization heat exchanger, but may be other heat exchangers, and when a plurality of plate-shaped wet heat exchangers 3 are provided, the structures of the plate-shaped wet heat exchangers 3 may be different. As shown in the figure, the plate-shaped wet heat exchanger 3 is provided with a spray head at the upper part, a heat exchange pipeline at the middle part and a water receiving tank at the lower part
The housing 1 is internally provided with a placement cavity 4, wherein the placement cavity 4 can be approximately square or cylindrical, such as a square cavity, a cylindrical cavity and the like, and the placement cavity 4 mainly extends in an upper square and a lower square. For convenience of explanation, the cavity wall of the placement cavity 4 is mainly divided into several parts, an upper side cavity wall, a lower side cavity wall and surrounding vertical cavity walls, wherein the upper side cavity wall and the lower side cavity wall are oppositely arranged, and the surrounding vertical cavity walls are connected between the upper side cavity wall and the lower side cavity wall.
Wherein the upper side of the placing cavity 4 is formed with a first ventilation opening 43 which penetrates up and down, and one or more sides of the placing cavity 4 in the horizontal direction are formed with a second ventilation opening 44 which penetrates horizontally. Wherein, the first ventilation opening 43 and the second ventilation opening 44 are generally one air inlet for entering the placing cavity 4 and the other air outlet for exhausting air to the outside of the placing cavity 4; of course, the first ventilation openings 43 and the second ventilation openings 44 may be air inlets or air outlets, and the other ventilation openings may be provided and correspond to the air outlets or air inlets. Namely, the ventilation channels of the plate-shaped dry heat exchanger 2 and the ventilation channels of the plate-shaped wet heat exchanger 3 can be connected in series or in parallel, and in practical application, the ventilation channels and the ventilation channels can be correspondingly arranged according to requirements.
Wherein the first ventilation opening 43 penetrates up and down and exhausts in the up and down direction. The first ventilation opening 43 may be provided obliquely, and the vertical direction of the first ventilation opening is not required to be completely vertical. The second ventilation opening 44 does not have to be entirely horizontal, and may extend substantially horizontally.
The plate-like dry heat exchanger 2 is disposed obliquely in the placement chamber 4 to divide the placement chamber 4 into an upper chamber 41 and a lower chamber 42. The plate-shaped dry heat exchanger 2 is plate-shaped as a whole, and can be a plate heat exchanger or a plate-fin heat exchanger. The two side plates are communicated with each other so as to enable the air body to flow. In which the plate-like dry heat exchanger 2 is arranged obliquely in the placement chamber 4, for example in a square chamber, it is possible to arrange diagonally in the square chamber. In which the placement chamber 4 is divided into an upper chamber 41 and a lower chamber 42 so that the wind body between the upper chamber 41 and the lower chamber 42 flows, which requires the passage of air on the plate-shaped dry heat exchanger 2.
Wherein the upper side plate surface of the plate-shaped dry heat exchanger 2 is arranged obliquely upwards, and the lower side plate surface of the plate-shaped dry heat exchanger 2 is arranged obliquely downwards. Namely, the upper side plate surface of the plate-shaped dry heat exchanger 2 faces not only the upper side cavity wall but also one side vertical side wall; wherein the lower side plate surface of the plate-shaped dry heat exchanger 2 faces to the lower side cavity wall and simultaneously faces to one side vertical side wall; and the vertical side wall of the upper side plate face of the plate-shaped dry heat exchanger 2 is opposite to the vertical side wall of the lower side plate face of the plate-shaped dry heat exchanger 2.
The upper side plate of the plate-shaped dry heat exchanger 2 faces the first ventilation opening 43, and the lower side plate of the plate-shaped dry heat exchanger 2 faces at least one of the second ventilation openings 44. A plurality of second air openings 44 may be provided, and at this time, one of the second air openings 44 is disposed opposite to the lower plate surface of the plate-like dry heat exchanger 2 in the horizontal direction; only one second ventilation port 44 may be provided, and in this case, the second ventilation port 44 may be provided so as to face the lower plate surface of the plate-like dry heat exchanger 2 in the horizontal direction.
The first ventilation openings 43 and/or at least one of the second ventilation openings 44 are provided with said plate-shaped wet heat exchanger 3 extending transversely. The plate-shaped wet heat exchanger 3 may be provided only in the first ventilation opening 43, the plate-shaped wet heat exchanger 3 may be provided only in the second ventilation opening 44, or the plate-shaped wet heat exchanger 3 may be provided in both the first ventilation opening 43 and the second ventilation opening 44. Wherein at least one of the second ventilation openings 44 is provided with a plate-like wet heat exchanger 3, which means: when only one second ventilation opening 44 is present, then this second ventilation opening 44 is provided with a plate-like wet heat exchanger 3; when there are a plurality of second ventilation openings 44, then it may be that one, a plurality or all of the second ventilation openings 44 are provided with plate-like wet heat exchangers 3.
The plate-shaped wet heat exchanger 3 is transversely extended at the ventilation openings (such as the first ventilation opening 43 and the second ventilation opening 44) and means that the extension direction is perpendicular to the ventilation direction of the ventilation openings, and the transverse direction at the ventilation openings means the direction perpendicular to the ventilation direction of the ventilation openings. As at the first ventilation opening 43, wherein the plate-like structure of the plate-like wet heat exchanger 3 is placed horizontally; as at the second ventilation opening 44, wherein the plate-like wet heat exchanger 3 is arranged vertically or substantially vertically.
In some embodiments, when the dry-wet combined heat exchange device is used, the plate-shaped dry heat exchanger 2 is firstly obliquely arranged, so that the maximum space can be utilized by the plate-shaped dry heat exchanger 2 under the condition of limited space, and the requirement of the dry heat exchanger on ventilation area is ensured. The plate-shaped wet heat exchanger 3 is attached to the upper side wall or the peripheral side wall, and corresponding ventilation openings are arranged to ensure ventilation requirements, and meanwhile, the structure can be maximized to ensure cooling requirements. Meanwhile, the plate-shaped dry condenser is obliquely arranged, so that the cooling effect is not influenced, and the cooling effect can be optimized and the whole structure is more compact under the arrangement mode. In conclusion, the dry-wet combined heat exchange equipment can effectively solve the problem that the volume of the existing dry-wet combined heat exchange equipment is relatively large.
In some embodiments, as shown in fig. 1, the four vertical sidewalls of the placement cavity 4 may be: the second ventilation openings 44 are all provided on the side wall opposite to the lower side plate surface of the plate-shaped dry heat exchanger in the horizontal direction. In this case, the plate-shaped wet heat exchanger 3 is provided at the second ventilation port 44, and the ventilation passage of the plate-shaped wet heat exchanger 3 is connected in series with the ventilation passage of the plate-shaped dry heat exchanger 2 therein. The wind body can pass through the plate-shaped dry heat exchanger 2 from the upper chamber 41, enter the lower chamber 42, and then pass through the plate-shaped wet heat exchanger 3 of the second ventilation port 44 to flow out; the wind may pass through the plate-like wet heat exchanger 3 at the second ventilation port 44, enter the lower chamber 42, pass through the plate-like dry heat exchanger 2, enter the upper chamber 41, and then flow out.
In some embodiments, each of the plate-like wet heat exchangers 3 may be disposed at the second ventilation opening 44 without being disposed at the first ventilation opening 43, such that the first ventilation opening 43 is disposed open so as not to have the plate-like wet heat exchanger 3; each of the plate-like wet heat exchangers 3 is arranged in the peripheral side walls in the placement chamber 4. At the second air opening 44, the plate-like wet heat exchanger 3 is vertically arranged, so that the water shower height can be ensured. At the same time, the liquid falling down from the plate-shaped wet heat exchanger 3 can be prevented from entering the plate-shaped dry heat exchanger 2 because the liquid and the plate-shaped dry heat exchanger 2 are positioned at the same height.
In some embodiments, the third ventilation openings 45 communicating with the lower chamber 42 may be provided on at least one side wall of the placement cavity 4, and the above-mentioned plate-shaped wet heat exchangers 3 may be provided on both of the second ventilation openings 44 communicating with the lower chamber 42, so that the ventilation channels of the plate-shaped wet heat exchangers 3 and the ventilation channels of the plate-shaped dry heat exchangers 2 may be connected in parallel. The third air vent 45 may be an air inlet, and the first air vent 43 and the second air vent 44 communicated with the lower chamber 42 are air outlets; alternatively, the third air vent 45 may be an air vent, wherein the first air vent 43 and the second air vent 44 communicated with the lower chamber 42 are air vents
In some embodiments, the plate-shaped wet heat exchanger 3 may be disposed at the second ventilation opening 44 horizontally opposite to the lower side plate surface of the plate-shaped dry heat exchanger 2, that is, the plate-shaped wet heat exchanger 3 is disposed only at the second ventilation opening 44 horizontally opposite to the lower side plate surface of the plate-shaped dry heat exchanger 2, so that the plate-shaped dry heat exchanger 2 and the plate-shaped wet heat exchanger 3 are disposed oppositely. In this case, the third air vent 45 is located on a vertical side wall between the plate-shaped dry heat exchanger 2 and the plate-shaped wet heat exchanger 3, that is, the third air vent 45 is located on a vertical side wall between the lower side plate surface of the plate-shaped dry heat exchanger 2 and a vertical side wall opposite to the lower side plate surface, and specifically, the central axis of the third air vent 45 may be made to be parallel to the plate-shaped dry heat exchanger 2 and the plate-shaped wet heat exchanger 3.
For convenience of explanation, among the four side walls of the placement cavity 4, the vertical side wall opposite to the horizontal direction of the lower side plate surface of the plate-shaped dry heat exchanger 2 is a front side vertical side wall, the vertical side wall opposite to the horizontal direction of the upper side plate surface of the plate-shaped dry heat exchanger 2 is a rear side vertical side wall, and the left and right side vertical side walls are respectively formed on the left and right sides of the plate-shaped dry heat exchanger 2. Wherein the front side vertical sidewall, the rear side vertical sidewall, the left side vertical sidewall and the right side vertical sidewall: can be planar, so as to combine square placing cavities 4; or can be cambered surfaces so as to be capable of combining the cylindrical placing cavities 4.
The third air port 45 may be disposed on the left vertical sidewall or the right vertical sidewall, or the left vertical sidewall and the right vertical sidewall may be both provided with the third air port 45. It should be noted that, the third ventilation opening 45 on the left vertical sidewall or the right vertical sidewall should be located on the portion of the vertical sidewall where the lower chamber 42 is located. And wherein the front side vertical side wall may be provided with a second ventilation opening and a plate-like wet heat exchanger 3.
In some embodiments, at least one of the first vent 43, the second vent 44, and the third vent 45 may be provided with a blower 5 for accelerating the flow of wind. It should be noted that, when being provided with a plurality of vents to be provided with a plurality of fans 5, the wind direction of fans 5 can set up as required, and it is to place the cavity 4 in this moment or to place the cavity 4 outside convulsions, and each fan 5 can be the same, also can be different, specifically sets up as required.
In some embodiments, at least one of the first vent 43, the second vent 44, and the third vent 45 may be provided with a closing door, so that the corresponding vent may be selected to be opened or closed to stop operation as needed. The closed door can be a rolling door, a sliding door and the like so as to block wind approximately, and can be fully closed.
In some embodiments, the first ventilation opening 43, the third ventilation opening 45 and the second ventilation opening 44 communicated with the lower chamber 42 may be provided with a fan 5 capable of being independently turned on and off and exhausting air to the outside or provided with a fan 5 capable of being independently turned on and off and supplying air to the inside; wherein the first vent 43, the third vent 45 and the second vent 44 communicating with the lower chamber 42 are each provided with a closure door capable of being opened and closed independently. Correspondingly, the second ventilation openings 44 communicating with the lower chamber 42 are each provided with a plate-like wet heat exchanger 3.
Taking the first ventilation opening 43, the third ventilation opening 45 and the second ventilation opening 44 communicated with the lower chamber 42 as an example, the fan 5 which can be independently turned on and off and can exhaust air to the outside is provided. For convenience of explanation, the first ventilation opening 43 is provided with a first fan and a first closing door, the second ventilation opening 44 communicating with the lower chamber 42 is provided with a second fan and a second closing door, and the third ventilation opening is provided with a third fan and a third closing door.
The following modes of use are possible:
first, dry-type used alone: the third fan can be opened, the first fan and the second fan are closed, the first sealing door and the third sealing door are opened, and the second sealing door is closed. At this time, the air enters from the first ventilation opening 43, passes through the plate-shaped dry heat exchanger 2, enters the lower chamber 42, and is then directly discharged from the third ventilation opening 45.
Second, when wet alone: the third fan can be opened, the first fan and the second fan are closed, the second closing door and the third closing door are opened, and the first closing door is closed. At this time, the wind enters from the second ventilation port 44 at the lower chamber 42, passes through the plate-shaped wet heat exchanger 3, enters the lower chamber 42, and then is directly discharged from the third ventilation port 45. The dry type single use mode and the wet type single use mode can effectively reduce wind resistance.
Third, dry and wet tandem use: the third fan can be closed, the first fan or the second fan is opened (can be correspondingly selected according to the serial wind direction requirement), the first sealing door and the second sealing door are both opened, and the third sealing door is closed. If the first fan is on, the second fan is off, and at this time the wind enters from the second ventilation opening 44 at the lower chamber 42, passes through the plate-shaped wet heat exchanger 3, then enters the lower chamber 42, then passes through the plate-shaped dry heat exchanger 2, then enters the upper chamber 41, and then is discharged from the first ventilation opening 43. It is of course also possible to discharge from the second vent 44 at the upper chamber 41, in which case the combined heat and dry heat exchange apparatus may not be provided with the first vent 43, and the combined heat and dry heat exchange apparatus may be provided with the first vent 43 replaced by the second vent 44 provided at the upper chamber 41. If the second fan is opened, the first fan is closed, and the wind body flows in the opposite direction.
Fourth, dry and wet parallel use: the third fan may be turned on, the first fan and the second fan may be turned off, and the first closing door, the second closing door and the third closing door may be turned on. At this time, a part of the air enters from the first ventilation opening 43, passes through the plate-shaped dry heat exchanger 2, enters the lower chamber 42, and is directly discharged from the third ventilation opening 45; another part of the wind enters from the second ventilation opening 44 at the lower chamber 42, passes through the plate-shaped wet heat exchanger 3, enters the lower chamber 42, and then is directly discharged from the third ventilation opening 45.
Through the arrangement, the device has the advantages that the structure is simple, a complex channel is not needed, and various communication modes can be selected, so that the device is better suitable for corresponding use environments.
In some embodiments, the third tuyere may also be used as a fresh tuyere. When the ventilating channel of the plate-shaped dry heat exchanger and the ventilating channel of the plate-shaped wet heat exchanger are in a serial state, the ventilating efficiency is difficult to meet the requirement because of primary wind resistance, and the third wind port is opened at the moment to supplement wind at the middle part, but the third wind port with proper size is selected correspondingly according to the working efficiency of the fan and the wind resistance of the ventilating channel, so that the ventilating channel positioned at the front section is short-circuited due to excessive wind supplement.
When the air body flows from the ventilation channel of the plate-shaped wet heat exchanger to the ventilation channel of the plate-shaped dry heat exchanger and the fan at the first ventilation opening is used for exhausting the air to the outside, when the third ventilation opening is opened, part of the air entering the ventilation channel of the plate-shaped dry heat exchanger comes from the third ventilation opening, and the other part of the air comes from the plate-shaped wet heat exchanger. At this time, if the opening degree of the third air port is too large, the air duct of the plate-shaped wet heat exchanger is short-circuited.
In some embodiments, the third air outlet may be further provided with a closing door with an adjustable opening size. Wherein the closing door can be controlled to be opened by a servo motor, if the closing door adopts a sliding door, an electric cylinder can be arranged to push the sliding door, and a motor in the electric cylinder can adopt the servo motor to realize accurate control. Specifically, the opening size of the closed door can be correspondingly controlled according to the air pressure in the lower cavity, the opening degree of the closed door is correspondingly increased when the air pressure is lower, and the opening degree of the closed door is correspondingly reduced when the air pressure is higher.
In some embodiments, it is possible to have the placement in the peripheral side walls of the cavity 4: the vertical side walls transversely opposite to the upper side plate surface of the plate-shaped dry heat exchanger 2 are arranged in a closed mode, namely, the rear vertical side walls are in a closed state, so that the two dry-wet combined heat exchange devices can be arranged back to back conveniently, the space can be fully utilized, the back plates can be shared, and the cost is reduced. It is further possible to allow the upper chamber 41 to be directly ventilated to the outside only through the first ventilation openings 43 for better control of the wind direction. Of course, the rear vertical side walls of the two may be removed so as to be disposed so as to penetrate each other.
In some embodiments, as shown in fig. 3 and 4, two placing cavities 4 are arranged in parallel in the frame 1. And wherein two plate-like dry heat exchangers 2 are placed in two placing cavities 4 respectively in an inclined manner and are combined into a V-shaped structure with upward openings, and at this time, the upper chambers 41 of the two placing cavities 4 are arranged in an abutting manner and can be arranged in a penetrating manner. I.e. the rear vertical side walls of the two placement cavities 4 are removed, and at this time, the two first ventilation openings 43 may be combined or spaced. In the case of the combination arrangement, one fan 5 may be provided at the first ventilation opening 43, or a plurality of fans 5 may be provided in parallel in the lateral direction. The two side walls of the two placing cavities 4 far away from each other are respectively provided with a second air vent 44 and the plate-shaped wet heat exchanger 3, and at this time, the two second air vents 44 can be both used as air inlets.
Of course, in some embodiments, the two plate-shaped dry heat exchangers 2 may be obliquely placed in the two placement cavities 4, respectively, and combined into a V-shaped structure with the openings downward, and the lower chambers 42 of the two placement cavities 4 are disposed in abutment.
In some embodiments, as shown in fig. 1 and 3, at the second ventilation opening 44, a plurality of the plate-shaped wet heat exchangers 3 are arranged in parallel in the up-down direction. The method can avoid the situation that the liquid in the wet heat exchanger flows too much in the vertical direction, thereby causing the scaling corrosion on the upper part of the wet heat exchanger to be obviously serious and the lower part of the wet heat exchanger to be unfavorable for the use of the maximum service life.
In some embodiments, when there are a plurality of plate-shaped wet heat exchangers 3, as at the second ventilation opening 44, the plurality of plate-shaped wet heat exchangers 3 may be arranged in parallel in the up-down direction, and each of the plate-shaped wet heat exchangers 3 may be arranged in alignment from top to bottom. As shown in fig. 1.
In some embodiments, as shown in fig. 4 and 5, a plurality of plate-shaped wet heat exchangers 3 may be arranged in parallel in the up-down direction at the second ventilation holes 44 arranged laterally opposite to the lower plate surface of the plate-shaped dry heat exchanger 2, and each plate-shaped wet heat exchanger 3 may be gradually biased to the inside from the top to the bottom. To avoid the formation of wind streamers there due to the oversized cavity in the lower chamber 42. As shown in fig. 4, each plate-shaped wet heat exchanger 3 is vertically arranged; as shown in fig. 5, each plate-shaped wet heat exchanger 3 is arranged obliquely to secure a ventilation area.
In some embodiments, as shown in fig. 4, two plate-shaped wet heat exchangers 3 adjacent to each other in the upper and lower directions may be provided with: the lower end of the last plate-shaped wet heat exchanger 3 is overlapped with the upper end of the next plate-shaped wet heat exchanger 3 in the up-down direction, so that the upper spray header and the lower water tank of the plate-shaped wet heat exchanger 3 are avoided, and a large space is occupied in the transverse direction of the ventilation opening.
In some embodiments, a plurality of the plate-shaped wet heat exchangers 3 arranged in parallel or in series are arranged between each other.
In some embodiments, at least one of the plate-shaped wet heat exchangers 3 is connected in series between a heat transfer fluid channel and a heat transfer fluid channel in the plate-shaped dry heat exchanger 2. Or at least one heat conduction fluid channel in the plate-shaped wet heat exchanger 3 and a heat conduction fluid channel in the plate-shaped dry heat exchanger 2 are connected in parallel.
In some embodiments, each plate-like wet heat exchanger 3 provided at the second ventilation opening 44 communicating with the lower chamber 42 is connected in parallel, and is connected in series with the plate-like dry heat exchanger 2.
In some embodiments, as shown in fig. 1, there is provided a combined wet and dry heat exchange device, which mainly includes a frame 1, a plate-shaped dry heat exchanger 2 and a plurality of plate-shaped wet heat exchangers 3, wherein a square placement cavity 4 is formed in the frame 1, the first ventilation opening 43 is formed at the upper cavity wall of the placement cavity 4, and a first fan for exhausting air upwards is disposed at the first ventilation opening 43.
Wherein the plate-like dry heat exchanger 2 is placed obliquely in the above-mentioned placement chamber 4 so as to divide the placement chamber 4 into an upper chamber 41 and a lower chamber 42. The first ventilation opening 43 is formed only in the upper side wall of the upper chamber 41.
And at the lower chamber 42, a second air vent 44 is formed in the vertical side wall of the front side of the peripheral chamber walls of the placement chamber 4, which is opposite to the horizontal direction of the lower side plate surface of the plate-shaped dry heat exchanger 2, and a plate-shaped wet heat exchanger 3 is arranged at the second air vent 44.
At the lower chamber 42, a third air vent 45 is provided on the left vertical cavity wall and/or the right vertical cavity wall, and the third air vent 45 is communicated with the lower chamber 42.
Wherein the bottom of the plate-shaped dry heat exchanger 2 is provided with a supporting seat, and a guiding inclined plane is arranged between the supporting seat and the bottom of the second ventilation opening 44, and the guiding inclined plane gradually extends upwards towards the direction approaching the plate-shaped dry heat exchanger 2.
In some embodiments, as shown in fig. 2, there is provided a combined wet and dry heat exchange device, which mainly includes a frame 1, a plate-shaped dry heat exchanger 2 and a plurality of plate-shaped wet heat exchangers 3, wherein a square placement cavity 4 is formed in the frame 1, the first ventilation opening 43 is formed at the upper cavity wall of the placement cavity 4, and a first fan for exhausting air upwards is disposed at the first ventilation opening 43.
Wherein the plate-like dry heat exchanger 2 is placed obliquely in the above-mentioned placement chamber 4 so as to divide the placement chamber 4 into an upper chamber 41 and a lower chamber 42.
At the lower chamber 42, a second air vent 44 is provided in a front vertical side wall opposite to the lower side plate surface of the plate-shaped dry heat exchanger 2 in the horizontal direction in the peripheral chamber walls of the placement chamber 4, and the second air vent 44 is opened and is not provided with the plate-shaped dry heat exchanger 2.
At the upper chamber 41, the peripheral walls of the placement chamber 4: the rear vertical side wall opposite to the upper side plate surface of the plate-shaped dry heat exchanger 2 in the horizontal direction is also provided with a second air vent 44, and the plate-shaped wet heat exchanger 3 is arranged at the second air vent 44. Wherein the first ventilation opening 43 is provided with a first fan 5 which draws air upwards.
In this case, the ventilation duct of the plate-shaped dry heat exchanger 2 and the ventilation duct of the plate-shaped wet heat exchanger 3 are arranged in parallel.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (17)
1. The dry-wet combined heat exchange device is characterized by comprising a frame, a plate-shaped dry heat exchanger and a plate-shaped wet heat exchanger, wherein a placing cavity is formed in the frame, a first ventilation opening which is vertically penetrated is formed on the upper side of the placing cavity, a second ventilation opening which is horizontally penetrated is formed on one or more sides of the placing cavity in the horizontal direction, the plate-shaped dry heat exchanger is obliquely arranged in the placing cavity so as to be divided into an upper cavity and a lower cavity, the upper side plate faces towards the first ventilation opening, and the lower side plate faces towards at least one of the second ventilation openings; the first ventilation opening and/or at least one of the second ventilation openings is/are provided with the plate-shaped wet heat exchanger extending transversely along the ventilation opening.
2. A dry and wet combined heat exchange device according to claim 1, wherein in the four vertical side walls of the placement cavity: the second air inlets are arranged on the side walls opposite to the lower side plate surface of the plate-shaped dry heat exchanger in the horizontal direction.
3. A dry and wet combined heat exchange apparatus according to claim 2, wherein each of the plate-like wet heat exchangers is provided at the second ventilation opening.
4. The dry-wet combined heat exchange device according to claim 1, wherein a third vent communicated with the lower chamber is arranged on at least one side wall of the placing cavity; at the second ventilation opening communicating with the lower chamber, the plate-shaped wet heat exchanger is provided.
5. The dry-wet combined heat exchange apparatus according to claim 4, wherein the plate-like wet heat exchanger is provided at a second ventilation opening horizontally opposed to a lower side plate surface of the plate-like dry heat exchanger; the third ventilation opening is positioned on the vertical side wall between the plate-shaped dry heat exchanger and the plate-shaped wet heat exchanger.
6. The dry-wet combined heat exchange apparatus according to claim 5, wherein at least one of the first ventilation opening, the second ventilation opening and the third ventilation opening is provided with a fan for accelerating the flow of wind.
7. The dry and wet combined heat exchange apparatus according to claim 6, wherein at least one of the first ventilation opening, the second ventilation opening and the third ventilation opening is provided with a closing door.
8. The dry-wet combined heat exchange device according to claim 4, wherein the first ventilation opening, the third ventilation opening and the second ventilation opening communicated with the lower chamber are respectively provided with a fan capable of independently turning on and off and exhausting air outwards or a fan capable of independently turning on and off and supplying air inwards; the first ventilation opening, the third ventilation opening and the second ventilation opening communicated with the lower cavity are all provided with sealing doors capable of being independently opened and closed.
9. The dry-wet combined heat exchange device according to claim 4, wherein the third ventilation opening is provided with a closing door with an adjustable opening size.
10. The dry-wet combined heat exchange device according to claim 1, wherein two placing cavities are arranged in parallel in the rack; the two plate-shaped dry heat exchangers are respectively obliquely arranged in the two placing cavities and are combined into a V-shaped structure with an upward opening; the two placing cavities are communicated; the two side cavity walls far away from the placing cavity bodies are respectively provided with the second ventilation opening and the plate-shaped wet heat exchanger.
11. A dry-wet combined heat exchange apparatus according to any one of claims 1 to 10, wherein a plurality of the plate-like wet heat exchangers are juxtaposed in the up-down direction in order at the second ventilation opening.
12. The dry-wet combined heat exchange apparatus according to claim 11, wherein the plate-like wet heat exchanger is a wet film heat exchanger, a spray heat exchanger or an atomizing heat exchanger.
13. A dry-wet combined heat exchange apparatus according to claim 12, wherein a plurality of the plate-like wet heat exchangers are arranged side by side in the up-down direction in the second ventilation opening provided laterally opposite to the lower plate surface of the plate-like dry heat exchanger, and each of the plate-like wet heat exchangers is gradually biased to the inside from the top down.
14. A dry-wet combined heat exchange apparatus according to claim 13, wherein in two adjacent plate-like wet heat exchangers in the upper and lower direction: the lower end of the last plate-shaped wet heat exchanger and the upper end of the next plate-shaped wet heat exchanger are overlapped in the up-down direction.
15. A dry-wet combined heat exchange apparatus according to claim 14, wherein a plurality of the plate-like wet heat exchangers arranged in parallel are arranged in parallel between each other.
16. A dry and wet combined heat exchange apparatus according to claim 15 wherein at least one of the plate-like wet heat exchanger internal heat transfer fluid passages is connected in series with the plate-like dry heat exchanger internal heat transfer fluid passage.
17. A dry and wet combined heat exchange device according to claim 16, wherein the placement cavity is a square cavity or a cylindrical cavity.
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WO2024103963A1 (en) * | 2022-11-16 | 2024-05-23 | 深圳市英维克科技股份有限公司 | Dry-wet combined heat exchange device |
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WO2024103963A1 (en) * | 2022-11-16 | 2024-05-23 | 深圳市英维克科技股份有限公司 | Dry-wet combined heat exchange device |
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