CN215893304U - High-efficiency gas condensation heat exchange equipment - Google Patents
High-efficiency gas condensation heat exchange equipment Download PDFInfo
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- CN215893304U CN215893304U CN202121990362.1U CN202121990362U CN215893304U CN 215893304 U CN215893304 U CN 215893304U CN 202121990362 U CN202121990362 U CN 202121990362U CN 215893304 U CN215893304 U CN 215893304U
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Abstract
The utility model provides high-efficiency gas condensation heat exchange equipment, which comprises a heat exchanger; the baffle plates are arranged in the heat exchanger, wherein the distance between the baffle plates is gradually decreased along the axial direction of the heat exchanger, and the distance is enlarged at the minimum position of the distance to form a defoaming heat exchange area; and the liquid collection assembly at least comprises a liquid collection pipe, and the liquid collection pipe is positioned at the interval of the baffle plates, is arranged at the lowest point of the heat exchanger and is used for collecting condensate. The gas medium can be increased in the area where the heat exchange efficiency is lowered to increase the contact stroke with the liquid medium, so that the heat exchange efficiency is improved, the heat transfer quality of the gas medium is further improved, the heat exchange area required by the gas medium is reduced, and therefore the condensate can be collected in the area of each section of gas-liquid heat exchange, the condensate is prevented from being accumulated, the condensate is timely moved outwards, the heat exchanger is prevented from being partially or completely submerged, and the problem that the condensate blocks the gas medium outlet to cause gas phase short circuit can be prevented.
Description
Technical Field
The utility model relates to the technical field of chemical equipment, in particular to high-efficiency gas condensation heat exchange equipment.
Background
Condensation refers to the phenomenon that substances are liquefied from gaseous state to liquid state, and in the condensation process, gas is gradually liquefied and the volume is continuously reduced. The condensation process is mainly divided into two types, one is called film-like condensation and the other is called drop-like condensation.
The condensed liquid in the film-shaped condensation can well wet the wall surface, a layer of continuous liquid film is formed on the wall surface, the condensation process is only carried out on the interface of the liquid film and the steam, and the vaporization phase change enthalpy released by the condensation can be transmitted to the cooling wall surface only by passing through the layer of liquid film.
Most of the condensation process belongs to film-shaped condensation, the liquid film layer becomes the main heat transfer resistance, and the higher the heat transfer coefficient of the liquid film or the thinner the thickness of the liquid film, the more heat is transferred. Therefore, when designing the condenser, in order to improve the condensation heat transfer coefficient, consideration is needed to avoid the continuous thickening of the condensate film and how to promote the thinning of the condensate film.
The horizontal condenser is characterized in that the condensate continuously drops from the tube in the shell side, so that the liquid film layer is not continuously thickened along with the increase of the condensation amount.
The design baffle plate interval is the same at present in condensation heat exchanger design, and gas constantly liquefies the back, leads to the gas velocity of flow in the heat exchanger to reduce by a wide margin, and the coefficient of heat transfer reduces. In addition, the condensate has only one outlet and cannot be discharged in time, so that a part of the heat exchange tube is easily submerged by the liquid phase at the bottom of the shell pass. The liquid phase channel left at the bottom of the baffle plate is easy to cause the problems of gas phase short circuit and the like.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art.
To this end, the utility model provides, in a first aspect, a high efficiency gas condensing heat exchange apparatus.
The utility model provides high-efficiency gas condensation heat exchange equipment, which comprises a heat exchanger; the baffle plates are arranged in the heat exchanger, wherein the distance between the baffle plates is gradually decreased along the axial direction of the heat exchanger, and the distance is enlarged at the minimum position of the distance to form a defoaming heat exchange area; and the liquid collection assembly at least comprises a liquid collection pipe, and the liquid collection pipe is positioned at the interval of the baffle plates, is arranged at the lowest point of the heat exchanger and is used for collecting condensate.
The utility model provides high-efficiency gas condensation heat exchange equipment which comprises a heat exchanger, a baffle plate and a liquid collection assembly. The heat exchanger is used for realizing the heat exchange process between media. In particular, the heat exchanger may be a bedroom condenser as known in the art. The baffle plate is used for limiting the flowing direction of the medium in the heat exchanger so that the medium flows according to a specified route, thereby increasing the contact area and the flowing stroke with other media and further improving the heat exchange efficiency and the heat exchange quality. In particular, the spacing of the baffles decreases in the axial direction of the heat exchanger, preferably in the flow direction of the gaseous medium. That is, through the arrangement of the structure, the gas medium can increase the contact stroke with the liquid medium in the area (the second half section of the heat exchanger) with low heat exchange efficiency, thereby improving the heat exchange efficiency, further improving the heat transfer quality of the gas medium and reducing the heat exchange area required by the gas medium. In addition, the distance between the defoaming heat exchange areas is enlarged, so that the speed of a gas medium outlet can be reduced, and entrainment of mist is prevented. The liquid collection assembly is used for collecting condensate liquid formed after gas condensation in time. Specifically, the collector tube sets up in baffling board interval department, consequently can ensure can both collect the condensate in every section gas-liquid heat transfer's region to prevent piling up of condensate, in time move the condensate outward, prevent that the heat exchanger from being submerged by part or whole, also can prevent that the condensate from blockking up the problem that the gaseous medium export caused the gaseous phase short circuit.
The efficient gas condensation heat exchange equipment according to the technical scheme of the utility model can also have the following additional technical characteristics:
in the above technical scheme, the baffle plates are bow-shaped baffle plates which are arranged in the heat exchanger in an up-down or left-right structure, and the distance between the bow-shaped baffle plates decreases progressively along the axial direction of the heat exchanger.
In the technical scheme, the baffle plate is an arched baffle plate. In particular, the heat exchanger can be arranged in an up-down or left-right structure in an opposite way. When the structure is an upper-lower structure, the liquid collecting pipe is arranged between the adjacent arched baffles and is close to the arched baffle below, and the liquid collecting pipe is arranged at the lowest point of the lower wall surface of the heat exchanger so as to ensure that condensate is collected and discharged in time. When the structure is a left-right structure, the liquid collecting pipe is arranged between the adjacent arched baffles and is arranged at the lowest point of the lower wall surface of the heat exchanger so as to ensure that condensate is collected and discharged in time.
In the above technical scheme, the baffle plate is a spiral baffle plate, and the spiral angle of the baffle plate decreases progressively along the axial direction of the heat exchanger to form a spacing decreasing structure.
In this technical solution, the baffle may also be a helical baffle. Specifically, the spiral angle of the spiral baffle is gradually decreased along the axial direction of the heat exchanger, and the distance between adjacent spiral sheets is ensured to be gradually decreased, so that the stroke of the gas medium contacting with the liquid medium in the area (the rear half section of the heat exchanger) with low heat exchange efficiency is increased, and the heat exchange efficiency is further improved.
In any one of the above technical solutions, the liquid collection assembly further includes a liquid collection header pipe, which is communicated with the liquid collection pipe and disposed below the heat exchanger; and the liquid outlet pipe is communicated with the liquid collecting main pipe, and the liquid outlet height of the liquid outlet pipe is higher than the horizontal height of the liquid collecting assembly but not higher than the horizontal height of the bottom of the heat exchanger.
In this technical scheme, the collection liquid assembly includes collection liquid house steward and drain pipe. The liquid collecting main pipe is used for collecting condensate from the liquid collecting pipe, and the condensate is conveniently and uniformly discharged. Specifically, the liquid collecting main pipe and the axial direction of the heat exchanger are horizontally arranged at the liquid outlet of the liquid collecting pipe. The drain pipe is connected in one side of collecting the liquid house steward, and guarantees that the height of the liquid outlet of drain pipe is greater than the level of collecting the liquid assembly, but is less than the level of heat exchanger bottom to guarantee the normal outflow of condensate.
In the above technical scheme, the liquid seal device further comprises a U-shaped liquid seal communicated with the liquid outlet pipe.
In the technical scheme, the device also comprises a U-shaped liquid seal. The U-shaped liquid seal is used for preventing condensate from flowing back and facilitating the discharge of the condensate.
In the technical scheme, the device also comprises a first wire mesh which is filled in the defoaming heat exchange area; and/or a second wire mesh filled in the shell-side heat exchange area of the heat exchanger.
In the technical scheme, the wire mesh device further comprises a first wire mesh and a second wire mesh. The first wire mesh is filled in the defoaming heat exchange area, so that the effect of defoaming is ensured, and the entrainment is further reduced. The second wire mesh is filled in the shell-side heat exchange area of the heat exchanger, so that the condensation and heat transfer effects are improved.
In the above technical scheme, the heat exchanger comprises a head; the end socket and the tube plate form a pair of opposite medium cavities for accommodating liquid medium; a shell-side cavity disposed between the tube sheets to provide containment of a gaseous medium; and the heat exchange tube is arranged in the shell side cavity and penetrates through the tube plate so as to convey a liquid medium.
In the technical scheme, the heat exchanger comprises an end socket, a tube plate, a shell pass cavity and a heat exchange tube. The above structure is a general structure of a heat exchanger. The shell pass cavity is used for the circulation of gas-phase media and the circulation of liquid media in the heat exchange tube, and the shell pass cavity and the heat exchange tube move relatively to finish the heat exchange process.
In any of the above technical solutions, the heat exchanger further includes a liquid medium port disposed in the medium chamber; and the gas medium port is arranged in the shell side cavity.
In this solution, the heat exchanger comprises a liquid medium port and a gaseous medium port. The liquid medium port is used for the inlet and outlet of liquid, and the gas medium port is used for the inlet and outlet of gas medium.
In the above technical solution, the liquid medium port includes a cold medium inlet disposed in one of the medium chambers; and the cold medium outlet is arranged in the other medium cavity.
In this solution, the liquid medium port comprises a cold medium inlet and a cold medium outlet. The cold medium inlet is used for the entering of medium to accomplish the heat transfer process in the heat exchanger smoothly, the cold medium export is then used for accomplishing the medium outflow after the heat transfer.
In the above technical solution, the gas medium port includes a gas phase inlet disposed in the shell-side cavity; and the inert gas outlet is arranged in the shell side cavity and is opposite to the gas phase inlet.
In this embodiment, the gaseous medium port includes a gas phase inlet and an inert gas outlet. The gas phase inlet is used for the inlet of the gas medium, and the inert gas outlet is used for the outlet of the gas which can not be condensed.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a block diagram of a high efficiency gas condensing heat exchange apparatus according to one embodiment of the present invention;
fig. 2 is a structural diagram of a high-efficiency gas condensation heat exchange device according to another embodiment of the utility model.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 2 is:
102 heat exchanger, 1022 head, 1024 tube plate, 1026 shell-side cavity, 1028 heat exchange tube, 104 baffle plate, 106 liquid collection assembly, 1062 liquid collection tube, 1064 liquid collection header, 1066 liquid outlet tube, 108 defoaming heat exchange zone, 110U-shaped liquid seal, 112 cold medium inlet, 114 cold medium outlet, 116 gas phase inlet, 118 inert gas outlet.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
A high efficiency gas condensing heat exchange apparatus provided according to some embodiments of the present invention is described below with reference to fig. 1 to 2.
Some embodiments of the present application provide a high efficiency gas condensing heat exchange device.
As shown in fig. 1 or fig. 2, a first embodiment of the present invention provides a high efficiency gas condensation heat exchange device, comprising a heat exchanger 102; baffles 104 arranged in the heat exchanger 102, wherein the distance between the baffles 104 is decreased gradually along the axial direction of the heat exchanger 102, and the distance is enlarged at the minimum position to form a defoaming heat exchange area 108; and the liquid collecting assembly 106 at least comprises a liquid collecting pipe 1062, and the liquid collecting pipe 1062 is positioned at the interval between the baffles 104 and arranged at the lowest point of the heat exchanger 102 and is used for collecting condensate.
The high-efficiency gas condensation heat exchange device comprises a heat exchanger 102, a baffle plate 104 and a liquid collection assembly 106. The heat exchanger 102 is used for realizing a heat exchange process between media. Specifically, the heat exchanger 102 may be a bedroom condenser as known in the art. The baffle 104 is used for limiting the flowing direction of the medium in the heat exchanger 102 to make the medium flow according to a specified route, so that the contact area and the flowing stroke between the medium and other media are increased, and the heat exchange efficiency and the heat exchange quality are further improved. In particular, the spacing of the baffles 104 decreases in the axial direction of the heat exchanger 102, preferably the spacing of the baffles 104 decreases in the direction of flow of the gaseous medium. That is, with the arrangement of the above structure, the gas medium can be increased in the contact stroke with the liquid medium in the region where the heat exchange efficiency becomes low (the second half of the heat exchanger 102), thereby improving the heat exchange efficiency, further improving the heat transfer quality thereof, and reducing the heat exchange area required therefor. In addition, the interval of the defoaming heat exchange area 108 is enlarged, so that the speed of a gas medium outlet can be reduced, and entrainment of mist is prevented. The liquid collecting assembly 106 is used for collecting condensate formed after the gas is condensed in time. Specifically, the liquid collecting pipe 1062 is disposed at the interval between the baffles 104, so that it is ensured that the condensate can be collected in each section of gas-liquid heat exchange area, thereby preventing accumulation of the condensate, moving the condensate outwards in time, preventing the heat exchanger 102 from being partially or completely submerged, and preventing the condensate from blocking the gas medium outlet to cause a gas phase short circuit.
The second embodiment of the present invention provides a high efficiency gas condensation heat exchange device, and on the basis of the first embodiment, as shown in fig. 1, the baffle plates 104 are arcuate baffle plates, and are oppositely arranged in the heat exchanger 102 in an up-down or left-right structure, and the spacing of the arcuate baffle plates decreases progressively along the axial direction of the heat exchanger 102.
In this embodiment, the baffle 104 is an arcuate baffle. Specifically, the heat exchanger 102 may be arranged in an up-down or a left-right configuration. When the structure is an upper-lower structure, the liquid collecting pipe 1062 is arranged between adjacent arch baffles and close to the arch baffle below, and the liquid collecting pipe 1062 is arranged at the lowest point of the lower wall surface of the heat exchanger 102 to ensure that the condensate is collected and discharged in time. When the structure is left-right, the liquid collecting pipe 1062 is arranged between the adjacent arch baffles and at the lowest point of the lower wall surface of the heat exchanger 102 to ensure that the condensate is collected and discharged in time.
The third embodiment of the present invention provides a high efficiency gas condensation heat exchange device, and on the basis of the first embodiment, as shown in fig. 2, the baffle plate 104 is a spiral baffle plate, and the spiral angle thereof decreases progressively along the axial direction of the heat exchanger 102 to form a pitch decreasing structure.
In this embodiment, the baffle 104 may also be a helical baffle. Specifically, the spiral angle of the spiral baffle is decreased progressively along the axial direction of the heat exchanger 102, and the distance between adjacent spiral sheets is ensured to be decreased progressively, so that the stroke of the gas medium contacting with the liquid medium can be increased in the area (the rear half section of the heat exchanger 102) where the heat exchange efficiency is low, and the heat exchange efficiency is further improved.
A fourth embodiment of the present invention provides a high-efficiency gas condensation heat exchange device, and on the basis of any of the above embodiments, as shown in fig. 1 or fig. 2, the liquid collection assembly 106 further includes a liquid collection header 1064, which is communicated with the liquid collection pipe 1062 and is disposed below the heat exchanger 102; and the liquid outlet pipe 1066 is communicated with the liquid collecting header 1064, and the liquid outlet height of the liquid outlet pipe 1066 is higher than the horizontal height of the liquid collecting assembly 106 but not higher than the horizontal height of the bottom of the heat exchanger 102.
In this embodiment, the collection assembly 106 includes a collection manifold 1064 and an effluent pipe 1066. The liquid collecting main pipe 1064 is used for collecting the condensate from the liquid collecting pipe 1062, so that the condensate can be conveniently and uniformly discharged. Specifically, the header pipe 1064 and the axial direction of the heat exchanger 102 are horizontally arranged at the liquid outlet of the header pipe 1062. The liquid outlet pipe 1066 is connected to one side of the liquid collecting header pipe 1064, and ensures that the height of the liquid outlet pipe 1066 is greater than the horizontal height of the liquid collecting assembly 106, but lower than the horizontal height of the bottom of the heat exchanger 102, thereby ensuring the normal outflow of the condensate.
The fifth embodiment of the present invention provides a high efficiency gas condensation heat exchange device, and on the basis of any of the above embodiments, as shown in fig. 1 or fig. 2, the present invention further includes a U-shaped liquid seal 110, which is communicated with the liquid outlet pipe 1066.
In this embodiment, a U-shaped liquid seal 110 is also included. The U-shaped liquid seal 110 is used to prevent the condensate from flowing back and facilitate the discharge of the condensate.
A sixth embodiment of the present invention provides a high efficiency gas condensation heat exchange device, and on the basis of any of the above embodiments, as shown in fig. 1 or fig. 2, the present invention further includes a first wire mesh filled in the defoaming heat exchange area 108; and/or a second wire mesh, filled in the shell-side heat transfer zone of the heat exchanger 102.
In this embodiment, a first wire mesh and a second wire mesh are also included. The first wire mesh is filled in the defoaming heat exchange area 108, so that the effect of defoaming is ensured, and entrainment is further reduced. The second wire mesh is filled in the shell-side heat transfer zone of the heat exchanger 102 to achieve improved condensation and increased heat transfer.
A seventh embodiment of the present invention provides a high efficiency gas condensation heat exchange device, and on the basis of any of the above embodiments, as shown in fig. 1 or fig. 2, the heat exchanger 102 includes a head 1022; a tube plate 1024, between which the end enclosure 1022 and the tube plate 1024 form a pair of opposite medium cavities for containing liquid medium; a shell-side cavity 1026 disposed between the tube sheets 1024 to provide containment of a gaseous medium; and the heat exchange tube 1028 is arranged in the shell-side cavity 1026 and penetrates through the tube plate 1024 to provide liquid medium transportation.
In this embodiment, the heat exchanger 102 includes a head 1022, a tube sheet 1024, a shell-side cavity 1026, and heat exchange tubes 1028. The above-described structure is a general structure of the heat exchanger 102. Wherein, the shell pass cavity 1026 is used for the circulation of gas phase medium, is used for the circulation of liquid medium in the heat exchange tube 1028, and both are in relative motion, thereby accomplishing the heat exchange process.
An eighth embodiment of the present invention provides a high-efficiency gas condensation heat exchange device, and on the basis of any of the above embodiments, as shown in fig. 1 or fig. 2, the heat exchanger 102 further includes a liquid medium port disposed in the medium cavity; and a gas medium port arranged in the shell-side cavity 1026.
In the present embodiment, the heat exchanger 102 includes a liquid medium port and a gas medium port. The liquid medium port is used for the inlet and outlet of liquid, and the gas medium port is used for the inlet and outlet of gas medium.
A ninth embodiment of the present invention provides a high efficiency gas condensation heat exchange device, and on the basis of any of the above embodiments, as shown in fig. 1 or fig. 2, the liquid medium port includes a cold medium inlet 112 disposed in one of the medium chambers; a cold medium outlet 114 provided in the other of said medium chambers.
In the present embodiment, the liquid medium ports include a cold medium inlet 112 and a cold medium outlet 114. The cold medium inlet 112 is used for the inlet of the medium so as to smoothly complete the heat exchange process in the heat exchanger 102, and the cold medium outlet 114 is used for the outlet of the medium after the heat exchange process is completed.
A tenth embodiment of the present invention provides a high efficiency gas condensation heat exchange device, and based on any of the above embodiments, as shown in fig. 1 or fig. 2, the gas medium port includes a gas phase inlet 116 disposed in the shell-side cavity 1026; an inert gas outlet 118 is disposed in the shell-side chamber 1026 opposite the vapor phase inlet 116.
In this embodiment, the gaseous medium ports include a gas phase inlet 116 and an inert gas outlet 118. The gas phase inlet 116 is used for the inlet of the gaseous medium and the inert gas outlet 118 is used for the outlet of the non-condensable gases.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a high-efficient gaseous condensation indirect heating equipment which characterized in that includes:
a heat exchanger (102);
a baffle plate (104) arranged in the heat exchanger (102), wherein the distance between the baffle plates (104) is decreased gradually along the axial direction of the heat exchanger (102), and the distance is enlarged and a defoaming heat exchange area (108) is formed at the minimum position of the distance;
and the liquid collecting assembly (106) at least comprises a liquid collecting pipe (1062), and the liquid collecting pipe (1062) is positioned at the interval of the baffles (104) and arranged at the lowest point of the heat exchanger (102) and is used for collecting condensate.
2. The high-efficiency gas condensation heat exchange device according to claim 1, wherein the baffles (104) are arcuate baffles, which are oppositely arranged in the heat exchanger (102) in an up-down or a left-right structure, and the spacing of the arcuate baffles decreases along the axial direction of the heat exchanger (102).
3. The high-efficiency gas condensation heat exchange device according to claim 1, wherein the baffle (104) is a spiral baffle, and the spiral angle of the spiral baffle is gradually reduced along the axial direction of the heat exchanger (102) so as to form a pitch gradually-reduced structure.
4. A high efficiency gas condensing heat exchange device according to claim 2 or 3 wherein the liquid collection assembly (106) further comprises:
a header pipe (1064) which is communicated with the header pipe (1062) and is arranged below the heat exchanger (102);
and the liquid outlet pipe (1066) is communicated with the liquid collecting header pipe (1064), and the liquid outlet height of the liquid outlet pipe (1066) is higher than the horizontal height of the liquid collecting assembly (106) but not higher than the horizontal height of the bottom of the heat exchanger (102).
5. The apparatus of claim 4, further comprising:
and the U-shaped liquid seal (110) is communicated with the liquid outlet pipe (1066).
6. The high efficiency gas condensing heat exchange apparatus of claim 2 or 3 further comprising:
a first wire mesh filled in the defoaming heat exchange zone (108); and/or
And the second wire mesh is filled in the shell-side heat exchange area of the heat exchanger (102).
7. A high efficiency gas condensation heat exchange apparatus according to claim 2 or 3 wherein the heat exchanger (102) comprises:
a seal head (1022);
a tube plate (1024), a pair of opposite medium cavities are formed between the end socket (1022) and the tube plate (1024) for containing liquid medium;
a shell-side cavity (1026) disposed between the tube sheets (1024) to provide containment of a gaseous medium;
and the heat exchange tube (1028) is arranged in the shell-side cavity (1026) and penetrates through the tube plate (1024) so as to provide liquid medium conveying.
8. The high efficiency gas condensing heat exchange device of claim 7 wherein said heat exchanger (102) further comprises:
a liquid media port disposed in the media chamber;
a gaseous medium port disposed in the shell-side cavity (1026).
9. The high efficiency gas condensing heat exchange device of claim 8 wherein said liquid medium port comprises:
a cold medium inlet (112) provided in one of the medium chambers;
a cold medium outlet (114) disposed in another of the medium chambers.
10. The apparatus of claim 8, wherein the gas media port comprises:
a vapor phase inlet (116) disposed in the shell-side cavity (1026);
an inert gas outlet (118) disposed in the shell-side cavity (1026) and disposed opposite the vapor phase inlet (116).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121990362.1U CN215893304U (en) | 2021-08-23 | 2021-08-23 | High-efficiency gas condensation heat exchange equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121990362.1U CN215893304U (en) | 2021-08-23 | 2021-08-23 | High-efficiency gas condensation heat exchange equipment |
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| Publication Number | Publication Date |
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| CN215893304U true CN215893304U (en) | 2022-02-22 |
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| CN202121990362.1U Active CN215893304U (en) | 2021-08-23 | 2021-08-23 | High-efficiency gas condensation heat exchange equipment |
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| CN (1) | CN215893304U (en) |
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2021
- 2021-08-23 CN CN202121990362.1U patent/CN215893304U/en active Active
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