CN211400864U - Baffling ring supporting petal-shaped finned tube heat exchanger - Google Patents
Baffling ring supporting petal-shaped finned tube heat exchanger Download PDFInfo
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- CN211400864U CN211400864U CN201921561018.3U CN201921561018U CN211400864U CN 211400864 U CN211400864 U CN 211400864U CN 201921561018 U CN201921561018 U CN 201921561018U CN 211400864 U CN211400864 U CN 211400864U
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- finned tube
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Abstract
The utility model discloses a baffling circle supports petal finned tube heat exchanger, including casing, two closure lids, set up baffling circle support part, a set of petal finned tube in the casing. Two ends of the shell are respectively provided with a tube plate. A group of petal-shaped finned tubes penetrate through the baffling ring supporting part, and two ends of the group of petal-shaped finned tubes are respectively connected with two tube plates. Two end enclosure covers are respectively arranged at two ends of the shell, and one end enclosure cover corresponds to one tube plate. The deflecting ring supporting part comprises at least two deflecting ring groups which are arranged on the inner wall of the shell in parallel at equal intervals. The utility model discloses intensity is high, the rigidity is strong, can prevent and reduce the tube bank and the heat exchanger vibrations that arouse under the high velocity of flow, reduce shell side fluidic resistance, increase effective heat transfer area, show simultaneously and improve fluidic disturbance intensity, can make heat exchanger shell side heat transfer coefficient improve more than 2 times.
Description
Technical Field
The invention relates to the technical field of heat exchange equipment, in particular to a baffling ring support petal-shaped finned tube heat exchanger.
Background
The shell-and-tube heat exchanger is a heat exchange device widely applied to the industries of chemical industry, petrochemical industry, refrigeration, power, metallurgy, pharmacy and the like. In order to improve the heat exchange efficiency, various heat exchange tubes for enhancing heat transfer have been developed and commercialized. However, the heat exchange tubes still adopt the traditional supporting structure, and further improvement of the heat exchange performance is greatly influenced. The traditional shell side supporting baffle device mainly adopts an arch baffle plate, a disc-annular baffle plate and the like, and has the defects of dead flowing angle, large fluid resistance, easy scaling, easy vibration and the like. Therefore, the research on the novel support structure for the reinforced heat exchange tubes becomes a hot point of the research on the heat exchanger. With the development of modern industry, the heat load and the weight of a single heat exchange device gradually develop towards large-scale direction, and higher requirements on uniformity and resistance of fluid flow are provided.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a baffling ring support petal-shaped finned tube heat exchanger which has high strength and high rigidity, can prevent and reduce vibration of a tube bundle and the heat exchanger caused by high flow velocity, greatly reduce resistance of shell-side fluid, increase effective heat exchange area, obviously improve disturbance strength of the fluid and improve heat exchange coefficient of the shell side of the heat exchanger by more than 2 times.
In order to solve the technical problems, the invention adopts the following technical scheme:
a baffle ring supporting petal-shaped finned tube heat exchanger comprises a shell, two sealing cover, a baffle ring supporting part arranged in the shell and a group of petal-shaped finned tubes. Two ends of the shell are respectively provided with a tube plate. A group of petal-shaped finned tubes penetrate through the baffling ring supporting part, and two ends of the group of petal-shaped finned tubes are respectively connected with two tube plates. Two end enclosure covers are respectively arranged at two ends of the shell, and one end enclosure cover corresponds to one tube plate. The interior of the end cover is communicated with the petal-shaped finned tube. The top of the shell is provided with two first connecting pipes communicated with the inside of the shell. The bottom of the shell is provided with a second connecting pipe communicated with the inside of the shell. And the bottom of each end cover is provided with a third connecting pipe communicated with the inside of the end cover.
The deflecting ring supporting part comprises at least two deflecting ring groups which are arranged on the inner wall of the shell in parallel at equal intervals.
In one embodiment, each baffle ring set comprises two first baffle rings arranged in parallel and staggered by 90 degrees. Each first baffle ring is internally provided with a group of first circular baffle rods which are arranged in parallel and at equal intervals. The clear distance between two adjacent first circular baffle rods is consistent with the outer diameter of the petal-shaped finned tube. The petal-shaped finned tubes penetrate through each baffling ring group according to square arrangement, four supporting points are arranged between each petal-shaped finned tube and a first circular baffling rod of any one baffling ring group, and the diameter of each first circular baffling rod is equal to 1 time of the clear distance of the petal-shaped finned tube.
In one embodiment, each baffle ring set comprises three second baffle rings which are staggered by 60 degrees and are arranged in parallel at equal intervals. And a group of second round baffling rods which are arranged in parallel and at equal intervals are arranged in each second baffling ring. The clear distance between two adjacent second round baffling rods is consistent with the outer diameter of the petal-shaped finned tube. The petal-shaped finned tubes penetrate through each deflection ring group according to regular triangle arrangement, six supporting points are arranged between each petal-shaped finned tube and the second round deflection rods of any deflection ring group, and the diameter of each second round deflection rod is equal to that of each second round deflection rod
Doubling the clear distance of the petal-shaped finned tube.
In one embodiment, the baffle ring supporting petal-shaped finned tube heat exchanger further comprises distance tubes arranged on the inner wall of the shell for separating the baffle ring groups.
In one embodiment, the connection mode between the petal-shaped finned tube and the tube plate is a fixed connection mode, a floating head mode or a U-shaped tube mode.
The invention has the advantages and beneficial effects that:
1. the design of the first baffle ring, the first round baffle rod, the second baffle ring and the second round baffle rod improves the strength and rigidity of the shell type heat exchanger tube bundle (the tube bundle refers to a group of petal-shaped finned tubes in the invention), especially a large tube bundle, so that shell side fluid is more uniformly distributed.
2. The diameter of each first round baffle rod is equal to 1 time of the clear distance (namely no gap) of the petal-shaped finned tube; each second circular baffle rod has a diameter equal to
Doubling the clear pitch (i.e., no gaps) of the petal-shaped finned tubes; the petal-shaped finned tubes are prevented from vibrating at high flow velocity, and the disturbance degree of the tube bundles caused by weight is reduced, so that stable operation is achieved.
3. Compared with the prior art, the shell-side supporting baffle device can effectively keep shell-side fluid flowing longitudinally, forms pure countercurrent heat exchange with fluid in the petal-shaped finned tube, and greatly reduces the resistance of the shell-side fluid.
4. The heat exchange tubes are petal-shaped finned tubes, so that the effective heat exchange area is increased, the disturbance strength of fluid can be obviously improved, and the heat exchange coefficient of the shell side of the heat exchanger can be improved by more than 2 times.
5. The invention can be widely used for heat exchange equipment such as vertical and horizontal shell-and-tube coolers, shell-and-tube condensers and the like of axial flow.
Drawings
Fig. 1 is a schematic structural view of embodiment 1.
FIG. 2 is a schematic view showing the structure of two first baffle rings staggered by 90 ° in one baffle ring set in example 1.
FIG. 3 is a schematic structural view of a petal-shaped finned tube of example 1.
FIG. 4 is a schematic diagram of the structure of three second baffle rings staggered by 60 degrees in one baffle ring set in example 2.
Detailed Description
In order to facilitate an understanding of the invention, a full description thereof will be given below with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
Referring to fig. 1 to 3, a baffle ring supporting petal-shaped finned tube heat exchanger includes a casing 1, two enclosure covers 2, a baffle ring supporting portion 3 disposed in the casing 1, and a set of petal-shaped finned tubes 4.
Wherein, two ends of the shell 1 are respectively provided with a tube plate 5. A group of petal-shaped finned tubes 4 penetrate through the baffling ring supporting part 3, and two ends of the group of petal-shaped finned tubes are respectively connected with two tube plates 5.
Specifically, two end cap covers 2 are respectively arranged at two ends of the shell 1, and one end cap cover 2 corresponds to one tube plate 5. The inside of the closure cap 2 is communicated with the petal-shaped finned tube 4. The top of the shell 1 is provided with two first connecting pipes 6 communicated with the inside of the shell 1. The bottom of the shell 1 is provided with a second connecting pipe 7 communicated with the inside of the shell 1. The bottom of each end cap 2 is provided with a third connecting pipe 8 communicated with the inside of the end cap 2.
Wherein, the baffling ring supporting part 3 comprises at least two baffling ring groups which are arranged on the inner wall of the shell 1 in parallel at equal intervals.
Specifically, each baffle ring set comprises two first baffle rings 9 which are arranged in parallel and staggered by 90 degrees. Each first baffle ring 9 is internally provided with a group of first circular baffle rods 10 which are arranged in parallel and at equal intervals. The clear distance between two adjacent first circular baffle rods 10 is consistent with the outer diameter of the petal-shaped finned tube 4. The petal-shaped finned tubes 4 penetrate through each baffle ring group according to square arrangement, four supporting points are arranged between each petal-shaped finned tube 4 and the first round baffle rods 10 of any one baffle ring group, and the diameter of each first round baffle rod 10 is equal to 1 time of the clear distance of the petal-shaped finned tube 4.
The baffle device further comprises a distance tube 11, wherein the distance tube 11 is arranged on the inner wall of the shell 1 and used for separating the baffling ring sets.
Specifically, the connection mode between the petal-shaped finned tube 4 and the tube plate 5 is a fixed connection mode, a floating head mode or a U-shaped tube mode.
Example 2
Referring to fig. 4, the present embodiment 2 is different from the present embodiment 1 only in that, in the present embodiment 2, each baffle ring set includes three second baffle rings 12 arranged equidistantly and in parallel and staggered by 60 ° as shown in fig. 4. Each second baffle ring 12 is provided with a group of second round baffle rods 13 which are arranged in parallel and at equal intervals. The clear distance between two adjacent second circular baffle rods 13 is consistent with the outer diameter of the petal-shaped finned tube 4. The petal-shaped finned tubes 4 penetrate through each deflection ring group according to regular triangle arrangement, six supporting points are arranged between each petal-shaped finned tube 4 and the second circular deflection rods 13 of any deflection ring group, and the diameter of each second circular deflection rod 13 is equal to that of each second circular deflection rod 13
Doubling the clear distance of the petal-shaped finned tube 4.
The invention has the advantages and beneficial effects that:
1. the design of the first baffle ring 9, the first round baffle rod 10, the second baffle ring 12 and the second round baffle rod 13 improves the strength and rigidity of the shell-type heat exchanger tube bundle (the tube bundle refers to a group of petal-shaped finned tubes 4 in the invention), especially a large tube bundle, so that shell-side fluid is more uniformly distributed.
2. The diameter of each first circular baffle rod 10 is equal to 1 time of the net distance (namely no gap) of the petal-shaped finned tube 4; each second circular rod baffle 13 has a diameter equal to
Double the clear pitch of the petal-shaped finned tubes 4 (i.e., no gap); the petal-shaped finned tubes 4 are prevented from vibrating at high flow velocity, and the disturbance degree of the tube bundles caused by weight is reduced, so that stable operation is achieved.
3. Compared with the shell-side supporting baffle device in the prior art, the shell-side supporting baffle device can effectively keep shell-side fluid flowing longitudinally, pure countercurrent heat exchange is formed between the shell-side fluid and the fluid in the petal-shaped finned tube 4, and the resistance of the shell-side fluid is greatly reduced.
4. The heat exchange tube is the petal-shaped finned tube 4, so that the effective heat exchange area is increased, the disturbance strength of fluid can be obviously improved, and the heat exchange coefficient of the shell side of the heat exchanger can be improved by more than 2 times.
5. The invention can be widely used for heat exchange equipment such as vertical and horizontal shell-and-tube coolers, shell-and-tube condensers and the like of axial flow.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. A baffling ring supporting petal-shaped finned tube heat exchanger is characterized by comprising a shell, two end enclosure covers, a baffling ring supporting part and a group of petal-shaped finned tubes, wherein the baffling ring supporting part and the group of petal-shaped finned tubes are arranged in the shell;
the deflecting ring supporting part comprises at least two deflecting ring groups which are arranged on the inner wall of the shell in parallel at equal intervals.
2. The baffle ring supporting petal-shaped finned tube heat exchanger of claim 1, wherein each baffle ring group comprises two first baffle rings which are staggered by 90 degrees and arranged in parallel, each first baffle ring is internally provided with a group of first circular baffle rods which are arranged in parallel and equidistantly, the clear distance between every two adjacent first circular baffle rods is consistent with the outer diameter of the petal-shaped finned tube, the petal-shaped finned tube penetrates through each baffle ring group according to square arrangement, four supporting points are arranged between each petal-shaped finned tube and the first circular baffle rod of any one baffle ring group, and the diameter of each first circular baffle rod is equal to 1 time of the clear distance of the petal-shaped finned tube.
3. The baffled ring-supported petal finned tube exchanger of claim 1, wherein each baffled ring set comprises three second baffles arranged in parallel and equidistantly staggered at 60 degreesThe circle, all be equipped with the circular baffling pole of a set of parallel equidistance arrangement of second in every second baffling circle, the clear distance between two adjacent circular baffling poles of second is unanimous with the external diameter of petal finned tube, every baffling circle group is passed according to regular triangle arrangement to petal finned tube, and has six strong points between the second circular baffling pole of every petal finned tube and arbitrary one baffling circle group, the diameter of every circular baffling pole all equals to
Doubling the clear distance of the petal-shaped finned tube.
4. The baffling ring-supported petal finned tube heat exchanger of claim 1, further comprising spacer tubes disposed on the inner wall of the housing for spacing the baffling ring sets.
5. The baffle ring supporting petal-shaped finned tube heat exchanger of claim 1, wherein the connection mode between the petal-shaped finned tube and the tube plate is a fixed connection mode, or a floating head mode, or a U-shaped tube mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921561018.3U CN211400864U (en) | 2019-09-18 | 2019-09-18 | Baffling ring supporting petal-shaped finned tube heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921561018.3U CN211400864U (en) | 2019-09-18 | 2019-09-18 | Baffling ring supporting petal-shaped finned tube heat exchanger |
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| CN211400864U true CN211400864U (en) | 2020-09-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129061A (en) * | 2020-09-23 | 2020-12-25 | 新疆华丹原牧农业科技有限公司 | Low-energy-consumption environment-friendly heat pump grain dryer |
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2019
- 2019-09-18 CN CN201921561018.3U patent/CN211400864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129061A (en) * | 2020-09-23 | 2020-12-25 | 新疆华丹原牧农业科技有限公司 | Low-energy-consumption environment-friendly heat pump grain dryer |
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