CN218002258U - Non-metal corrosion-resistant reinforced heat exchanger - Google Patents
Non-metal corrosion-resistant reinforced heat exchanger Download PDFInfo
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- CN218002258U CN218002258U CN202221052927.6U CN202221052927U CN218002258U CN 218002258 U CN218002258 U CN 218002258U CN 202221052927 U CN202221052927 U CN 202221052927U CN 218002258 U CN218002258 U CN 218002258U
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Abstract
The utility model discloses a non-metal corrosion-resistant reinforced heat exchanger, wherein, heat exchanger tube plates are arranged at two ends of a heat exchanger shell, a plurality of tubes are arranged in a heat exchange cavity inside the heat exchanger shell, the two ends of each tube penetrate through the design of the heat exchanger tube plates, and spiral bulges are arranged on the outer walls of the tubes; through the structural arrangement, the spiral protrusions are additionally arranged on the outer surface of the heat exchange tube array and can disturb fluid, so that the fluid is forced to form turbulence when passing through, and the heat transfer efficiency can be improved by 8-12%; in addition, a set of liquid rotational flow dispersing device is designed and installed at the inlet of the cooler, so that cooling water changes the flow direction and enters the shell side from the multiple holes without directly impacting the tubes, and the problem of tube damage is thoroughly solved through the simple structure.
Description
Technical Field
The utility model belongs to the technical field of nonmetal corrosion resistant pipe heat exchanger, concretely relates to nonmetal corrosion-resistant reinforcing heat exchanger.
Background
The applicant is mainly engaged in designing tail gas treatment equipment in chemical and pharmaceutical industries, and the tail gas in the industries has strong corrosivity, is not tolerant to general metals and needs to be made of non-metal anticorrosive materials.
Although the problem of corrosion resistance of the heat exchanger is solved at present, the heat conductivity coefficient of a non-metal material is not as high as that of metal, so that how to improve the heat transfer efficiency becomes very necessary.
There are three ways of heat transfer: conduction, convection, and radiation. In corrosion-resistant heat exchange equipment, heat conduction is basically adopted, namely heat (or cold) is transferred through the tube walls of the tubes. At present, in the field of anticorrosive heat exchange devices, the outer walls of all the tubes of all the heat exchange equipment are smooth surfaces, and fluid flows through without disturbance and cannot form turbulence, namely heat flows away after insufficient exchange, and the heat exchange efficiency is directly influenced.
Based on this, according to the urgent needs of market demand and product performance promotion, the person of ordinary skill in the art needs to design a corrosion-resistant reinforcing heat exchanger of high-efficient heat transfer very much, and it can realize that liquid forms the torrent in the heat transfer chamber, stirs liquid water and promotes the heat transfer.
Disclosure of Invention
For overcoming prior art not enough, the utility model provides a nonmetal corrosion-resistant reinforcing heat exchanger, it combines experience of practice and theoretical research, through simple institutional advancement, effectual improvement heat exchange efficiency.
In order to achieve the technical purpose, the utility model adopts the following scheme: a non-metal corrosion-resistant enhanced heat exchanger comprises a heat exchanger shell, wherein heat exchanger tube plates are arranged at two ends of the heat exchanger shell, a plurality of tube arrays are arranged in a heat exchange cavity in the heat exchanger shell, and two ends of each tube array penetrate through the design of the heat exchanger tube plates; the outer wall of the tube array is provided with a spiral bulge; the heat exchanger is characterized in that a water return port is formed in the outer wall of one end of the heat exchanger shell, a circle of dispersing ring is arranged on the outer wall of the other end of the heat exchanger shell in a surrounding mode, a plurality of water distribution holes are formed in the dispersing ring and communicated with the inside of the heat exchanger shell, and a cooling water inlet is formed in the outer connection of the dispersing ring.
The tube is made of graphite modified polypropylene, and the spiral protrusion on the surface of the tube is a graphite modified polypropylene cylindrical hot-melt welding rod which is welded on the outer wall of the tube through hot melting.
The pitch of the spiral bulge is the same as the diameter of the tube array.
The height of the spiral bulge on the outer wall of the tube array is 2-4 mm.
The cooling water inlet is provided with an extension pipe, and the extension pipe is arranged tangential to the outer wall of the dispersion ring.
The plurality of tube arrays are arranged in parallel inside the heat exchanger shell.
The utility model has the advantages that: through the arrangement, the heat exchanger tube plates are arranged at the two ends of the heat exchanger shell, a plurality of tube arrays are arranged in the heat exchange cavity in the heat exchanger shell, the two ends of each tube array penetrate through the design of the heat exchanger tube plates, and the outer walls of the tube arrays are provided with spiral bulges; by the structure, the spiral protrusions are additionally arranged on the outer surface of the heat exchange tube nest and can disturb fluid, so that the fluid is forced to form turbulence when passing through, and the heat transfer efficiency can be improved by 8-12%; in addition, the device is provided with a set of liquid rotational flow dispersing device at the inlet of the cooler, so that cooling water changes the flow direction and enters the shell pass from the porous without directly impacting the tube array, and the problem of tube array damage is thoroughly solved through the simple structure.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of FIG. 1 along the direction A;
FIG. 3 is a schematic view of a tube array shape;
in the attached drawing, the heat exchanger comprises a heat exchanger shell 1, a heat exchange cavity 11, a heat exchange cavity 12, a water return port 2, a tube array 21, a spiral bulge 3, an upper heat exchanger tube plate 4, a lower heat exchanger tube plate 5, an extension tube 51, a cooling water inlet 6, a dispersing ring 61, a dispersing cavity 62 and a water distribution hole.
Detailed Description
Referring to fig. 1 and 2 as shown, the utility model discloses a nonmetal corrosion-resistant reinforcing heat exchanger, it includes heat exchanger shell 1 that a cylindric structure set up, heat exchanger shell 1 vertical setting during, its both ends are provided with heat exchanger tube sheet 3 and heat exchanger tube sheet 4 down respectively, be provided with a plurality of tubulations 2 in the heat transfer chamber 11 of heat exchanger shell 1 inside, many tubulations parallel arrangement in heat transfer chamber 11 of heat exchanger shell inside to the heat exchanger tube sheet design is run through at all tubulations 2 both ends, the outer wall of tubulations 2 on be provided with heliciform arch 21, as shown in fig. 3, because of tubulations 2 adopt graphite modified polypropylene material to make, the heliciform arch 21 on its surface also adopts the cylinder type hot melt electrode of graphite modified polypropylene material, both materials are the same, it fixes heliciform arch 21 on tubulations 5 outer walls through hot melt welded mode. Further, the utility model discloses when designing spiral shape arch 21, its pitch is the same with 2 diameters of tubulation, and for improving heat exchange efficiency, the height of spiral shape arch 21 on 2 outer walls of tubulation is 2-4 millimeters. Through the structural arrangement, the spiral protrusions are additionally arranged on the outer surfaces of all the heat exchange tubes 2 and can disturb the fluid, so that the fluid is forced to form turbulence when passing through, and the heat transfer efficiency can be improved by 8-12% through actual verification.
The heat exchanger comprises a heat exchanger shell 1 and is characterized in that a water return port 12 is formed in the outer wall of one end of the heat exchanger shell 1, a circle of dispersing ring 6 is arranged on the outer wall of the other end of the heat exchanger shell in a surrounding mode, a dispersing cavity 61 is formed in the dispersing ring 6, a plurality of water distribution holes 62 are formed in the outer wall of the heat exchanger shell 1 and communicated with a heat exchange cavity 11 in the heat exchanger shell 1, and a cooling water inlet 51 is formed in the outer connection of the dispersing ring 6. The tube nest is made of graphite modified polypropylene materials, and the graphite modified polypropylene materials can effectively exert the corrosion resistance of the outer wall of the tube nest.
The cooling water inlet 51 is arranged on the extension pipe 5, where the extension pipe 5 is arranged tangentially to the outer wall of the dispersion ring 6. Through the structural arrangement, a plurality of water distribution holes 62 are formed in the dispersing ring 6 and communicated with the inside of the heat exchanger shell 1, and a cooling water inlet 51 is tangentially connected to the outside of the dispersing ring; the dispersing ring is used as a liquid rotational flow dispersing device, so that the cooling water changes the flow direction and is cut into the shell pass from the porous structure without directly impacting the tubes 2, and the problem of tube damage is thoroughly solved through the simple structure.
Claims (6)
1. The utility model provides a nonmetal corrosion-resistant reinforcing heat exchanger, its includes a heat exchanger shell, its characterized in that: heat exchanger tube plates are arranged at two ends of the heat exchanger shell, a plurality of tube arrays are arranged in a heat exchange cavity in the heat exchanger shell, and two ends of each tube array penetrate through the design of the heat exchanger tube plates; the outer wall of the tube nest is provided with a spiral bulge; the heat exchanger is characterized in that a water return port is formed in the outer wall of one end of the heat exchanger shell, a circle of dispersing ring is arranged on the outer wall of the other end of the heat exchanger shell in a surrounding mode, a plurality of water distribution holes are formed in the dispersing ring and communicated with the inside of the heat exchanger shell, and a cooling water inlet is formed in the outer connection of the dispersing ring.
2. The non-metallic corrosion resistant enhanced heat exchanger of claim 1, wherein: the tube is made of graphite modified polypropylene, and the spiral protrusion on the surface of the tube is a graphite modified polypropylene cylindrical hot-melt welding rod which is welded on the outer wall of the tube through hot melting.
3. The non-metallic corrosion resistant enhanced heat exchanger of claim 1, wherein: the pitch of the spiral bulge is the same as the diameter of the tube array.
4. The non-metallic corrosion resistant enhanced heat exchanger of claim 1, wherein: the height of the spiral bulge on the outer wall of the tube array is 2-4 mm.
5. The non-metallic corrosion resistant enhanced heat exchanger of claim 1, wherein: the cooling water inlet is provided with an extension pipe, and the extension pipe is arranged tangential to the outer wall of the dispersion ring.
6. The non-metallic corrosion resistant enhanced heat exchanger of claim 1, wherein: the plurality of tube arrays are arranged in parallel inside the heat exchanger shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221052927.6U CN218002258U (en) | 2022-05-05 | 2022-05-05 | Non-metal corrosion-resistant reinforced heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221052927.6U CN218002258U (en) | 2022-05-05 | 2022-05-05 | Non-metal corrosion-resistant reinforced heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218002258U true CN218002258U (en) | 2022-12-09 |
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ID=84293112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221052927.6U Active CN218002258U (en) | 2022-05-05 | 2022-05-05 | Non-metal corrosion-resistant reinforced heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218002258U (en) |
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2022
- 2022-05-05 CN CN202221052927.6U patent/CN218002258U/en active Active
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