CN110966884A - Low-temperature waste heat recycling heat exchanger - Google Patents
Low-temperature waste heat recycling heat exchanger Download PDFInfo
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- CN110966884A CN110966884A CN202010048507.XA CN202010048507A CN110966884A CN 110966884 A CN110966884 A CN 110966884A CN 202010048507 A CN202010048507 A CN 202010048507A CN 110966884 A CN110966884 A CN 110966884A
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- heat exchanger
- heat transfer
- temperature waste
- low temperature
- heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Low temperature waste heat recovery utilizes heat exchanger, including the heat exchanger body, its characterized in that: the heat exchanger body includes barrel, heat transfer section and barrel down, the heat transfer section is formed by at least two sets of heat exchange plate subassembly from top to bottom concatenation, the heat exchange plate subassembly includes the tube sheet at both ends and sets up a plurality of quantity between the tube sheet and the metal sheet of arranging in proper order. This low temperature waste heat recovery utilizes heat exchanger is through optimizing heat transfer board subassembly structure, and horizontal macromolecular material and vertical macromolecular material are filled as separating the backing plate in turn between two adjacent metal sheets, and whole heat transfer effect is showing, and the hot-air of utilizing this equipment heat transfer back recovery is used for nanometer calcium carbonate's predrying, wholly can practice thrift the energy consumption more than 20%, and economic benefits is showing.
Description
Technical Field
The invention relates to the technical field of heat exchanger equipment, in particular to a low-temperature waste heat recycling heat exchanger.
Background
At present, a drying process is adopted in the production process of a plurality of inorganic powders (such as nano calcium carbonate, light calcium carbonate and the like), the drying process adopts normal-pressure drying, the discharged gas is high-humidity hot gas (the humidity is more than 70 ℃, and the temperature is 80-95 ℃), and has certain latent heat.
Disclosure of Invention
In order to solve the problems, the invention provides a low-temperature waste heat recycling heat exchanger.
In order to achieve the purpose, the invention adopts the technical scheme that:
low temperature waste heat recovery utilizes heat exchanger, including the heat exchanger body, its characterized in that: the heat exchanger body includes barrel, heat transfer section and barrel down, the heat transfer section is formed by at least two sets of heat exchange plate subassembly from top to bottom concatenation, the heat transfer plate subassembly includes the tube sheet at both ends and sets up a plurality of quantity between the tube sheet and the metal sheet of arranging in proper order, adjacent two pack horizontal macromolecular material and vertical macromolecular material in turn between the metal sheet.
Preferably, the heat transfer section comprises three heat transfer board subassemblies welded connection of group, and the top heat transfer board subassembly one side is wrapped up by reducer, reducer other end welded connection steam outlet, the top heat transfer board subassembly opposite side and middle heat transfer board subassembly one side is wrapped up by first pipeline, and is middle heat transfer board subassembly opposite side and the bottom heat transfer board subassembly one side is wrapped up by the second pipeline.
Preferably, 4 symmetrical mounting holes are formed in the tube plate, bolts are arranged on the mounting holes, penetrate through all the metal plates and then extend to the tube plate at the other end, and the bolts are fixed through nuts.
Preferably, the top of the upper cylinder body is provided with an air inlet, and one side of the upper cylinder body is provided with an inspection hole.
Preferably, one side of the lower cylinder body is provided with an air outlet, and the tail end of the other side of the lower cylinder body is provided with a water outlet.
Preferably, the upper cylinder, the heat exchange section and the lower cylinder are all connected through flanges.
Preferably, the transverse polymer material and the longitudinal polymer material are both strip-shaped, the transverse polymer material is tightly attached to the upper end and the lower end of each two adjacent metal plates, and the longitudinal polymer material is tightly attached to the left end and the right end of each two adjacent metal plates.
Preferably, the metal plate is an aluminum plate.
Preferably, the transverse polymer material and the longitudinal polymer material are both engineering materials.
The invention has the following beneficial effects:
this low temperature waste heat recovery utilizes heat exchanger is through optimizing heat transfer board subassembly structure, and horizontal macromolecular material and vertical macromolecular material are filled as separating the backing plate in turn between two adjacent metal sheets, and whole heat transfer effect is showing, and the hot-air of utilizing this equipment heat transfer back recovery is used for nanometer calcium carbonate's predrying, wholly can practice thrift the energy consumption more than 20%, and economic benefits is showing.
Drawings
Fig. 1 is a schematic structural diagram of a low-temperature waste heat recovery heat exchanger according to the present invention.
Fig. 2 is a schematic diagram of a heat exchange plate assembly of the low-temperature waste heat recovery heat exchanger according to the present invention.
Fig. 3 is a schematic diagram of a structure of a transverse polymer material and a metal plate of the low-temperature waste heat recovery heat exchanger according to the present invention.
Fig. 4 is a schematic diagram of a structure of a longitudinal polymer material and a metal plate of the low-temperature waste heat recovery heat exchanger according to the present invention.
Fig. 5 is a top view of a tube plate of the low-temperature waste heat recovery heat exchanger according to the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 5, the low-temperature waste heat recovery heat exchanger provided in the embodiment of the present invention includes a heat exchanger body, the heat exchanger body includes an upper cylinder 1, a heat exchange section and a lower cylinder 3, the heat exchange section is formed by splicing at least two sets of heat exchange plate assemblies 2 from top to bottom, each heat exchange plate assembly 2 includes tube plates 27 at two ends and a plurality of metal plates 26 arranged between the tube plates 27 and arranged in sequence, and transverse polymer materials 25 and longitudinal polymer materials 24 are sequentially and alternately filled between two adjacent metal plates 26.
Further, the heat transfer section comprises three heat transfer board subassemblies 2 welded connection of group, and 2 one side of the heat transfer board subassembly of the top is wrapped up by reducer 22, and reducer 22 other end welded connection steam outlet 221, and 2 opposite sides of the heat transfer board subassembly of the top and 2 one side of middle heat transfer board subassembly are wrapped up by first pipeline 21, and the opposite side of middle heat transfer board subassembly 2 and 2 one side of the heat transfer board subassembly of the bottom are wrapped up by second pipeline 23.
Furthermore, 4 symmetrical mounting holes 271 are formed in the tube plate 27, bolts 28 are arranged on the mounting holes 271, and the bolts 28 penetrate through all the metal plates 26, extend to the tube plate 27 at the other end, and are fixed through nuts 29.
Further, the top of the upper cylinder 1 is provided with an air inlet 11, and one side of the upper cylinder is provided with an inspection hole 12.
Further, one side of the lower cylinder 3 is provided with an air outlet 31, and the other end of the lower cylinder is provided with a water outlet 32.
Furthermore, the upper cylinder body 1, the heat exchange section and the lower cylinder body 3 are connected through flanges.
Further, the transverse polymer material 25 and the longitudinal polymer material 24 are both strip-shaped, the transverse polymer material 25 is tightly attached to the upper end and the lower end of the two adjacent metal plates 25, and the longitudinal polymer material 24 is tightly attached to the left end and the right end of the two adjacent metal plates 25.
Further, the metal plate 26 is an aluminum plate.
Further, the transverse polymer material 25 and the longitudinal polymer material 24 are both engineering materials.
The working principle of the device of the invention is as follows:
when in use, the residual heat gas with moisture (the humidity is more than 70 ℃, the temperature is 80-95 ℃) enters from the air inlet 11 at the top, passes through the heat exchange section and the lower cylinder 3 and is discharged from the air outlet 31, the metal plates 26 are aluminum plates as heat transfer media, the heat exchange plate assembly 2 has the advantages of good heat conduction effect, corrosion resistance, light weight, low price and the like, the structure of the heat exchange plate assembly is optimized, the transverse polymer material 25 and the longitudinal polymer material 24 are sequentially and alternately filled between the two adjacent metal plates 26 as separating base plates, preferably, the transverse polymer material 25 and the longitudinal polymer material 24 are both engineering materials, the whole heat exchange effect is obvious, the whole heat exchanger body is of a vertical structure, the residual heat gas with moisture flows from top to bottom, the condensed water is discharged from the water outlet 32, and the condensed water automatically washes away the residual objects such as dust and the like which are attached to the metal plates 26 in a, the surface of the metal plate 26 is kept clean, the metal plate can be used for a long time and has a good heat exchange effect, cold air flows from bottom to top, enters from the heat exchange plate assembly 2 exposed at the outer side at the lowest end, and respectively passes through the second pipeline 23, the heat exchange plate assembly 2 in the middle, the first pipeline 21, the heat exchange plate assembly 2 at the uppermost end and then flows out from the reducer 22 and the hot air outlet 221, the temperature of the discharged hot air is higher than 60 degrees, the inspection hole 12 is formed in one side of the upper barrel body 1, the equipment can be inspected through the inspection hole when abnormal equipment is encountered, the hot air recovered after heat exchange of the equipment is used for pre-drying the nano calcium carbonate, the energy consumption can be integrally saved by more than 20%.
In conclusion, the device of the invention has the advantages that by optimizing the structure of the heat exchange plate assembly 2, the transverse polymer material 25 and the longitudinal polymer material 24 are sequentially and alternately filled between the two adjacent metal plates 26 to serve as the separating cushion plate, the overall heat exchange effect is obvious, the hot air recovered after heat exchange by the device is used for pre-drying the nano calcium carbonate, the overall energy consumption can be saved by more than 20%, and the economic benefit is obvious.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (9)
1. Low temperature waste heat recovery utilizes heat exchanger, including the heat exchanger body, its characterized in that: the heat exchanger body includes barrel, heat transfer section and barrel down, the heat transfer section is formed by at least two sets of heat exchange plate subassembly from top to bottom concatenation, the heat transfer plate subassembly includes the tube sheet at both ends and sets up a plurality of quantity between the tube sheet and the metal sheet of arranging in proper order, adjacent two pack horizontal macromolecular material and vertical macromolecular material in turn between the metal sheet.
2. The low temperature waste heat recovery heat exchanger of claim 1, wherein: the heat transfer section comprises three heat transfer board subassemblies welded connection of group, and the top heat transfer board subassembly one side is wrapped up by reducer, reducer other end welded connection steam outlet, the top heat transfer board subassembly opposite side and centre heat transfer board subassembly one side is wrapped up by first pipeline, and is middle heat transfer board subassembly's opposite side and lower extreme heat transfer board subassembly one side is wrapped up by the second pipeline.
3. The low temperature waste heat recovery heat exchanger of claim 1, wherein: the pipe plate is provided with 4 symmetrical mounting holes, bolts are arranged on the mounting holes, penetrate through all the metal plates and then extend to the pipe plate at the other end, and the bolts are fixed through nuts.
4. The low temperature waste heat recovery heat exchanger of claim 1, wherein: the top of the upper barrel is provided with an air inlet, and one side of the upper barrel is provided with an inspection hole.
5. The low temperature waste heat recovery heat exchanger of claim 1, wherein: an air outlet is formed in one side of the lower cylinder, and a water outlet is formed in the tail end of the other side of the lower cylinder.
6. The low temperature waste heat recovery heat exchanger of claim 1, wherein: the upper cylinder body, the heat exchange section and the lower cylinder body are connected through flanges.
7. The low temperature waste heat recovery heat exchanger of claim 1, wherein: the transverse polymer material and the longitudinal polymer material are both strip-shaped, the transverse polymer material is tightly attached to the upper end and the lower end of each two adjacent metal plates, and the longitudinal polymer material is tightly attached to the left end and the right end of each two adjacent metal plates.
8. The low temperature waste heat recovery heat exchanger of claim 1, wherein: the metal plate is an aluminum plate.
9. The low temperature waste heat recovery heat exchanger of claim 1 or 7, wherein: the transverse high polymer material and the longitudinal high polymer material are both engineering materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010048507.XA CN110966884A (en) | 2020-01-16 | 2020-01-16 | Low-temperature waste heat recycling heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010048507.XA CN110966884A (en) | 2020-01-16 | 2020-01-16 | Low-temperature waste heat recycling heat exchanger |
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| Publication Number | Publication Date |
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| CN110966884A true CN110966884A (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010048507.XA Pending CN110966884A (en) | 2020-01-16 | 2020-01-16 | Low-temperature waste heat recycling heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179120A (en) * | 2020-10-09 | 2021-01-05 | 和县宇阳秸秆颗粒有限公司 | Waste heat recovery device of dryer for straw particle production |
-
2020
- 2020-01-16 CN CN202010048507.XA patent/CN110966884A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179120A (en) * | 2020-10-09 | 2021-01-05 | 和县宇阳秸秆颗粒有限公司 | Waste heat recovery device of dryer for straw particle production |
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