CN212006840U - Heat exchanger with two heat exchange media - Google Patents
Heat exchanger with two heat exchange media Download PDFInfo
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- CN212006840U CN212006840U CN202020697994.8U CN202020697994U CN212006840U CN 212006840 U CN212006840 U CN 212006840U CN 202020697994 U CN202020697994 U CN 202020697994U CN 212006840 U CN212006840 U CN 212006840U
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Abstract
The utility model belongs to the technical field of heat exchangers for chemical industry, and relates to a heat exchanger with two heat exchange media, which comprises a first heat exchange mechanism and a second heat exchange mechanism, wherein the first heat exchange mechanism comprises a first shell and a first heat exchange tube, the head end of the first shell is provided with a top end socket, the top end socket is communicated with a material inlet tube, two ends of the first shell are respectively provided with a circulating water inlet tube and a circulating water outlet tube, and the circulating water inlet tube and the circulating water outlet tube are communicated with the first heat exchange tube; the second heat exchange mechanism comprises a second shell and a second heat exchange tube, a tail end of the second shell is provided with a tail end socket, the tail end socket is communicated with the material outlet tube, the second two ends are respectively communicated with the low-temperature saline water inlet tube and the low-temperature saline water outlet tube, and the low-temperature saline water inlet tube and the low-temperature saline water outlet tube are communicated with the second heat exchange tube; the tail end of the first shell is communicated with the head of the second shell through the communicating shell. The utility model discloses under the prerequisite that can satisfy the heat transfer effect, reduce the energy consumption as far as to small, save space.
Description
Technical Field
The utility model relates to a heat exchanger of two kinds of heat transfer medium belongs to heat exchanger technical field for the chemical industry.
Background
The heat exchangers are common heat exchange equipment in chemical engineering units, and sometimes two heat exchangers are adopted for continuous heat exchange to ensure the heat exchange effect, so that the occupied space is large; and sometimes the low-temperature brine is used as a heat exchange medium for better heat exchange effect, but the low-temperature brine needs to consume higher energy after the heat exchange temperature is increased so as to be cooled again and be used as the heat exchange medium again.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the heat exchanger with two heat exchange media is provided, the energy consumption of the heat exchanger with the two heat exchange media is reduced as far as possible on the premise that the heat exchange effect can be met, and the heat exchanger is small in size and saves space.
The heat exchanger for two heat exchange media comprises a first heat exchange mechanism and a second heat exchange mechanism, wherein the first heat exchange mechanism comprises a first shell and a first heat exchange tube, a top end socket is arranged at the head end of the first shell, the top end socket is communicated with a material inlet tube, the first heat exchange tube is arranged in the first shell, one end of the first heat exchange tube is communicated with a circulating water inlet tube arranged at the tail part of the first shell, and the other end of the first heat exchange tube is communicated with a circulating water outlet tube arranged at the head part of the first shell; the second heat exchange mechanism comprises a second shell and a second heat exchange tube, the tail end of the second shell is provided with a tail end socket, the tail end socket is communicated with the material outlet tube, the second heat exchange tube is arranged in the second shell, one end of the second heat exchange tube is communicated with a low-temperature saline inlet tube arranged at the tail part of the second shell, and the other end of the second heat exchange tube is communicated with a low-temperature saline outlet tube arranged at the head part of the second shell; the tail end of the first shell is communicated with the head of the second shell through the communicating shell.
The shell passes of the first heat exchange mechanism and the second heat exchange mechanism are communicated through a communicated shell, a heat exchange medium used in the first heat exchange tube is normal-temperature circulating water, and a heat exchange medium used in the second heat exchange tube is low-temperature brine. The material gets into the shell side of first heat transfer mechanism by material import pipe in, through with the normal atmospheric temperature circulating water cooling in the first heat exchange tube then flow to in the second heat transfer mechanism, then carry out heat exchange once more with the low temperature salt solution in the second heat exchange tube in the second casing, the material finally becomes the liquid by the gaseous state and discharges through the material outlet pipe. After the heat exchange temperature of the normal-temperature circulating water is increased, the normal-temperature circulating water is directly placed in a normal-temperature environment to be cooled for reuse, and no redundant energy consumption is caused; the gas or liquid temperature of the low-temperature brine is not particularly high, so that the temperature loss of the low-temperature brine is reduced, the energy-saving purpose is achieved, and the heat exchanger exchanges heat twice in sequence, but belongs to one device, is small in size and saves space.
Preferably, the outlet end of the material outlet pipe is communicated with one connector of the three-way pipe, and the other two connectors of the three-way pipe are respectively communicated with the exhaust pipe and the material collecting pipe; the inlet end of the exhaust pipe is provided with an exhaust valve, and the outlet end of the exhaust pipe is provided with a filter bag. Although the gas material is subjected to heat exchange twice, all gas cannot be guaranteed to be converted into liquid, so that a small amount of gas still remains in the second shell and needs to be evacuated at intervals, however, the gas in the chemical industry often pollutes the environment, and the discharged gas needs to be adsorbed by the filter bag to absorb harmful substances; when exhausting, the exhaust valve is opened, the gas flows to the filter bag through the exhaust pipe, and is exhausted to the atmosphere after being adsorbed by the filter bag.
Preferably, the filter bag is an activated carbon bag, and the activated carbon adsorption effect is good.
Preferably, the first shell and the second shell are internally provided with baffle plates, the first heat exchange tube and the second heat exchange tube respectively penetrate through the corresponding baffle plates, materials in the first shell and the second shell can be subjected to sufficient heat exchange through the baffle plates, and the heat exchange effect is ideal.
Compared with the prior art, the utility model beneficial effect who has is:
the utility model has the advantages of reasonable design, gaseous material at first through the normal atmospheric temperature cooling of circulating water, then with the heat transfer of low temperature salt solution, reduce the temperature loss of low temperature salt solution, reach energy-conserving purpose to this heat exchanger is along with successively through twice heat transfer, but belongs to an equipment, and is small, saves space.
Drawings
FIG. 1 is a schematic diagram of a heat exchanger structure of two heat exchange media;
fig. 2 is a schematic diagram of the internal structure of the heat exchanger with two heat exchange media.
In the figure: 1. a material inlet pipe; 2. a first housing; 3. a circulating water inlet pipe; 4. a communicating shell; 5. a second housing; 6. a low temperature brine inlet pipe; 7. filtering the packet; 8. an exhaust valve; 9. a material collecting pipe; 10. a material outlet pipe; 11. end sealing; 12. a low temperature brine outlet pipe; 13. a circulating water outlet pipe; 14. sealing the top end; 15. a first heat exchange tube; 16. a second heat exchange tube; 17. a baffle plate; 18. a three-way pipe; 19. and (4) exhausting the gas.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
as shown in fig. 1 and fig. 2, the heat exchanger for two heat exchange media of the present invention comprises a first heat exchange mechanism and a second heat exchange mechanism, the first heat exchange mechanism comprises a first shell 2 and a first heat exchange tube 15, a top end socket 14 is arranged at the head end of the first shell 2, the top end socket 14 is communicated with a material inlet tube 1, the first heat exchange tube 15 is arranged inside the first shell 2, one end of the first heat exchange tube 15 is communicated with a circulating water inlet tube 3 arranged at the tail of the first shell 2, and the other end of the first heat exchange tube 15 is communicated with a circulating water outlet tube 13 arranged at the head of the first shell 2; the second heat exchange mechanism comprises a second shell 5 and a second heat exchange tube 16, the tail end of the second shell 5 is provided with a tail end socket 11, the tail end socket 11 is communicated with the material outlet tube 10, the second heat exchange tube 16 is arranged in the second shell 5, one end of the second heat exchange tube 16 is communicated with a low-temperature saline inlet tube 6 arranged at the tail of the second shell 5, and the other end of the second heat exchange tube 16 is communicated with a low-temperature saline outlet tube 12 arranged at the head of the second shell 5; the tail end of the first shell 2 is communicated with the head of the second shell 5 through a communicating shell 4.
In this embodiment:
the outlet end of the material outlet pipe 10 is communicated with one interface of the three-way pipe 18, and the other two interfaces of the three-way pipe 18 are respectively communicated with the exhaust pipe 19 and the material collecting pipe 9; an exhaust valve 8 is arranged at the inlet end of the exhaust pipe 19, and a filter bag 7 is arranged at the outlet end of the exhaust pipe 19. Although the gas material is subjected to heat exchange twice, all gas cannot be guaranteed to be converted into liquid, so that a small amount of gas still remains in the second shell 5 and needs to be evacuated at intervals, however, the gas in the chemical industry often pollutes the environment, and the discharged gas needs to be adsorbed by the filter bag 7 to absorb harmful substances; when exhausting, the exhaust valve 8 is opened, the gas flows to the filter bag 7 through the exhaust pipe 19, and is exhausted to the atmosphere after being adsorbed by the filter bag 7.
The filter bag 7 is an active carbon bag, and the active carbon has good adsorption effect.
The first shell 2 and the second shell 5 are internally provided with baffle plates 17, the first heat exchange tubes 15 and the second heat exchange tubes 16 respectively penetrate through the corresponding baffle plates 17, the baffle plates 17 are arranged to enable materials in the first shell 2 and the second shell 5 to be capable of fully exchanging heat, and the heat exchange effect is ideal.
The shell passes of the first heat exchange mechanism and the second heat exchange mechanism are communicated through the communicating shell 4, the heat exchange medium used in the first heat exchange tube 15 is normal-temperature circulating water, and the heat exchange medium in the second heat exchange tube 16 is low-temperature saline water. The material enters the shell side of the first heat exchange mechanism through the material inlet pipe 1, is cooled by normal temperature circulating water in the first heat exchange pipe 15 and then flows into the second heat exchange mechanism, then is subjected to heat exchange with low temperature brine in the second heat exchange pipe 16 again in the second shell 5, and finally is changed from a gas state to a liquid state and is discharged through the material outlet pipe 10. After the heat exchange temperature of the normal-temperature circulating water is increased, the normal-temperature circulating water is directly placed in a normal-temperature environment to be cooled for reuse, and no redundant energy consumption is caused; the gas or liquid temperature of the low-temperature brine is not particularly high, so that the temperature loss of the low-temperature brine is reduced, the energy-saving purpose is achieved, and the heat exchanger exchanges heat twice in sequence, but belongs to one device, is small in size and saves space.
Claims (4)
1. A heat exchanger of two kinds of heat exchange media is characterized in that: the heat exchanger comprises a first heat exchange mechanism and a second heat exchange mechanism, wherein the first heat exchange mechanism comprises a first shell (2) and a first heat exchange tube (15), a top end socket (14) is arranged at the head end of the first shell (2), the top end socket (14) is communicated with a material inlet tube (1), the first heat exchange tube (15) is arranged inside the first shell (2), one end of the first heat exchange tube (15) is communicated with a circulating water inlet tube (3) arranged at the tail part of the first shell (2), and the other end of the first heat exchange tube (15) is communicated with a circulating water outlet tube (13) arranged at the head part of the first shell (2); the second heat exchange mechanism comprises a second shell (5) and a second heat exchange tube (16), a tail end of the second shell (5) is provided with a tail end socket (11), the tail end socket (11) is communicated with the material outlet tube (10), the second heat exchange tube (16) is arranged in the second shell (5), one end of the second heat exchange tube (16) is communicated with a low-temperature saline inlet tube (6) arranged at the tail part of the second shell (5), and the other end of the second heat exchange tube (16) is communicated with a low-temperature saline outlet tube (12) arranged at the head part of the second shell (5); the tail end of the first shell (2) is communicated with the head of the second shell (5) through a communicating shell (4).
2. The heat exchanger for two heat exchange media according to claim 1, wherein: the outlet end of the material outlet pipe (10) is communicated with one interface of the three-way pipe (18), and the other two interfaces of the three-way pipe (18) are respectively communicated with the exhaust pipe (19) and the material collecting pipe (9); an exhaust valve (8) is arranged at the inlet end of the exhaust pipe (19), and a filter bag (7) is arranged at the outlet end of the exhaust pipe (19).
3. The heat exchanger for two heat exchange media according to claim 2, wherein: the filter bag (7) is an active carbon bag.
4. The heat exchanger for two heat exchange media according to claim 1 or 2, wherein: the first shell (2) and the second shell (5) are internally provided with baffle plates (17), and the first heat exchange tube (15) and the second heat exchange tube (16) respectively penetrate through the corresponding baffle plates (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020697994.8U CN212006840U (en) | 2020-04-29 | 2020-04-29 | Heat exchanger with two heat exchange media |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020697994.8U CN212006840U (en) | 2020-04-29 | 2020-04-29 | Heat exchanger with two heat exchange media |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212006840U true CN212006840U (en) | 2020-11-24 |
Family
ID=73409505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020697994.8U Active CN212006840U (en) | 2020-04-29 | 2020-04-29 | Heat exchanger with two heat exchange media |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212006840U (en) |
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2020
- 2020-04-29 CN CN202020697994.8U patent/CN212006840U/en active Active
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