CN219433890U - Instant noodle production steam ager waste heat recovery unit - Google Patents
Instant noodle production steam ager waste heat recovery unit Download PDFInfo
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- CN219433890U CN219433890U CN202320884975.XU CN202320884975U CN219433890U CN 219433890 U CN219433890 U CN 219433890U CN 202320884975 U CN202320884975 U CN 202320884975U CN 219433890 U CN219433890 U CN 219433890U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
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Abstract
The utility model discloses a waste heat recovery unit of a steam box for instant noodle production, which comprises a heat exchanger, a circulating water pump, a flash tank, a liquid-liquid ejector, a steam-steam ejector, wherein the top of the flash tank is provided with a high-temperature condensed water supplementing pipe and a secondary steam outlet pipe, and the bottom of the flash tank is provided with a liquid discharge pipe; the liquid discharge pipe is communicated with the heat exchanger through the liquid-liquid ejector, waste steam exchanges heat with outlet fluid of the liquid-liquid ejector through the heat exchanger, and high-temperature fluid after heat exchange enters the flash tank through the return pipeline; a return line is arranged on a communicating pipe between the liquid-liquid ejector and the heat exchanger, the return line is communicated with the inlet end of the circulating water pump, and the outlet end of the circulating water pump is communicated with the liquid-liquid ejector through a pipeline; the secondary steam outlet pipe and the external high-pressure steam pipe are both communicated with the steam-steam ejector, the secondary steam of the flash tank and the external high-pressure steam are mixed through the steam-steam ejector, and the outlet mixed fluid of the steam-steam ejector is communicated with the instant noodle steam box through the steam box cylinder.
Description
Technical Field
The utility model belongs to the technical field of auxiliary supporting equipment for instant noodle processing, and particularly relates to a waste heat recovery unit of an instant noodle production steam box.
Background
At present, the instant noodles are steamed in a tunnel type steam box continuously processed by a conveyor belt, and steam in the steam box is evenly sprayed by a plurality of spray pipes, so that the temperature of one end of an inlet of the steam box reaches 90-95 ℃, and the temperature of one end of an outlet of the steam box reaches 100-105 ℃. When the raw noodles enter the steaming tank, the temperature is slightly reduced due to the absorption of a part of heat, and the temperature of waste steam discharged from the steaming tank through the chimney is maintained above 95 ℃. The waste steam is directly discharged into the atmosphere without any treatment, so that the heat is not reasonably utilized, and meanwhile, certain heat pollution is caused to the surrounding environment.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a waste heat recovery unit of a steam box for instant noodle production.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the waste heat recovery unit of the instant noodle production steam box comprises a heat exchanger, a circulating water pump, a flash tank, a liquid-liquid ejector and a steam-steam ejector, wherein a high-temperature condensate water supplementing pipe and a secondary steam outlet pipe are arranged at the top of the flash tank, and a liquid discharge pipe is arranged at the bottom of the flash tank; the liquid discharge pipe is communicated with the heat exchanger through the liquid-liquid ejector, waste steam discharged by the instant noodle steaming box exchanges heat with outlet fluid of the liquid-liquid ejector through the heat exchanger, and high-temperature fluid after heat exchange enters the steaming box through the return pipeline; a return line is arranged on a communicating pipe between the liquid-liquid ejector and the heat exchanger, the return line is communicated with the inlet end of a circulating water pump, and the outlet end of the circulating water pump is communicated with the liquid-liquid ejector through a pipeline; the secondary steam outlet pipe and the external high-pressure steam pipe are communicated with the steam-steam ejector, the secondary steam of the flash tank and the external high-pressure steam are mixed through the steam-steam ejector, and the outlet mixed fluid of the steam-steam ejector is communicated with the instant noodle steam box through the steam box cylinder.
Further, the liquid discharge pipe is communicated with a suction chamber of the liquid-liquid ejector; and the outlet end of the circulating water pump is communicated with the nozzle of the liquid-liquid ejector through a pipeline.
Further, the secondary steam outlet pipe is communicated with a suction chamber of the steam-steam ejector, and the high-pressure steam pipe is communicated with a nozzle of the steam-steam ejector.
Further, the high-pressure steam pipe and the high-temperature condensed water supplementing pipe are respectively provided with an electric regulating valve.
The utility model has the beneficial effects that: 1. the waste steam waste heat discharged by the steam box is transferred through a heat exchanger in the unit, the transferred heat enters the flash tank along with fluid to circularly heat high-temperature condensed water (the condensed water is generated and collected by other related production processes), a secondary steam outlet pipe of the flash tank is connected with a steam-steam ejector, and meanwhile, external high-pressure steam is used as working fluid to eject secondary steam generated by flash evaporation of the high-temperature condensed water in the flash tank, and low-pressure steam is formed at an outlet of the steam-steam ejector and is reused in process steam of the steam box; the utility model improves the energy utilization efficiency of the system to a certain extent through the use of the heat exchanger and the steam-steam ejector. 2. In the utility model, a small amount of high-pressure water at the outlet of the circulating water pump is used as working fluid, high-temperature hot water with relatively low pressure is ejected and mixed in the mixing chamber of the liquid-liquid ejector in an interaction way to form a mixed fluid with moderate pressure, and an additional pressure head is added to the suction inlet of the circulating water pump through the principle of ejection pressurization, so that the pressure of the suction inlet of the circulating water pump exceeds the necessary cavitation allowance of the water pump in operation, and the cavitation problem when the circulating water pump conveys the high-temperature water is thoroughly solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
reference numerals: 1. a steam-steam ejector; 2. an electric control valve; 3. a flash tank; 4. a liquid-liquid ejector; 5. a circulating water pump; 6. a heat exchanger; 7. a secondary steam outlet pipe; 8. a high-temperature condensed water supplementing pipe; 9. a liquid discharge pipe; 10. a return line; 11. a return line; 12. a high pressure steam pipe; 13. the steam box is divided into cylinders.
Detailed Description
The technical solution of the present utility model will be further described with reference to fig. 1 and the examples, so that those skilled in the art can more clearly understand the content of the technical solution.
The embodiment provides a waste heat recovery unit of a steam box for instant noodle production, which comprises a heat exchanger 6, a circulating water pump 5, a flash tank 3, a liquid-liquid ejector 4 and a steam-steam ejector 1. In this embodiment, the structures of the liquid-liquid ejector 4, the vapor-vapor ejector 1, and the flash tank 3 are not modified, and thus the internal structures thereof are not detailed here.
The top of the flash tank 3 is provided with a high-temperature condensed water supplementing pipe 8 and a secondary steam outlet pipe 7, and the bottom of the flash tank is provided with a liquid discharge pipe 9; the high temperature condensate water in this embodiment is produced and collected from other related production processes. The liquid discharge pipe 9 is communicated with a suction chamber of the liquid-liquid ejector 4, and an outlet of the liquid-liquid ejector 4 is communicated with the heat exchanger 6 and exchanges heat with waste heat discharged by the instant noodle steam box through the heat exchanger; the heat exchanger can adopt a steam-water heat exchanger in the prior art and the like to realize heat exchange. A return line 10 is arranged on a communicating pipe between the liquid-liquid ejector 4 and the heat exchanger 6, the return line 10 is communicated with the inlet end of the circulating water pump 5, and the outlet end of the circulating water pump 5 is communicated with the nozzle of the liquid-liquid ejector 4 through a pipeline.
The secondary steam outlet pipe 7 is communicated with the suction chamber of the steam-steam ejector 1, and the high-pressure steam pipe 12 is communicated with the nozzle of the steam-steam ejector 1. The secondary steam of the flash tank and external high-pressure steam are mixed through the steam-steam ejector 1, and the outlet mixed fluid of the steam-steam ejector 1 is communicated with the instant noodle steam box through the steam box separating cylinder 13. And the high-pressure steam pipe 12 and the high-temperature condensate water supplementing pipe 8 are respectively provided with an electric regulating valve 2.
In the utility model, a small amount of high-pressure water at the outlet of the circulating water pump is used as working fluid, relatively low-pressure high-temperature hot water is ejected and mixed in the mixing chamber of the liquid-liquid ejector in an interaction way to form a mixed fluid with moderate pressure, and the mixed fluid with moderate pressure exchanges heat with waste steam through the heat exchanger, so that heat in the waste steam is transferred and then enters the flash tank 3 through the return pipeline 11, the fluid absorbs the heat of the waste steam of the flash tank, and then the heat is continuously supplemented to the high-temperature condensed water in the flash tank, thereby realizing the recycling of the heat. Meanwhile, in the embodiment, an additional pressure head is added to the suction inlet of the circulating water pump through the principle of injection pressurization, so that the pressure of the suction inlet of the circulating water pump exceeds the necessary cavitation allowance of the water pump in operation, and the cavitation problem when the circulating water pump conveys high-temperature water is thoroughly solved.
The high-temperature condensed water in the flash tank is circularly heated, a secondary steam outlet pipe of the flash tank is connected with a steam-steam ejector, external high-pressure steam is used as working fluid, secondary steam generated by flash evaporation of the high-temperature condensed water in the flash tank is ejected, low-pressure steam is formed at an outlet of the steam-steam ejector, and the low-pressure steam is reused in process steam of the steam tank; the utility model improves the energy utilization efficiency to a certain extent by using the heat exchanger and the steam-steam ejector, and solves the problem of low heat utilization rate in the prior art.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (4)
1. The utility model provides an instant noodle production steam ager waste heat recovery unit, includes heat exchanger (6), circulating water pump (5), flash tank (3), liquid-liquid ejector (4) to and vapour-vapour ejector (1), its characterized in that: the top of the flash tank (3) is provided with a high-temperature condensed water supplementing pipe (8) and a secondary steam outlet pipe (7), and the bottom of the flash tank is provided with a liquid discharge pipe (9); the liquid discharge pipe (9) is communicated with the heat exchanger (6) through the liquid-liquid ejector (4), waste steam discharged by the instant noodle steaming box exchanges heat between the heat exchanger (6) and outlet fluid of the liquid-liquid ejector (4), and high-temperature fluid after heat exchange enters the flash tank (3) through the return pipeline (11); a return line (10) is arranged on a communicating pipe between the liquid-liquid ejector (4) and the heat exchanger (6), the return line (10) is communicated with the inlet end of the circulating water pump (5), and the outlet end of the circulating water pump (5) is communicated with the liquid-liquid ejector (4) through a pipeline; the secondary steam outlet pipe (7) and the external high-pressure steam pipe (12) are both communicated with the steam-steam ejector (1), secondary steam of the flash tank (3) and external high-pressure steam are mixed through the steam-steam ejector (1), and outlet mixed fluid of the steam-steam ejector (1) is communicated with the instant noodle steam box through the steam box separating cylinder (13).
2. The instant noodle production steam box waste heat recovery unit as claimed in claim 1, wherein: the liquid discharge pipe (9) is communicated with a suction chamber of the liquid-liquid ejector (4); the outlet end of the circulating water pump (5) is communicated with the nozzle of the liquid-liquid ejector (4) through a pipeline.
3. The instant noodle production steam box waste heat recovery unit as claimed in claim 1, wherein: the secondary steam outlet pipe (7) is communicated with the suction chamber of the steam-steam ejector (1), and the high-pressure steam pipe (12) is communicated with the nozzle of the steam-steam ejector (1).
4. The instant noodle production steam box waste heat recovery unit as claimed in claim 1, wherein: the high-pressure steam pipe (12) and the high-temperature condensed water supplementing pipe (8) are respectively provided with an electric regulating valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320884975.XU CN219433890U (en) | 2023-04-19 | 2023-04-19 | Instant noodle production steam ager waste heat recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320884975.XU CN219433890U (en) | 2023-04-19 | 2023-04-19 | Instant noodle production steam ager waste heat recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219433890U true CN219433890U (en) | 2023-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320884975.XU Active CN219433890U (en) | 2023-04-19 | 2023-04-19 | Instant noodle production steam ager waste heat recovery unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219433890U (en) |
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2023
- 2023-04-19 CN CN202320884975.XU patent/CN219433890U/en active Active
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