CN219433237U - Fried condensate waste heat recovery unit for instant noodle production - Google Patents
Fried condensate waste heat recovery unit for instant noodle production Download PDFInfo
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- CN219433237U CN219433237U CN202320885007.0U CN202320885007U CN219433237U CN 219433237 U CN219433237 U CN 219433237U CN 202320885007 U CN202320885007 U CN 202320885007U CN 219433237 U CN219433237 U CN 219433237U
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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
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- 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 for fried condensate water in instant noodle production, which comprises a circulating water pump, a flash tank, a liquid-liquid ejector and a steam-steam ejector; a high-temperature condensed water supplementing pipe is arranged above the flash tank, and a secondary steam outlet pipe and a liquid discharge pipe are respectively arranged at the top and the bottom of the flash tank; the liquid discharge pipe is communicated with an external boiler room through a liquid-liquid ejector; a return line is further arranged on a communicating pipe at the rear end of the liquid-liquid ejector, 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, and the outlet mixed fluid of the steam-steam ejector is communicated with the instant noodle steam box through the steam box cylinder. The utility model fully utilizes the heat in the condensed water, reduces the production cost of enterprises, and simultaneously achieves the purposes of energy conservation and environmental protection.
Description
Technical Field
The utility model relates to the technical field of industrial energy conservation, in particular to a waste heat recovery unit for fried condensate water in instant noodle production.
Background
Instant noodles are currently classified into fried instant noodles and non-fried instant noodles according to the dehydration mode. The fried instant noodles are formed by frying and dehydrating steamed noodle blocks by heating palm oil at a higher temperature, and the fried instant noodles occupy the absolute share of the instant noodle sales market due to good rehydration and taste and compliance with national eating habits.
The existing production process of fried instant noodles comprises the following steps: kneading dough, composite calendaring, shredding, steaming, quantitatively cutting, frying and dehydrating, cooling and packaging. Wherein, the process needs two parts of steam heat energy: the low-temperature cooking (105-110 ℃) and high-temperature frying (160-170 ℃) of the noodles, and the steam in the cooking process stage of the noodles is used for a steam box after the high-pressure steam is decompressed through a decompression valve; in the frying and dewatering process stage, high-pressure steam is connected with a high-temperature heat exchanger through a pipeline and exchanges heat with palm oil, and high-temperature condensate water generated in the exchange process is discharged through a steam trap and a pipeline, so that heat in the high-temperature condensate water is greatly wasted.
Disclosure of Invention
In view of the above, the utility model aims to provide a waste heat recovery unit for producing fried condensation water of instant noodles aiming at the defects of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a waste heat recovery unit for fried condensate water produced by instant noodles comprises a circulating water pump, a flash tank, a liquid-liquid ejector and a steam-steam ejector; a high-temperature condensed water supplementing pipe is arranged above the flash tank, and a secondary steam outlet pipe and a liquid discharge pipe are respectively arranged at the top and the bottom of the flash tank; the liquid discharge pipe is communicated with an external boiler room through a liquid-liquid ejector; a return line is further arranged on a communicating pipe at the rear end of the liquid-liquid ejector, 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.
Preferably, 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.
Preferably, 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.
Preferably, the high-pressure steam pipe and the high-temperature condensed water supplementing pipe are respectively provided with an electric regulating valve.
The beneficial effects of the utility model are as follows:
1. the secondary steam outlet pipe of the flash tank is connected with a steam-steam ejector, and simultaneously, external high-pressure steam is used as working fluid to eject secondary steam generated by flash evaporation of high-temperature condensed water in the flash tank, and low-pressure steam is formed at the outlet of the steam-steam ejector and is reapplied to process production steam; the utility model can improve the energy utilization efficiency of the system to a certain extent by adopting 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.
3. According to the utility model, a large amount of condensed water generated by the frying machine is collected into the closed container through the unit, wherein most of the condensed water is collected into the open water storage tank through the pipe for enterprise hot water use or pumped into the boiler softening water tank for water supplementing of the steam boiler; the flash evaporation characteristics of the high-temperature condensate water are fully utilized by other residual parts, and the flash evaporation is carried out by the steam injection device and then is used by the steam box, so that the heat in a large amount of condensate water generated by the frying machine is fully utilized, the production cost of enterprises is reduced, and the purposes of energy conservation and environmental protection are achieved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 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. steam box cylinder separation; 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 high pressure steam pipe.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
As shown in fig. 1, the instant noodle production fried condensation water waste heat recovery unit comprises 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.
A high-temperature condensed water supplementing pipe 8 is arranged above the flash tank 3, and a secondary steam outlet pipe 7 and a liquid discharge pipe 9 are respectively arranged at the top and the bottom of the flash tank; the liquid discharge pipe 9 is communicated with a suction chamber of the liquid-liquid ejector 4; the rear end of the liquid-liquid ejector 4 is communicated with an external boiler room through a communication pipeline. And a return line 10 is further arranged on the communicating pipe, 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 external high-pressure steam pipe 11 is communicated with the nozzle of the steam-steam ejector 1. The secondary steam of the flash tank 3 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 6.
And the high-pressure steam pipe 11 and the high-temperature condensed 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 5 is used as working fluid, and high-temperature hot water with relatively low pressure is ejected and mixed in the mixing chamber of the liquid-liquid ejector 4 to form a mixed fluid with moderate pressure, and the mixed fluid enters a boiler room for supplementing water to a boiler or using other heat. Meanwhile, in the embodiment, an additional pressure head is added to the suction inlet of the circulating water pump 5 by the principle of injection pressurization, so that the pressure of the suction inlet of the circulating water pump 5 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.
According to the utility model, high-temperature condensed water in a flash tank 3 is circularly heated, a secondary steam outlet pipe of the flash tank 3 is connected with a steam-steam ejector 1, 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 3 is ejected, low-pressure steam is formed at an outlet of the steam-steam ejector 1, and the secondary steam is reused in process production; the utility model can improve the energy utilization efficiency of the system to a certain extent by using the steam-steam ejector 1, and solves the problem of low heat utilization rate in the prior art.
The high-temperature condensed water generated in the instant noodle production process is collected in the closed flash tank 3 through the steam trap and the pipeline, the flash evaporation characteristic of the high-temperature condensed water is fully utilized, low-pressure steam is formed through the action of the steam-steam ejector 1 for the steam box to use after flash evaporation, the heat energy of the high-temperature condensed water is effectively utilized, the saturated steam quality after flash evaporation is excellent, the quality of a steamed product is ensured, and the consumption of high-pressure process steam is reduced. The low-temperature condensed water generated after flash evaporation is pumped into an open water tank through a liquid-liquid ejector 4 and a circulating water pump 5 for water supplement or other use of a steam boiler, and the high-temperature condensed water generated by the frying machine is continuously supplemented into a flash evaporation tank 3 for flash evaporation steam supply and steam ejector 1 for application. The whole process can realize scientific and reasonable process automatic control through related control logic by automatic control of the electric regulating valve 2, pressure, water level, temperature and the like, and the heat energy utilization rate of high-temperature condensed water is improved.
The device elements in the above embodiments are conventional device elements unless otherwise specified, and the structural arrangement, operation or control modes in the embodiments are conventional arrangement, operation or control modes in the art unless otherwise specified.
Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (4)
1. A waste heat recovery unit for fried condensate water produced by instant noodles is characterized in that: comprises a circulating water pump (5), a flash tank (3), a liquid-liquid ejector (4) and a steam-steam ejector (1); a high-temperature condensed water supplementing pipe (8) is arranged above the flash tank (3), and a secondary steam outlet pipe (7) and a liquid discharge pipe (9) are respectively arranged at the top and the bottom of the flash tank; the liquid discharge pipe (9) is communicated with an external boiler room through a liquid-liquid ejector (4); a return line (10) is further arranged on a communicating pipe at the rear end of the liquid-liquid ejector (4), 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 (11) are both communicated with the steam-steam ejector (1), the secondary steam of the flash tank (3) and the 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 cylinder (6).
2. The instant noodle production fried condensation water waste heat recovery unit according to 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 fried condensation water waste heat recovery unit according to 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 (11) is communicated with the nozzle of the steam-steam ejector (1).
4. The instant noodle production fried condensation water waste heat recovery unit according to claim 1, wherein: the high-pressure steam pipe (11) 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 |
|---|---|---|---|
| CN202320885007.0U CN219433237U (en) | 2023-04-19 | 2023-04-19 | Fried condensate waste heat recovery unit for instant noodle production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320885007.0U CN219433237U (en) | 2023-04-19 | 2023-04-19 | Fried condensate waste heat recovery unit for instant noodle production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219433237U true CN219433237U (en) | 2023-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320885007.0U Active CN219433237U (en) | 2023-04-19 | 2023-04-19 | Fried condensate waste heat recovery unit for instant noodle production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219433237U (en) |
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2023
- 2023-04-19 CN CN202320885007.0U patent/CN219433237U/en active Active
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