CN114935138A - System for utilize exhaust steam waste heat to produce regenerated steam - Google Patents
System for utilize exhaust steam waste heat to produce regenerated steam Download PDFInfo
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- CN114935138A CN114935138A CN202210563516.1A CN202210563516A CN114935138A CN 114935138 A CN114935138 A CN 114935138A CN 202210563516 A CN202210563516 A CN 202210563516A CN 114935138 A CN114935138 A CN 114935138A
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- 239000002918 waste heat Substances 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 123
- 239000011552 falling film Substances 0.000 claims abstract description 48
- 239000002699 waste material Substances 0.000 claims abstract description 35
- 239000007789 gas Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000004321 preservation Methods 0.000 claims description 5
- 230000008929 regeneration Effects 0.000 claims description 5
- 238000011069 regeneration method Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 4
- 239000010408 film Substances 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000010411 cooking Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 235000008446 instant noodles Nutrition 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
- F22B37/46—Applications, arrangements, or dispositions of alarm or automatic safety devices responsive to low or high water level, e.g. for checking, suppressing, extinguishing combustion in boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/50—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers for draining or expelling water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
- F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
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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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to a system for generating regenerated steam by utilizing waste heat of waste steam, and belongs to the technical field of resource utilization and waste heat recovery. The system comprises a gas collecting hood, a fan, a falling film heat transfer pipe, a baffle plate, a lower water tank, a pump, a lower end plate, an upper water pipe, an upper end plate, a steam guide pipe positioning pipe plate, a steam guide pipe, an upper water tank, a steam compressor, a middle heat exchange box, a plurality of valves and pipelines; after the system recovers the waste steam on site, the thin liquid film descending along the wall is formed on the inner wall of the falling film heat transfer pipe, the heat exchange between the waste steam and the falling film in the pipe is effectively strengthened, and when the waste steam waste heat is utilized, clean steam is newly generated to supplement to a steam using point.
Description
Technical Field
The invention relates to a system for generating regenerated steam by utilizing waste heat of waste steam, and belongs to the technical field of resource utilization and waste heat recovery.
Background
In the processes of food processing, Chinese and western medicine production and agricultural product processing, steam with certain gauge pressure is required to be utilized for cooking, drying, concentrating and the like in many times, waste steam is generated at the moment, and can not be directly recycled due to impurities and the like in the waste steam, the waste steam is always discharged, so that a large amount of new steam is consumed in the production process, and the energy consumption is high. The emission of waste steam not only leads to the increase of energy consumption of enterprises, but also causes pollution to the surrounding atmospheric environment, especially thermal pollution, and serious waste of water resources. Therefore, it is necessary to invent a device for collecting waste steam and generating regenerated steam by using the waste heat of the waste steam to be put into the production process again.
The temperature of the waste steam is not high and is within 100 ℃, in order to improve the energy efficiency of the waste heat recovery device, a proper heat transfer enhancement measure must be adopted to ensure that the absolute pressure of the generated low-pressure secondary steam is above 0.45bar, otherwise, the generated low-pressure secondary steam has low pressure, the negative pressure in the device is too large, the device is not easy to seal, and the low-pressure steam is difficult to pressurize and reuse.
Disclosure of Invention
Aiming at the problems and the defects in the prior art, the invention provides a system for generating regenerated steam by utilizing waste heat of waste steam. After the system recovers the waste steam on site, the thin liquid film descending along the wall is formed on the inner wall of the falling film heat transfer pipe, the heat exchange between the waste steam and the falling film in the pipe is effectively strengthened, and when the waste steam waste heat is utilized, clean steam is newly generated to supplement to a steam using point. The invention is realized by the following technical scheme.
A system for generating regenerated steam by using waste heat of waste steam comprises a gas collecting hood 1, a fan 2, a falling film heat transfer pipe 3, a baffle plate 4, a lower water tank 5, a pump 6, a lower end plate 7, an upper water pipe 8, an upper end plate 9, a steam guide pipe positioning pipe plate 10, a steam guide pipe 11, an upper water tank 12, a steam compressor 13, a middle heat exchange box 14, a plurality of valves and pipelines, wherein the upper water tank 12 is arranged on the upper end plate of the falling film heat transfer pipe;
waste steam is collected by the gas collecting hood 1 and is sent into the middle heat exchange box 14 through the fan 2 and the heat preservation air pipe, the top of the middle heat exchange box 14 is provided with separated upper water tanks 12 through the upper end plate 9, the bottom of the middle heat exchange box 14 is provided with separated lower water tanks 5 through the lower end plate 7, a plurality of falling film heat transfer tubes 3 are uniformly and vertically arranged between an upper end plate 9 and a lower end plate 7, the top and the bottom of each falling film heat transfer tube 3 are respectively communicated with an upper water tank 12 and a lower water tank 5, a baffle plate 4 is arranged on the shell side in a middle heat exchange box 14, a steam guide tube 11 inserted into the top of each falling film heat transfer tube 3 is arranged above the water level in the upper water tank 12 through a steam guide tube positioning tube plate 10, the outer diameter of the steam guide tube 11 is smaller than the inner diameter of the falling film heat transfer tube 3, the bottom of the steam guide tube 11 is communicated with the falling film heat transfer tube 3, the upper part in the upper water tank 12 is a low-pressure steam space, and the low-pressure steam space is connected with a steam compressor 13 through a pipeline to obtain regenerated steam; the lower part of the middle heat exchange box 14 is provided with an exhaust valve and a drain valve;
a water replenishing pipe is arranged on the lower water tank 5, and a water outlet at the side part of the lower water tank 5 is communicated with an upper water tank 12 through a pump 6 and an upper water pipe 8.
A water level controller is arranged in the lower water space of the upper water tank 12, and the start and stop of the pump 6 are controlled by the water level controller; the lower water tank 7 is provided with a ball float valve or a liquid level controller to control the water level.
The vapor compressor 13 is an ejector-type vapor compressor.
The pipe diameters of the steam guide pipe 11 and the falling film heat transfer pipe 3, the length of the lower end of the steam guide pipe 11 extending into the falling film heat transfer pipe 3, and the height of the water level at the lower part of the upper water tank 12 are required to ensure that the falling film flow heat transfer of water is performed inside the falling film heat transfer pipe 3 during operation.
The vapor compressor 13 needs to ensure that the outlet vapor can not contain lubricating oil, and the exhaust pressure needs to ensure that the regeneration vapor pressure meets the vapor utilization requirement.
The working principle of the system for generating the regenerated steam by utilizing the waste heat of the waste steam is as follows:
waste steam is collected by the gas collecting hood 1, is pressurized by the fan 2 and is sent into the middle heat exchange box 14 through the heat preservation air pipe, heat is transferred to water in the falling film heat transfer pipe 3 due to cooling of the falling film heat transfer pipe 3, the waste steam is condensed on the outer wall of the heat transfer pipe 3, the condensed water flows to the bottom of the middle heat exchange box 14 and is discharged and recycled by the steam trap, and as the density of non-condensable gas (mainly air) in the waste steam is higher than that of the water steam, the non-condensable gas is finally gathered at the bottom of the middle heat exchange box 14 and is discharged by the exhaust valve, in order to strengthen side heat transfer of the waste steam, the baffle plate 4 is additionally arranged in the middle heat exchange box 14, so that multiple cross flow heat exchange between the waste steam and the falling film heat transfer pipe 3 is realized; because of the combined action of gravity and flowing viscous resistance of the outer wall of the steam guide pipe 11 and the inner wall of the falling film heat transfer pipe 3, water in the upper water tank 12 continuously flows downwards in a film form in an annular space between the steam guide pipe 11 and the falling film heat transfer pipe 3, a layer of falling film is formed on the inner wall of the falling film heat transfer pipe 3, the falling film continuously absorbs heat transferred by the pipe wall in the descending process to generate low-pressure secondary steam, the secondary steam flows upwards in the falling film heat transfer pipe 3 and is guided into the low-pressure steam space of the upper water tank 12 through the steam guide pipe 11, and saturated water without steam flows downwards and flows into the lower water tank; the generated low-pressure secondary steam is pressurized to the process steam pressure by the steam compressor 13 (or the jet steam compressor) and is reused in the production process. In order to ensure the stable operation of the system, the upper water tank and the lower water tank are both provided with water level control devices, the water level in the upper water tank controls the start and stop of the water replenishing pump through the water level controller, and the water level in the lower water tank is controlled through a ball float valve or the water level controller.
The invention has the beneficial effects that:
(1) the system is simple, safe and reliable, and low in cost.
(2) The steam recovery device can be installed in place of steam use, reduces the consumption of new steam, can recover water resources in waste steam, is environment-friendly and green, and has low operating cost.
Drawings
FIG. 1 is a schematic diagram of a system for generating regeneration steam by using waste heat of waste steam according to the present invention;
fig. 2 is a schematic diagram of a system in which the vapor compressor of the present invention is an ejector-type vapor compressor.
In the figure: 1-a gas collecting hood, 2-a fan, 3-a falling film heat transfer pipe, 4-a baffle plate, 5-a lower water tank, 6-a pump, 7-a lower end plate, 8-an upper water pipe, 9-an upper end plate, 10-a steam guide pipe positioning pipe plate, 11-a steam guide pipe, 12-an upper water tank, 13-a steam compressor and 14-a middle heat exchange box.
Detailed Description
The invention is further described with reference to the following drawings and detailed description.
Example 1
The finished product flour cake of a certain instant noodle company needs to be fried and shaped after steam cooking, the cooking process is normal-pressure cooking, the temperature of waste steam is 373.15K, the steam amount is 1200kg per hour, a system for generating regenerated steam by utilizing the waste heat of the waste steam is adopted, a middle heat exchange box 14 of the device is internally provided with 12 falling film heat transfer pipes 3, the inner diameter is 48mm, the length is 4m, the material is copper, and the heat conductivity coefficient is 375W/(m.k); the initial temperature of the clean water in the upper water tank is 363.15K. The fluid in the heat transfer pipe is Re =2500, and the total heat transfer coefficient k = 4290W/(m) 2 ·k)。
As shown in fig. 1, the system for generating regenerated steam by using waste heat of waste steam includes a gas collecting hood 1, a fan 2, a falling film heat transfer pipe 3, a baffle plate 4, a lower water tank 5, a pump 6, a lower end plate 7, an upper water pipe 8, an upper end plate 9, a steam guide pipe positioning pipe plate 10, a steam guide pipe 11, an upper water tank 12, a steam compressor 13, a middle heat exchange box 14, and a plurality of valves and pipelines;
waste steam is collected by the gas collecting hood 1 and is sent into the middle heat exchange box 14 through the fan 2 and the heat preservation air pipe, the top of the middle heat exchange box 14 is provided with separated upper water tanks 12 through the upper end plate 9, the bottom of the middle heat exchange box 14 is provided with separated lower water tanks 5 through the lower end plate 7, a plurality of falling film heat transfer tubes 3 are uniformly and vertically arranged between an upper end plate 9 and a lower end plate 7, the top and the bottom of each falling film heat transfer tube 3 are respectively communicated with an upper water tank 12 and a lower water tank 5, a baffle plate 4 is arranged on the shell side in a middle heat exchange box 14, a steam guide tube 11 inserted into the top of each falling film heat transfer tube 3 is arranged above the water level in the upper water tank 12 through a steam guide tube positioning tube plate 10, the outer diameter of the steam guide tube 11 is smaller than the inner diameter of the falling film heat transfer tube 3, the bottom of the steam guide tube 11 is communicated with the falling film heat transfer tube 3, the upper part in the upper water tank 12 is a low-pressure steam space, and the low-pressure steam space is connected with a steam compressor 13 through a pipeline to obtain regenerated steam; the lower part of the middle heat exchange box 14 is provided with an exhaust valve and a drain valve;
a water replenishing pipe is arranged on the lower water tank 5, and a water outlet at the side part of the lower water tank 5 is communicated with an upper water tank 12 through a pump 6 and an upper water pipe 8.
Wherein, a water level controller is arranged in the lower water space of the upper water tank 12, and the water level controller controls the start and stop of the pump 6; the lower water tank 7 is provided with a ball float valve or a liquid level controller to control the water level.
The outer diameter of the steam guide pipe 11 is 32mm, the length is 0.8m, and the material is aluminum; the length of the lower end of the steam guide pipe 11 extending into the falling film heat transfer pipe 3 is 150mm, and the height of the water level at the lower part of the upper water tank 12 is 0.6 m.
The calculated amount of the regenerated steam which can be generated by the device in 1 hour is 486.093kg, and the regenerated steam can be generated 1749.937t in 1 year according to the calculation of 12h per day and 300 days of operation in 1 year.
Example 2
A certain petrochemical enterprise has a large amount of secondary low-pressure steam surplus, and according to statistics, the low-pressure steam with 10 t/h in average all the year is emptied due to the fact that the low-pressure steam cannot be utilized in the process or the public facilities, so that energy waste and environmental pollution are caused.
As shown in fig. 2, the system for generating regenerated steam by using waste heat of waste steam includes a gas collecting hood 1, a fan 2, a falling film heat transfer pipe 3, a baffle plate 4, a lower water tank 5, a pump 6, a lower end plate 7, an upper water pipe 8, an upper end plate 9, a steam guide pipe positioning pipe plate 10, a steam guide pipe 11, an upper water tank 12, a steam compressor 13, a middle heat exchange box 14, and a plurality of valves and pipes;
waste steam is collected by the gas collecting hood 1 and is sent into the middle heat exchange box 14 through the fan 2 and the heat preservation air pipe, the top of the middle heat exchange box 14 is provided with upper water tanks 12 which are separated through the upper end plate 9, the bottom of the middle heat exchange box 14 is provided with lower water tanks 5 which are separated through the lower end plate 7, a plurality of falling film heat transfer pipes 3 are uniformly and vertically arranged between an upper end plate 9 and a lower end plate 7, the top and the bottom of each falling film heat transfer pipe 3 are respectively communicated with an upper water tank 12 and a lower water tank 5, a baffle plate 4 is arranged on the shell side in a middle heat exchange box 14, a steam guide pipe 11 inserted into the top of each falling film heat transfer pipe 3 is arranged above the water level in the upper water tank 12 through a steam guide pipe positioning tube plate 10, the outer diameter of the steam guide pipe 11 is smaller than the inner diameter of the falling film heat transfer pipe 3, the bottom of the steam guide pipe 11 is communicated with the falling film heat transfer pipe 3, the upper part in the upper water tank 12 is a low-pressure steam space, and the low-pressure steam space is connected with a steam compressor 13 through a pipeline to obtain regenerated steam; the lower part of the middle heat exchange box 14 is provided with an exhaust valve and a drain valve;
a water replenishing pipe is arranged on the lower water tank 5, and a water outlet at the side part of the lower water tank 5 is communicated with an upper water tank 12 through a pump 6 and an upper water pipe 8.
Wherein, the water level controller is arranged in the lower water space of the upper water tank 12, and the water level controller controls the start and stop of the water level control pump 6; the lower water tank 7 is provided with a ball float valve or a liquid level controller to control the water level.
The number of the falling film heat transfer tubes 3 is 12, the inner diameter is 60mm, the length is 6m, and the material is copper; the outer diameter of the steam guide pipe 11 is 40mm, the length is 1.2m, and the material is aluminum; the length of the lower end of the steam guide pipe 11 extending into the falling film heat transfer pipe 3 is 200mm, and the height of the water level at the lower part of the upper water tank 12 is 1 m.
The amount of the renewable steam which can be generated in 1 hour of the device is calculated to be 3t, the renewable steam which can be generated in 1 year is 10800t according to the working time of 12h per day and the running time of 300 days in 1 year, if the working steam pressure is 1.0MPa, the saturated steam is injected, the generated steam pressure is 0.334MPa, and the pressure steam can be used for a dilution steam generation system of the ethylene device of the petrochemical enterprise and is calculated according to the medium pressure steam of 80 yuan/t. The direct economic benefit can be increased by 86.4 ten thousand yuan each year.
While the present invention has been described in detail with reference to the embodiments, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (3)
1. The utility model provides a system for utilize exhaust steam waste heat to produce regeneration steam which characterized in that: the device comprises a gas collecting hood (1), a fan (2), a falling film heat transfer pipe (3), a baffle plate (4), a lower water tank (5), a pump (6), a lower end plate (7), an upper water pipe (8), an upper end plate (9), a steam guide pipe positioning pipe plate (10), a steam guide pipe (11), an upper water tank (12), a steam compressor (13), a middle heat exchange box (14) and a plurality of valves and pipelines;
waste steam is collected by a gas collecting hood (1) and is sent into a middle heat exchange box (14) through a fan (2) and a heat preservation air pipe, the top of the middle heat exchange box (14) is provided with upper water tanks (12) which are separated through an upper end plate (9), the bottom of the middle heat exchange box (14) is provided with lower water tanks (5) which are separated through a lower end plate (7), a plurality of falling film heat transfer pipes (3) are uniformly and vertically arranged between the upper end plate (9) and the lower end plate (7), the top and the bottom of each falling film heat transfer pipe (3) are respectively communicated with the upper water tank (12) and the lower water tank (5), a baffle plate (4) is arranged on the shell side in the middle heat exchange box (14), steam guide pipes (11) which are inserted into the tops of the falling film heat transfer pipes (3) are arranged above the water level in the upper water tank (12) through steam guide pipe positioning pipe plates (10), the outer diameters of the steam guide pipes (11) are smaller than the inner diameters of the falling film heat transfer pipes (3), and the bottoms of the steam guide pipes (11) are communicated with the falling film heat transfer pipes (3), the upper part in the upper water tank (12) is a low-pressure steam space, and the low-pressure steam space is connected with a steam compressor (13) through a pipeline to obtain regenerated steam; the lower part of the middle heat exchange box (14) is provided with an exhaust valve and a drain valve;
a water replenishing pipe is arranged on the lower water tank (5), and a water outlet at the side part of the lower water tank (5) is communicated with the upper water tank (12) through a pump (6) and an upper water pipe (8).
2. The system for generating regeneration steam by using waste heat of exhaust steam according to claim 1, wherein: a liquid level controller is arranged in the lower water space of the upper water tank (12), and the start and stop of the pump (6) are controlled by the liquid level controller; the lower water tank (7) is provided with a ball float valve or a liquid level controller to control the water level.
3. The system for generating regeneration steam using waste heat of exhaust steam according to claim 1, wherein: the vapor compressor (13) is an injection type vapor compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210563516.1A CN114935138A (en) | 2022-05-23 | 2022-05-23 | System for utilize exhaust steam waste heat to produce regenerated steam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210563516.1A CN114935138A (en) | 2022-05-23 | 2022-05-23 | System for utilize exhaust steam waste heat to produce regenerated steam |
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| CN114935138A true CN114935138A (en) | 2022-08-23 |
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| CN202210563516.1A Pending CN114935138A (en) | 2022-05-23 | 2022-05-23 | System for utilize exhaust steam waste heat to produce regenerated steam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116947140A (en) * | 2023-08-15 | 2023-10-27 | 中国矿业大学 | Cross-flow type falling film evaporation condensation desalination device |
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2022
- 2022-05-23 CN CN202210563516.1A patent/CN114935138A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116947140A (en) * | 2023-08-15 | 2023-10-27 | 中国矿业大学 | Cross-flow type falling film evaporation condensation desalination device |
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