CN221483904U - System for producing steam by using waste heat of second-class heat pump - Google Patents
System for producing steam by using waste heat of second-class heat pump Download PDFInfo
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- CN221483904U CN221483904U CN202322940838.6U CN202322940838U CN221483904U CN 221483904 U CN221483904 U CN 221483904U CN 202322940838 U CN202322940838 U CN 202322940838U CN 221483904 U CN221483904 U CN 221483904U
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- 239000002918 waste heat Substances 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 119
- 150000001335 aliphatic alkanes Chemical class 0.000 claims abstract description 52
- 238000001816 cooling Methods 0.000 claims abstract description 39
- 239000006096 absorbing agent Substances 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000000926 separation method Methods 0.000 claims abstract description 18
- 238000002360 preparation method Methods 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 12
- 238000001704 evaporation Methods 0.000 claims abstract description 9
- 230000008020 evaporation Effects 0.000 claims abstract description 9
- 238000009833 condensation Methods 0.000 claims abstract description 7
- 230000005494 condensation Effects 0.000 claims abstract description 7
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 96
- 238000004821 distillation Methods 0.000 claims description 18
- 238000005507 spraying Methods 0.000 claims description 18
- 239000000498 cooling water Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 14
- 230000001502 supplementing effect Effects 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 8
- 239000003507 refrigerant Substances 0.000 claims description 7
- 238000004544 sputter deposition Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000006837 decompression Effects 0.000 abstract 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model discloses a steam generating system by utilizing waste heat of a second-class heat pump, which relates to the technical field of alkane preparation and comprises the following components: the gas outlet of the gas-liquid separation tank of the alkane preparation unit is respectively communicated with the evaporator heat source inlet and the generator heat source inlet of the second-class heat pump, the evaporator heat source outlet and the generator heat source outlet of the second-class heat pump are both communicated with the liquid inlet of the condensation tank, the water inlet of the absorber of the second-class heat pump is communicated with a water source through a booster pump, and the water outlet of the absorber of the second-class heat pump is communicated with the flash tank for generating steam and storing high-temperature hot water; the heat of the gaseous alkane is transferred to the decompression part in the flash tank through the heat transfer of the second-class heat pump to generate evaporation, and the other part is stored, so that the utilization of the heat in the gaseous alkane is realized, the energy utilization rate is improved, the air cooling tower is replaced, the power consumption of the air cooling tower is reduced, and the running economy of the system is improved.
Description
Technical Field
The utility model relates to the technical field of alkane preparation, in particular to a steam generating system by utilizing waste heat of a second-class heat pump.
Background
Along with the progress of low-carbon technology, the petrochemical industry is developed towards the directions of adopting new technology, saving energy, optimizing production operation, comprehensively utilizing raw materials, extending downstream products and the like, the energy saving is a long-term strategic plan for economic development of China, and is an urgent task at present, the whole society is developing energy saving and consumption reduction, relieving energy pressure, building an energy-saving society, and the recycling of industrial waste heat resources is an important measure for saving energy, and in the aspect of petrochemical industry, the national continental discharge policy is developing recombination and integration in the industry, the admission threshold of the industry is improved, the technical innovation in the industry is encouraged, the obsolete productivity is quickened, the enterprise is encouraged to optimize the process production flow, the comprehensive utilization level of resources is improved, and the technological content and the added value of the products are improved.
In the project of preparing alkane in petrochemical industry, generally, a water-cooling heat exchanger is adopted to cool a mixture of alkane and steam generated by a distillation generating tower through water (the mixture is cooled to a temperature at which the steam is condensed into water and the alkane is evaporated), then gaseous alkane and steam condensate are separated by a gas-liquid separation tank through the difference of boiling points of all pure substances (such as water), and the gaseous alkane is continuously cooled to liquid state through cooling water or air by a cooling tower in order to meet the process refrigeration requirement, but the heat of the alkane cooling process is discharged to the natural environment in a white mode, and higher energy consumption exists.
Therefore, a second-class heat pump steam generating system with high energy utilization rate by utilizing waste heat is needed.
Disclosure of Invention
The utility model aims to provide a system for preparing steam by using waste heat of a second-class heat pump, which solves the problems in the prior art, obtains heat in gaseous alkane through the second-class heat pump, generates steam by using a flash tank and stores high-temperature water, thereby realizing the utilization of the heat in the gaseous alkane and improving the energy utilization rate.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a steam generating system by utilizing waste heat of a second-class heat pump, which comprises an alkane preparation unit and the second-class heat pump, wherein a gas outlet of a gas-liquid separation tank of the alkane preparation unit is respectively communicated with a heat source inlet of an evaporator and a heat source inlet of a generator of the second-class heat pump, the heat source outlet of the evaporator and the heat source outlet of the generator of the second-class heat pump are both communicated with a liquid inlet of a condensation tank, a water inlet of an absorber of the second-class heat pump is communicated with a water source through a booster pump, and a water outlet of the absorber of the second-class heat pump is communicated with a flash tank for generating steam and storing high-temperature hot water.
Preferably, the second-class heat pump vapor generation system utilizing waste heat further comprises a lithium bromide refrigerator, a gas outlet of the gas-liquid separation tank of the alkane preparation unit is communicated with a heat source inlet of the lithium bromide refrigerator through a branch pipeline, a cold water outlet of the lithium bromide refrigerator is communicated with a cold water inlet of a condenser of the second-class heat pump, a cold water outlet of the condenser of the second-class heat pump is communicated with a cold water inlet of the lithium bromide refrigerator through a delivery pump, and a heat source outlet of the lithium bromide refrigerator is communicated with a liquid inlet of the condensation tank.
Preferably, the cooling water inlet of the lithium bromide refrigerator is communicated with the cooling tower through a cold water pump, and the cooling water outlet of the lithium bromide refrigerator is communicated with the cooling tower.
Preferably, the water inlet of the booster pump is communicated with the flash tank.
Preferably, a water supplementing pipeline for supplementing a water source is arranged between the pressurizing pump and the flash tank, and a water supplementing pump is arranged on the water supplementing pipeline.
Preferably, the alkane preparation unit comprises a distillation generating tower, a water-cooling heat exchanger and a gas-liquid separation tank which are sequentially communicated, a steam inlet and a mixture inlet are arranged on the distillation generating tower, a rubber powder mixture outlet is arranged at the bottom of the distillation generating tower, and a steam condensate outlet is arranged at the bottom of the gas-liquid separation tank.
Preferably, an emergency bypass is arranged between the distillation generating tower and the water-cooling heat exchanger, a bypass valve is arranged on the emergency bypass, and an air outlet of the emergency bypass is respectively communicated with the evaporator heat source inlet and the generator heat source inlet of the second-class heat pump.
Preferably, the circulating cooling water outlet channel of the water-cooled heat exchanger is communicated with the heat source inlet of the lithium bromide refrigerator, and the heat source outlet of the lithium bromide refrigerator is communicated with the circulating cooling water inlet channel of the water-cooled heat exchanger.
Preferably, the second-class heat pump comprises an evaporator, a generator, an absorber and a condenser, heat source heat exchange pipelines are arranged in the generator and the evaporator, evaporative water heat exchange pipelines are arranged in the absorber, cold water heat exchange pipelines are arranged in the condenser, the bottom of a cavity of the generator is a containing space for containing lithium bromide solution, the containing space is communicated with the absorber through a solution pump and spraying equipment corresponding to the arrangement of the evaporative water heat exchange pipelines, the spraying equipment corresponds to the arrangement of the evaporative water heat exchange pipelines, the bottom of an inner cavity of the absorber is communicated with the generator through spraying equipment corresponding to the arrangement of the heat source heat exchange pipelines, the bottom of the inner cavity of the condenser is communicated with the evaporator through a refrigerant pump and spraying equipment, the spraying equipment corresponds to the arrangement of the heat source heat exchange pipelines, the inner cavity of the evaporator is communicated with the inner cavity of the absorber, and the top of the inner cavity of the generator is communicated with the top of the inner cavity of the condenser.
Preferably, a plurality of vertically arranged splash-proof plates for preventing spray sputtering are arranged at the communication channels of the evaporator and the absorber.
Compared with the prior art, the utility model mainly achieves the following technical effects:
After entering the evaporator and the generator of the second-class heat pump, the gaseous alkane exchanges heat with the refrigerant water and the lithium bromide solution in the second-class heat pump respectively, the gaseous alkane after heat exchange is cooled to a liquid state and enters the condensing tank to be collected, the heat of the gaseous alkane is transferred into the water flowing in the absorber through the heat transfer of the second-class heat pump, the high-temperature water enters the flash tank to decompress a part for evaporation, and the other part is stored, so that the utilization of the heat in the gaseous alkane is realized, and the energy utilization rate is improved; in addition, the second-class heat pump not only effectively utilizes the heat of gaseous alkane, but also replaces the arrangement of an air cooling tower, reduces the power consumption of the air cooling tower and improves the economical efficiency of system operation.
Compared with the prior art, the other schemes of the utility model have the following technical effects:
the lithium bromide refrigerator can generate cold water by utilizing the heat of gaseous alkane and is used as cold water for cooling the second-class heat pump, other equipment for supplying cold water is not needed to supply cold water for the second-class heat pump, and energy is saved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a second-class heat pump of the present utility model utilizing waste heat to produce water cooling heat exchanger cooling water for steam system for distilling alkane;
FIG. 2 is a schematic diagram of the second-class heat pump of the utility model when cooling circulating water of a water-cooled heat exchanger of a steam generating system by utilizing waste heat is introduced into a lithium bromide refrigerator;
Wherein, 1, a distillation generating tower; 2. a steam inlet; 3. a mixture inlet; 4. a rubber powder mixture outlet; 5. a water-cooled heat exchanger; 6. a gas-liquid separation tank; 7. a steam condensate outlet; 8. a lithium bromide refrigerator; 9. a cooling tower; 10. a transfer pump; 11. a cold water pump; 12. a second class heat pump; 13. an evaporator; 14. an absorber; 15. a generator; 16. a condenser; 17. a solution pump; 18. a refrigerant pump; 19. a spraying device; 20. a flash tank; 21. a pressurizing pump; 22. a water supplementing pump; 23. a condensing tank; 24. an emergency bypass; 25. and a bypass valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a system for producing steam by using waste heat of a second-class heat pump, which solves the problems in the prior art, obtains heat in gaseous alkane through the second-class heat pump, generates steam by using a flash tank and stores high-temperature hot water, thereby realizing the utilization of the heat in the gaseous alkane and improving the energy utilization rate.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-2, a steam generating system using waste heat is provided, which comprises an alkane preparation unit and a second-class heat pump 12, the alkane preparation unit comprises a distillation generating tower 1, a water-cooling heat exchanger 5 and a gas-liquid separation tank 6 which are sequentially communicated, a steam inlet 2 and a mixture inlet 3 are arranged on the distillation generating tower 1, a rubber powder mixture outlet 4 is arranged at the bottom of the distillation generating tower 1, alkane and rubber powder mixture enter the distillation generating tower 1, after being heated by steam, gaseous alkane and steam mixed gas are separated, the mixed gas enters the water-cooling heat exchanger 5 to exchange heat until the steam is condensed into water, the alkane keeps the gaseous temperature, namely the boiling point is higher than that of the alkane, a steam condensate outlet 7 is arranged at the bottom of the gas-liquid separation tank 6, the water condensed by the steam condensate outlet 7 flows out, the gas outlet of the gas-liquid separation tank 6 of the alkane preparation unit is respectively communicated with the heat source inlet of an evaporator 13 of the second-class heat pump 12 and the heat source inlet of the generator 15, the heat source outlet of the evaporator 13 of the second-class heat pump 12 is communicated with the liquid inlet 12 of the condensation tank 23, the mixed gas is separated into the water by the water inlet 12 of the second-class heat pump 14, the water inlet of the second-class heat pump 14 is communicated with the water inlet of the absorber 12 through the water inlet of the absorber 12, and the water inlet of the second-class heat pump 12 is the water inlet of the absorber system 20 is communicated with the water of the second-class heat pump 20, and the water of the heat pump system is shown in the water, and the water is shown in the drawing, and the 2, the is shown, as, the: after entering the evaporator 13 and the generator 15 of the second-class heat pump 12, the gaseous alkane exchanges heat with the refrigerant water and the lithium bromide solution in the second-class heat pump 12 respectively, the gaseous alkane after heat exchange is cooled to a liquid state and enters the condensing tank 23 to be collected, the heat of the gaseous alkane is transferred to the water flowing in the absorber 14 through the heat transfer of the second-class heat pump 12, the high-temperature water enters the flash tank 20 to decompress a part for evaporation, and the other part is stored, so that the utilization of the heat in the gaseous alkane is realized, and the energy utilization rate is improved; in addition, the second-class heat pump 12 not only effectively utilizes the heat of gaseous alkane, but also replaces the arrangement of an air cooling tower, reduces the power consumption of the air cooling tower and improves the economical efficiency of system operation.
The second-class heat pump 12 utilizes the waste heat to prepare the steam system still includes lithium bromide refrigerator 8, the gas outlet of the gas-liquid separation tank 6 of alkane preparation unit is linked together with the heat source entry of lithium bromide refrigerator 8 through the branch line, the cold water outlet of lithium bromide refrigerator 8 is linked together with the cold water inlet of the condenser 16 of second-class heat pump 12, the cold water outlet of the condenser 16 of second-class heat pump 12 is linked together with the cold water entry of lithium bromide refrigerator 8 through delivery pump 10, the heat source outlet of lithium bromide refrigerator 8 is linked together with the liquid inlet of condensation tank 23, the cooling water entry of lithium bromide refrigerator 8 is linked together with cooling tower 9 through cold water pump 11, the cooling water outlet of lithium bromide refrigerator 8 is linked together with cooling tower 9, cooling tower 9 is for lithium bromide refrigerator 8 circulation provides cooling water as the coolant, lithium bromide refrigerator 8 can utilize the heat of gaseous alkane to produce cold water, and as the required cooling cold water of second-class heat pump 12, need not use other equipment of supplying cold water to supply cold water for second-class heat pump 12, the energy saving.
When the air pressure in the flash tank 20 is low and the high-temperature and high-pressure water enters the flash tank 20 to generate a steaming event, the water inlet of the pressurizing pump 21 can be communicated with the flash tank 20 because the high-temperature and high-pressure water does not completely evaporate after entering the flash tank 20, so that the recycling of the part of water is realized.
Because the water in the flash tank 20 is evaporated and the water amount is gradually reduced, a water supplementing pipeline for supplementing water source is arranged between the booster pump 21 and the flash tank 20, and a water supplementing pump 22 is arranged on the water supplementing pipeline, and the water inlet of the water supplementing pump 22 is communicated with an external water tank.
The external water tank can be a solar water heater, and the solar water heater can be used for heating the supplied water in advance, so that the temperature of the water flowing out of the absorber 14 can be correspondingly increased, and more steam can be generated.
An emergency bypass 24 is arranged between the distillation generating tower 1 and the water-cooling heat exchanger 5, a bypass valve 25 is arranged on the emergency bypass 24, the bypass valve 25 is opened when the water-cooling heat exchanger 5 and the gas-liquid separation tank 6 have problems and are required to be overhauled or maintained in daily life, the air outlet of the emergency bypass 24 is respectively communicated with the heat source inlet of the evaporator 13 and the heat source inlet of the generator 15 of the second-class heat pump 12, and the emergency bypass 24 is arranged to ensure that the distillation generating tower 1 can normally work when the water-cooling heat exchanger 5 and the gas-liquid separation tank 6 are overhauled or maintained, so that the working efficiency of the distillation generating tower 1 is improved.
The cooling circulating water of the water-cooling heat exchanger 5 can be selectively used for distilling alkane, when the alkane is not required to be distilled, a circulating cooling water outlet channel of the water-cooling heat exchanger 5 can be communicated with a heat source inlet of the lithium bromide refrigerator 8, a heat source outlet of the lithium bromide refrigerator 8 is communicated with a circulating cooling water inlet channel of the water-cooling heat exchanger 5, gaseous alkane can not be introduced into the lithium bromide refrigerator 8 at the moment, and the gaseous alkane is only led into the second-class heat pump 12.
The specific structure of the second-class heat pump 12 comprises an evaporator 13, a generator 15, an absorber 14 and a condenser 16, wherein heat source heat exchange pipelines are arranged in the generator 15 and the evaporator 13, evaporative water heat exchange pipelines are arranged in the absorber 14, cold water heat exchange pipelines are arranged in the condenser 16, the bottom of a cavity of the generator 15 is a containing space for containing lithium bromide solution, the containing space is communicated with the absorber 14 through a solution pump 17 and a spraying device 19 corresponding to the evaporative water heat exchange pipelines, the spraying device 19 is corresponding to the evaporative water heat exchange pipelines, the bottom of an inner cavity of the absorber 14 is communicated with the generator 15 through a spraying device 19, the spraying device 19 is corresponding to the heat source heat exchange pipelines, the bottom of an inner cavity of the condenser 16 is communicated with the evaporator 13 through a refrigerant pump 18 and a spraying device 19, the spraying device 19 is corresponding to the heat source heat exchange pipelines, the inner cavity of the evaporator 13 is communicated with the inner cavity of the absorber 14, and the top of the inner cavity of the generator 15 is communicated with the top of the inner cavity of the condenser 16.
The communication channel department of evaporimeter 13 and absorber 14 is provided with the anti-sputtering board that prevents spraying of a plurality of vertical arrangement, adjacent anti-sputtering board interval sets up, and the interval region is vapor channel, and anti-sputtering board can be straight plate shape or reverse V shape, and when adopting straight plate shape, a plurality of anti-sputtering board slope sets up, and higher one end is close to absorber 14 setting, because the evaporation of spray water heat absorption in the evaporimeter 13 produces vapor and can flow towards absorber 14, this flow air current can play the lithium bromide solution that prevents to spray in the absorber 14 and sputter in the evaporimeter 13, adopts reverse V shape then can realize both sides protection.
The principle of heat utilization of gaseous alkanes in the second type heat pump 12 is: gaseous alkane enters a heat source heat exchange pipeline in the generator 15 to exchange heat with the sprayed lithium bromide solution, the lithium bromide solution generates water vapor and lithium bromide concentrated solution after being heated in the generator 15, the lithium bromide concentrated solution is conveyed into the absorber 14 by the solution pump 17 to exchange heat with an evaporation water heat exchange pipeline, and water in the evaporation water heat exchange pipeline is heated and enters the flash tank 20; the vapor generated in the generator 15 enters a condenser 16 to exchange heat with cold water in a cold water heat exchange pipeline, the vapor is condensed and conveyed to the evaporator 13 by a refrigerant pump 18 to exchange heat with gaseous alkane in a heat exchange pipeline of a heat source in the evaporator 13, and the vapor generated after heat exchange enters an absorber 14 to exchange heat with a water heat exchange channel together with a lithium bromide concentrated solution and then is mixed with the lithium bromide concentrated solution to form a lithium bromide dilute solution to be sprayed into the generator 15.
Taking n-hexane as an example (the cooling circulation water of the water-cooled heat exchanger 5 is selected for distilling alkanes): the normal hexane and rubber powder mixture enters a distillation generating tower 1, after being heated by steam, gaseous normal hexane and steam mixed gas is separated, the temperature before gas phase discharge is 105 ℃,0.1MPa.g, the rubber powder mixture returns to the original process for recycling, after discharge, the rubber powder mixture is cooled to 85 ℃ through a water cooling heat exchanger 5, the temperature is higher than the boiling point of the normal hexane and 69 ℃ and enters a gas-liquid separation tank 6, liquid water is separated from the gaseous normal hexane, then the gaseous normal hexane enters a lithium bromide refrigerator 8 and a second-class heat pump 12 for continuous cooling, the cooled normal hexane is about 65 ℃, and the cooled normal hexane enters a condensation tank 23 and is further collected.
The first output material of the lithium bromide refrigerator 8 is liquid normal hexane, the second output material is 7 ℃ cold water which is used as cooling cold water required by the second-class heat pump 12 in the system, the first output material of the second-class heat pump 12 and the flash tank 20 is 137 ℃,0.23MPa.g steam or 137 ℃ high-temperature hot water, and the second output material is liquid normal hexane.
The adaptation to the actual need is within the scope of the utility model.
It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (10)
1. The system is characterized by comprising an alkane preparation unit and a second-class heat pump, wherein a gas outlet of a gas-liquid separation tank of the alkane preparation unit is respectively communicated with a heat source inlet of an evaporator and a heat source inlet of a generator of the second-class heat pump, both the heat source outlet of the evaporator and the heat source outlet of the generator of the second-class heat pump are communicated with a liquid inlet of a condensing tank, a water inlet of an absorber of the second-class heat pump is communicated with a water source through a booster pump, and a water outlet of the absorber of the second-class heat pump is communicated with a flash tank for generating steam and storing high-temperature hot water.
2. The system for producing steam by utilizing waste heat according to claim 1, further comprising a lithium bromide refrigerator, wherein a gas outlet of the gas-liquid separation tank of the alkane preparation unit is communicated with a heat source inlet of the lithium bromide refrigerator through a branch pipeline, a cold water outlet of the lithium bromide refrigerator is communicated with a cold water inlet of a condenser of the second heat pump, a cold water outlet of the condenser of the second heat pump is communicated with a cold water inlet of the lithium bromide refrigerator through a delivery pump, and a heat source outlet of the lithium bromide refrigerator is communicated with a liquid inlet of the condensation tank.
3. The system for producing steam by utilizing waste heat according to claim 2, wherein the cooling water inlet of the lithium bromide refrigerator is communicated with a cooling tower through a cooling water pump, and the cooling water outlet of the lithium bromide refrigerator is communicated with the cooling tower.
4. The two-class heat pump vapor generation system utilizing waste heat according to claim 1, wherein the water inlet of the booster pump is communicated with the flash tank.
5. The system for producing steam by utilizing waste heat of two-type heat pumps according to claim 4, wherein a water supplementing pipeline for supplementing water source is arranged between the pressurizing pump and the flash tank, and a water supplementing pump is arranged on the water supplementing pipeline.
6. The system for producing steam by utilizing waste heat according to claim 1, wherein the alkane preparation unit comprises a distillation generating tower, a water-cooling heat exchanger and the gas-liquid separation tank which are sequentially communicated, a steam inlet and a mixture inlet are arranged on the distillation generating tower, a rubber powder mixture outlet is arranged at the bottom of the distillation generating tower, and a steam condensate outlet is arranged at the bottom of the gas-liquid separation tank.
7. The system for producing steam by utilizing waste heat of the second-class heat pump according to claim 6, wherein an emergency bypass is arranged between the distillation generating tower and the water-cooled heat exchanger, a bypass valve is arranged on the emergency bypass, and an air outlet of the emergency bypass is respectively communicated with an evaporator heat source inlet and a generator heat source inlet of the second-class heat pump.
8. The system of claim 6, wherein the water cooling heat exchanger has a circulating cooling water outlet channel connected to the heat source inlet of the lithium bromide refrigerator, and the heat source outlet of the lithium bromide refrigerator is connected to the circulating cooling water inlet channel of the water cooling heat exchanger.
9. The system for producing steam by utilizing waste heat according to claim 1, wherein the two-class heat pump comprises an evaporator, a generator, an absorber and a condenser, heat source heat exchange pipelines are arranged in the generator and the evaporator, evaporation water heat exchange pipelines are arranged in the absorber, cold water heat exchange pipelines are arranged in the condenser, the bottom of a cavity of the generator is a containing space for containing lithium bromide solution, the containing space is communicated with the absorber through a solution pump and spraying equipment corresponding to the evaporation water heat exchange pipelines, the spraying equipment is corresponding to the evaporation water heat exchange pipelines, the bottom of an inner cavity of the absorber is communicated with the generator through spraying equipment, the spraying equipment is corresponding to the heat source heat exchange pipelines, the bottom of an inner cavity of the condenser is communicated with the evaporator through a refrigerant pump and spraying equipment, the inner cavity of the evaporator is corresponding to the heat source heat exchange pipelines, the inner cavity of the evaporator is communicated with the inner cavity of the absorber, and the top of the evaporator is communicated with the top of the inner cavity of the generator.
10. The system for producing steam by utilizing waste heat of the second-class heat pump according to claim 1, wherein a plurality of vertically arranged splash-proof plates for preventing spray sputtering are arranged at the communication channels of the evaporator and the absorber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322940838.6U CN221483904U (en) | 2023-10-31 | 2023-10-31 | System for producing steam by using waste heat of second-class heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322940838.6U CN221483904U (en) | 2023-10-31 | 2023-10-31 | System for producing steam by using waste heat of second-class heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221483904U true CN221483904U (en) | 2024-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322940838.6U Active CN221483904U (en) | 2023-10-31 | 2023-10-31 | System for producing steam by using waste heat of second-class heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221483904U (en) |
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2023
- 2023-10-31 CN CN202322940838.6U patent/CN221483904U/en active Active
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