CN215288064U - Lithium bromide waste heat recovery type sea water desalination - Google Patents
Lithium bromide waste heat recovery type sea water desalination Download PDFInfo
- Publication number
- CN215288064U CN215288064U CN202120814709.0U CN202120814709U CN215288064U CN 215288064 U CN215288064 U CN 215288064U CN 202120814709 U CN202120814709 U CN 202120814709U CN 215288064 U CN215288064 U CN 215288064U
- Authority
- CN
- China
- Prior art keywords
- outlet pipeline
- pipeline
- lithium bromide
- flash
- steam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model relates to a sea water desalination field, in particular to lithium bromide waste heat recovery type sea water desalination. The system comprises a regenerator, a condenser, an absorber, an evaporator, a heat exchanger, a concentrated solution pump, a refrigerant recirculating pump and a flash chamber, wherein the flash chamber is respectively connected with a seawater inlet pipeline, a seawater outlet pipeline and a waste steam outlet pipeline, the waste steam outlet pipeline of the flash chamber is divided into two paths and respectively connected to the evaporator and the regenerator, the waste steam condensate outlet pipeline connected with the evaporator is converged with the waste steam condensate outlet pipeline connected with the regenerator, one part of the converged pipeline is connected to a fresh water outlet pipeline, the other part of the converged pipeline is connected to the absorber through the condensate pump, a hot water outlet pipeline of the absorber is connected to a flash tank, and a steam outlet pipeline of the flash tank is connected to the flash chamber. The utility model discloses combine lithium bromide waste heat recovery technique and sea water desalination technique, very big reduction sea water desalination's energy resource consumption, realized the multistage utilization of the energy.
Description
Technical Field
The utility model relates to a sea water desalination field, in particular to lithium bromide waste heat recovery type sea water desalination.
Background
Sea water desalination, namely, sea water desalination is utilized to produce fresh water. The open source incremental technology for realizing water resource utilization can increase the total amount of fresh water, is not influenced by time, space and climate, and can ensure stable water supply of coastal resident drinking water, industrial boiler water supplement and the like.
In the seawater desalination process, fresh water is often prepared by a flash evaporation method, the driving energy of the flash evaporation method is generally steam, the steam heats seawater entering a flash evaporation device to generate dead steam, and the dead steam is condensed to generate fresh water. In the process, a heat source for heating seawater is usually commodity steam, which is expensive, so that the seawater desalination cost is high, and simultaneously, a large amount of low-temperature exhaust steam energy can be generated, the part of energy contains a large amount of latent heat, if the part of energy can be recycled, huge economic benefits can be created for enterprises, the utilization rate of the energy can be improved, and the purposes of energy saving and emission reduction can be further achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving seawater desalination and being with high costs, a large amount of low temperature heat sources do not obtain make full use of simultaneously, cause energy loss and extravagant technical problem, a lithium bromide waste heat recovery type seawater desalination system is provided, on the basis of fresh water is prepared to traditional flash distillation technology, combine lithium bromide absorption formula waste heat recovery technique, furthest's recovery has prepared the waste heat that produces in the fresh water, can also prepare the required heat source steam of flash distillation technology simultaneously, very big reduction seawater desalination's energy resource consumption, the multistage utilization of the energy has been realized, energy efficiency is improved, energy saving and emission reduction has been realized.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a lithium bromide waste heat recovery type seawater desalination system comprises a regenerator, a condenser, an absorber, an evaporator, a heat exchanger, a concentrated solution pump, a refrigerant recirculating pump and a flash chamber, wherein the regenerator, the absorber and the heat exchanger are sequentially connected through pipelines to form a lithium bromide solution circulating pipeline, the condenser and the evaporator are connected through pipelines to form a refrigerant water circulating pipeline, the condenser is respectively connected with a cooling water inlet pipeline and a cooling water outlet pipeline, the flash chamber is respectively connected with a seawater inlet pipeline, a seawater outlet pipeline and an exhaust steam outlet pipeline, the exhaust steam outlet pipeline of the flash chamber is divided into two paths to be respectively connected into the evaporator and the regenerator, the steam condensate water outlet pipeline connected with the evaporator is crossed with the exhaust steam condensate water outlet pipeline connected with the regenerator, one path of the crossed pipelines is connected to a fresh water outlet pipeline, and the other path of the crossed pipelines is connected to the absorber through the condensate pump, a hot water outlet pipeline connected with the absorber is connected to the flash tank, and a steam outlet pipeline of the flash tank is connected to the flash chamber.
Further, the flash chamber is also connected with a steam inlet pipeline for supplementing steam.
Further, the flash chamber is provided with an air extraction device.
Furthermore, the seawater desalination system is suitable for single-effect, unipolar and single-stage seawater desalination systems, and is also suitable for multi-effect, multipolar and multistage seawater desalination systems.
Further, the seawater desalination system is suitable for single-stage flash evaporation and also suitable for multi-stage flash evaporation.
The utility model discloses on the basis that fresh water was prepared to traditional flash distillation technology, combine lithium bromide absorption formula waste heat recovery technique, when realizing sea water desalination, furthest's recovery produced the waste heat in the fresh water, can also prepare the required heat source steam of flash distillation technology, very big reduction sea water desalination's energy resource consumption, realized the multistage utilization of the energy, improved energy utilization efficiency, realized energy saving and emission reduction.
Drawings
FIG. 1 is a structural diagram of a lithium bromide waste heat recovery type seawater desalination system of the present invention.
In the figure: 1. the system comprises a regenerator, 2 a condenser, 3 an absorber, 4 an evaporator, 5 a heat exchanger, 6 a concentrated solution pump, 7 a cold-stage pump, 8 a refrigerant recirculating pump, 9 a condensate pump, 10 a flash tank, 11 a flash chamber, 12 a vacuumizing device, 13 a seawater inlet pipeline, 14 a seawater outlet pipeline, 15 an exhaust steam outlet pipeline, 16 a fresh water outlet pipeline, 17 a steam outlet pipeline, 18 a steam inlet pipeline, 19 a cooling water inlet pipeline and 20 a cooling water outlet pipeline.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples, but the present invention is not limited to the specific examples.
As shown in figure 1, a lithium bromide waste heat recovery type seawater desalination system comprises a regenerator 1, a condenser 2, an absorber 3, an evaporator 4, a heat exchanger 5, a concentrated solution pump 6, a refrigerant pump 7, a refrigerant recirculating pump 8 and a flash chamber 11, wherein the regenerator 1, the absorber 3 and the heat exchanger 5 are sequentially connected through pipelines to form a lithium bromide solution circulating pipeline, the condenser 2 and the evaporator 4 are connected through pipelines to form a refrigerant water circulating pipeline, the condenser 2 is respectively connected with a cooling water inlet pipeline 19 and a cooling water outlet pipeline 20, the flash chamber 11 is respectively connected with a seawater inlet pipeline 13, a seawater outlet pipeline 14 and an exhaust steam outlet pipeline 15, the exhaust steam outlet pipeline 15 of the flash chamber is respectively connected to the evaporator 4 and the regenerator 1, the exhaust steam condensate outlet pipeline connected with the evaporator 4 is crossed with the exhaust steam condensate outlet pipeline connected with the regenerator 1, one path of the pipeline after intersection is connected to a fresh water outlet pipeline 16, the other path is connected to the absorber 3 through a condensate pump 9, a hot water outlet pipeline connected with the absorber 3 is connected to the flash tank 10, a steam outlet pipeline 17 of the flash tank 10 is connected to the flash chamber 11, the flash chamber 11 is also connected with a steam inlet pipeline 18 for supplementing steam, and the flash chamber 11 is provided with an air extractor 12 for maintaining the vacuum state of the flash chamber 11.
The seawater desalination system is suitable for single-effect, unipolar and single-stage seawater desalination systems, and is also suitable for multi-effect, multipolar and multistage seawater desalination systems.
The seawater desalination system is suitable for single-stage flash evaporation and also suitable for multi-stage flash evaporation.
The utility model discloses lithium bromide waste heat recovery type sea water desalination's application process does: the absorber 3, the regenerator 1 and the heat exchanger 5 are lithium bromide solution circulation, namely, a lithium bromide dilute solution from the absorber 3 enters the heat exchanger 5 through a pipeline to obtain partial heat of a lithium bromide concentrated solution, then enters the regenerator 1 through a pipeline, and is heated by partial exhaust steam led out from the flash chamber 11 to become the lithium bromide concentrated solution, the lithium bromide concentrated solution enters the heat exchanger 5 through a concentrated solution pump 6, partial heat is transferred to the lithium bromide dilute solution and then returns to the absorber 3, the concentrated solution absorbs refrigerant steam in the evaporator 4 to become a dilute solution, the evaporator 4 and the condenser 2 are refrigerant water circulation, refrigerant water from the condenser 2 enters the evaporator 4 through a refrigerant pump 7 after throttling and reducing pressure, refrigerant water in the evaporator 1 is dripped on the upper part of the evaporator 1, and the heat of the exhaust steam led out from the flash chamber 11 at the other part flowing in a pipe of the evaporator 4 is evaporated and absorbed, the part of the dead steam is condensed into fresh water, then the fresh water is converged with the condensed fresh water of the dead steam in the regenerator 1, one part of the fresh water is delivered to the outside, one part of the fresh water is pressurized by a condensate pump 9 and then enters an absorber 3 to be heated into hot water, the hot water is flashed into steam by a flash tank 10, the steam and supplemented steam enter a flash chamber 11 again, and the seawater entering the flash chamber 11 is reheated. Seawater enters a flash evaporation chamber 11 and is heated by steam from an absorber 3, under a certain vacuum degree, dead steam and seawater with larger concentration are generated by flash evaporation, the seawater with larger concentration is directly discharged, the dead steam respectively enters an evaporator 4 and a regenerator 1, so that circulation is realized, cooling water enters a condenser 2 and is discharged after being condensed, and meanwhile, in order to ensure that the refrigerant is fully evaporated in the evaporator 4, a refrigerant recirculating pump 8 is arranged at the bottom of the evaporator 4.
In order to ensure normal transportation of the condensed fresh water, a condensate pump 9 is arranged, and meanwhile, due to the strong corrosivity of the condensate, the associated pipelines, water tanks and the like are made of stainless steel.
The utility model discloses on the basis of fresh water is prepared to traditional flash distillation technology, combine lithium bromide absorption formula waste heat recovery technique, the evaporimeter, the exhaust steam waste heat that produces in the regenerator recovery flash chamber, exhaust steam is at the evaporimeter, after releasing heat in the regenerator, condense into fresh water, partly outwards exports by the pipeline, another part gets into the absorber in proper order, heated in the flash tank, the flash is steam, carry as its drive heat source in the flash chamber, when realizing sea water desalination, furthest's recovery has prepared the waste heat that produces in the fresh water, can also prepare the required heat source steam of flash distillation technology, very big reduction sea water desalination's energy resource consumption, the multistage utilization of the energy has been realized, energy utilization efficiency is improved, energy saving and emission reduction has been realized.
The above description is further detailed in connection with the preferred embodiments of the present invention, and it is not intended that the specific embodiments of the present invention be limited to these descriptions. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses a under the prerequisite of the design, can also make simple deduction and replacement, all should regard as the utility model discloses a protection scope.
Claims (5)
1. The utility model provides a lithium bromide waste heat recovery type sea water desalination, includes regenerator, condenser, absorber, evaporimeter, heat exchanger, concentrated solution pump, cryogen recirculating pump and flash chamber, regenerator, absorber and heat exchanger connect gradually through the pipeline and constitute lithium bromide solution circulation pipeline, condenser and evaporimeter pass through the tube coupling and constitute cryogen water circulation pipeline, cooling water inlet pipeline and cooling water outlet pipeline are connected respectively to the condenser, seawater inlet pipeline, sea water outlet pipeline and exhaust steam outlet pipeline are connected respectively to the flash chamber, its characterized in that: the waste steam outlet pipeline of the flash evaporation chamber is divided into two paths which are respectively connected to the evaporator and the regenerator, the waste steam condensate outlet pipeline connected with the evaporator and the waste steam condensate outlet pipeline connected with the regenerator are converged, one path of the converged pipeline is connected to the fresh water outlet pipeline, the other path of the converged pipeline is connected to the absorber through the condensate pump, the hot water outlet pipeline connected with the absorber is connected to the flash evaporation tank, and the steam outlet pipeline of the flash evaporation tank is connected to the flash evaporation chamber.
2. The lithium bromide waste heat recovery type seawater desalination system of claim 1, which is characterized in that: the flash chamber is also connected with a steam inlet pipeline for supplementing steam.
3. The lithium bromide waste heat recovery type seawater desalination system of claim 1, which is characterized in that: the flash chamber is provided with an air extractor.
4. The lithium bromide waste heat recovery type seawater desalination system according to any one of claims 1 to 3, characterized in that: the seawater desalination system is suitable for single-effect type, unipolar type and single-stage type seawater desalination systems, and is also suitable for multi-effect type, multipolar type and multi-stage type seawater desalination systems.
5. The lithium bromide waste heat recovery type seawater desalination system according to any one of claims 1 to 3, characterized in that: the seawater desalination system is suitable for single-stage flash evaporation and also suitable for multi-stage flash evaporation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120814709.0U CN215288064U (en) | 2021-04-21 | 2021-04-21 | Lithium bromide waste heat recovery type sea water desalination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120814709.0U CN215288064U (en) | 2021-04-21 | 2021-04-21 | Lithium bromide waste heat recovery type sea water desalination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215288064U true CN215288064U (en) | 2021-12-24 |
Family
ID=79537386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120814709.0U Active CN215288064U (en) | 2021-04-21 | 2021-04-21 | Lithium bromide waste heat recovery type sea water desalination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215288064U (en) |
-
2021
- 2021-04-21 CN CN202120814709.0U patent/CN215288064U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102287957B (en) | Open absorption heat pump | |
| CN102997483A (en) | Direct-burning lithium bromide absorbing cold hot water unit capable of recycling smoke waste heat | |
| CN102997482A (en) | Direct-fired lithium bromide absorption cold-hot water unit for recovering flue gas waste heat under heating working condition | |
| CN109855151B (en) | Geothermal heating system combining absorption heat pump with vacuum flash evaporation | |
| CN202304063U (en) | Open type absorption heat pump | |
| CN113587187A (en) | Flue gas waste heat recycling system and method | |
| CN203011002U (en) | Direct-fired lithium bromide absorption type heating and refrigerating unit with smoke valve and used for recovering smoke waste heat | |
| CN113932474A (en) | Heat pump multiple-effect evaporation coupling type water treatment system and working method thereof | |
| CN113310246A (en) | Wine condensation heat energy comprehensive utilization system and heat energy comprehensive utilization method | |
| CN203010995U (en) | Direct-fired lithium bromide absorption type cold and hot water unit for recovering flue gas waste heat | |
| CN215288064U (en) | Lithium bromide waste heat recovery type sea water desalination | |
| EP2549205A2 (en) | Triple-effect vapor absorption refrigeration system | |
| CN111392791A (en) | Multi-effect distillation seawater desalination system combined with heat pump | |
| CN204513850U (en) | Power plant's heat energy refrigerator | |
| CN205316748U (en) | Compound heat pump hydrothermal coproduction device | |
| CN212425487U (en) | MED seawater desalination system using absorption heat pump coupled evaporator | |
| CN109059353B (en) | Waste heat recovery system and waste heat recovery process based on absorption heat pump | |
| CN211204490U (en) | Single-double effect composite evaporation-absorption two-section steam type first-class lithium bromide absorption heat pump unit | |
| CN103542592A (en) | Direct combustion type lithium bromide absorption cold and hot water unit with heat recycling function | |
| CN102997496A (en) | Direct-fired lithium bromide absorption cold-hot water unit provided with flue gas valves and used for recovering flue gas waste heat | |
| CN110567189B (en) | Vapor compression type absorption heat pump | |
| CN113970193A (en) | Distributed energy system for deep utilization of waste heat | |
| CN113958992A (en) | Biomass cogeneration flue gas waste heat recycling system and method | |
| CN220436820U (en) | Double-energy lithium bromide absorption refrigerating unit | |
| CN203336679U (en) | Heating system for low-temperature residual heat recovery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 116000 No. 117, 118, Huaihe West Road, Dalian Economic and Technological Development Zone, Liaoning Province (No. 10, Songlan Street) Patentee after: Bingshan Songyang Refrigeration (Dalian) Co.,Ltd. Address before: 116000 No. 117, 118, Huaihe West Road, Dalian Economic and Technological Development Zone, Liaoning Province (No. 10, Songlan Street) Patentee before: PANASONIC REFRIGERATION (DALIAN) CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |