CN106152594A - A kind of lithium-bromide solution generator based on vacuum heat collection pipe - Google Patents
A kind of lithium-bromide solution generator based on vacuum heat collection pipe Download PDFInfo
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- CN106152594A CN106152594A CN201510119107.2A CN201510119107A CN106152594A CN 106152594 A CN106152594 A CN 106152594A CN 201510119107 A CN201510119107 A CN 201510119107A CN 106152594 A CN106152594 A CN 106152594A
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- valve
- collection pipe
- vacuum heat
- heat collection
- lithium
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Sorption Type Refrigeration Machines (AREA)
Abstract
A kind of lithium-bromide solution generator based on vacuum heat collection pipe, is made up of vacuum heat collection pipe 1, liquid feed valve 2, liquid valve 3, steam valve 4, pressure controller 5 and time controller 6.Vacuum heat collection pipe uses glass-metal tubular construction, and the bottom of metal tube connects with liquid feed valve and liquid valve respectively, and top connects with steam valve；Steam valve is stressed the control of controller, and liquid feed valve and liquid valve are stressed the control of controller and time controller.In this lithium-bromide solution generator based on vacuum heat collection pipe, pressure and the temperature of solution are higher, achieve solar thermal collector and the integration of lithium-bromide solution generator, decrease intermediate heat transfer link, contribute to the simplification of system and the lifting of efficiency, accelerate the actual popularization and application of solar energy lithium-bromide absorption-type refrigerating machine.
Description
Present disclosure relates to a kind of utilizing solar energy as the lithium-bromide solution generator of thermal source, particularly relates to a kind of for suction-type lithium bromide
Refrigeration machine provides required water vapour and the lithium-bromide solution generator based on vacuum heat collection pipe of concentrated solution.
Background technology steps up along with energy shortage situation and environmental protection pressure, and solar energy lithium bromide absorbing type refrigeration is increasingly by people
Attention, domestic and international research institution the most gradually increases and deeply for the R&D work that solar energy Lithium Bromide-water Absorption is carried out
Entering, certain basis has been laid in the application for solar energy Lithium Bromide-water Absorption.During solar energy lithium bromide absorbing type refrigeration belongs to
The category of low-temperature solar energy heat utilization, it utilizes solar energy heat collection equipment to obtain the heating agent (low-grade energy) of uniform temperature, as molten
The thermal source of liquid generator drives Absorption Refrigerator, thus produces temperature required coolant (high-grade energy), is solar thermal utilization
A kind of more advanced technology in field.
In the technical scheme of existing solar energy lithium-bromide absorption-type refrigerating machine, solar thermal collection system and refrigeration system with lithium bromide absorption
Being typically separate, centre utilizes a heat exchanger they to be coupled, after i.e. water heats in solar thermal collector, and quilt
Delivering to inside a heat exchanger being placed in generator, lithium-bromide solution in heating generator also makes it produce water vapour, the dilutest molten
Liquid becomes concentrated solution.If can solar thermal collector and solution generator be combined, lithium-bromide solution is allowed to be directly entered vacuum collection
Heat pipe heat absorption vaporization, it is thus achieved that required water vapour and concentrated solution, then can realize the integration of solar thermal collector and solution generator, subtract
Few Intermediate Heat Exchanger and heat transfer temperature difference thereof, contribute to the simplification of system and the lifting of efficiency.
Summary of the invention in view of this, present invention is primarily targeted at provide a kind of for solar energy lithium-bromide absorption-type refrigerating machine service based on vacuum
The lithium-bromide solution generator of thermal-collecting tube, vacuum heat collection pipe is solar thermal collector, is again lithium-bromide solution generator simultaneously, passes through
The technical program, it is possible to achieve solar thermal collector and the integration of solution generator, reduces intermediate heat transfer link, contributes to system
Simplify and the lifting of efficiency, accelerate the actual popularization and application of solar energy lithium-bromide absorption-type refrigerating machine.
In order to achieve the above object, the technical scheme is that and be achieved in that: a kind of lithium-bromide solution based on vacuum heat collection pipe sends out
Raw device, is made up of vacuum heat collection pipe, liquid feed valve, liquid valve, steam valve, pressure controller and time controller, and vacuum heat collection pipe is adopted
Using glass-metal tubular construction, the bottom of metal tube connects with liquid feed valve and liquid valve respectively, and top connects with steam valve；Steam valve is subject to
The control of pressure controller, liquid feed valve and liquid valve are stressed the control of controller and time controller；Lithium bromide weak solution is from vacuum collection
Liquid feed valve bottom heat pipe enters, heat absorption vaporization in vacuum heat collection pipe, and pressure raises；Open when pressure reaches the setting of pressure controller
During valve pressure, steam valve is opened, and the pressure of lithium bromide weak solution reduces and produces a large amount of water vapour, and weak solution becomes concentrated solution simultaneously；
Along with water vapour is sent from the steam valve of top, pressure declines, when valve pressure is closed in the setting that pressure drops to pressure controller, and steam
Valve cuts out, and opens liquid valve simultaneously, and concentrated solution then flows out from liquid valve；Time controller time-delay closing liquid valve, opens feed liquor simultaneously
Valve supplements weak solution to vacuum heat collection pipe；Time controller time-delay closing liquid feed valve stops feed liquor, enters the next working cycle.
The present invention has the advantage that and good effect compared with known technology: be somebody's turn to do in lithium-bromide solution generator based on vacuum heat collection pipe
Pressure and the temperature of solution are higher, and decrease a heat exchanger for heating agent and solution heat exchange and heat transfer temperature difference thereof, can improve too
The COP value of sun energy lithium-bromide absorption-type refrigerating machine, simplifies the composition of solar energy lithium-bromide absorption-type refrigerating machine.
Appended drawings 1 is lithium-bromide solution generator architecture schematic diagram based on vacuum heat collection pipe.
The present invention provides a kind of lithium-bromide solution generator based on vacuum heat collection pipe, by vacuum heat collection pipe 1, liquid feed valve 2, liquid valve
3, steam valve 4, pressure controller 5 and time controller 6 form, and vacuum heat collection pipe 1 uses glass-metal tubular construction, metal tube
Bottom connect with liquid feed valve 2 and liquid valve 3 respectively, top connects with steam valve 4；Steam valve 4 is stressed the control of controller 5,
Liquid feed valve 2 and liquid valve 3 are stressed controller 5 and the control of time controller 6.Should send out by lithium-bromide solution based on vacuum heat collection pipe
The work process of raw device is: lithium bromide weak solution liquid feed valve 2 bottom vacuum heat collection pipe 1 enters, 1 heat absorption in vacuum heat collection pipe
Vaporization, pressure raises；When pressure reaches the setting cracking pressure of pressure controller 5, steam valve 4 is opened, lithium bromide weak solution
Pressure reduces and produces a large amount of water vapour, and weak solution becomes concentrated solution simultaneously；Along with water vapour is sent from the steam valve 4 of top, pressure
Declining, when valve pressure is closed in the setting that pressure drops to pressure controller 5, steam valve 4 cuts out, and opens liquid valve 3 simultaneously, dense molten
Liquid then flows out from liquid valve 3；Time controller 6 time-delay closing liquid valve 3, opens liquid feed valve 2 simultaneously and supplements to vacuum heat collection pipe 1
Weak solution；Time controller 6 time-delay closing liquid feed valve 2 stops feed liquor, enters the next working cycle.
Detailed description of the invention
Embodiment 1: by accompanying drawing illustrate described in main points design, process and be assembled into a stylobate in the lithium-bromide solution generator of vacuum heat collection pipe, its design
The yield of water vapour is 25g/h.It is somebody's turn to do lithium-bromide solution generator based on vacuum heat collection pipe, by vacuum heat collection pipe 1, liquid feed valve 2, goes out
Liquid valve 3, steam valve 4, pressure controller 5 and time controller 6 form, and its work process is: lithium bromide weak solution is from vacuum collection
Liquid feed valve bottom heat pipe enters, heat absorption vaporization in vacuum heat collection pipe, and pressure raises；Open when pressure reaches the setting of pressure controller
During valve pressure, steam valve is opened, and the pressure of lithium bromide weak solution reduces and produces a large amount of water vapour, and weak solution becomes concentrated solution simultaneously；
Along with water vapour is sent from the steam valve of top, pressure declines, when valve pressure is closed in the setting that pressure drops to pressure controller, and steam
Valve cuts out, and opens liquid valve simultaneously, and concentrated solution then flows out from liquid valve；Time controller time-delay closing liquid valve, opens feed liquor simultaneously
Valve supplements weak solution to vacuum heat collection pipe；Time controller time-delay closing liquid feed valve stops feed liquor, enters the next working cycle.This base
Lithium-bromide solution generator in vacuum heat collection pipe uses 1 vacuum heat collection pipe, and the maximum temperature of lithium-bromide solution can reach 116 DEG C,
The yield of water vapour is up to 31g/h, and the overall thermal efficiency of generator is up to 51%.
Embodiment 2: by accompanying drawing illustrate described in main points design, process and be assembled into a stylobate in the lithium-bromide solution generator of vacuum heat collection pipe, its design
The yield of water vapour is 500g/h.Should lithium-bromide solution generator based on vacuum heat collection pipe, by vacuum heat collection pipe 1, liquid feed valve 2,
Liquid valve 3, steam valve 4, pressure controller 5 and time controller 6 form, and its work process is: lithium bromide weak solution is from vacuum
Liquid feed valve bottom thermal-collecting tube enters, heat absorption vaporization in vacuum heat collection pipe, and pressure raises；When pressure reaches the setting of pressure controller
During cracking pressure, steam valve is opened, and the pressure of lithium bromide weak solution reduces and produces a large amount of water vapour, and weak solution becomes concentrated solution simultaneously；
Along with water vapour is sent from the steam valve of top, pressure declines, when valve pressure is closed in the setting that pressure drops to pressure controller, and steam
Valve cuts out, and opens liquid valve simultaneously, and concentrated solution then flows out from liquid valve；Time controller time-delay closing liquid valve, opens feed liquor simultaneously
Valve supplements weak solution to vacuum heat collection pipe；Time controller time-delay closing liquid feed valve stops feed liquor, enters the next working cycle.This base
In vacuum heat collection pipe lithium-bromide solution generator use 20 vacuum heat collection pipe parallel operations, the maximum temperature of lithium-bromide solution up to
To 122 DEG C, the yield of water vapour is up to 565g/h, and the overall thermal efficiency of generator is up to 58%.
Embodiment 3: by accompanying drawing illustrate described in main points design, process and be assembled into a stylobate in the lithium-bromide solution generator of vacuum heat collection pipe, its design
The yield of water vapour is 1000g/h.Should lithium-bromide solution generator based on vacuum heat collection pipe, by vacuum heat collection pipe 1, liquid feed valve 2,
Liquid valve 3, steam valve 4, pressure controller 5 and time controller 6 form, and its work process is: lithium bromide weak solution is from vacuum
Liquid feed valve bottom thermal-collecting tube enters, heat absorption vaporization in vacuum heat collection pipe, and pressure raises；When pressure reaches the setting of pressure controller
During cracking pressure, steam valve is opened, and the pressure of lithium bromide weak solution reduces and produces a large amount of water vapour, and weak solution becomes concentrated solution simultaneously；
Along with water vapour is sent from the steam valve of top, pressure declines, when valve pressure is closed in the setting that pressure drops to pressure controller, and steam
Valve cuts out, and opens liquid valve simultaneously, and concentrated solution then flows out from liquid valve；Time controller time-delay closing liquid valve, opens feed liquor simultaneously
Valve supplements weak solution to vacuum heat collection pipe；Time controller time-delay closing liquid feed valve stops feed liquor, enters the next working cycle.This base
Lithium-bromide solution generator in vacuum heat collection pipe uses 40 vacuum heat collection pipes, and the maximum temperature of lithium-bromide solution can reach 128 DEG C,
The yield of water vapour is up to 1126g/h, and the overall thermal efficiency of generator is up to 56%.
Claims (5)
1. a lithium-bromide solution generator based on vacuum heat collection pipe, by vacuum heat collection pipe, liquid feed valve, liquid valve, steam valve, pressure controller and
Time controller forms, and it is characterized in that: vacuum heat collection pipe uses glass-metal tubular construction, the bottom of metal tube respectively with liquid feed valve and go out liquid
Valve connects, and top connects with steam valve.
Lithium-bromide solution generator based on vacuum heat collection pipe the most according to claim 1, is characterized in that: steam valve is stressed the control of controller,
Liquid feed valve and liquid valve are stressed the control of controller and time controller.
Lithium-bromide solution generator based on vacuum heat collection pipe the most according to claim 1, is characterized in that: the operating pressure of pressure controller and time
Between the delay time of controller can be adjusted as required and set.
Lithium-bromide solution generator based on vacuum heat collection pipe the most according to claim 1, is characterized in that: vacuum heat collection pipe can single work,
Can also many parallel operations.
Lithium-bromide solution generator based on vacuum heat collection pipe the most according to claim 1, is characterized in that: lithium bromide weak solution is from vacuum heat collection pipe
The liquid feed valve of bottom enters, heat absorption vaporization in vacuum heat collection pipe, and pressure raises；When pressure reaches the setting cracking pressure of pressure controller,
Steam valve is opened, and the pressure of lithium bromide weak solution reduces and produces water vapour, and weak solution becomes concentrated solution simultaneously；Along with water vapour is from top
Steam valve is sent, and pressure declines, and when valve pressure is closed in the setting that pressure drops to pressure controller, steam valve cuts out, opens liquid valve simultaneously,
Concentrated solution then flows out from liquid valve；Time controller time-delay closing liquid valve, opens liquid feed valve simultaneously and supplements weak solution to vacuum heat collection pipe；Time
Between delaying time of controller close liquid feed valve and stop feed liquor, enter the next working cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510119107.2A CN106152594A (en) | 2015-03-13 | 2015-03-13 | A kind of lithium-bromide solution generator based on vacuum heat collection pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510119107.2A CN106152594A (en) | 2015-03-13 | 2015-03-13 | A kind of lithium-bromide solution generator based on vacuum heat collection pipe |
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| CN106152594A true CN106152594A (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510119107.2A Pending CN106152594A (en) | 2015-03-13 | 2015-03-13 | A kind of lithium-bromide solution generator based on vacuum heat collection pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107137944A (en) * | 2017-06-27 | 2017-09-08 | 广东工业大学 | A kind of hygroscopic solution regenerative system |
| CN108758875A (en) * | 2018-06-15 | 2018-11-06 | 广东工业大学 | A kind of hygroscopic solution regenerative system |
Citations (6)
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|---|---|---|---|---|
| JPS53131542A (en) * | 1977-04-20 | 1978-11-16 | Matsushita Electric Ind Co Ltd | Solar-heat cooling device |
| JPH11351696A (en) * | 1998-06-11 | 1999-12-24 | Mitsubishi Heavy Ind Ltd | Heat exchanger, regenerator, and absorption refrigerating machine |
| CN2434619Y (en) * | 2000-06-28 | 2001-06-13 | 胡文胜 | Solar collecting and refrigerating generator |
| CN201170674Y (en) * | 2008-02-29 | 2008-12-24 | 深圳市建筑科学研究院有限公司 | Solar solution regenerator |
| CN101334202A (en) * | 2008-07-18 | 2008-12-31 | 施文峰 | Multi-purpose solar air conditioner |
| CN201407762Y (en) * | 2008-12-02 | 2010-02-17 | 刘应江 | Directly-generating solar energy air conditioning system |
-
2015
- 2015-03-13 CN CN201510119107.2A patent/CN106152594A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53131542A (en) * | 1977-04-20 | 1978-11-16 | Matsushita Electric Ind Co Ltd | Solar-heat cooling device |
| JPH11351696A (en) * | 1998-06-11 | 1999-12-24 | Mitsubishi Heavy Ind Ltd | Heat exchanger, regenerator, and absorption refrigerating machine |
| CN2434619Y (en) * | 2000-06-28 | 2001-06-13 | 胡文胜 | Solar collecting and refrigerating generator |
| CN201170674Y (en) * | 2008-02-29 | 2008-12-24 | 深圳市建筑科学研究院有限公司 | Solar solution regenerator |
| CN101334202A (en) * | 2008-07-18 | 2008-12-31 | 施文峰 | Multi-purpose solar air conditioner |
| CN201407762Y (en) * | 2008-12-02 | 2010-02-17 | 刘应江 | Directly-generating solar energy air conditioning system |
Non-Patent Citations (1)
| Title |
|---|
| 刘定平: "《核电厂安全与管理》", 31 August 2013, 华南理工大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107137944A (en) * | 2017-06-27 | 2017-09-08 | 广东工业大学 | A kind of hygroscopic solution regenerative system |
| CN108758875A (en) * | 2018-06-15 | 2018-11-06 | 广东工业大学 | A kind of hygroscopic solution regenerative system |
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Application publication date: 20161123 |