CN103512264A - Lithium bromide flashing absorption type refrigerating machine - Google Patents
Lithium bromide flashing absorption type refrigerating machine Download PDFInfo
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- CN103512264A CN103512264A CN201310450059.6A CN201310450059A CN103512264A CN 103512264 A CN103512264 A CN 103512264A CN 201310450059 A CN201310450059 A CN 201310450059A CN 103512264 A CN103512264 A CN 103512264A
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- Prior art keywords
- absorber
- lithium bromide
- filter
- film separator
- pump
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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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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a lithium bromide flashing absorption type refrigerating machine which comprises an evaporator (1), an absorber (2), a compressor (3), an evaporator pump (4) and an absorber reflux pump (5). A membrane separation filter (6) is arranged outside the absorber (2), the membrane separation filter is provided with a liquid inlet, a liquid outlet and a water outlet, and the liquid inlet, the liquid outlet and the water outlet are connected with a dilute solution outlet of the absorber (2), a strong solution inlet of the absorber (2) and a water inlet of the evaporator (1) respectively. The lithium bromide flashing absorption type refrigerating machine further comprises a flash evaporator (10), a liquid inlet pipe of the flash evaporator (10) stretches into the position below the liquid level of the evaporator (1), and a gas outlet pipe of the flash evaporator (10) is connected to the position below the liquid level of the absorber (2) through a four-way part (14). One of the two remaining ports of the four-way part (14) is communicated with an interface active agent generator (12), and the other port is communicated with a negative pressure pump (13). According to the lithium bromide flashing absorption type refrigerating machine, daily operation cost is reduced, the cooling water amount is reduced, and electric energy consumed by the pump is lowered.
Description
Technical field
The invention belongs to refrigeration technology field, particularly a kind of lithium bromide flash distillation Absorption Refrigerator.
Background technology
Generally adopt at present direct-burning lithium bromide absorption cold-hot water assembing group, this unit when cooling condition direct combustion high pressure generator exhaust gas temperature 170 ℃ of left and right, when for thermal condition, direct combustion high pressure generator exhaust gas temperature is 155 ℃ of left and right, in flue gas, contain part water vapour simultaneously, water vapour saturation temperature is 57 ℃ of left and right, the sensible heat of this part flue gas and the condensation latent heat of water vapour can account for 10% of fuel combustion caloric value, directly discharge cannot utilize at present, cause the waste of a large amount of fume afterheats, produce the thermal pollution of discharge simultaneously.
Lithium-bromide absorption-type refrigerating machine has in the central air conditioner system that does not need to consume the advantage ， hotels such as a large amount of electric energy, market, office block and is able to a large amount of uses.But the weak point of existing lithium-bromide absorption-type refrigerating machine is: the concentrated use of bromize lithium dilute solution be the way of distillation, this will consume a large amount of heat energy, in order to obtain these heat energy, often will burn a large amount of coals or oil or gas; Bulky generator, condenser to be set simultaneously, boiler plant and boiler room or baroque direct combustion device that cost is very large also will be set; Because cooling water inflow increases, increase the capacity of cooling water pump, cooling tower.The present invention therefore.
Summary of the invention
The object of the invention is to provide a kind of lithium bromide flash distillation Absorption Refrigerator, well solved the technical problem that direct-burning lithium bromide absorption cold-hot water assembing group in prior art causes bulky, energy dissipation, need to increase the equipment such as cooling water pump, cooling tower.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of lithium bromide flash distillation Absorption Refrigerator, comprise evaporimeter, absorber, compressor, evaporimeter pump, absorber reflux pump, described absorber arranged outside film separator-filter, described film separator-filter has inlet, liquid outlet, delivery port, is connected respectively with the outlet of absorber weak solution, the import of absorber concentrated solution, evaporimeter water inlet; Described lithium-bromide absorption-type refrigerating machine also comprises flash vessel, and the feed liquor pipeline of described flash vessel stretches under evaporimeter liquid level, and described flash vessel outlet pipe is connected under absorber liquid level by four-way; Wherein in remaining two interfaces of four-way, one of them is communicated with interfacial activity agent generator; Another is communicated with negative pressure pump.
Preferred technical scheme is: described film separator-filter is reverse osmosis unit.
Preferred technical scheme is: described film separator-filter is electrodialysis plant.
Preferred technical scheme is: described film separator-filter is nanofiltration device.
Preferred technical scheme is: described film separator-filter is micro-filtration.
Preferred technical scheme is: described film separator-filter is ultrafiltration apparatus.
Preferred technical scheme is: described absorber arranged outside film separator-filter, and described film separator-filter has inlet, liquid outlet, delivery port, is connected respectively with the outlet of absorber weak solution, the import of absorber concentrated solution, evaporimeter water inlet; Described lithium-bromide absorption-type refrigerating machine also comprises flash vessel, and the feed liquor pipeline of described flash vessel stretches under evaporimeter liquid level, and described flash vessel outlet pipe is connected under absorber liquid level by four-way; Wherein in remaining two interfaces of four-way, one of them is communicated with interfacial activity agent generator; Another is communicated with negative pressure pump; Described film separator-filter is two or more any combined unit that is selected from reverse osmosis unit, electrodialysis plant, nanofiltration device, micro-filtration, ultrafiltration apparatus.
Preferred technical scheme is: described absorber arranged outside film separator-filter, and described film separator-filter has inlet, liquid outlet, delivery port, is connected respectively with the outlet of absorber weak solution, the import of absorber concentrated solution, evaporimeter water inlet; Described lithium-bromide absorption-type refrigerating machine also comprises flash vessel, and the feed liquor pipeline of described flash vessel stretches under evaporimeter liquid level, and described flash vessel outlet pipe is connected under absorber liquid level by four-way; Wherein in remaining two interfaces of four-way, one of them is communicated with interfacial activity agent generator; Another is communicated with negative pressure pump; Described film separator-filter is the combined unit of electrodialysis plant and reverse osmosis unit.
A kind of lithium bromide flash distillation Absorption Refrigerator, comprise evaporimeter, absorber, compressor, evaporimeter pump, absorber reflux pump, described absorber arranged outside film separator-filter, described film separator-filter has inlet, liquid outlet, delivery port, is connected respectively with the outlet of absorber weak solution, the import of absorber concentrated solution, evaporimeter water inlet; Described lithium-bromide absorption-type refrigerating machine also comprises flash vessel, and the feed liquor pipeline of described flash vessel stretches under evaporimeter liquid level, and described flash vessel outlet pipe is connected under absorber liquid level by four-way; Wherein in remaining two interfaces of four-way, one of them is communicated with interfacial activity agent generator; Another is communicated with negative pressure pump; Throttling pump is set on the outlet pipe of described flash vessel.Technical solution of the present invention has overcome deficiency of the prior art, and a kind of minimizing equipment is provided, and reduces investment outlay, and saves the lithium bromide flash distillation Absorption Refrigerator of the energy.
The invention has the beneficial effects as follows:
The energy-conservation environmental protection again of technical solution of the present invention, the energy of consumption greatly reduces, and the coal that do not reburn, oil firing, burning gas are free from environmental pollution.Technical solution of the present invention reduces cost, saved the strict direct combustion device of costly boiler room and boiler plant or structural requirement, bulky generator and condenser have been cancelled, dwindled the specification of cooling water pump and cooling tower, the investment of film separator-filter and above-mentioned apparatus ratio, only account for very fraction.Technical solution of the present invention day-to-day operation expense reduces, and cooling water inflow reduces, and pump consuming electric power declines, and has cancelled fireman or direct combustion operative employee, also no longer includes the consumption of in the past daily consumption of coal or oil gas.Technical solution of the present invention is easily safeguarded, and boiler or direct combustion device, steam conveying pipe, and flue is compared, and film separator-filter ground is safeguarded and is easier to and safety.
Between technical solution of the present invention evaporimeter and absorber, flash vessel is set, by flash vessel, makes the bromize lithium dilute solution evaporation of evaporimeter faster; Because the outlet pipe of flash vessel directly stretches under the liquid level of absorber, by negative pressure pump, control, making increases the speed that absorbs steam, can accelerate the assimilation effect of absorber.Film separator-filter described in the lithium-bromide solution of the high concentration in absorber can be the combined unit of reverse osmosis unit or electrodialysis plant or nanofiltration device or micro-filtration or ultrafiltration apparatus or two kinds of above separating and filtering devices in addition, as preferably, the device of available electrodialysis plant and reverse osmosis unit associating.The day-to-day operation expense of film separator-filter of the present invention reduces, and cooling water inflow reduces, and pump consuming electric power declines.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, be specifically described:
Fig. 1 is the structural representation of lithium bromide flash distillation Absorption Refrigerator of the present invention.
In figure: evaporimeter 1, absorber 2, compressor 3, evaporimeter pump 4, absorber reflux pump 5, film separator-filter 6, weak solution pump 7, concentrated solution pump 8, refrigerant pump 9, flash vessel 10, throttling pump 11, interfacial activity agent generator 12, negative pressure pump 13, four-way 14.
The specific embodiment
Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiment are not limited to limit the scope of the invention for the present invention is described.The implementation condition adopting in embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
Embodiment
As shown in Figure 1, this lithium bromide flash distillation Absorption Refrigerator, comprise evaporimeter 1, absorber 2, compressor 3, evaporimeter pump 4, absorber reflux pump 5, described absorber 2 arranged outside film separator-filters 6, described film separator-filter has inlet, liquid outlet, delivery port, is connected respectively with absorber 2 weak solution outlets, absorber 2 concentrated solution imports, evaporimeter 1 water inlet; Described lithium-bromide absorption-type refrigerating machine also comprises flash vessel 10, and the feed liquor pipeline of described flash vessel 10 stretches under evaporimeter 1 liquid level, and described flash vessel 10 outlet pipes are connected under absorber 2 liquid levels by four-way 14; Wherein in remaining two interfaces of four-way 14, one of them is communicated with interfacial activity agent generator 12; Another is communicated with negative pressure pump 13.Throttling pump 11 is set on the outlet pipe of described flash vessel 10.
Being connected to of wherein said film separator-filter 6 and other equipment: inlet is connected by the weak solution outlet of weak solution pump 7 and pipeline and absorber 2, liquid outlet is connected by the concentrated solution import of concentrated solution pump 8 and pipeline and absorber 2, and delivery port is connected with evaporimeter water inlet by refrigerant pump 9.Described film separator-filter 6 can be reverse osmosis unit, or electrodialysis plant, or nanofiltration device, or micro-filtration, or ultrafiltration apparatus, or the combined unit of two or more separating and filtering devices.
Described film separator-filter can be the combined unit that electrodialysis plant, reverse osmosis unit form.While evaporating operation, by flash vessel, make the bromize lithium dilute solution evaporation of evaporimeter faster; Because the outlet pipe of flash vessel directly stretches under the liquid level of absorber, by negative pressure pump, control, making increases the speed that absorbs steam, can accelerate the assimilation effect of absorber.
In interfacial activity agent generator, produce interfacial agent, by flash vessel outlet pipe, be communicated with flash vessel, to the interfacial agent that adds gas phase in flash vessel, can promote the double evaporation-cooling of flash vessel, directly act on the lithium-bromide solution surface that absorbs low concentration, can strengthen the tension force effect of interfacial agent, moisture in the lithium-bromide solution of low concentration is evaporated rapidly; The lithium-bromide solution that increases in addition high concentration in absorber absorbs the speed of steam, can accelerate the assimilation effect of absorber.Described interfacial agent is selected from the one or more kinds of any combination of isooctanol, octanol, enanthol or hexanol.
Above-mentioned example is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations that Spirit Essence is done according to the present invention or modification, within all should being encompassed in protection scope of the present invention.
Claims (9)
1. a lithium bromide flash distillation Absorption Refrigerator, comprise evaporimeter (1), absorber (2), compressor (3), evaporimeter pump (4), absorber reflux pump (5), it is characterized in that described absorber (2) arranged outside film separator-filter (6), described film separator-filter (6) has inlet, liquid outlet, delivery port, is connected respectively with the outlet of absorber (2) weak solution, absorber (2) concentrated solution import, evaporimeter (1) water inlet; Described lithium-bromide absorption-type refrigerating machine also comprises flash vessel (10), and the feed liquor pipeline of described flash vessel (10) stretches under evaporimeter (1) liquid level, and described flash vessel (10) outlet pipe is connected under absorber (2) liquid level by four-way (14); Wherein in remaining two interfaces of four-way (14), one of them is communicated with interfacial activity agent generator (12); Another is communicated with negative pressure pump (13).
2. lithium bromide flash distillation Absorption Refrigerator according to claim 1, is characterized in that described film separator-filter is reverse osmosis unit.
3. lithium bromide flash distillation Absorption Refrigerator according to claim 1, is characterized in that described film separator-filter is electrodialysis plant.
4. lithium bromide flash distillation Absorption Refrigerator according to claim 1, is characterized in that described film separator-filter is nanofiltration device.
5. lithium bromide flash distillation Absorption Refrigerator according to claim 1, is characterized in that described film separator-filter is micro-filtration.
6. lithium bromide flash distillation Absorption Refrigerator according to claim 1, is characterized in that described film separator-filter is ultrafiltration apparatus.
7. lithium bromide flash distillation Absorption Refrigerator according to claim 1, is characterized in that described film separator-filter is two or more the combined unit that is selected from reverse osmosis unit, electrodialysis plant, nanofiltration device, micro-filtration, ultrafiltration apparatus.
8. lithium bromide flash distillation Absorption Refrigerator according to claim 7, is characterized in that described film separator-filter is the combined unit of electrodialysis plant and reverse osmosis unit.
9. lithium bromide flash distillation Absorption Refrigerator according to claim 1, is characterized in that, on the outlet pipe of described flash vessel (10), throttling pump (11) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450059.6A CN103512264A (en) | 2013-09-28 | 2013-09-28 | Lithium bromide flashing absorption type refrigerating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450059.6A CN103512264A (en) | 2013-09-28 | 2013-09-28 | Lithium bromide flashing absorption type refrigerating machine |
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| Publication Number | Publication Date |
|---|---|
| CN103512264A true CN103512264A (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310450059.6A Pending CN103512264A (en) | 2013-09-28 | 2013-09-28 | Lithium bromide flashing absorption type refrigerating machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792059A (en) * | 2015-04-09 | 2015-07-22 | 南京理工大学 | Reborn absorption cooling system based on regional concentration differences between electrode couples |
| CN109612158A (en) * | 2018-11-26 | 2019-04-12 | 江苏科技大学 | A kind of compression combined formula high temperature heat pump system of lithium bromide absorption and working method |
| CN110657602A (en) * | 2019-04-27 | 2020-01-07 | 哈尔滨工大金涛科技股份有限公司 | Waste water direct-feeding lithium bromide absorption heat pump unit |
| CN110657601A (en) * | 2019-04-01 | 2020-01-07 | 哈尔滨工大金涛科技股份有限公司 | Waste water direct-feeding lithium bromide absorption heat pump unit |
| CN111306836A (en) * | 2019-04-01 | 2020-06-19 | 哈尔滨工大金涛科技股份有限公司 | High-temperature wastewater lithium bromide absorption refrigeration all-in-one machine |
| US11035581B1 (en) * | 2020-12-29 | 2021-06-15 | Kuwait Institute For Scientific Research | Integrated desalination and air conditioning system |
-
2013
- 2013-09-28 CN CN201310450059.6A patent/CN103512264A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792059A (en) * | 2015-04-09 | 2015-07-22 | 南京理工大学 | Reborn absorption cooling system based on regional concentration differences between electrode couples |
| CN109612158A (en) * | 2018-11-26 | 2019-04-12 | 江苏科技大学 | A kind of compression combined formula high temperature heat pump system of lithium bromide absorption and working method |
| CN109612158B (en) * | 2018-11-26 | 2020-12-29 | 江苏科技大学 | Lithium bromide absorption and compression combined type high-temperature heat pump system and working method |
| CN110657601A (en) * | 2019-04-01 | 2020-01-07 | 哈尔滨工大金涛科技股份有限公司 | Waste water direct-feeding lithium bromide absorption heat pump unit |
| CN111306836A (en) * | 2019-04-01 | 2020-06-19 | 哈尔滨工大金涛科技股份有限公司 | High-temperature wastewater lithium bromide absorption refrigeration all-in-one machine |
| CN110657602A (en) * | 2019-04-27 | 2020-01-07 | 哈尔滨工大金涛科技股份有限公司 | Waste water direct-feeding lithium bromide absorption heat pump unit |
| US11035581B1 (en) * | 2020-12-29 | 2021-06-15 | Kuwait Institute For Scientific Research | Integrated desalination and air conditioning system |
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Application publication date: 20140115 |
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