CN105423594B - Fume hot-water type lithium bromide absorption cold, the Hot water units of heating normal temperature smoke evacuation - Google Patents
Fume hot-water type lithium bromide absorption cold, the Hot water units of heating normal temperature smoke evacuation Download PDFInfo
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- CN105423594B CN105423594B CN201510985469.XA CN201510985469A CN105423594B CN 105423594 B CN105423594 B CN 105423594B CN 201510985469 A CN201510985469 A CN 201510985469A CN 105423594 B CN105423594 B CN 105423594B
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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
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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Abstract
The present invention relates to a kind of fume hot-water type lithium bromide absorption cold of heating normal temperature smoke evacuation, Hot water units, it is characterised in that：The unit adds flue gas heat-exchange unit（18）, flash vessel（19）, heating absorber（20）, heating solution heat exchanger（21）With heating cryogenic fluid pump（22）, in hot water or cold water's inlet tube of unit（15）On set up hot water line all the way, the road hot water enter heating absorber（20）In heat exchanger tube；In the solution pump discharge pipe of unit（12）On set up weak solution pipeline all the way, the road weak solution is through heating solution heat exchanger（21）Cooling enters heating absorber（20）Spray；In the evaporator liquid capsule of unit（14）On set up all the way cryogenic coolant water supplement pipeline（24）, the road water as refrigerant enter flash vessel liquid capsule（26）It is used as cryogenic coolant water moisturizing.Unit exhaust gas temperature of the present invention is greatly reduced, and improves whole system comprehensive utilization of energy rate, reduces thermal pollution of the smoke evacuation to environment.
Description
Technical field
The present invention relates to a kind of fume hot-water type lithium bromide absorption cold, Hot water units.Belong to air conditioner technical field.
Background technology
Discharged at present in the generating of Distribution of Natural formula and Industrial Stoves application field, jet dynamic control and Industrial Stoves
Flue-gas temperature is higher（400 DEG C or so）, discharge fume the heat taken away and its account for energy-output ratio ratio it is larger, to recycle
The waste heat and heat source water of flue gas（That is engine high-temperature cooling water）Waste heat, some occasions are just in popularization and application fume hot-water type bromine
Change lithium-absorbing formula hot water or cold water's machine set technology, to improve comprehensive utilization of energy rate, reduce environmental pollution.
Fume hot-water type lithium bromide absorption cold, Hot water units be within the discharge of the external device (ED) such as fuel engine power generation unit height
Warm flue gas and heat source water are as driving heat source, and water is that refrigerant, lithium bromide water solution are absorbent, under vacuum conditions alternately or
Person produces air adjustment or technique cold water, the equipment of hot water simultaneously.Fume hot-water type lithium bromide absorption cold (heat) water dispenser group
As shown in figure 1, by flue gas high pressure generator 1, thermal source water generator 17, low pressure generator 9, condenser 8, evaporator 5, absorber
4th, cryogenic fluid heat exchanger 3, high-temperature solution heat exchanger 2, heating concentrated solution switching valve 10, heating refrigerant vapour switching valve
11st, solution pump 6, cryogenic fluid pump 7, valve and control system（Not shown in figure）And the pipeline of connecting components is constituted.Unit exists
When heating operating mode is run, heating concentrated solution switching valve 10 and heating refrigerant vapour switching valve 11 are opened, cryogenic fluid pump 7, external system
Thermal source water pump and cooling water pump stop, and the low-temperature water heating come from air-conditioning heating user enters in the heat exchanger tube of evaporator 5, by heat exchanger tube
The heat of condensation heating for the cryogen water vapour that the heat dilute solution of outer surface flue gas high pressure generator 1 is produced, is sent to after temperature rise
Heating user, the concentrated solution after the concentration of flue gas high pressure generator 1, which enters to mix with the water as refrigerant after condensation in absorber 4, becomes dilute
Solution, is sent to flue gas high pressure generator 1 by solution pump 6 and is circulated and heated again.Due to the heating hot water water outlet produced
Temperature limiting, solution temperature is higher, causes exhaust gas temperature also higher, influences whole system comprehensive utilization of energy rate, such as heating water
Outlet temperature is at 60 DEG C, and flue gas high pressure generator exhaust gas temperature is at 145 DEG C or so, and whole system comprehensive utilization of energy rate is general
72% or so, particularly in cold winter, outdoor temperature is low, and chimney just emits white cigarette, both wastes the energy, and environment is polluted again.
How to find a kind of effectively reduction exhaust gas temperature, improve the simple flue gas heat of whole system comprehensive utilization of energy rate, unit operation
Water type lithium bromide absorption cold, Hot water units are as one of important topic studied at present.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided a kind of effectively reduction exhaust gas temperature, raising system energy are comprehensive
Close utilization rate, the simple fume hot-water type lithium bromide absorption cold of unit operation, Hot water units.
The object of the present invention is achieved like this：A kind of fume hot-water type lithium bromide absorption type cooling and heating of heating normal temperature smoke evacuation
Water dispenser group, including flue gas high pressure generator, thermal source water generator, low pressure generator, condenser, evaporator, absorber, low temperature are molten
Liquid heat exchanger and high-temperature solution heat exchanger, it is characterised in that：The unit adds flue gas heat-exchange unit, flash vessel, heating
Absorber, heating solution heat exchanger and heating cryogenic fluid pump, flue gas heat-exchange unit are arranged on flue gas high pressure generator smoke exhaust pipe, are dodged
Steaming device and heating absorber are arranged in same cavity, and are placed on the position higher than evaporator and absorber components, in unit
Hot water or cold water's inlet tube on set up hot water line all the way, the road hot water enters in heating absorber heat exchanging pipe, and in the hot-water line
Heating hot water switching valve is set on road, and this road hot water is in parallel with the water for entering evaporator, goes out heating absorber hot water access unit
Hot water or cold water outlet；Weak solution pipeline all the way is set up on the solution pump discharge pipe of unit, the road weak solution is through heating solution heat
Exchanger cooling enters heating absorber spray, and the setting heating weak solution switching valve on the weak solution pipeline, and heating absorbs
Weak solution is changed into the lower weak solution of concentration after absorbing cryogenic coolant steam in device, is handed over by height level pressure difference through heating solution heat
Parallel operation heating enters absorber cylinder body bottom；Cryogenic coolant water supplement pipeline all the way is set up in the evaporator liquid capsule of unit, should
Road water as refrigerant is used as cryogenic coolant water moisturizing into flash vessel liquid capsule；Heating cryogenic fluid pump beats cryogenic coolant water in flash vessel liquid capsule
Enter flue gas heat-exchange unit, the flue gas heat exchange that cryogenic coolant water comes out with flue gas high pressure generator, cryogenic coolant coolant-temperature gage rise enters
Flash vessel is flashed, and is discharged after the reduction of flue gas heat recovered temperature.
The beneficial effects of the invention are as follows：
The present invention creates low-temperature receiver one lower than smog discharge temperature, has not only reclaimed flue gas by above-mentioned flow
Sensible heat, also reclaimed the latent heat of water vapour in flue gas, exhaust gas temperature is down to normal temperature, whole system comprehensive utilization of energy rate is big
Width is improved.For example：Heating water outlet temperature is produced at 60 DEG C or so, flash vessel absorber cavity internal pressure is left in 25mmHg
The right side, the cryogen coolant-temperature gage into flue gas heat-exchange unit is at 26 DEG C or so, and the exhaust gas temperature of unit is reduced to less than 35 DEG C, with conventional cigarette
145 DEG C of gas hot-water type unit exhaust gas temperature is compared, the condensation of water vapour in the sensible heat and flue gas of many 110 DEG C of temperature difference of recovered flue gas
Water vapour accounting is bigger in heat, flue gas, and the heat of condensation of recovery is more, and whole system comprehensive utilization of energy rate is higher, simultaneously
The phenomenon that winter heating chimney emits white cigarette is prevented, has reduced thermal pollution of the smoke evacuation to environment, protect environment.And unit operation
Simply.
Brief description of the drawings
Fig. 1 is conventional fume hot-water type lithium bromide absorption cold, Hot water units heat supply schematic flow sheet.
The fume hot-water type lithium bromide absorption cold of Fig. 2 heating normal temperature smoke evacuations of the present invention, the signal of Hot water units heat supply flow
Figure.
Reference：
Flue gas high pressure generator 1
High-temperature solution heat exchanger 2
Cryogenic fluid heat exchanger 3
Absorber 4
Evaporator 5
Solution pump 6
Cryogenic fluid pump 7
Condenser 8
Low pressure generator 9
Heating concentrated solution switching valve 10
Heating refrigerant vapour switching valve 11
Solution pump discharge pipe 12
Absorber cylinder body bottom 13
Evaporator liquid capsule 14
Hot water or cold water's inlet tube 15
Hot water or cold water's outlet 16
Thermal source water generator 17
Flue gas heat-exchange unit 18
Flash vessel 19
Heating absorber 20
Heating heat exchanger 21
Heating cryogenic fluid pump 22
Heating weak solution switching valve 23
Cryogenic coolant water supplements pipeline 24
Heating hot water switching valve 25
Flash vessel liquid capsule 26.
Embodiment
As shown in Fig. 2 on the basis of conventional fume hot-water type lithium bromide absorption cold, Hot water units such as Fig. 1, being additionally arranged
Flue gas heat-exchange unit 18, flash vessel 19, heating absorber 20, heating solution heat exchanger 21 and heating cryogenic fluid pump 22, flue gas heat exchange
Device 18 is arranged on the smoke exhaust pipe of flue gas high pressure generator 1, and flash vessel 19 and heating absorber 20 are arranged in same cavity, and are put
Put in the position higher than evaporator 5 and the part of absorber 4, hot water line all the way set up on hot water or cold water's inlet tube 15 of unit,
The road hot water enters in the heat exchanger tube of heating absorber 20, and setting heating hot water switching valve 25, this road water on the hot water line
It is in parallel with the water for entering evaporator 5, go out the hot water or cold water outlet of the hot water of heating absorber 20 access unit；In the solution pump of unit
Weak solution pipeline all the way is set up on outlet 12, the road weak solution enters heating absorber through the cooling of heating solution heat exchanger 21
20 sprays, and heating weak solution switching valve 23 is set on the weak solution pipeline, this road solution is with entering flue gas high pressure generator 1
Weak solution it is in parallel.Weak solution is changed into the lower weak solution of concentration after absorbing cryogenic coolant steam in heating absorber 20, by height
Spend liquid level pressure difference and enter absorber cylinder body bottom 13 through the heating of heating solution heat exchanger 21；In the evaporator liquid capsule 14 of unit
Cryogenic coolant water supplement pipeline 24 all the way is set up, the road water as refrigerant is used as cryogenic coolant water moisturizing into flash vessel liquid capsule 26；Adopt
Cryogenic coolant water in flash vessel liquid capsule 26 is squeezed into after flue gas heat-exchange unit 18 heats up and flashed into flash vessel 19 by warm cryogenic fluid pump 22.Cigarette
Discharged after the reduction of gas heat recovery temperature.
When heating operating mode is run, conventional heating circulation process is still normally run, cryogenic fluid pump 7, external system heat source water
Pump and cooling water pump stop, and heating concentrated solution switching valve 10 and heating refrigerant vapour switching valve 11 are opened, and solution pump 6 starts, newly
The heating weak solution switching valve 23 and heating hot water switching valve 25 set up are opened, and heating cryogenic fluid pump 22 starts.From solution pump discharge
Weak solution is divided into two tunnels, and weak solution is concentrated into flue gas high pressure generator 1 all the way, and another road weak solution is through heating solution heat exchange
The cooling of device 21 enters heating absorber 20 and sprayed；The low-temperature water heating come from air-conditioning heating user is divided into two tunnels, all the way low-temperature water heating
Into in the heat exchanger tube of evaporator 5, the high temperature refrigerant vapour produced by the heat dilute solution of heat exchange pipe external surface flue gas high pressure generator 1
The heat of condensation heating, another road low-temperature water heating enter the heat exchanger tube of heating absorber 20 in, sprayed dilute molten in heat exchange pipe external surface
Liquid is absorbed from the heating of the cryogenic coolant steam liberated heat of flash vessel 19, and two-way hot water temperature rise, which is merged together, to be sent to
Heating user, the concentrated solution after flue gas high pressure generator 1 is concentrated enters the cryogen overflowed in absorber 4 and after the condensation of evaporator 5
Water mixing becomes weak solution in weak solution, heating absorber 20 and is changed into the lower weak solution of concentration after absorbing cryogenic coolant steam,
Enter absorber cylinder body bottom 13 through the heating of heating solution heat exchanger 21 by height level pressure difference to mix with weak solution in absorber 4
Close, solution pump 6 will wherein weak solution be sent to flue gas high pressure generator 1 and be circulated and heated again concentration all the way, by another road
Weak solution is sent to after heating solution heat exchanger 21 cools and circulates and absorb cryogenic coolant steam again into heating absorber 20.
Cryogenic coolant water in flash vessel liquid capsule 26 is squeezed into what flue gas heat-exchange unit 18 came out with flue gas high pressure generator 1 by heating cryogenic fluid pump 22
Flue gas heat exchange, is discharged after the reduction of flue gas heat recovered temperature, is entered after water as refrigerant heating in the relatively low cavity of flash vessel 19 of pressure
Shwoot is cryogenic coolant steam, and cryogenic coolant steam is absorbed by the solution sprayed outside the heat-transfer pipe of heating absorber 20, and heating is inhaled
Receiving the solution continuous absorption refrigerant vapour of device 20 makes cavity internal pressure be maintained at certain value, and flash distillation absorption process is with regard to constantly progress.Dodge
The water as refrigerant moisturizing of steaming device 19 is supplemented through cryogenic coolant water from evaporator liquid capsule 14 by the pressure differential between evaporator 5 and flash vessel 19 and managed
Road 24 enters flash vessel liquid capsule 26, constantly gives the moisturizing of flash vessel 19.
When cooling condition is run, by heating concentrated solution switching valve 10, heating refrigerant vapour switching valve 11, heating weak solution
Switching valve 23, the Close All of heating hot water switching valve 25, heating cryogenic fluid pump 22 stop, flue gas heat-exchange unit 18, flash vessel 19, heating
Absorber 20 and heating solution heat exchanger 21 stop circulation, and unit still presses conventional kind of refrigeration cycle process flow operation.
Flash vessel 19 and the housing of heating absorber 20 can be independently arranged in above scheme, by flash vessel 19 and can also be adopted
Warm absorber 20 is arranged in thermal source water generator 17, low pressure generator 9 and the housing of condenser 8, is separated with dividing plate between them,
Flash vessel 19 and heating absorber 20 are in same cavity, and thermal source water generator 17, low pressure generator 9 and condenser 8 are same
In cavity.
It can be single hop that above scheme, which is applied to evaporator 5, absorber 4,（Shown in figure）, can also be two sections or multistage,
Cooling water can be parallel-connection flow（Shown in figure）It can also be serial flow.
It can be single hop that above scheme, which is applied to condenser 8,（Shown in figure）, can also be two sections or multistage, condenser two
Thermal source water generator 17 is with low-temperature zone condenser in same cavity during section, and low pressure generator 9 is with high temperature section condenser same
In cavity.
Claims (5)
1. a kind of fume hot-water type lithium bromide absorption cold, the Hot water units of the smoke evacuation of heating normal temperature, including flue gas high pressure generator
（1）, thermal source water generator（17）, low pressure generator（9）, condenser（8）, evaporator（5）, absorber（4）, cryogenic fluid heat hand over
Parallel operation（3）And high-temperature solution heat exchanger（2）, it is characterised in that：The unit adds flue gas heat-exchange unit（18）, flash vessel
（19）, heating absorber（20）, heating solution heat exchanger（21）With heating cryogenic fluid pump（22）, flue gas heat-exchange unit（18）It is arranged on
Flue gas high pressure generator（1）On smoke exhaust pipe, flash vessel（19）With heating absorber（20）It is arranged in same cavity, and is placed on
Higher than evaporator（5）And absorber（4）The position of part, in hot water or cold water's inlet tube of unit（15）On set up hot-water line all the way
Road, the road hot water enters heating absorber（20）In heat exchanger tube, and the setting heating hot water switching valve on the hot water line（25）,
Go out heating absorber（20）The hot water or cold water outlet of hot water access unit；In the solution pump discharge pipe of unit（12）On set up all the way
Weak solution pipeline, the road weak solution is through heating solution heat exchanger（21）Cooling enters heating absorber（20）Spray, and at this
Heating weak solution switching valve is set on weak solution pipeline（23）, heating absorber（20）Interior weak solution is absorbed after cryogenic coolant steam
It is changed into the lower weak solution of concentration, by height level pressure difference through heating solution heat exchanger（21）Heating enters absorber cylinder bottom
Portion（13）；In the evaporator liquid capsule of unit（14）On set up all the way cryogenic coolant water supplement pipeline（24）, road water as refrigerant entrance
Flash vessel liquid capsule（26）It is used as cryogenic coolant water moisturizing；Heating cryogenic fluid pump（22）By flash vessel liquid capsule（26）Interior cryogenic coolant water is beaten
Enter flue gas heat-exchange unit（18）Enter flash vessel after heating（19）Flash distillation.
2. fume hot-water type lithium bromide absorption cold, the Hot water units of a kind of heating normal temperature smoke evacuation according to claim 1,
It is characterized in that：The unit flash vessel（19）With heating absorber（20）Housing is independently arranged, or by flash vessel（19）With adopt
Warm absorber（20）It is arranged on thermal source water generator（17）, low pressure generator（9）And condenser（8）Used in housing, between them
Dividing plate is separated, flash vessel（19）With heating absorber（20）It is arranged in same cavity, thermal source water generator（17）, low pressure occur
Device（9）And condenser（8）It is arranged in same cavity.
3. fume hot-water type lithium bromide absorption cold, the hot water machine of a kind of heating normal temperature smoke evacuation according to claim 1 or 2
Group, it is characterised in that：The evaporator of the unit（5）And absorber（4）It is single hop or multistage.
4. fume hot-water type lithium bromide absorption cold, the hot water machine of a kind of heating normal temperature smoke evacuation according to claim 1 or 2
Group, it is characterised in that：The cooling water of the unit is parallel-connection flow or serial flow.
5. fume hot-water type lithium bromide absorption cold, the hot water machine of a kind of heating normal temperature smoke evacuation according to claim 1 or 2
Group, it is characterised in that：The condenser of the unit（8）It is single hop or multistage, thermal source water generator during two sections of condenser（17）With
Low-temperature zone condenser is in same cavity, low pressure generator（9）With high temperature section condenser in same cavity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510985469.XA CN105423594B (en) | 2015-12-25 | 2015-12-25 | Fume hot-water type lithium bromide absorption cold, the Hot water units of heating normal temperature smoke evacuation |
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| CN201510985469.XA CN105423594B (en) | 2015-12-25 | 2015-12-25 | Fume hot-water type lithium bromide absorption cold, the Hot water units of heating normal temperature smoke evacuation |
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| CN105423594B true CN105423594B (en) | 2017-09-08 |
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| CN108489142B (en) * | 2018-04-09 | 2024-03-22 | 双良节能***股份有限公司 | Environment-friendly efficient direct-fired lithium bromide absorption type cold and hot water unit system |
| CN108362034B (en) * | 2018-04-09 | 2024-03-08 | 双良节能***股份有限公司 | Environment-friendly and efficient smoke type lithium bromide absorption type cold and hot water unit |
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| CN108518886B (en) * | 2018-04-09 | 2024-03-08 | 双良节能***股份有限公司 | White smoke-eliminating high-efficiency smoke hot water type lithium bromide absorption type cold and hot water unit |
| CN108507223B (en) * | 2018-04-09 | 2024-03-08 | 双良节能***股份有限公司 | White smoke eliminating efficient smoke type lithium bromide absorption type cold and hot water unit |
| CN111336714B (en) * | 2019-08-30 | 2024-04-12 | 同方节能工程技术有限公司 | Absorption type cold and warm water unit |
| CN111271896A (en) * | 2020-03-18 | 2020-06-12 | 双良节能***股份有限公司 | Hot water type lithium bromide absorption water chilling unit driven by ultralow temperature waste heat |
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