CN108489138A - Direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit - Google Patents
Direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit Download PDFInfo
- Publication number
- CN108489138A CN108489138A CN201810378125.6A CN201810378125A CN108489138A CN 108489138 A CN108489138 A CN 108489138A CN 201810378125 A CN201810378125 A CN 201810378125A CN 108489138 A CN108489138 A CN 108489138A
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- China
- Prior art keywords
- flue gas
- exchange unit
- gas heat
- heat
- direct combustion
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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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
-
- 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]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention relates to a kind of direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit, including evaporator（1）, absorber（2）, direct combustion type generator（6）, condenser（10）, solution heat exchanger（4）, solution pump（15）And cryogenic fluid pump（16）, condenser（10）And absorber（2）Between be provided with hot water communicating pipe（12）, solution heat exchanger（4）With direct combustion type generator（6）Between be provided with generator inlet tube（7）, solution heat exchanger（4）And solution pump（15）Between be provided with solution pump discharge pipe（3）；It is characterized in that：Direct combustion type generator（6）Smoke exhaust pipe（8）On be provided with flue gas heat-exchange unit（19）.The present invention recycles low-temperature flue gas heat and is used for heat supply, exhaust gas temperature is reduced to≤80 DEG C, the coefficient of performance of unit can be improved 3.5% or more.
Description
Technical field
The present invention relates to a kind of suction-type lithium bromide thermal power plant unit more particularly to a kind of direct combustion single-action with flue gas heat-exchange unit
Type lithium bromide absorption type heat pump unit.Belong to air conditioner technical field.
Background technology
A kind of previous direct combustion single-effect lithiumbromide absorption type heat pump assembly as shown in Figure 1, the unit by evaporator 1, inhale
Receive device 2, direct combustion type generator 6, condenser 10, solution heat exchanger 4, solution pump 15, cryogenic fluid pump 16, control system（In figure not
It shows）And pipeline, the valve of connecting components are constituted.When unit operation, is burnt and fired with 6 matched burner 5 of direct combustion type generator
Material（Combustion gas, fuel oil）The heat of generation is externally provided as compensation thermal energy, the waste heat source the heat of hot water of recycling disengaging evaporator 1
Temperature is used higher than the technique of waste heat source hot water temperature or heat supplication and consumption water, is mainly used in while having low-temperature heat source and medium temperature to supply
The place of heat demand.For the exhaust gas temperature of this unit at 170 DEG C or so, low-temperature flue gas waste heat is not recycled utilization.
Invention content
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of, and the direct combustion single-effect lithiumbromide with flue gas heat-exchange unit is inhaled
Receipts formula heat pump unit recycles low-temperature flue gas heat and is used for heat supply, exhaust gas temperature is reduced to≤80 DEG C, the performance demands of unit
Number COP can be improved 3.5% or more.
The object of the present invention is achieved like this：A kind of direct combustion single-effect lithiumbromide absorption heat pump with flue gas heat-exchange unit
Unit, including evaporator, absorber, direct combustion type generator, condenser, solution heat exchanger, solution pump and cryogenic fluid pump, in unit
Smoke exhaust pipe on or external chimney in be provided with flue gas heat-exchange unit.When unit operation, with flue gas heat-exchange unit recycling low-temperature flue gas heat
Amount reduces exhaust gas temperature, improves unit performance coefficient COP.
Further, the flue gas heat-exchange unit is smoke solution heat exchanger.
Further, the flue gas heat-exchange unit inlet tube of the flue gas heat-exchange unit is connected on solution pump discharge pipe.
Further, the flue gas heat-exchange unit is fume hot-water heat exchanger.
Further, the flue gas heat-exchange unit water inlet pipe of the flue gas heat-exchange unit is connected on hot water inlet pipe；Flue gas heat-exchange unit
Flue gas heat-exchange unit outlet pipe be connected on hot water cross over pipe or the flue gas heat-exchange unit outlet pipe of the flue gas heat-exchange unit is connected to heat
On water outlet pipe.
The beneficial effects of the invention are as follows：
Smoke solution heat exchanger or fume hot-water heat exchanger, unit are provided on the smoke exhaust pipe of unit of the present invention or in external chimney
When operation, the flue gas for going out about 170 DEG C of direct combustion type generator, temperature enters flue gas heat-exchange unit, by the solution of disengaging flue gas heat-exchange unit
Or hot water cool after be discharged into air, solution or hot water enter follow-up work flow after absorbing flue gas heat heating, can reduce
The heating amount of direct combustion type generator improves unit COP.
Description of the drawings
Fig. 1 is previous direct combustion single-effect lithiumbromide absorption heat pump set structure schematic diagram.
Fig. 2 is that direct combustion single-effect lithiumbromide absorption heat pump train embodiments 1 structure of the invention with flue gas heat-exchange unit is shown
It is intended to.
Fig. 3 is that direct combustion single-effect lithiumbromide absorption heat pump train embodiments 2 structure of the invention with flue gas heat-exchange unit is shown
It is intended to.
Fig. 4 is that direct combustion single-effect lithiumbromide absorption heat pump train embodiments 3 structure of the invention with flue gas heat-exchange unit is shown
It is intended to.
Reference numeral in figure：
Evaporator 1, absorber 2, solution pump discharge pipe 3, solution heat exchanger 4, burner 5, direct combustion type generator 6, generator
Inlet tube 7, smoke exhaust pipe 8, refrigerant vapour pipe 9, condenser 10, hot water outlet pipe 11, hot water cross over pipe 12, waste heat water outlet pipe
13, remaining hot water inlet tube 14, solution pump 15, cryogenic fluid pump 16, hot water inlet pipe 17, flue gas heat-exchange unit inlet tube 18, flue gas heat exchange
Device 19, flue gas heat-exchange unit outlet tube 20, flue gas heat-exchange unit water inlet pipe 21, flue gas heat-exchange unit outlet pipe 22.
Specific implementation mode
For ease of more fully understanding the present invention, it is illustrated by the following examples, these examples belong to the protection of the present invention
Range, but do not limit the scope of the invention.
Embodiment 1：
Unit shown in Figure 2, direct combustion single-effect lithiumbromide absorption type heat pump assembly of the present invention with flue gas heat-exchange unit, flue gas change
Hot device is smoke solution heat exchanger.
The unit is by evaporator 1, absorber 2, direct combustion type generator 6, condenser 10, solution heat exchanger 4, solution pump
15, cryogenic fluid pump 16, control system（It is not shown in figure）And pipeline, the valve of connecting components constituted with the straight of flue gas heat-exchange unit
Single-effect lithiumbromide absorption type heat pump assembly is fired, refrigerant vapour pipe 9 is provided between direct combustion type generator 6 and condenser 10, it is cold
It is provided with hot water communicating pipe 12 between condenser 10 and absorber 2, is provided between solution heat exchanger 4 and direct combustion type generator 6
Generator inlet tube 7 is provided with solution pump discharge pipe 3 between solution heat exchanger 4 and solution pump 15.Direct combustion type generator 6
Flue gas heat-exchange unit 19 is provided on smoke exhaust pipe 8, flue gas heat-exchange unit inlet tube 18 is connected on solution pump discharge pipe 3, flue gas heat exchange
Device outlet tube 20 is connected on generator inlet tube 7.
When unit operation, the weak solution that solution pump 15 conveys divides two-way, all the way after the heat exchange heating of solution heat exchanger 4, through hair
Raw device inlet tube 7 enters direct combustion type generator 6.Another way through flue gas heat-exchange unit inlet tube 18 enter flue gas heat-exchange unit 19, with from
The flue gas that direct combustion type generator 6 enters flue gas heat-exchange unit 19 carries out heat exchange, and flue-gas temperature is discharged into air after being reduced to≤80 DEG C,
Enter direct combustion type through flue gas heat-exchange unit outlet tube 20, generator inlet tube 7 after weak solution recycling low-temperature flue gas heat heating
Device 6 reduces the fuel consumption of burner 5, the performance of unit to reduce heating amount needed for Direct Fired High Pressure Generator 6
Coefficient COP can be improved 3.5% or more.
Embodiment 2：
Unit shown in Figure 3, flue gas heat-exchange unit are fume hot-water heat exchanger, and flue gas heat-exchange unit water inlet pipe is connected to hot water inlet pipe
On, flue gas heat-exchange unit outlet pipe is connected on hot water cross over pipe.
Specially：The flue gas heat-exchange unit 19 of unit shown in Fig. 2 is used into fume hot-water heat exchanger, flue gas heat-exchange unit water inlet
Pipe 21 is connected on hot water inlet pipe 17, and 19 outlet pipe 22 of flue gas heat-exchange unit is connected on hot water cross over pipe 12, and unit becomes Fig. 3 institutes
Show the direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit.
When unit operation, the hot water that unit is entered through hot water inlet pipe 17 divides two-way, enters absorber 2 all the way.Another way
Enter flue gas heat-exchange unit 19 through flue gas heat-exchange unit water inlet pipe 21, with the flue gas for entering flue gas heat-exchange unit 19 from direct combustion type generator 6
Heat exchange is carried out, flue-gas temperature is discharged into air, is changed through flue gas after the heating of Recovery of the hot water low-temperature flue gas heat after being reduced to≤80 DEG C
Hot device outlet pipe 22 and hot water cross over pipe 12 are reduced into condenser 10 to reduce heating amount needed for direct combustion type generator 6
The coefficient of performance of the fuel consumption of burner 5, unit can be improved 3.5% or more.
Embodiment 3：
Unit shown in Figure 4, flue gas heat-exchange unit are fume hot-water heat exchanger, and flue gas heat-exchange unit water inlet pipe is connected to hot water inlet
Pipe, flue gas heat-exchange unit outlet pipe are connected on hot water outlet pipe.
Specially：The flue gas heat-exchange unit outlet pipe 22 of the flue gas heat-exchange unit 19 of unit shown in Fig. 3 is connected to hot water outlet pipe
On 11, unit becomes the direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit shown in Fig. 4.The performance of unit
Coefficient COP can be improved 3.5% or more.
The above content is it cannot be assumed that present invention specific implementation is confined to these explanations, for the technical field of the invention
Those of ordinary skill for, under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all answers
When being considered as belonging to present invention scope of patent protection determined by the appended claims.
Claims (6)
1. a kind of direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit, including evaporator（1）, absorber
（2）, direct combustion type generator（6）, condenser（10）, solution heat exchanger（4）, solution pump（15）And cryogenic fluid pump（16）, condenser
（10）And absorber（2）Between be provided with hot water communicating pipe（12）, solution heat exchanger（4）With direct combustion type generator（6）Between
It is provided with generator inlet tube（7）, solution heat exchanger（4）And solution pump（15）Between be provided with solution pump discharge pipe（3）；Its
It is characterized in that：The direct combustion type generator（6）Smoke exhaust pipe（8）On be provided with flue gas heat-exchange unit（19）.
2. a kind of direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit according to claim 1,
It is characterized in that：The flue gas heat-exchange unit（19）For smoke solution heat exchanger.
3. a kind of direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit according to claim 1,
It is characterized in that：The flue gas heat-exchange unit（19）For fume hot-water heat exchanger.
4. a kind of direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit according to claim 2,
It is characterized in that：The flue gas heat-exchange unit（19）Flue gas heat-exchange unit inlet tube（18）It is connected to solution pump discharge pipe（3）On.
5. a kind of direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit according to claim 3,
It is characterized in that：The flue gas heat-exchange unit（19）Flue gas heat-exchange unit water inlet pipe（21）It is connected to hot water inlet pipe（17）On, flue gas changes
Hot device（19）Flue gas heat-exchange unit outlet pipe（22）It is connected to hot water cross over pipe（12）On.
6. a kind of direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit according to claim 3,
It is characterized in that：The flue gas heat-exchange unit（19）Flue gas heat-exchange unit water inlet pipe（21）It is connected to hot water inlet pipe（17）On, flue gas changes
Hot device（19）Flue gas heat-exchange unit outlet pipe（22）It is connected to hot water outlet pipe（11）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378125.6A CN108489138A (en) | 2018-04-25 | 2018-04-25 | Direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378125.6A CN108489138A (en) | 2018-04-25 | 2018-04-25 | Direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit |
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| Publication Number | Publication Date |
|---|---|
| CN108489138A true CN108489138A (en) | 2018-09-04 |
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ID=63313970
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810378125.6A Pending CN108489138A (en) | 2018-04-25 | 2018-04-25 | Direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit |
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| CN (1) | CN108489138A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2667414Y (en) * | 2003-11-13 | 2004-12-29 | 江苏双良空调设备股份有限公司 | Residual heat type single-effect lithium bromide absorption type cold water, cold/heat water machine set |
| CN102997483A (en) * | 2012-12-27 | 2013-03-27 | 双良节能***股份有限公司 | Direct-burning lithium bromide absorbing cold hot water unit capable of recycling smoke waste heat |
| CN103542593A (en) * | 2013-09-28 | 2014-01-29 | 昆山市周市溴化锂溶液厂 | Smoke heat recycling type lithium bromide absorption cold-hot water unit |
| CN103759467A (en) * | 2014-01-18 | 2014-04-30 | 双良节能***股份有限公司 | Two-section smoke hot water single-dual effect composite lithium bromide absorption refrigerating unit |
| CN106482382A (en) * | 2016-11-14 | 2017-03-08 | 双良节能***股份有限公司 | Direct combustion type first class lithium bromide absorptive heat pump unit with direct heating |
| CN208154864U (en) * | 2018-04-25 | 2018-11-27 | 双良节能***股份有限公司 | Direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit |
-
2018
- 2018-04-25 CN CN201810378125.6A patent/CN108489138A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2667414Y (en) * | 2003-11-13 | 2004-12-29 | 江苏双良空调设备股份有限公司 | Residual heat type single-effect lithium bromide absorption type cold water, cold/heat water machine set |
| CN102997483A (en) * | 2012-12-27 | 2013-03-27 | 双良节能***股份有限公司 | Direct-burning lithium bromide absorbing cold hot water unit capable of recycling smoke waste heat |
| CN103542593A (en) * | 2013-09-28 | 2014-01-29 | 昆山市周市溴化锂溶液厂 | Smoke heat recycling type lithium bromide absorption cold-hot water unit |
| CN103759467A (en) * | 2014-01-18 | 2014-04-30 | 双良节能***股份有限公司 | Two-section smoke hot water single-dual effect composite lithium bromide absorption refrigerating unit |
| CN106482382A (en) * | 2016-11-14 | 2017-03-08 | 双良节能***股份有限公司 | Direct combustion type first class lithium bromide absorptive heat pump unit with direct heating |
| CN208154864U (en) * | 2018-04-25 | 2018-11-27 | 双良节能***股份有限公司 | Direct combustion single-effect lithiumbromide absorption type heat pump assembly with flue gas heat-exchange unit |
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