CN209165785U - A kind of lithium bromide heat pump boiler - Google Patents
A kind of lithium bromide heat pump boiler Download PDFInfo
- Publication number
- CN209165785U CN209165785U CN201821986056.9U CN201821986056U CN209165785U CN 209165785 U CN209165785 U CN 209165785U CN 201821986056 U CN201821986056 U CN 201821986056U CN 209165785 U CN209165785 U CN 209165785U
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- CN
- China
- Prior art keywords
- pipe
- flue gas
- evaporator
- lithium bromide
- temperature generator
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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]
-
- 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
The utility model relates to a kind of lithium bromide heat pump boilers, including furnace body, combustor is equipped at the air inlet, the air inlet connection is located at the flue of lower portion of furnace body, the inlet end of the outlet side connection return combustion chamber of the flue, the outlet side of the return combustion chamber is connected to smoke pipe, the outlet side of the smoke pipe is communicated by smoke box with the inlet end of high-temperature generator, the outlet side of the high-temperature generator is communicated with flue gas cooling chamber, the top that the high-temperature generator is located at inlet end side is equipped with opening and communicates with condenser, the bottom of the flue gas cooling chamber is equipped with opening and communicates with gas outlet, the condenser is communicated by water service pipe with evaporator, the side of the evaporator is equipped with the absorber being connected to evaporator, the top of the absorber is equipped with the concentrated solution pipe communicated with high-temperature generator bottom, the bottom of the absorber is equipped with to be sent out with high temperature The weak solution pipe being connected at the top of raw device, the utility model create a cooling medium lower than 30 DEG C to make full use of to condensation heat of flue gas.
Description
Technical field
The utility model relates to boilers, and in particular to a kind of lithium bromide heat pump boiler.
Background technique
Vapor in natural gas flue gas just starts to condense when flue-gas temperature is lower than 60 DEG C, when flue-gas temperature is lower than 30 DEG C
When, the condensation heat of the most vapor in flue gas is utilized substantially, this partial heat accounts for the 14% of heating value of natural gas, tradition
Natural gas boiler exhaust gas temperature at 130 DEG C or more, in the flue gas that is generated during combustion of natural gas containing 18% vapor,
The a large amount of latent heat of flue gas and sensible heat are slatterned by smoke stack emission into atmosphere.
Utility model content
Heat to solve the problems, such as in flue gas is wasted, and the purpose of the utility model is to provide a kind of lithium bromide heat pumps
Boiler creates a cooling medium lower than 30 DEG C to make full use of to condensation heat of flue gas.
The purpose of this utility model is to be achieved through the following technical solutions: including furnace body, the opposite end of the furnace body
Air inlet and air outlet are respectively equipped with, combustor is equipped at the air inlet, the air inlet connection is located at the furnace of lower portion of furnace body
Gallbladder, the inlet end of the outlet side connection return combustion chamber of the flue, the outlet side of the return combustion chamber and the smoke pipe being located above flue
The outlet side of connection, the smoke pipe is communicated by smoke box with the inlet end for the high-temperature generator being located above smoke pipe, the high temperature
The outlet side of generator is communicated with flue gas cooling chamber, and flue gas condensing heat exchanger, the high temperature hair are equipped in the flue gas cooling chamber
The top that raw device is located at inlet end side is equipped with opening and communicates with the condenser being located at the top of furnace body, the bottom of the flue gas cooling chamber
Portion is equipped with opening and communicates with the gas outlet for being located at sidewall of the furnace body, and the condenser is by water service pipe and is located above flue gas cooling chamber
Evaporator communicate, the side of the evaporator is equipped with absorber be connected to evaporator, the top of the absorber equipped with
The concentrated solution pipe that high-temperature generator bottom communicates, the bottom of the absorber are equipped with the weak solution being connected to high-temperature generator top
Pipe, the concentrated solution pipe are connected to by solution heat exchanger with high-temperature generator with weak solution Guan Jun.
In preferred embodiments, the high-temperature generator is the cabinet of rectangle, the inlet end of the high-temperature generator
It is connected to outlet side by snorkel.
In preferred embodiments, the bottom of the water inlet pipe of the flue gas condensing heat exchanger and evaporator connects, described
The inside that the outlet pipe of flue gas condensing heat exchanger protrudes into evaporator is used as spray tube.
In preferred embodiments, the outlet pipe of the flue gas condensing heat exchanger is located on the part inside evaporator and sets
There is the first jet sprayed downwards.
In preferred embodiments, the water inlet pipe of the flue gas condensing heat exchanger is equipped with cryogen water-circulating pump.
In preferred embodiments, the water service pipe is located at the part in evaporator equipped with the second spray sprayed downwards
Mouth.
In preferred embodiments, the concentrated solution pipe is located at the part in absorber equipped with the third sprayed downwards
Nozzle.
In preferred embodiments, the weak solution pipe is equipped with solution circulation pump.
In preferred embodiments, partition is equipped between the absorber and evaporator, the upper half of the partition is set
There is the through-hole passed through for vapor.
The utility model has the following beneficial effects:
1, there is extremely strong water imbibition using lithium bromide concentrated solution, lithium bromide concentrated solution is sprayed in absorber and absorbs water steaming
Gas creates the environment of a high vacuum (≤2.30kPa), the water in evaporator realize under vacuum conditions low temperature (≤
20 DEG C) it boils, water absorbs amount of heat while boiling, reduces the temperature of water as refrigerant；
2, a large amount of vapor that the moisture content boiling in evaporator generates are absorbed the dense lithium-bromide solution of device and absorb, dense lithium bromide
Solution becomes weak solution, and heating becomes concentrated solution and vapor after weak solution enters high-temperature generator, and vapor is in condenser
Become water after condensation and be delivered to evaporator, recycles；
3, the flue gas of boiler emission is cooled down by flue gas condensing heat exchanger.
Detailed description of the invention
The utility model is described in further detail below according to attached drawing.
Fig. 1 is the structural schematic diagram of lithium bromide heat pump boiler described in the utility model embodiment.
In figure:
1, furnace body；2, air inlet；3, combustor；4, flue；5, return combustion chamber；6, smoke pipe；7, smoke box；8, snorkel；9, high
Warm generator；10, condenser；11, water service pipe；12, concentrated solution pipe；13, weak solution pipe；14, solution heat exchanger；15, solution
Circulating pump；16, absorber；17, evaporator；18, third nozzle；19, partition；20, second nozzle；21, first jet；22, cigarette
Air cooling room；23, flue gas condensing heat exchanger；24, water inlet pipe；25, outlet pipe；26, cryogen water-circulating pump；27, gas outlet.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit the range of claimed invention,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, belongs to the model of the utility model protection
It encloses.The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein phase from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached drawing
The embodiment of description is exemplary, it is intended to for explaining the utility model, and should not be understood as limiting the present invention.
The utility model is further described with specific embodiment below with reference to accompanying drawings.
As shown in Figure 1, a kind of lithium bromide heat pump boiler of the utility model embodiment, including furnace body 1, furnace body 1 it is opposite
Both ends are respectively equipped with air inlet 2 and gas outlet 27, and combustor 3 is equipped at air inlet 2, and combustor 3 generates the flue gas for having heat,
The connection of air inlet 2 is located at the flue 4 of 1 lower part of furnace body, the inlet end of the outlet side connection return combustion chamber 5 of flue 4, and return combustion chamber 5 goes out
Gas end is connected to the smoke pipe 6 for being located at 4 top of flue, and smoke pipe 6 settable more, smoke pipe 6 is horizontally disposed, and return combustion chamber 5 plays connection
The outlet side of the effect of pipeline, smoke pipe 6 is communicated by smoke box 7 with the inlet end for the high-temperature generator 9 for being located at 6 top of smoke pipe, cigarette
Case 7 is located on the side wall of furnace body 1, is the cabinet of rectangle；The outlet side of high-temperature generator 9 is communicated with flue gas cooling chamber 22, flue gas
It is equipped with flue gas condensing heat exchanger 23 in cooling chamber 22, the flue gas of furnace body 1 will be discharged to cooling；High-temperature generator 9 and furnace body
It being wholely set, high-temperature generator 9 is the cabinet of rectangle, and the inlet end of high-temperature generator 9 is connected to outlet side by snorkel 8,
The side wall sealed set of high-temperature generator 9 other than the opening at 8 both ends of snorkel, high-temperature generator 9 are passed through using the flue gas of high temperature
Crossing snorkel 8 makes 8 heating of snorkel to generate heat for heat dilute solution, and independent combustor is no longer separately arranged.
The top that high-temperature generator 9 is located at inlet end side is equipped with opening and communicates with the condenser 10 for being located at 1 top of furnace body,
The bottom of flue gas cooling chamber 22 is equipped with opening and communicates with the gas outlet 27 for being located at 1 side wall of furnace body, and flue gas is after supercooling from opening
Furnace body 1 is discharged into gas outlet 27.Condenser 10 passes through water service pipe 11 and 17 phase of evaporator for being located at 22 top of flue gas cooling chamber
Logical, the side of evaporator 17 is equipped with the absorber 16 being connected to evaporator 17, and partition is equipped between absorber 16 and evaporator 17
19, the upper half of partition 19 is equipped with the through-hole passed through for vapor.The top of absorber 16 is equipped with and 9 bottom phase of high-temperature generator
Logical concentrated solution pipe 12, the bottom of absorber 16 are equipped with and the weak solution pipe 13 that is connected at the top of high-temperature generator 9, concentrated solution pipe 12
It is connected to by solution heat exchanger 14 with high-temperature generator 9 with weak solution pipe 13, lithium bromide concentrated solution is located at high-temperature heat-exchanging 9
It is interior, entered in absorber 16 by concentrated solution pipe 12 and absorb vapor, there is extremely strong water imbibition using lithium bromide concentrated solution,
Spray lithium bromide concentrated solution absorbs vapor in absorber 16, creates the environment of a high vacuum (≤2.30kPa).It is evaporating
Water in device 17 realizes (≤20 DEG C) of low temperature boilings under vacuum conditions, and water absorbs amount of heat while boiling, reduces
The temperature of water as refrigerant.Cryogenic coolant water is cooled down flue-gas temperature by the cooling boiler emission flue gas of flue gas condensing heat exchanger 23
To≤30 DEG C, while 78% or more vapor is condensed into water in natural gas flue gas, and the latent heat and sensible heat of flue gas are inhaled by heat exchanger
It receives.A large amount of vapor that moisture content boiling in evaporator 17 generates are absorbed the absorption of the dense lithium-bromide solution of device 16, and dense lithium bromide is molten
Liquid becomes weak solution, and heating becomes concentrated solution and vapor after weak solution enters high-temperature generator 9, and vapor is in condenser 10
Become water after condensation and be delivered to evaporator 17, so recycle, concentrated solution is stayed in high-temperature generator 9 and continued to use.
The water inlet pipe of flue gas condensing heat exchanger 23 is connect with the bottom of evaporator 17, the outlet pipe of flue gas condensing heat exchanger 23
The inside for protruding into evaporator 17 is used as spray tube, circulation cryogen of the water in evaporator 17 as flue gas condensing heat exchanger 23
Water uses, and the outlet pipe of flue gas condensing heat exchanger 3 is located at the part inside evaporator 17 and is equipped with the first jet sprayed downwards
21, water in flue gas condensing heat exchanger 23 become hot water after heat exchange by first jet 21 and spray into evaporator 17 after
It is continuous to use.
The water inlet pipe of flue gas condensing heat exchanger 23 is equipped with cryogen water-circulating pump 26, is the water in flue gas condensing heat exchanger 23
Circulation provides power.
Water service pipe 11 is located at the part in evaporator 17 and is equipped with the second nozzle 20 sprayed downwards, and water service pipe 11 will condense
Condensed water in device 10 is sprayed by second nozzle 20 into being recycled in evaporator 17.
Concentrated solution pipe 12 is located at the part in absorber 16 and is equipped with the third nozzle 18 sprayed downwards, and concentrated solution pipe 12 will
The dense lithium-bromide solution of 9 bottom of high-temperature generator is sprayed by third nozzle 18 into absorber 16, for absorbing by evaporator
Enter the vapor in absorber 16 after 17 generations.Weak solution pipe 13 is equipped with solution circulation pump 15, for following for lithium-bromide solution
Ring provides power.
By the way that flue-gas temperature is reduced to 30 DEG C, natural gas boiler is compared to conventional boiler, and the thermal efficiency improves 14%, together
When recyclable 1.4 kilograms of 1 cubic natural gas of every burning of condensed water, reduce nitrogen oxides in effluent, titanium dioxide to a certain extent
The content of sulphur realizes the ultralow warm drain of natural gas boiler and the thermal efficiency of superelevation.
Finally, it should be noted that above-described each embodiment is merely to illustrate the technical solution of the utility model, rather than
It is limited；Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art
It is understood that it can still modify to technical solution documented by previous embodiment, or to part of or whole
Technical characteristic is equivalently replaced；And these modifications or substitutions, it does not separate the essence of the corresponding technical solution the utility model
The range of each embodiment technical solution.
Claims (9)
1. a kind of lithium bromide heat pump boiler, it is characterised in that: including furnace body, the opposite end of the furnace body is respectively equipped with air inlet
And gas outlet, combustor is equipped at the air inlet, the air inlet connection is located at the flue of lower portion of furnace body, and the flue goes out
Gas end is connected to the inlet end of return combustion chamber, and the outlet side of the return combustion chamber is connected to the smoke pipe being located above flue, the smoke pipe
Outlet side is communicated by smoke box with the inlet end of high-temperature generator being located above smoke pipe, the outlet side of the high-temperature generator with
Flue gas cooling chamber communicates, and flue gas condensing heat exchanger is equipped in the flue gas cooling chamber, and the high-temperature generator is located at inlet end one
The top of side is equipped with opening and communicates with the condenser being located at the top of furnace body, and the bottom of the flue gas cooling chamber is equipped with opening and is located at
The gas outlet of sidewall of the furnace body communicates, and the condenser is communicated by water service pipe with the evaporator being located above flue gas cooling chamber, institute
The side for stating evaporator is equipped with the absorber being connected to evaporator, and the top of the absorber is equipped with and high-temperature generator bottom phase
Logical concentrated solution pipe, the bottom of the absorber are equipped with the weak solution pipe being connected to high-temperature generator top, the concentrated solution pipe
It is connected to by solution heat exchanger with high-temperature generator with weak solution Guan Jun.
2. lithium bromide heat pump boiler according to claim 1, it is characterised in that: the high-temperature generator is the case of rectangle
The inlet end of body, the high-temperature generator is connected to outlet side by snorkel.
3. lithium bromide heat pump boiler according to claim 1, it is characterised in that: the water inlet pipe of the flue gas condensing heat exchanger
It is connect with the bottom of evaporator, the inside that the outlet pipe of the flue gas condensing heat exchanger protrudes into evaporator is used as spray tube.
4. lithium bromide heat pump boiler according to claim 3, it is characterised in that: the outlet pipe of the flue gas condensing heat exchanger
Part inside evaporator is equipped with the first jet sprayed downwards.
5. lithium bromide heat pump boiler according to claim 3, it is characterised in that: the water inlet pipe of the flue gas condensing heat exchanger
It is equipped with cryogen water-circulating pump.
6. lithium bromide heat pump boiler according to claim 1, it is characterised in that: the water service pipe is located at the portion in evaporator
Divide the second nozzle for being equipped with and spraying downwards.
7. lithium bromide heat pump boiler according to claim 1, it is characterised in that: the concentrated solution pipe is located in absorber
Part is equipped with the third nozzle sprayed downwards.
8. lithium bromide heat pump boiler according to claim 1, it is characterised in that: the weak solution pipe is recycled equipped with solution
Pump.
9. lithium bromide heat pump boiler according to claim 1, it is characterised in that: be equipped between the absorber and evaporator
Partition, the upper half of the partition are equipped with the through-hole passed through for vapor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821986056.9U CN209165785U (en) | 2018-11-29 | 2018-11-29 | A kind of lithium bromide heat pump boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821986056.9U CN209165785U (en) | 2018-11-29 | 2018-11-29 | A kind of lithium bromide heat pump boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209165785U true CN209165785U (en) | 2019-07-26 |
Family
ID=67340944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821986056.9U Active CN209165785U (en) | 2018-11-29 | 2018-11-29 | A kind of lithium bromide heat pump boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209165785U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373589A (en) * | 2018-11-29 | 2019-02-22 | 北京三汇能环科技发展有限公司 | A kind of lithium bromide heat pump boiler |
| CN113357660A (en) * | 2021-05-17 | 2021-09-07 | 湖南省特种设备检验检测研究院 | Cooling and heating system based on plume elimination and waste heat recovery of gas boiler flue gas |
-
2018
- 2018-11-29 CN CN201821986056.9U patent/CN209165785U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373589A (en) * | 2018-11-29 | 2019-02-22 | 北京三汇能环科技发展有限公司 | A kind of lithium bromide heat pump boiler |
| CN113357660A (en) * | 2021-05-17 | 2021-09-07 | 湖南省特种设备检验检测研究院 | Cooling and heating system based on plume elimination and waste heat recovery of gas boiler flue gas |
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