CN206191974U - Take steam direct heat supply's steam type first kind lithium bromide absorption heat pump unit - Google Patents
Take steam direct heat supply's steam type first kind lithium bromide absorption heat pump unit Download PDFInfo
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- CN206191974U CN206191974U CN201621221899.0U CN201621221899U CN206191974U CN 206191974 U CN206191974 U CN 206191974U CN 201621221899 U CN201621221899 U CN 201621221899U CN 206191974 U CN206191974 U CN 206191974U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model relates to a take steam direct heat supply's steam type first kind lithium bromide absorption heat pump unit belongs to refrigeration plant technical field. Including steam generator (1), condenser (2), evaporimeter (4), absorber (5), solution heat exchanger (3), solution pump (8) and cryrogenic fluid pump (10), its characterized in that: add one weak solution bypass pipe (15) between solution pump outlet pipe (7) and cryogen water liquid bag (9) to set up one weak solution bypass valve (16) above that, add a condenser cryogen water switching ball valve (19) on condenser cryogen water advances the U type pipe (14) of evaporimeter, add a condenser cryogen water bypass pipe (17) simultaneously between U type pipe (14) that the preceding condenser cryogen water of this condenser cryogen water switching ball valve (19) advances the evaporimeter is bottom absorber (5) barrel to set up a condenser cryogen water bypass valve (18) above that. Take place to cut off the water supply under the non - normal condition with waste heat water under external condition normal condition, switch through the valve of unit own, all can prepare out required medium temperature heat source.
Description
Technical field
The utility model is related to a kind of first class lithium bromide absorptive heat pump unit.Category technical field of refrigeration equipment.
Background technology
Current China the industries such as oil field, chemical industry, metallurgy, coking exist it is substantial amounts of such as oil recovery separation water, it is technique waste water, low
The low-grade heat sources such as warm spent hot water, while we need substantial amounts of middle temperature-heat-source again in production technology and life, existing low
Grade waste heat need again in temperature-heat-source occasion, using first class lithium bromide absorptive heat pump unit extract low temperature exhaust heat water heat
Amount, produces out more than 40 DEG C higher than low-temperature heat source of middle temperature-heat-source, can save a large amount of more than 40% middle pressure steam consumption, realizes
The comprehensive utilization of the energy, achieves preferable economic benefit.The steam type first-class lithium bromide absorption type heat pump unit of standard（Such as
Fig. 1）By steam generator 1, condenser 2, evaporator 4, absorber 5, solution heat exchanger 3, solution pump 8, cryogenic fluid pump 10, take out true
Empty set is united and control system（Not shown in figure）And pipeline, the valve of connecting components etc. is constituted.It is low temperature exhaust heat to heat flow
Water enters in the heat-transfer pipe of evaporator 4, and the water as refrigerant in water as refrigerant liquid capsule 9 is extracted out and sprayed in evaporator 4 by cryogenic fluid pump 10
Tube surface, absorption flows through the heat of remaining hot water in heat-transfer pipe, is vaporized into refrigerant vapour, remaining hot water temperature after heat is released
Reduce outflow unit；Absorb the refrigerant vapour inflow absorber 5 produced after remaining hot water heat, the bromination under being drenched by absorber overhead
Lithium concentrated solution absorbs.Lithium bromide concentrated solution releases the heat of condensation of refrigerant vapour when refrigerant vapour is absorbed, and heating flows through absorber
Hot water in heat-transfer pipe, makes its temperature flow out absorber after raising；Lithium bromide concentrated solution concentration after refrigerant vapour is absorbed is more next
It is lower, absorber bottom is collected in, extracted out by solution pump 8, enter steam generator 1 after being heated up through heat exchanger, in steam hair
Concentration is heated by steam in raw device, refrigerant vapour is isolated.Concentrated solution is entered through between heat transfering tube of heat exchanger with lithium bromide weak solution
Absorber 4 is flowed back to after row heat exchange, continues to absorb the refrigerant vapour produced in evaporator；And the height produced in steam generator
Warm refrigerant vapour is flowed into condenser 2, and heating flows through the hot water in the heat-transfer pipe of condenser 2, its temperature is flowed out after continuing to raise
Unit for users to use, while refrigerant vapour release heat after be condensed into water as refrigerant, into evaporator.Because in evaporator pressure compared with
Low, the water as refrigerant part into evaporator flashes into refrigerant vapour, another part water as refrigerant then because heat by shwoot that
Part is taken away and lowers the temperature into the water as refrigerant of saturation temperature, flows into base of evaporator liquid capsule.Constantly circulation is carried out said process, you can
Constantly recovery waste heat hydro-thermal amount produces required middle temperature-heat-source.But, production technology overhaul during or other reasonses, occur
Remaining hot water is cut off the water supply situation, does not have waste heat heat to add, and source pump can only just shut down, it is impossible to produce out required middle temperature-heat-source.
How could solve to cut off the water supply situation there is remaining hot water, under conditions of there is no waste heat heat to add, steam type first kind lithium bromide
Absorption type heat pump assembly is not required to shut down the middle temperature-heat-source remained to for needed for user produces out, the important topic as current research it
One.
The content of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, there is provided a kind of to be cut off the water supply situation in remaining hot water, without more than
Under conditions of heat is added, unit is not required to shut down the carrying vapour direct heating for remaining to the middle temperature-heat-source for needed for user produces out
Steam type first-class lithium bromide absorption type heat pump unit.
The utility model purpose is realized in：A kind of steam type first kind lithium bromide absorption of carrying vapour direct heating
Formula source pump, including steam generator, condenser, evaporator, absorber, solution heat exchanger, solution pump and cryogenic fluid pump, its
It is characterised by：A weak solution bypass pipe is set up between solution pump discharge pipe and water as refrigerant liquid capsule, and it is dilute molten to set one thereon
Liquid by-passing valve；Enter in the U-tube of evaporator to set up condenser water as refrigerant switching ball valve in condenser water as refrigerant, while cold at this
Condenser water as refrigerant before condenser water as refrigerant switching ball valve enters between the U-tube of evaporator and absorber cylinder body bottom to set up one cold
Condenser water as refrigerant bypass pipe, and a condenser water as refrigerant by-passing valve is set thereon.
Source pump external condition（Refer to steam, remaining hot water, hot water conditions）Under normal circumstances, weak solution by-passing valve, condensation
Device water as refrigerant by-passing valve is closed, condenser water as refrigerant switching ball valve be in opening, source pump still press with
Past heat supply process flow operation.
Cut off the water supply under abnormal condition when external condition occurs remaining hot water, weak solution by-passing valve, condenser water as refrigerant by-passing valve
In opening, condenser water as refrigerant switching ball valve is closed, and source pump is direct by steam of the present utility model
Heat supply process flow operation.Now, steam still becomes condensate outflow into the heat release of steam generator concentrate solution, and hot water is still
So being introduced into absorber enters back into condenser, and hot water absorbs risen from the condensation heat of generator refrigerant vapour within the condenser
Temperature, the condensed device water as refrigerant bypass pipe of water as refrigerant after condensation is directly entered absorber cylinder body bottom, under pouring in absorber
Concentrated solution is mixed into weak solution, and weak solution is pumped into steam generator by solution and concentrated, and constantly circulation is carried out said process,
Under conditions of the addition of no waste heat heat, required middle temperature-heat-source is produced out with steam direct heating mode.Due to remaining hot water
Cut off the water supply, there is no waste heat heat to add, refrigerant vapour just can not be evaporated in evaporator and is absorbed for absorber concentrated solution, but absorber is passed
There is the hot water lower than concentrated solution temperature to flow through in heat pipe, the strong solution concentration drenched outside absorber heat-transfer pipe is constant and temperature can drop
It is low, absorption pressure is reduced, evaporating pressure is also just reduced, and the heat of the remaining hot water not being vented of heat-transfer pipe of evaporator internal memory will
It is sucked away and temperature reduction, to prevent heat-transfer pipe of evaporator frozen pipe, bypasses into cryogen part weak solution through weak solution bypass pipe
Cryogen coolant-temperature gage will be lifted in aqueous capsule, and the water as refrigerant that will be mixed into solution by cryogenic fluid pump sends into evaporator heat transfer pipe surface, steams
Hair device tube surface temperature is raised, and this circulation is also constantly being carried out simultaneously, has thus prevented the potential of evaporator frozen pipe
Factor, it is ensured that in the case where remaining hot water cuts off the water supply abnormal condition, the steam type first-class lithium bromide absorption type of carrying vapour direct heating
Source pump being capable of safe and stable operation.
When external condition recovers normal, that is, when in hot water stream of having a surplus pervaporation device heat-transfer pipe, carrying vapour direct heating
Steam type first-class lithium bromide absorption type heat pump unit only need to will be above-mentioned in valve switch over, so that it may by conventional heat pump heat supply
Process flow operation, continues the waste heat of recovery waste heat water, produces required middle temperature-heat-source.Heat pump is transferred in steam direct heating flow to supply
At the initial stage of thermal flow process, due to being mixed into weak solution in evaporator water as refrigerant, so needing to open evaporator water as refrigerant by-passing valve, enter
The water reuse (treatment of row cryogen is processed, until water as refrigerant is than re-qualified.
The beneficial effects of the utility model are：The utility model is by conventional steam type first-class lithium bromide absorption type warm
On the basis of pump assembly, a weak solution bypass pipe is set up between solution pump discharge pipe and water as refrigerant liquid capsule, and set one thereon
Weak solution by-passing valve；Enter to be set up in evaporator U-tube condenser water as refrigerant switching ball valve in condenser water as refrigerant, while cold
Condenser water as refrigerant before condenser water as refrigerant switching ball valve enters to set up a condensation between evaporator U-tube and absorber cylinder body bottom
Device water as refrigerant bypass pipe, and a condenser water as refrigerant by-passing valve is set thereon.It is capable of achieving two kinds of functions：One kind is in external condition
Remaining hot water heat is extracted under normal circumstances produces required middle temperature-heat-source；Another there is remaining hot water and cut off the water supply anon-normal in external condition
In the case of often, only need to be by unit valve transfer in itself, it is straight that source pump can be transformed into steam from original heat supply flow
Heat supply flow is connect, in the case of the addition of no waste heat heat, required middle temperature-heat-source is produced out.Operation is very easy, solves
In the case of conventional remaining hot water is cut off the water supply, source pump can only shut down needed for cannot producing in temperature-heat-source significant problem, it is to avoid it is right
The adverse effect that production technology or life are caused.Due to heat pump itself realize remaining hot water cut off the water supply situation when remain to produce middle warm
Source, system is just not required to set standby heat exchanger, also reduces system investments cost.So, the utility model also has non-
Often good economic benefit.
Brief description of the drawings
Fig. 1 is conventional steam type first-class lithium bromide absorption type heat pump unit schematic flow sheet.
Fig. 2 shows for the steam type first-class lithium bromide absorption type heat pump unit flow of the utility model carrying vapour direct heating
It is intended to.
In figure：
Steam generator 1
Condenser 2
Solution heat exchanger 3
Evaporator 4
Absorber 5
Weak solution liquid capsule 6
Solution pump discharge pipe 7
Solution pump 8
Water as refrigerant liquid capsule 9
Cryogenic fluid pump 10
Water as refrigerant sampling valve 11
Evaporator water as refrigerant by-passing valve 12
Evaporator cryogen water regulating valve 13
U-tube 14
Weak solution bypass pipe 15
Weak solution by-passing valve 16
Condenser water as refrigerant bypass pipe 17
Condenser water as refrigerant by-passing valve 18
Condenser water as refrigerant switches ball valve 19.
Specific embodiment
As shown in Fig. 2 the utility model is on conventional steam type first-class lithium bromide absorption type heat pump crew base,
A weak solution bypass pipe 15 is set up between solution pump discharge pipe 7 and water as refrigerant liquid capsule 9, and a weak solution by-passing valve is set thereon
16；Condenser water as refrigerant switching ball valve 19 is set up in the U-tube 14 that condenser water as refrigerant enters evaporator, while in the condensation
Condenser water as refrigerant before device water as refrigerant switching ball valve 19 enters to be set up between the U-tube 14 of evaporator and the cylinder body bottom of absorber 5
One condenser water as refrigerant bypass pipe 17, and a condenser water as refrigerant by-passing valve 18 is set thereon.
Source pump external condition（Refer to steam, remaining hot water, hot water conditions）Under normal circumstances, weak solution by-passing valve 16, cold
Condenser water as refrigerant by-passing valve 18 is closed, and condenser water as refrigerant switching ball valve 19 is in opening, and source pump is still
So press conventional heat supply process flow operation.
Cut off the water supply under abnormal condition when external condition occurs remaining hot water, weak solution by-passing valve 16, condenser water as refrigerant bypass
Valve 18 is in opening, and condenser water as refrigerant switching ball valve 19 is closed, and source pump presses steaming of the present utility model
Vapour direct heating process flow operation.Now, steam still becomes condensate outflow into the concentrate solution heat release of steam generator 1,
Hot water is still introduced into absorber 5 and enters back into condenser 2, and hot water absorbs from the refrigerant vapour of steam generator 1 in condenser 2
Condensation heat and heat up, the condensed device water as refrigerant bypass pipe 17 of the water as refrigerant after condensation is directly entered absorber cylinder body bottom,
Weak solution is mixed into the concentrated solution under being drenched in absorber 5, weak solution is sent into concentration in steam generator 1, steamed by solution pump 8
The refrigerant vapour that vapour generator 1 occurs out is condensed into condenser 2, and constantly circulation is carried out said process, in no waste heat heat
Under conditions of amount is added, required middle temperature-heat-source is produced out with steam direct heating mode.Because remaining hot water is cut off the water supply, there is no waste heat
Heat is added, and refrigerant vapour just can not be evaporated in evaporator 4 and is absorbed for the concentrated solution of absorber 5, but have ratio in absorber heat-transfer pipe
The low hot water of concentrated solution temperature flows through, so, the strong solution concentration drenched outside the heat-transfer pipe of absorber 5 is constant and temperature can be reduced,
Reduce absorption pressure, evaporating pressure is also just reduced, the heat of the remaining hot water not being vented of the heat-transfer pipe internal memory of evaporator 4 will be by
Siphon away and temperature reduction, to prevent heat-transfer pipe of evaporator frozen pipe, bypassed into cold part weak solution by weak solution bypass pipe 15
In agent aqueous capsule 9, cryogen coolant-temperature gage will be lifted, and the water as refrigerant that will be mixed into solution by cryogenic fluid pump 10 sends into heat-transfer pipe of evaporator table
Face, heat-transfer pipe of evaporator surface temperature is raised, and this circulation is circulated with solution and constantly carried out simultaneously, has thus prevented evaporation
The latency of device frozen pipe, it is ensured that in the case where remaining hot water cuts off the water supply abnormal condition, the steam type first kind of carrying vapour direct heating
Lithium bromide absorption type heat pump unit being capable of safe and stable operation.
When external condition recovers normal, that is, when in hot water stream of having a surplus pervaporation device heat-transfer pipe, carrying vapour direct heating
Steam type first-class lithium bromide absorption type heat pump unit only need to will be above-mentioned in valve switch over, so that it may by conventional heat pump heat supply
Process flow operation, continues the waste heat of recovery waste heat water, produces required middle temperature-heat-source.Heat pump is transferred in steam direct heating flow to supply
At the initial stage of thermal flow process, due to being mixed into weak solution in evaporator water as refrigerant, so needing to open evaporator water as refrigerant by-passing valve, enter
The water reuse (treatment of row cryogen is processed, until water as refrigerant is than re-qualified.
Above scheme can be the unit with cryogen heat regenerator suitable for the source pump（Shown in figure）, can also
It is the unit of the solidifying hydro-thermal recover of carrying vapour, can also is two sections or more than two sections units（Shown in figure）.
Claims (4)
1. a kind of steam type first-class lithium bromide absorption type heat pump unit of carrying vapour direct heating, including steam generator（1）、
Condenser（2）, evaporator（4）, absorber（5）, solution heat exchanger（3）, solution pump（8）And cryogenic fluid pump（10）, its feature exists
In：In solution pump discharge pipe（7）With water as refrigerant liquid capsule（9）Between set up a weak solution bypass pipe（15）, and one is set thereon
Weak solution by-passing valve（16）；Enter the U-tube of evaporator in condenser water as refrigerant（14）On set up a condenser water as refrigerant switching ball
Valve（19）, while switching ball valve in the condenser water as refrigerant（19）Preceding condenser water as refrigerant enters the U-tube of evaporator（14）With
Absorber（5）A condenser water as refrigerant bypass pipe is set up between cylinder body bottom（17）, and a condenser water as refrigerant is set thereon
By-passing valve（18）.
2. the steam type first-class lithium bromide absorption type heat pump machine of a kind of carrying vapour direct heating according to claim 1
Group, it is characterised in that the source pump is the unit with cryogen heat regenerator.
3. the steam type first-class lithium bromide absorption type heat pump machine of a kind of carrying vapour direct heating according to claim 1
Group, it is characterised in that the source pump is the unit of the solidifying hydro-thermal recover of carrying vapour.
4. a kind of steam type first-class lithium bromide absorption type of the carrying vapour direct heating according to claim 1 or 2 or 3 is warm
Pump assembly, it is characterised in that the source pump is two sections or more than two sections multistage units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621221899.0U CN206191974U (en) | 2016-11-14 | 2016-11-14 | Take steam direct heat supply's steam type first kind lithium bromide absorption heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621221899.0U CN206191974U (en) | 2016-11-14 | 2016-11-14 | Take steam direct heat supply's steam type first kind lithium bromide absorption heat pump unit |
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| CN206191974U true CN206191974U (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621221899.0U Active CN206191974U (en) | 2016-11-14 | 2016-11-14 | Take steam direct heat supply's steam type first kind lithium bromide absorption heat pump unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482381A (en) * | 2016-11-14 | 2017-03-08 | 双良节能系统股份有限公司 | The steam type first-class lithium bromide absorption type heat pump unit of carrying vapour direct heating |
| CN113397121A (en) * | 2021-07-06 | 2021-09-17 | 滁州学院 | Factory marinating juice circulating multi-frequency ultrasonic vacuum low-temperature marinating unit and working method thereof |
-
2016
- 2016-11-14 CN CN201621221899.0U patent/CN206191974U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482381A (en) * | 2016-11-14 | 2017-03-08 | 双良节能系统股份有限公司 | The steam type first-class lithium bromide absorption type heat pump unit of carrying vapour direct heating |
| CN106482381B (en) * | 2016-11-14 | 2019-06-07 | 双良节能系统股份有限公司 | The steam type first-class lithium bromide absorption type heat pump unit of carrying vapour direct heating |
| CN113397121A (en) * | 2021-07-06 | 2021-09-17 | 滁州学院 | Factory marinating juice circulating multi-frequency ultrasonic vacuum low-temperature marinating unit and working method thereof |
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