CN207585132U - One kind is pumped based on the first kind absorption type heat of mixing - Google Patents
One kind is pumped based on the first kind absorption type heat of mixing Download PDFInfo
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- CN207585132U CN207585132U CN201721474515.0U CN201721474515U CN207585132U CN 207585132 U CN207585132 U CN 207585132U CN 201721474515 U CN201721474515 U CN 201721474515U CN 207585132 U CN207585132 U CN 207585132U
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- heat
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- heat exchanger
- evaporator
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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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Abstract
It is pumped the utility model discloses one kind based on the first kind absorption type heat of mixing, which includes evaporator, condenser, heat exchanger, compressor, absorber, heat exchanger, regenerator and boiler；The condensed water heating evaporation that sewage will enter evaporator from condenser, evaporator are connect with absorber；Absorber, heat exchanger and regenerator form heat-exchanging loop after being connected by lithium-bromide solution pipeline；Boiler ensures the regeneration of lithium-bromide solution in heat exchanger, and regenerator is connect with condenser；Liquid organic circulation working medium respectively enters absorber and condenser, unification imports compressor after liquid organic circulation working medium is thermally formed gaseous working medium by absorber and condenser respectively, mixed gaseous working medium is compressed to set temperature by compressor compresses acting and pressure enters heat exchanger and external heating water is heated, heating water after being heated is admitted to heating grid and heats, and becoming liquid organic circulation working medium after gaseous working medium heat exchange continues to participate in cycle heat exchange.
Description
Technical field
The utility model is related to the oil extraction-generated waste water technical field of waste heat utilization of petroleum industry, and in particular to one kind is based on first
Kind absorption type mixing heat pump.
Background technology
At present, the mined water content in crude oil of oil field at home is very high (generally more than 90%), and crude oil is from ground
Under produce after the multi-purpose station in region is aggregated by terminal on the way crude oil is carried out dehydrating.Domestic diverse geographic location
Crude oil be not quite similar due to physical property, so treatment process is also not exclusively the same.But main process is the methods of passing through sedimentation
It realizes water-oil separating, the moisture content of crude oil is reduced to less than 0.03%.
In oil water separation process, the sewage after separation still has certain heat (38~45 DEG C), after simple process
It discharges or is recycled into oil well after being aggregated into sewage treatment plant's processing, if the thermal energy in sewage efficiently use is
A kind of waste to thermal energy.
At present, it is directly using the direct temperature raising of compression heat pump using low grade heat energy method one kind, this method really may be used
To utilize the part of waste heat, but power consumption is very big, and since electricity is secondary energy sources, grade is higher, is used directly to promote potential temperature
Economy is very improper.Another method is the heat extracted in reinjected water, for industry after being heated up by absorption heat pump
Production and civil heating, absorption heat pump although basic not consuming electric power, but due to its technical principle limit temperature rise it is limited, it is impossible to
The technology is promoted on a large scale.
Absorption heat pump is divided into as first-class absorption type heat pump and second-kind absorption-type heat pump.First-class absorption type heat pump is again
Referred to as increase heating type heat pump, it is to recycle low temperature exhaust heat heat by driving heat source of high temperature heat, then output can in the form of middle potential temperature
With heat；Second-kind absorption-type heat pump is also known as temperature-increasing type heat pump, it is the which part heat using medium temperature waste heat as driving heat source
Heat can be used with high temperature form output, remaining is discharged into the form of more low temperature position in environment.
Utility model content
In view of this, the utility model provides a kind of based on first kind absorption type heat of mixing pump, is ensureing cost of investment
In the case of increase rate very little, operating cost is reduced more than 50%, substantially shortens payoff period, there is great economic benefit.
The shortcomings that prior art energy consumption is big, costly is overcome, more available thermal energy can be obtained using the less energy.
One kind is pumped based on the first kind absorption type heat of mixing, which includes evaporator, condenser, heat exchanger, compressor, suction
Receive device, heat exchanger, regenerator and boiler；
External sewage is discharged after entering the tube side heat exchange of evaporator, and the shell side inlet of evaporator is connected with condenser, dirty
The condensed water heating evaporation that water will enter in evaporator shell side from condenser, the shell-side outlet of evaporator are connect with absorber；Institute
State absorber, heat exchanger forms heat-exchanging loop after being connected with regenerator by lithium-bromide solution pipeline；Boiler leads to regenerator
The regeneration that pipeline connection ensures lithium-bromide solution in heat exchanger is crossed, regenerator is connect by water vapour pipeline with condenser；
Liquid organic circulation working medium respectively enters absorber and condenser, and absorber and condenser are followed liquid is organic respectively
Ring working medium is thermally formed unified remittance compressor after gaseous working medium, and mixed gaseous working medium passes through compressor compresses acting and continues
It is compressed to after set temperature and pressure and external heating water is heated into heat exchanger, the heating water after being heated is sent
Enter the grid that heats to heat, becoming liquid organic circulation working medium after gaseous working medium heat exchange continues to participate in cycle heat exchange.
Further, pump and throttle valve, purpose are respectively equipped on pipeline in parallel between the regenerator and heat exchanger
It is that the lithium-bromide solution between regenerator and heat exchanger is made to form cycle.
Further, pump and throttle valve are sequentially connected on the pipeline between the evaporator and condenser, it is therefore an objective to will be cold
Condensed water in condenser is pumped into evaporator.
Further, the temperature of the external sewage is 38~45 DEG C, and temperature of the sewage after evaporator heat exchange is down to 28
~35 DEG C.
Advantageous effect：
1st, absorption heat pump is combined by the utility model with two kinds of technologies of compression heat pump, using absorption heat pump technology as
Basis, the cooperation compression heat pump auxiliary gain of heat, heats required potential temperature.In the case where ensureing cost of investment increase rate very little
Operating cost is reduced more than 50%, substantially shortens payoff period, there is great economic benefit.
2nd, the utility model has good operating characteristics, very strong followability and self-balance ability, when external process parameter
When (temperature, pressure, hot water inlet's temperature and the flow of such as waste heat source, circulating cooling water temperature) remains unchanged, heat pump can be quickly
Into stable state, and run very steady.Once external process parameter changes, (such as lithium bromide is molten for heat pump inner parameter
Concentration, evaporating pressure, condensing pressure of liquid etc.) it will be automatically adjusted to new equalization point rapidly and enter stable state, without behaviour
Make any adjusting as personnel.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
As shown in Figure 1, the utility model provides a kind of based on first kind absorption type heat of mixing pump, which includes steaming
Send out device, condenser, heat exchanger, compressor, absorber, heat exchanger, regenerator and boiler；
External sewage enters the tube side of evaporator, and the shell side inlet of evaporator is connected by pipeline with condenser, pipeline
Upper installation pump and throttle valve, the shell-side outlet of evaporator are connected by steam pipework with absorbing, absorber, heat exchanger and regeneration
Device forms heat-exchanging loop after being connected by lithium-bromide solution pipeline, and pump is respectively equipped on the pipeline between regenerator and heat exchanger
And throttle valve；Boiler connect the regeneration for ensureing lithium-bromide solution in heat exchanger with regenerator by pipeline, and regenerator is steamed by water
Vapor pipeline is connect with condenser.Liquid organic circulation working medium respectively enters absorber and condenser, absorber and condenser difference
Unification imports compressor after liquid organic circulation working medium is thermally formed gaseous working medium, and mixed gaseous working medium passes through compressor
Compressed action is compressed to set temperature and pressure enters heat exchanger and external heating water is heated, the heating after being heated
Water is admitted to heating grid and heats, and becoming liquid organic circulation working medium after gaseous working medium heat exchange continues to participate in circulating picture-changing
Heat.
Operation principle：First, 38~45 DEG C of oilfield sewage 20 enters evaporator tube side, and heat is used for heating shell side
Condensed water 9, it is 28~35 DEG C that the sewage 21 after heat exchange, which goes out evaporator temperature,；Evaporator shell side is to carry out condenser by throttle valve
The self-circulating water mixing liquid of condensed water 9 and evaporator after throttling cooling, after distribution grid cloth liquid, uniformly along pipe outer wall
Falling liquid film flows downward, and progressively reaches saturation shape by heat exchange and starts to evaporate, and generates steam 8 and is absorbed into absorber, is not steamed
The water of hair flows back into evaporator shell side inlet, and the self-circulating water as evaporator continues next heat cycles.
Lithium bromide concentrated solution 5 from solution heat exchanger when having just enter into absorber in unsaturated state, is inhaled reaching
It receives above the distribution grid of device and in the very short time of landing, absorbs a large amount of water vapours 8 and reach saturation, in the top shell of absorber device
Journey forms an apparent Wen Shengqu, becomes the highest temperature humidity province of entire absorber, subsequent solution gas-liquid two-phase is in falling liquid film
It is conducted heat always in dynamic equilibrium by mass transfer enhancement in the process, solution temperature declines, and concentration reduces, and eventually forms lithium bromide
Weak solution 6 is regenerated after entering solution heat exchanger heat exchange into regenerator；It is from heat exchanger~50 DEG C in absorber tube
Liquid organic circulation working medium 12 by absorber/evaporator with managing outer high temperature lithium-bromide solution countercurrent flow, obtains design code
The organic circulation working substance steam 13 of Wen Sheng~55 DEG C, the organic circulation working substance steam are admitted to compressor compresses.
Lithium bromide weak solution 6 enters after heat exchanger exchanges heat with the lithium bromide concentrated solution 4 after regenerator regeneration and enters
Regenerator is regenerated；Lithium bromide weak solution 7 after being exchanged heat by regenerator enters regenerator, from 85~90 DEG C of heat of boiler
Cycle fluid 1 heats it, and lithium bromide weak solution evaporates water vapour 3 and is concentrated during heating, after concentration
Lithium bromide concentrated solution 4 be pumped to heat exchanger and exchange heat with lithium bromide weak solution 6；After exchanging heat with lithium bromide weak solution 7
80~85 DEG C of thermal cycle working medium 2 enters boiler heating, is recycled into regenerator.
Steam 3 from regenerator enters condenser, and about 50 DEG C of liquid organic circulation working medium 11 from heat exchanger are added
Heat is into 55 DEG C of organic circulation working substance steam, organic circulation working substance steam 14 after heating and after carrying out self-absorption/evaporator heating
Organic circulation working substance steam 13 be mixed into compressor, mixed organic circulation working substance steam 15 is done by compressor compresses
Work(temperature is about 70 DEG C, and about 70 DEG C of organic circulation working substance steam 16 enters heat exchanger, and about 50 DEG C of heating water 19 is added
Heat, the heating water 18 after being heated are admitted to heating grid and heat, and about 70 DEG C of organic circulation working substance steam 16 exchanges heat
Become about 50 DEG C of liquid organic circulation working medium 11 afterwards and continue to participate in cycle heat exchange.
In conclusion the above is only the preferred embodiments of the present utility model only, it is not intended to limit the utility model
Protection domain.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all wrap
Containing being within the protection scope of the utility model.
Claims (3)
1. one kind based on the first kind absorption type heat of mixing pump, which is characterized in that the heat pump include evaporator, condenser, heat exchanger,
Compressor, absorber, heat exchanger, regenerator and boiler；
External sewage is discharged after entering the tube side heat exchange of evaporator, and the shell side inlet of evaporator is connected with condenser, and sewage will
Enter the condensed water heating evaporation in evaporator shell side from condenser, the shell-side outlet of evaporator is connect with absorber；The suction
Receive device, heat exchanger forms heat-exchanging loop after being connected with regenerator by lithium-bromide solution pipeline；Boiler passes through pipe with regenerator
Road connection ensures the regeneration of lithium-bromide solution in heat exchanger, and regenerator is connect by water vapour pipeline with condenser；
Liquid organic circulation working medium respectively enters absorber and condenser, and absorber and condenser are respectively by liquid organic circulation work
Matter is thermally formed unified remittance compressor after gaseous working medium, and mixed gaseous working medium continues to be pressed by compressor compresses acting
It is reduced to after set temperature and pressure and external heating water is heated into heat exchanger, the heating water after being heated is admitted to confession
Hot water pipe net heats, and becoming liquid organic circulation working medium after gaseous working medium heat exchange continues to participate in cycle heat exchange.
It is 2. as described in claim 1 a kind of based on first kind absorption type heat of mixing pump, which is characterized in that the regenerator and heat
Pump and throttle valve are respectively equipped on pipeline in parallel, it is therefore an objective to make the lithium bromide between regenerator and heat exchanger between exchanger
Solution forms cycle.
It is 3. as claimed in claim 1 or 2 a kind of based on first kind absorption type heat of mixing pump, which is characterized in that the evaporator
Pump and throttle valve are sequentially connected on pipeline between condenser, it is therefore an objective to which the condensed water in condenser is pumped into evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721474515.0U CN207585132U (en) | 2017-11-07 | 2017-11-07 | One kind is pumped based on the first kind absorption type heat of mixing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721474515.0U CN207585132U (en) | 2017-11-07 | 2017-11-07 | One kind is pumped based on the first kind absorption type heat of mixing |
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| CN207585132U true CN207585132U (en) | 2018-07-06 |
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| CN201721474515.0U Active CN207585132U (en) | 2017-11-07 | 2017-11-07 | One kind is pumped based on the first kind absorption type heat of mixing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883604A (en) * | 2017-11-07 | 2018-04-06 | 北京拓首能源科技股份有限公司 | One kind is based on the first kind absorption type heat of mixing pump |
-
2017
- 2017-11-07 CN CN201721474515.0U patent/CN207585132U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883604A (en) * | 2017-11-07 | 2018-04-06 | 北京拓首能源科技股份有限公司 | One kind is based on the first kind absorption type heat of mixing pump |
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