CN109114807A - A kind of Air-source Heat Pump crude oil heating system - Google Patents
A kind of Air-source Heat Pump crude oil heating system Download PDFInfo
- Publication number
- CN109114807A CN109114807A CN201810982115.3A CN201810982115A CN109114807A CN 109114807 A CN109114807 A CN 109114807A CN 201810982115 A CN201810982115 A CN 201810982115A CN 109114807 A CN109114807 A CN 109114807A
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- liquid
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- crude oil
- evaporator
- condenser
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- 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
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Central Heating Systems (AREA)
Abstract
A kind of Air-source Heat Pump crude oil heating system proposed by the present invention, belongs to Crude oil heater technical field.Including main compressor, auxiliary compressor, condenser, in calm the anger liquid/gas separator, evaporator, high pressure tank, heat exchanger plates and multiple electric expansion valves；Cycle fluid in condenser uses the carbon dioxide of trans critical cycle；The outlet of main compressor and the outlet of auxiliary compressor are respectively connected to condenser inlet, condensator outlet passes through calm the anger in electric expansion valve and extraction control valve the access import of liquid/gas separator gas-liquid and high pressure tank import respectively, high pressure tank outlet passes through liquid/gas separator air inlet of calming the anger in the access of the second electric expansion valve, in calm the anger liquid/gas separator gas outlet pass through pressure-regulating valve access auxiliary compressor import, in calm the anger liquid/gas separator leakage fluid dram pass through electric expansion valve access evaporator, evaporator outlet access main compressor import；Heat exchanger plates are between high pressure tank and evaporator.This system has low energy expenditure amount, high energy efficiency ratio.
Description
Technical field
The invention belongs to Crude oil heater technical field, in particular to a kind of Air-source Heat Pump crude oil heating system.
Background technique
Petroleum is the blood vessels of modern industry, and petroleum is mainly the crude oil gone out from ground end or offshore mining at present.Viscous crude
Asphalitine and colloid proportion is higher, viscosity is larger, therefore proportion is larger in crude resources.In thickened oil recovery process
In, crude oil is produced out in oil well, then transports to crude oil refineries by being thousands of kilometers of oil pipeline.However it is thick
The high viscosity of oil keeps its resistance during transmission & distribution big, and transmission & distribution energy consumption is high, and is easy to happen blockage problem.One of which solution
Certainly method is that the characteristics of increasing rapid decrease with temperature using viscosity of thickened oil, relay station is set up on crude oil transmission and distribution pipeline to thick
Oil is heated, so that viscous crude keeps relatively high temperature during transmission & distribution, is reduced transmission & distribution resistance, is reduced transmission & distribution energy consumption.
The heating means being currently mainly used has electric heating, burning boiler heating, solar energy heating and heat pump etc..Electricity
Heating belongs to the rudimentary utilization of high-grade energy, and energy consumption is higher.Burning boiler heating needs to consume a large amount of fuel, using energy source
Rate is not high, simultaneously because there is also the danger such as certain fire for the presence of open fire.Solar energy heating absorb solar energy to crude oil into
Row heating, however the heating method is high to weather degree of dependence, unstability is strong, and needs the sun of very big area in winter
Energy collecting plate and big scale of construction water tank are just able to satisfy heating requirements, and equipment investment cost is high, can be used as the supplementary means of heating,
But the main means as heating are inappropriate.Heat pump techniques extract heat to crude oil, efficiency using electric energy from heat source
It is relatively high, therefore application is more and more extensive, but when the temperature difference of heat source and crude oil is larger, the Energy Efficiency Ratio of heat pump, which can sharply decline, is
To can not work normally, it is therefore desirable to select suitable heat source.
Now it is respectively described below to published at present using several heat pump type crude oil heating systems of different heat sources:
1, geothermal source: using geothermal energy as the heat source of heat pump, geothermal energy has stronger potentiality, and summer can arrange to ground end
Heat, winter can take heat from ground end.However in the case where crude oil whole year needs the operating condition that heats, take heat without heat extraction from ground end for a long time,
It will lead to the reduction of ground end temperature, heat pump efficiency decline is until be unable to operate normally.Such as a kind of existing petroleum delivery pipeline
(application number: 201721060270.7), which includes geothermal energy heat pump, heating column, fixed flange, branch to energy heats device
Frame, petroleum inlet pipe, control cabinet；Geothermal-source heat pump is by geothermal-source heat pump machine, geothermal heat exchanger, thermal cycle water pipe, thermal cycle
Water tank and thermal cycle water pump are constituted.When the device is run, recirculated water is pumped by thermal cycle water pump by thermal cycle water pipe
Geothermal heat exchanger, the recirculated water of low temperature make thermal cycle water subsequently back into thermal cycle water tank by geothermal heating in heat exchanger
Water in case maintains 60 DEG C or more, while being mounted on the geothermal-source heat pump machine at thermal cycle water tank and heat is passed through heating column
The petroleum inside heat-insulated oil pipeline is passed to, by petroleum to 50 DEG C or more.The geothermal-source heat pump operational process of the device
The middle heat for having extracted shallow surface, due to the heat-blocking action of earth's surface, the heat being extracted is difficult to be supplemented, therefore in reality
It is often to pass through thermal cycle water tank summer to shallow surface heat extraction in engineering, winter takes out from shallow surface to thermal cycle water tank
Heat makes whole year heat budget at heat source reach balance.However heating crude oil is perennial, therefore using geothermal-source heat pump to original
Oil is heated, and the heat at heat source can be made constantly to be extracted, heat source temperature decline so that device Energy Efficiency Ratio decline until
It can not work normally.On the other hand, directly heat-insulated oil pipeline being passed through by heating column to heat crude oil, heat exchange area is small,
Heat transfer effect is bad.
2, sewage heat source: the sewage generated using oil mining crude oil had both been recycled as the heat source of heat pump by the heat source
The waste heat of sewage at oil well, and solve the heat source of heat pump, while the high temperature of sewage keeps the Energy Efficiency Ratio of heat pump
In a high numerical value.However since the relay station on crude oil transmission & distribution pipeline does not have corresponding sewage heat source, sewage heat source
It is only applicable at oil well, the large area for limiting the heat source uses.
3, air-source: air is stable and in the heat source that oil well and relay station all easily obtain, and can meet heat pump type crude oil and add
Requirement of the hot systems to heat source.But current air source heat pump, main problem is that reachable -20 DEG C of winter outside air temperature, crude oil needs
To be heated to 50 DEG C, the temperature difference is big, and the physical property of conventional working medium such as R134a is unable to satisfy big temperature difference phase transformation requirement.
Carbon dioxide trans-critical cycle is mainly used in hot water heat pump, automobile air conditioning technology field, has the advantages that original
Material uses carbon dioxide, and clean and environmental protection can reduce greenhouse gas emission；It exchanges heat suitable for the big temperature difference, heat can be taken from low-grade heat,
It is energy saving.But the report that carbon dioxide trans-critical cycle is applied to crude oil heating system is temporarily had no at present.
Summary of the invention
The purpose of the invention is to overcome the shortcoming of prior art, a kind of Air-source Heat Pump heating crude oil is provided
System.The heating system can solve the heat source select permeability of heat pump heating crude oil technology, use ubiquitous air-source pair
Crude oil is heated, and substitution electric heating, burning boiler heating reduce energy-output ratio；In addition, can be improved relative to geothermal source
The heat transfer effect of crude oil, and then improve the Energy Efficiency Ratio of this heating system.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of Air-source Heat Pump crude oil heating system, which is characterized in that the system includes main compressor (6), auxiliary pressure
Contracting machine (11), condenser (1), in calm the anger liquid/gas separator (3), evaporator (5), high pressure tank (8), heat exchanger plates (12) and more
A electric expansion valve；Wherein, the condenser (1) is connected with crude oil pipeline, and the cycle fluid in the condenser (1) uses
The carbon dioxide of trans critical cycle；The outlet of the main compressor (6) and the outlet of the auxiliary compressor (11) pass through respectively
Pipeline accesses the import of the condenser (1) jointly, and the condenser (1) outlet is respectively by being equipped with the first electric expansion valve (2)
Pipeline and be equipped with extraction control valve (7) pipeline access medium pressure gas-liquid separator (3) gas-liquid import and the high pressure
The import of air accumulator (8), the outlet of the high pressure tank (8) is by being equipped with described in the pipeline access of the second electric expansion valve (9)
In calm the anger the air inlets of liquid/gas separator (3), the gas outlet for liquid/gas separator (3) of calming the anger in this is by being equipped with pressure-regulating valve (10)
Pipeline accesses the import of the auxiliary compressor (11), and the leakage fluid dram of medium pressure gas-liquid separator (3) is by being equipped with third electricity
The pipeline of sub- expansion valve (4) accesses the import of the evaporator (5), and the outlet of the evaporator (5) accesses the main compressor (6)
Import；The heat exchanger plates (12) are between the high pressure tank (8) and the evaporator (5).
Preferably, the condenser (1) is using in spiral baffle heat exchanger, shell and tube exchanger or plate heat exchanger
Any one.
Preferably, the evaporator (5) uses air-cooled heat exchanger.
Preferably, the heat exchanger plates (12) are fan coil.
The features of the present invention and the utility model has the advantages that
(1) select carbon dioxide as cycle fluid, carbon dioxide trans-critical cycle is heat pump cycle, so that making basis
Air that is stable and easily obtaining can be used as heat source in heating system for oil, and by main compressor, condenser, expansion valve, middle pressure
The heat pump assembly that gas-liquid separator, expansion valve, evaporator are constituted can operate normally under operating condition in winter, still there is higher efficiency
Than.Further, since using air as heat source, therefore, this heating system can be mounted at relay station, also mountable in oil well
Place, is not limited by installation site.
(2) cycle fluid of gas-liquid separator separates gaseous state and liquid is pressed in utilizing, gaseous recycle working medium passes through pressure tune
Section valve, auxiliary compressor return to condenser, reduce the load of main compressor, improve this heating system efficiency.
(3) condenser selects spiral baffle heat exchanger, reduces the flow resistance in crude oil pipeline, enhances heat transfer effect,
Transmission & distribution energy consumption and equipment volume are reduced, while the direction that exchanges heat is counterflow heat exchange, heat transfer effect is abundant, reduces fire product loss, mentions
High this heating system Energy Efficiency Ratio.
(4) defroster being made of extraction control valve, high pressure tank, the second electric expansion valve and heat exchanger plates, so that
This heating system can not shut down defrosting continuously, avoid causing evaporator effectiveness to reduce because of frosting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Air-source Heat Pump of embodiment of the present invention crude oil heating system.
Specific embodiment
Technical solution of the present invention is described further with reference to the accompanying drawings and embodiments.
It is a kind of structural schematic diagram of Air-source Heat Pump crude oil heating system of the embodiment of the present invention referring to Fig. 1.It should add
Hot systems include main compressor 6, auxiliary compressor 11, condenser 1, middle pressure (1.6~3.0Mpa or so) gas-liquid separator 3, steam
Send out device 5, high pressure (1.4Mpa or more) air accumulator 8, heat exchanger plates 12 (for fan coil) and multiple electric expansion valves；Main compressor
6, condenser 1, electric expansion valve 2, in calm the anger liquid/gas separator 3, electric expansion valve 4, evaporator 5 be sequentially connected constitute heat pump dress
It sets；Wherein, condenser 1 is connected with crude oil pipeline 0, and the cycle fluid in condenser 1 uses the titanium dioxide of trans critical cycle
Carbon；The outlet of main compressor 6 and the outlet of auxiliary compressor 11 pass through pipeline respectively and access 1 import of condenser, condenser 1 jointly
Outlet is respectively by pressing gas-liquid separation in the pipeline equipped with the first electric expansion valve 2 and the access of the pipeline equipped with extraction control valve 7
The outlet of the gas-liquid import of device 3 and the import of high pressure tank 8, high pressure tank 8 passes through the pipe equipped with the second electric expansion valve 9
Calm the anger in road access the air inlet of liquid/gas separator 3, in the calm the anger gas outlet of liquid/gas separator 3 pass through the pipe for being equipped with pressure-regulating valve 10
Road access auxiliary compressor 11 import, in calm the anger liquid/gas separator 3 leakage fluid dram pass through be equipped with third electric expansion valve 4 pipeline
5 import of evaporator is accessed, the outlet of evaporator 5 accesses 6 import of main compressor by pipeline；Heat exchanger plates 12 are located at high pressure tank 8
Between evaporator 5.
Each synthesizer part is conventional products in the embodiment of the present invention.Wherein, extraction control valve 7, high pressure tank 8,
Two electric expansion valves 9 and heat exchanger plates 12 collectively form defroster, allow this heating system not shut down defrosting continuously, avoid
Because frosting causes evaporator effectiveness to reduce.Condenser 1 is using spiral baffle heat exchanger, shell and tube exchanger or plate heat exchanger
In any one；Preferably, condenser 1 uses spiral baffle heat exchanger, carries out counterflow heat exchange to working medium and crude oil, improves
Heating effect reduces transmission & distribution resistance.Evaporator 5 uses air-cooled heat exchanger.
The working principle of heating system of the present invention are as follows:
Carbon dioxide mutually becomes gaseous state and takes heat from air at evaporator 5, enters condenser 1 after being compressed by main compressor 6
Middle condensation, crude oil enter condenser 1 from crude oil pipeline 0 and are changed with cycle fluid (carbon dioxide trans-critical cycle)
Heat heats crude oil, reaches and returns to crude oil transmission and distribution pipeline from condenser after target temperature.The circulation industrial that condenser 1 exports
Matter a part is extracted by extraction control valve 7 into high pressure tank 8, by heat exchanger plates 12 and 5 surface heat exchanging of evaporator into
It is capable not shut down defrosting, prevent evaporator surface frosting from system is unable to operate normally, then by the second electric expansion valve 9 into
It calms the anger in entering liquid/gas separator 3；Remainder passes through liquid/gas separator 3 of calming the anger in the entrance of the first electric expansion valve 2, liquid of calming the anger in point
From in device 3, cycle fluid carries out gas-liquid separation, gas part pass sequentially through pressure-regulating valve 10 returned to auxiliary compressor 11 it is cold
Continue to condense in condenser 1, reduces the power consumption of main compressor 6；Liquid portion is complete into evaporator 5 by third electric expansion valve 4
At major cycle.
When temperature reduces, the air quantity at evaporator is increased according to local operating condition, changes simultaneously the big of extraction control valve 7
It is small, increase pumping ratio.
The foregoing is merely illustrative of the preferred embodiments of the present invention, not limits the scope of protection of the present invention, all in this hair
Bright is spiritual with any modification, equivalent substitution, improvement and etc. done within principle, in the protection scope of the present invention for including.
Claims (4)
1. a kind of Air-source Heat Pump crude oil heating system, which is characterized in that the system includes main compressor (6), auxiliary compression
Machine (11), condenser (1), in calm the anger liquid/gas separator (3), evaporator (5), high pressure tank (8), heat exchanger plates (12) and multiple
Electric expansion valve；Wherein, the condenser (1) is connected with crude oil pipeline, the cycle fluid in the condenser (1) use across
The carbon dioxide of critical cycle；The outlet of the main compressor (6) and the outlet of the auxiliary compressor (11) pass through pipe respectively
Road accesses the import of the condenser (1) jointly, and the condenser (1) outlet is respectively by being equipped with the first electric expansion valve (2)
Pipeline and the pipeline for being equipped with extraction control valve (7) access the gas-liquid import and high pressure storage of medium pressure gas-liquid separator (3)
The import of gas tank (8), the outlet of the high pressure tank (8) are accessed in described by being equipped with the pipeline of the second electric expansion valve (9)
It calms the anger the air inlets of liquid/gas separator (3), the gas outlet for liquid/gas separator (3) of calming the anger in this passes through the pipe for being equipped with pressure-regulating valve (10)
Road accesses the import of the auxiliary compressor (11), and the leakage fluid dram of medium pressure gas-liquid separator (3) is by being equipped with third electronics
The pipeline of expansion valve (4) accesses the import of the evaporator (5), and the outlet of the evaporator (5) accesses the main compressor (6)
Import；The heat exchanger plates (12) are between the high pressure tank (8) and the evaporator (5).
2. Air-source Heat Pump crude oil heating system according to claim 1, which is characterized in that the condenser (1) is adopted
With any one in spiral baffle heat exchanger, shell and tube exchanger or plate heat exchanger.
3. Air-source Heat Pump crude oil heating system according to claim 1 or 2, which is characterized in that the evaporator (5)
Using air-cooled heat exchanger.
4. Air-source Heat Pump crude oil heating system according to any one of claims 1 to 3, which is characterized in that institute
Stating heat exchanger plates (12) is fan coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810982115.3A CN109114807A (en) | 2018-08-27 | 2018-08-27 | A kind of Air-source Heat Pump crude oil heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810982115.3A CN109114807A (en) | 2018-08-27 | 2018-08-27 | A kind of Air-source Heat Pump crude oil heating system |
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| Publication Number | Publication Date |
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| CN109114807A true CN109114807A (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810982115.3A Pending CN109114807A (en) | 2018-08-27 | 2018-08-27 | A kind of Air-source Heat Pump crude oil heating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883048A (en) * | 2019-04-11 | 2019-06-14 | 江苏拓博制冷科技有限公司 | A kind of pump type heat oil liquid heating unit |
| CN113739419A (en) * | 2021-09-26 | 2021-12-03 | 上海智楹机器人科技有限公司 | Waste heat recovery type household intelligent kitchen waste disposer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050115260A1 (en) * | 2003-12-01 | 2005-06-02 | Yap Zer K. | Water heating system |
| CN205119545U (en) * | 2015-10-20 | 2016-03-30 | 西安交通大学 | Compound heat pump system of critical CO2 strides |
| CN206257828U (en) * | 2016-12-09 | 2017-06-16 | 黑龙江爱科德科技有限公司 | Crude oil transportation is with compound carbon dioxide heating apparatus |
| CN107014076A (en) * | 2017-05-27 | 2017-08-04 | 中原工学院 | A kind of three pressure high-efficiency air cooling Teat pump boilers suitable for high and low temperature environment |
| CN108253650A (en) * | 2018-01-18 | 2018-07-06 | 西安交通大学 | A kind of control method of critical-cross carbon dioxide combined heat-pump system |
-
2018
- 2018-08-27 CN CN201810982115.3A patent/CN109114807A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050115260A1 (en) * | 2003-12-01 | 2005-06-02 | Yap Zer K. | Water heating system |
| CN205119545U (en) * | 2015-10-20 | 2016-03-30 | 西安交通大学 | Compound heat pump system of critical CO2 strides |
| CN206257828U (en) * | 2016-12-09 | 2017-06-16 | 黑龙江爱科德科技有限公司 | Crude oil transportation is with compound carbon dioxide heating apparatus |
| CN107014076A (en) * | 2017-05-27 | 2017-08-04 | 中原工学院 | A kind of three pressure high-efficiency air cooling Teat pump boilers suitable for high and low temperature environment |
| CN108253650A (en) * | 2018-01-18 | 2018-07-06 | 西安交通大学 | A kind of control method of critical-cross carbon dioxide combined heat-pump system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883048A (en) * | 2019-04-11 | 2019-06-14 | 江苏拓博制冷科技有限公司 | A kind of pump type heat oil liquid heating unit |
| CN113739419A (en) * | 2021-09-26 | 2021-12-03 | 上海智楹机器人科技有限公司 | Waste heat recovery type household intelligent kitchen waste disposer |
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Application publication date: 20190101 |