CN201462405U - Crude oil heating and delivering system of solar-combined heat pump - Google Patents

Crude oil heating and delivering system of solar-combined heat pump Download PDF

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Publication number
CN201462405U
CN201462405U CN2009200765845U CN200920076584U CN201462405U CN 201462405 U CN201462405 U CN 201462405U CN 2009200765845 U CN2009200765845 U CN 2009200765845U CN 200920076584 U CN200920076584 U CN 200920076584U CN 201462405 U CN201462405 U CN 201462405U
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CN
China
Prior art keywords
hot water
crude oil
solar
storage tank
water storage
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CN2009200765845U
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Chinese (zh)
Inventor
屠功毅
王学生
门启明
高琼
吴磊
疏敏
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华东理工大学
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Priority to CN2009200765845U priority Critical patent/CN201462405U/en
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Publication of CN201462405U publication Critical patent/CN201462405U/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

Abstract

The utility model discloses a crude oil heating and delivering system of a solar-combined heat pump, which comprises a solar heat collection device, a small heat storage water tank, a big heat storage water tank and a middle heat exchanger. The crude oil heating and delivering system of the solar-combined heat pump is characterized in that a crude oil input end and a crude oil output end of the middle heat exchanger are connected with a crude oil input pipeline respectively, a heat pump heating system is connected on the big heat storage water tank, the heat pump heating system is formed by connecting two ends of an evaporator with a condenser through a compressor and a throttle valve respectively, and the condenser is connected with the big heat storage water tank. The crude oil heating and delivering system of the solar-combined heat pump can replace natural gas with a solar-combined heat pump system to heat and deliver the crude oil, thereby saving a large quantity of energy consumption, reducing the environmental pollution and purifying the environment. The whole system has the advantages of reasonable structure, convenient use and the like.

Description

Solar association heat pump crude oil transportation system

Technical field

The present invention relates to a kind of solar energy that utilizes and join the crude oil transportation system of associating heat pump, belong to the heating crude oil technical field as clean energy resource.

Background technique

The condensation point of crude oil of China is generally higher, and viscosity is big, and the normal temperature current downflow is poor, so after crude oil is pooled to the ground metering station from each individual well, often need be with heating crude oil to 50 ℃~60 ℃, to keep its good flowability in the transport process at each station after being sent to again.Thereby heating crude oil need consume the great amount of conventional energy: use coal combustion, oil, rock gas and electrical heating method to realize heating crude oil.But not only Crude Oil Transportation system energy utilization rate is on the low side for this mode of heating, and energy matter usability is very poor, has caused the consumption and the waste of fossil energy, but also has caused the serious environmental pollution problem.

For addressing the above problem, seeking the conventional heating crude oil mode of movement of mode of heating replacement energy-conservation, cleaning becomes hot research in recent years.Publication number be CN1654879 patent disclosure a kind of solar energy indirect heating transporting system that comprises solar heat collector, little hot water storage tank, Intermediate Heat Exchanger and oven, utilize solar energy partly to substitute conventional energy resource heating conveying crude oil, saved energy consumption, play the minimizing environmental pollution, the effect of environment purification.

But prior art can only utilize solar energy to substitute the part natural gas energy resource, reaches the purpose that reduces gas consumption in the indirect heating crude oil transportation process, can not replace natural gas energy resource consumption fully.The utility model has added heat pump, electric heater on this basis, removes oven, makes it become solar association heat pump crude oil transportation system, thereby replaces the gas-firing mode of heating, realizes round-the-clock stable operation.Heat pump techniques is the power-saving technology of high-efficiency environment friendly.Its most significant advantage is energy-conservation, compares with the pure resistance heating system, and it can economize on electricity about 70%.Heat pump is that a kind of high potential that utilizes makes heat flow to the energy saving device of high-order thermal source from low level heat energy.Though heat pump needs to consume a certain amount of high potential, but the heat that it is supplied with is that the summation of Lowlevel thermal energy of the high level heat that consumes and absorption is (with reference to Chen Dong, Xie Jihong. heat pump techniques and application thereof [M]. Beijing: Chemical Industry Press, 2006.45-184), promptly heat pump can be sent to high temperature heat source from low-temperature heat source with 3 to 6 times of heat energy of self energy consumption.Improved system has wider using scope and the utilization efficiency of Geng Gao than original technology in the field that industry, civilian, the particularly heating crude oil of oilfield enterprise are carried, and popularization and development prospect are more extensive.

Summary of the invention

The utility model adopts solar association heat pump mode to replace the gas-firing mode of heating, reaches the purpose that replaces rock gas in heating conveying crude oil process.This technology is used not only energy-conservation but also environmental protection, has bigger economy and social effect.

The utility model is achieved through the following technical solutions:

A kind of solar association heat pump crude oil transportation system, described system comprises solar heat collector 36, little hot water storage tank 16, big hot water storage tank 17, Intermediate Heat Exchanger 12, the hot water input end 25 of Intermediate Heat Exchanger 12 connects the output end of hot water 31 of little hot water storage tank by pipeline, the output end of hot water 26 of Intermediate Heat Exchanger connects the input end 27 of solar heat collector and a hot water input end 35 of little hot water storage tank respectively, the output terminal 28 of solar heat collector connects another hot water input end 30 of little hot water storage tank, another output terminal 32 of little hot water storage tank connects the input end 33 of big hot water storage tank, and the output terminal 34 of big hot water storage tank connects the output terminal 29 of little hot water storage tank; It is characterized in that, the crude oil input end 23 of Intermediate Heat Exchanger links to each other with the crude oil intake pipeline respectively with crude oil output terminal 24, there is a heat pump heating system 18 to be connected on the big hot water storage tank 17, described heat pump heating system 18 is connected condenser 22 by compressor 19 with throttle valve 21 respectively by vaporizer 20 two ends and forms, and condenser 22 is connected with big hot water storage tank 17.

In the technique scheme, an electric heater 13 can be set in little hot water storage tank 16.

In the technique scheme, described solar heat collector 36 is the solar thermal collector array.

Beneficial effect

The utlity model has following advantage:

1, the utility model is compound in the solar energy heating crude oil transportation system with heat pump techniques, and the heat pump of design adopts high-efficiency evaporator, can effectively utilize low-temperature heat source, improves system effectiveness.System adopts high temperature environmental protection working medium, improves the output temperature of heat pump, and environment is not polluted.

2, the utility model adopts solar energy in large area thermal-arrest array, utilizes solar energy in large area collector array and heat pump heat supply to produce heat medium water, and heat medium water comes indirect heating crude oil at Crude oil heater.Simultaneously can be according to different collector efficiencies and the isoparametric influence of solar radiation intensity, calculate the needed heat collector area of heating in crude oil through thermomechanics and thermal conduction study, calculate the variation of heat collector import and export water temperature under the certain flow, the series and parallel optimum organization that calculates large size heat collector square formation through the fluid mechanics that circulating water in the heat collector is carried out distributes.

3, the utility model adopts system's heat exchanger network synthesis optimisation technique, carrying out optimal combination in the system between solar thermal collector array, heat pump, Crude oil heater array, the large and small hot water storage tank arranges, little hot water storage tank is used for the quick startup of system, the unnecessary heat that big hot water storage tank is used for system stores, the heating time of prolongation system, demonstrate fully the function separately and the advantage of distinct device, each link complements each other during operation, makes whole system reach the optimum state of efficient.

Description of drawings

Fig. 1 is the utility model solar association heat pump crude oil transportation system flow chart.

Wherein, 1~11: autocontrol valve, 12: heat exchanger, 13: electric heater, 14,15: recycle pump, 16: little hot water storage tank, 17: big hot water storage tank, 18: heat pump heating system, 19: compressor, 20: vaporizer, 21: throttle valve, 22: condenser, 23,24: the crude oil input end of Intermediate Heat Exchanger, output terminal, 25,26: the hot water input end of Intermediate Heat Exchanger, output terminal, 27,28: the input end of solar heat collector, output terminal, 31,32: little hot water storage tank output terminal, 29,30,35: little hot water storage tank input end, 33,34: the input end of big hot water storage tank, output terminal.

Embodiment

1 flow chart illustrates working principle of the present utility model in conjunction with the accompanying drawings, and the utility model is further elaborated.

Press and connect solar association heat pump crude oil transportation system shown in the accompanying drawing 1. under the normal solar radiation condition, heat pump 18 does not start, recycle pump 14 is opened, with the hot water of little hot water storage tank 16 through autocontrol valve 5,3 enter in the heat exchanger 12, in heat exchanger 12, carry out heat exchange with crude oil, this moment valve 4,6 close. enter the hot water of heat exchanger and crude oil heat exchange after autocontrol valve 8 enters solar heat collector 36 is the solar thermal collector array, after the heat collector heating, enter little hot water storage tank 16 through autocontrol valve 9 again, this moment, valve 7 was closed. when the temperature of finding little hot water storage tank 16 is higher, there is this moment unnecessary heat to store, then automatic ON cycle pump 15, hot water is after autocontrol valve 11 enters big hot water storage tank 17 accumulation of heats, again through 10 times little hot water storage tanks of autocontrol valve, and when the output terminal 31 of little hot water storage tank 16 is sent to that temperature in the Intermediate Heat Exchanger 12. solar thermal collector arrays is low can't to make water temperature improve, hot water in heat exchanger 12 and crude oil heat exchange after 7 times little hot water storage tanks 16 of autocontrol valve, this moment, autocontrol valve 8 was closed, and big hot water storage tank 17 is to little hot water storage tank additional heat.

When running into solar irradiation weather seldom such as cloudy day, rainy day, perhaps do not have at night in the time of need producing hot water under the condition of solar irradiation, open heat pump 18.Before starting heat pump 18, throttle down 8,9, start recycle pump 15 earlier, pump operating cycle starts heat pump 18 after 2 minutes, working medium enters in the vaporizer 20 after throttle valve 21 step-downs, obtains evaporation by the low-grade heat that absorbs surrounding environment (air, underground water, underground heat etc.).The refrigerant vapor that flows out from vaporizer is sucked and is compressed into the refrigerant vapor of High Temperature High Pressure by compressor 19.Then, the refrigerant vapor of High Temperature High Pressure enters in the coil pipe of condenser 22, utilizes the heat of condensation of refrigerant vapor to heat water in the big hot water storage tank 17, improves the temperature of water.Enter again behind the parts such as condensed working medium process device for drying and filtering, throttle valve 21 and absorb heat again, evaporate in the vaporizer 20, finish once complete circulation thus.Utilize the working medium circulation to produce hot water.The hot water of producing leaves in the big hot water storage tank 17, through autocontrol valve 10, and 29 times little hot water storage tanks 16 of little hot water storage tank input end, be sent to Intermediate Heat Exchanger 12 through output terminal 31, this moment, valve 7 was opened, when low as if the temperature of finding little hot water storage tank, and opening electric heater 13.

When running into the not overabundant weather of illumination, use the solar association heat pump heating system.That is: heat the water that is stored in the little hot water storage tank 16 through the solar thermal collector array, utilize recycle pump 15 to heat again to big hot water storage tank 17 usefulness heat pumps through valve 11.

Stability for the operation of assurance system, make the import hot water temperature of heat exchanger not be subjected to directly influencing of solar irradiance transient change or heat pump heat supply efficient height, the hot water of solar thermal collector array outlet end 28 at first enters the water in little hot water storage tank 16 and the big hot water storage tank 17 of heat pump, enters Intermediate Heat Exchanger 12 by little hot water storage tank again.System of the present invention is provided with two hot water storage tanks of size.Little hot water storage tank 16 and electric heater 13 are mainly used to the quick startup of the system that guarantees, make the hot water temperature of heat collector heating, reach Intermediate Heat Exchanger 12 needed running temperatures as early as possible.Big hot water storage tank 17 is used for storing unnecessary heat energy, and temporary transient have more than is needed energy stores with the form of hot water when higher solar radiant energy peak or heat pump 18 heating efficiencies, uses when low in order to solar radiation deficiency or heat pump heating efficiency.

Claims (3)

1. solar association heat pump crude oil transportation system, described system comprises solar heat collector (36), little hot water storage tank (16), big hot water storage tank (17), Intermediate Heat Exchanger (12), the hot water input end (25) of Intermediate Heat Exchanger (12) connects the output end of hot water (31) of little hot water storage tank by pipeline, the output end of hot water of Intermediate Heat Exchanger (26) connects the input end (27) of solar heat collector and a hot water input end (35) of little hot water storage tank respectively, the output terminal of solar heat collector (28) connects another hot water input end (30) of little hot water storage tank, another output terminal (32) of little hot water storage tank connects the input end (33) of big hot water storage tank, and the output terminal (34) of big hot water storage tank connects the output terminal (29) of little hot water storage tank; It is characterized in that, the crude oil input end (23) of Intermediate Heat Exchanger links to each other with the crude oil intake pipeline respectively with crude oil output terminal (24), there is a heat pump heating system (18) to be connected on the big hot water storage tank (17), described heat pump heating system (18) is connected condenser (22) by compressor (19) with throttle valve (21) respectively by vaporizer (20) two ends and forms, and condenser (22) is connected with big hot water storage tank (17).
2. solar association heat pump crude oil transportation system as claimed in claim 1 is characterized in that, is provided with an electric heater (13) in described little hot water storage tank (16).
3. solar association heat pump crude oil transportation system as claimed in claim 1 is characterized in that described solar heat collector (36) is the solar thermal collector array.
CN2009200765845U 2009-06-19 2009-06-19 Crude oil heating and delivering system of solar-combined heat pump CN201462405U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN2009200765845U CN201462405U (en) 2009-06-19 2009-06-19 Crude oil heating and delivering system of solar-combined heat pump

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102537664A (en) * 2011-11-28 2012-07-04 南京工业大学 Day and night solar heat tracing system for heavy oil
CN102563892A (en) * 2011-11-28 2012-07-11 南京工业大学 Solar energy day and night heat tracing system for crude oil
CN103759438A (en) * 2014-01-16 2014-04-30 华东理工大学 Concentrating type solar heat collecting and crude oil heating system
CN103913001A (en) * 2014-01-16 2014-07-09 华东理工大学 Concentrating solar heat collection crude oil heating system integrated with heat storing function
CN104266381A (en) * 2014-05-22 2015-01-07 深圳市爱能森设备技术有限公司 Energy-storage solar hot water boiler adopting heat conduction oil to transfer heat and method for preparing hot water
CN105987506A (en) * 2015-02-26 2016-10-05 中国石油化工股份有限公司 Raw oil heating system and method thereof for heating raw oil
CN106322777A (en) * 2015-06-15 2017-01-11 中国石油化工股份有限公司 A system and a control method for joint heat supply to produced liquid of oil fields

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102537664A (en) * 2011-11-28 2012-07-04 南京工业大学 Day and night solar heat tracing system for heavy oil
CN102563892A (en) * 2011-11-28 2012-07-11 南京工业大学 Solar energy day and night heat tracing system for crude oil
CN103759438A (en) * 2014-01-16 2014-04-30 华东理工大学 Concentrating type solar heat collecting and crude oil heating system
CN103913001A (en) * 2014-01-16 2014-07-09 华东理工大学 Concentrating solar heat collection crude oil heating system integrated with heat storing function
CN103759438B (en) * 2014-01-16 2015-06-24 华东理工大学 Concentrating type solar heat collecting and crude oil heating system
CN104266381A (en) * 2014-05-22 2015-01-07 深圳市爱能森设备技术有限公司 Energy-storage solar hot water boiler adopting heat conduction oil to transfer heat and method for preparing hot water
CN105987506A (en) * 2015-02-26 2016-10-05 中国石油化工股份有限公司 Raw oil heating system and method thereof for heating raw oil
CN106322777A (en) * 2015-06-15 2017-01-11 中国石油化工股份有限公司 A system and a control method for joint heat supply to produced liquid of oil fields
CN106322777B (en) * 2015-06-15 2019-02-01 中国石油化工股份有限公司 A kind of pair of oil field mining liquid carries out the system and control method of combined heat

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C17 Cessation of patent right
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Granted publication date: 20100512

Termination date: 20120619