CN208763826U - A kind of magnetic suspension turbine generating set using abandoned well low temperature geothermal energy - Google Patents
A kind of magnetic suspension turbine generating set using abandoned well low temperature geothermal energy Download PDFInfo
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- CN208763826U CN208763826U CN201821128518.3U CN201821128518U CN208763826U CN 208763826 U CN208763826 U CN 208763826U CN 201821128518 U CN201821128518 U CN 201821128518U CN 208763826 U CN208763826 U CN 208763826U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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Abstract
The utility model relates to a kind of magnetic suspension turbine generating sets using abandoned well low temperature geothermal energy, the entrance of underground heat water pump is communicated by pipeline with the outlet of abandoned well, the outlet of underground heat water pump is communicated by pipeline with the underground heat water inlet of First Heat Exchanger, the underground heat water out of First Heat Exchanger is communicated by pipeline with the entrance of water injecting pump, and the outlet of water injecting pump is communicated by pipeline with the entrance of abandoned well；The sender property outlet of second heat exchanger is communicated by pipeline with the entrance of magnetic suspension turbine machine, the outlet of magnetic suspension turbine machine is communicated by pipeline with the working medium entrances of third heat exchanger, the sender property outlet of third heat exchanger is communicated by pipeline with the entrance that organic working medium pumps, and the outlet of organic working medium pump is communicated by pipeline with the working medium entrances of the second heat exchanger；Magnetic suspension turbine machine is connected with generator, and the utility model can use abandoned well low temperature geother-mal power generation, belongs to the technical field to generate electricity using abandoned well.
Description
Technical field
The utility model relates to the technical field of utilization abandoned well power generation more particularly to a kind of utilization abandoned well low temperature
The magnetic suspension turbine generating set of geothermal energy.
Background technique
The a large amount of oil wells in China are discarded after having developed, if rationally exploitation can go out to contain the geothermal energy in rock stratum,
The high cost in conventional underground heat exploitation had then both been avoided, has increased the economic benefit of underground heat exploitation, and clean energy resource can be improved
Use specific gravity, alleviate environmental pressure.The process constantly exploited with petroleum will constantly have exhausted oil well discarded, utilize
Existing discarded oil well underground heat, hot water temperature's range that most of oil well can be exploited is between 80 DEG C -160 DEG C, still
At present there is no the relevant device for utilizing abandoned well low temperature geother-mal power generation, existing steam-electric power unit is difficult to directly utilize
(80 DEG C -160 DEG C) of low temperature geothermal energy power generations of abandoned well output, and inefficiency are due to abandoned well low temperature underground heat heat
The thermal parameter in source is low, and GEOTHERMAL WATER is low (temperature, pressure) via the steam parameter that flash vessel or flash vessel can be generated.Due to such as
The steam of this low parameter is easy band liquid, circulates in steam turbine and liquid hammer easily occurs and damaged blade, unit durability are short, and this temperature
The steam turbine inefficiency of (80 DEG C -160 DEG C) in range.
Utility model content
For the technical problems in the prior art, the purpose of this utility model is: providing a kind of using abandoned well
The magnetic suspension turbine generating set of low temperature geothermal energy can use abandoned well low temperature geother-mal power generation.
In order to achieve the above object, the utility model adopts the following technical solution:
A kind of magnetic suspension turbine generating set using abandoned well low temperature geothermal energy, including underground heat water pump, the first heat exchange
Device, water injecting pump, the second heat exchanger, hot water circulating pump, expansion drum, magnetic suspension turbine machine, generator, third heat exchanger, You Jigong
Matter pump, cooling tower, cooling water circulating pump；
The entrance of underground heat water pump is communicated by pipeline with the outlet of abandoned well, and the outlet of underground heat water pump passes through pipeline and the
The underground heat water inlet of one heat exchanger communicates, and the underground heat water out of First Heat Exchanger is communicated by pipeline with the entrance of water injecting pump, note
The outlet of water pump is communicated by pipeline with the entrance of abandoned well；
The hot water outlet of First Heat Exchanger is communicated by pipeline with the hot water inlet of the second heat exchanger, the heat of the second heat exchanger
Water out is communicated by pipeline with the entrance of hot water circulating pump, and the outlet of hot water circulating pump passes through the heat of pipeline and First Heat Exchanger
Water inlet communicates: expansion drum is mounted on the pipeline between the hot water outlet of the second heat exchanger and the entrance of hot water circulating pump；
The sender property outlet of second heat exchanger is communicated by pipeline with the entrance of magnetic suspension turbine machine, and magnetic suspension turbine machine goes out
Mouth is communicated by pipeline with the working medium entrances of third heat exchanger, and the sender property outlet of third heat exchanger is pumped by pipeline and organic working medium
Entrance communicate, organic working medium pump outlet communicated by pipeline with the working medium entrances of the second heat exchanger；Magnetic suspension turbine machine with
Generator is connected；
The cooling water outlet of third heat exchanger is communicated by pipeline with the entrance of cooling tower, and the outlet of cooling tower passes through pipeline
It is communicated with the entrance of cooling water circulating pump, the outlet of cooling water circulating pump passes through the cooling water inlet phase of pipeline and third heat exchanger
It is logical.
Further, magnetic suspension turbine machine is connected by shaft with generator.
Further, abandoned well is equipped with injection well and extraction well, the entrance of underground heat water pump is connected to by pipeline
It produces on well, the outlet of water injecting pump is connected in injection well by pipeline.
Further, the formation temperature range of abandoned well is at 80 DEG C~160 DEG C.
Generally speaking, the utility model has the advantages that
A kind of magnetic suspension turbine generating set using abandoned well low temperature geothermal energy of the utility model can efficiently use existing
The low temperature geothermal water for depositing abandoned well generation generates electricity.Unlike the prior art: (1) organic working medium evaporation latent heat compares water
Much smaller, sensible heat section heat absorption ratio is high, and waste heat recovery rate can be significantly improved under middle low temperature condition.(2) low temperature exhaust heat application
In, evaporating pressure is lower in water vapour circulation, causes water vapour more larger than volume, and steam turbine needs larger circulation area；And this
The organic Rankine cycle power generation system evaporating pressure of utility model is higher, can effectively reduce turbine size.(3) traditional vapor wheel
Machine electricity generation system must be provided with the soft water system except calcium and magnesium ion hardness, meanwhile, dissolved oxygen in water is to pipeline and equipment in order to prevent
Chemical attack, water supply must also handle by stringent deoxygenation；And the organic Rankine cycle power generation system of the utility model is not
These auxiliary systems are needed, system constitutes simple.(4) it is cold when traditional steam turbine power generating is applied to low-temperature electricity-generating
End (condenser side) is in the vacuum state more much lower than ambient pressure, needs to be arranged vacuum and maintains system.And the utility model
Organic Rankine cycle power generation system may be selected positive pressure working medium.(5) it is generated electricity using ready-made abandoned well, recyclable underground heat
Coolant-temperature gage range is (80 DEG C -160 DEG C), avoids the high face cost of conventional geothermal generator group.(6) Organic Rankine Cycle
Magnetic suspension turbine generator system uses low boiling point refrigerant as cycle fluid, organic under the heat source temperature less than 300 DEG C
Rankine cycle is higher than steam Rankine cycle theoretical efficiency.(7) the Organic Rankine Cycle generator of abandoned well low temperature underground heat is utilized
Unit is entered directly into so as to avoid the ground source heat water rich in impurity and is blocked up caused by evaporator by intermediate hot water cyclesystem
Efficiency declines caused by the problems such as plug, fouling.(8) using magnetic suspension turbine machine technology as the major impetus machine of generating set
Tool, without using lubricating oil, on-site maintenance demand is low.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of this magnetic suspension turbine generating set.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
It is now attached to what is occurred in Figure of description for the ease of uniformly checking each appended drawing reference inside Figure of description
Icon note is unitedly described as follows:
1 is underground heat water pump, and 2 be First Heat Exchanger, and 3 be the second heat exchanger, and 4 be magnetic suspension turbine machine, and 5 be generator, and 6 are
Cooling tower, 7 be cooling water circulating pump, and 8 be third heat exchanger, and 9 pump for organic working medium, and 10 be expansion drum, and 11 be hot water circulating pump,
12 be water injecting pump, and 13 be abandoned well, and 14 be injection well, and 15 be extraction well, and 2-1 is the underground heat water inlet of First Heat Exchanger, 2-2
For the underground heat water out of First Heat Exchanger, 2-3 is the hot water outlet of First Heat Exchanger, and 2-4 is the hot water inlet of First Heat Exchanger,
3-1 is the hot water inlet of the second heat exchanger, and 3-2 is the hot water outlet of the second heat exchanger, and 3-3 is that the working medium of the second heat exchanger goes out
Mouthful, 3-4 is the working medium entrances of the second heat exchanger, and 8-1 is the working medium entrances of third heat exchanger, and 8-2 is the working medium of third heat exchanger
Outlet, 8-3 are the cooling water outlet of third heat exchanger, and 8-4 is the cooling water inlet of third heat exchanger.
As shown in connection with fig. 1, a kind of magnetic suspension turbine generating set using abandoned well low temperature geothermal energy, including GEOTHERMAL WATER
Pump, First Heat Exchanger, water injecting pump, the second heat exchanger, hot water circulating pump, expansion drum, magnetic suspension turbine machine, generator, third are changed
Hot device, organic working medium pump, cooling tower, cooling water circulating pump.First Heat Exchanger is equipped with underground heat water inlet, underground heat water out, hot water
Entrance, hot water outlet；Second heat exchanger is equipped with working medium entrances, sender property outlet, hot water inlet, hot water outlet；Third heat exchanger is set
There are working medium entrances, sender property outlet, cooling water inlet, cooling water outlet.
This magnetic suspension turbine generating set is broadly divided into three circulatory systems, makees in detail to these three circulatory systems below
Illustrate:
The entrance of first circulatory system, underground heat water pump is communicated by pipeline with the outlet of abandoned well, underground heat water pump
Outlet is communicated by pipeline with the underground heat water inlet of First Heat Exchanger, and the underground heat water out of First Heat Exchanger passes through pipeline and water filling
The entrance of pump communicates, and the outlet of water injecting pump is communicated by pipeline with the entrance of abandoned well.In the pipeline of first circulatory system
Circulation be working medium is GEOTHERMAL WATER, which carries out heat exchange during circulating.
Second circulatory system, the hot water outlet of First Heat Exchanger pass through hot water inlet's phase of pipeline and the second heat exchanger
Logical, the hot water outlet of the second heat exchanger is communicated by pipeline with the entrance of hot water circulating pump, and the outlet of hot water circulating pump passes through pipe
Road is communicated with the hot water inlet of First Heat Exchanger: expansion drum is mounted on the hot water outlet of the second heat exchanger and entering for hot water circulating pump
On pipeline between mouthful.What is circulated in the pipeline of second circulatory system is hot water, and hot water carries out during circulating
Heat exchange.
The third circulatory system, there are two circulation in the third circulatory system, a circulation is organic working medium circulation, another
A circulation is cooling water circulation.The sender property outlet of second heat exchanger is communicated by pipeline with the entrance of magnetic suspension turbine machine, magnetcisuspension
The outlet of swimming vortex turbine is communicated by pipeline with the working medium entrances of third heat exchanger, and the sender property outlet of third heat exchanger passes through pipeline
It is communicated with the entrance of organic working medium pump, the outlet of organic working medium pump is communicated by pipeline with the working medium entrances of the second heat exchanger；Magnetic
Suspension turbine is connected with generator.The circulation is organic working medium circulation, and what is circulated in pipeline is organic working medium.
The cooling water outlet of third heat exchanger is communicated by pipeline with the entrance of cooling tower, and the outlet of cooling tower passes through pipeline
It is communicated with the entrance of cooling water circulating pump, the outlet of cooling water circulating pump passes through the cooling water inlet phase of pipeline and third heat exchanger
It is logical.The circulation is cooling water circulation, and what is circulated in pipeline is cooling water.
The working principle of three circulatory systems is described below:
First circulatory system is low temperature underground heat hot water circuit, and GEOTHERMAL WATER is injected into abandoned oil from injection well by water injecting pump
Underground, (water temperature depends on hot water well depth and formation rock for water temperature rising after GEOTHERMAL WATER absorbs the Formation heat at abandoned well
The characteristic of stone), extraction well of the GEOTHERMAL WATER from abandoned well comes out, and GEOTHERMAL WATER is sent to first via underground heat water pump (brine pump) and changed
Hot device transfers heat to the clean hot water in intermediate hot water cyclesystem.Since GEOTHERMAL WATER contains a large amount of impurity, so must lead to
First Heat Exchanger is crossed once to be exchanged heat.GEOTHERMAL WATER re-injects under the action of water injecting pump from injection well discarded after heat exchange is cooling
In oil well.
Second circulatory system is intermediate hot water cyclesystem, it is desirable to provide clean hot-water return.Intermediate hot water circuit
After hot water in system is exchanged heat by First Heat Exchanger and GEOTHERMAL WATER, the temperature of hot water is increased, and then hot water is directly entered
After organic working medium heat exchange in the second heat exchanger, with the third circulatory system, the temperature of hot water is reduced, and then hot water is in hot water
First Heat Exchanger is returned under the action of circulating pump.Expansion drum can buffer hot water it is heated after boost bring pressure oscillation and
Play the role of protecting hot water circulating pump, what expansion drum absorbed is the pressure oscillation entirely recycled.
The third circulatory system is organic working medium magnetic suspension generation unit circulation (Organic Rankine Cycle), second cyclic system
The hot water of system heats organic working medium, low-boiling organic working medium heat absorption evaporation, the height of generation by the second heat exchanger (evaporator)
Pressure organic steam pushes turbine rotation to drive coaxial electrical power generators after entering magnetic suspension turbine machine；Having after evaporation
Row arrives third heat exchanger (condenser) after the acting of machine working medium, and organic working medium is entered after being condensed into liquid and is pumped, pressurization is sent to second
Heat exchanger (evaporator) continues to absorb heat, and is constantly recycled with this.The circulation is closed cycle, and organic working medium is sealed in unit.?
In cooling water circulation, after cooling water absorbs the condensation heat heating of organic working medium in third heat exchanger (condenser), cooling is returned to
Tower cooler cooling, then third heat exchanger (condenser) is sent back to through cooling water circulating pump.
First Heat Exchanger, the second heat exchanger, third heat exchanger are the prior arts, for carrying out heat exchange, heat exchanger
Inside there are two fluid channels, a kind of fluid flows through a channel, and one other fluid flows through an other channel, right latter two fluid
Carry out heat exchange.
Magnetic suspension turbine machine is connected by shaft with generator.Organic working medium after evaporation enters in magnetic suspension turbine machine
Acting, then generator work is driven by shaft, it produces electricl energy.
Abandoned well is equipped with injection well and extraction well, and the entrance of underground heat water pump is connected on extraction well by pipeline, note
The outlet of water pump is connected in injection well by pipeline.
The formation temperature range of abandoned well is at 80 DEG C~160 DEG C.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (4)
1. a kind of magnetic suspension turbine generating set using abandoned well low temperature geothermal energy, it is characterised in that: including underground heat water pump,
First Heat Exchanger, water injecting pump, the second heat exchanger, hot water circulating pump, expansion drum, magnetic suspension turbine machine, generator, third heat exchange
Device, organic working medium pump, cooling tower, cooling water circulating pump；
The entrance of underground heat water pump is communicated by pipeline with the outlet of abandoned well, and the outlet of underground heat water pump is changed by pipeline with first
The underground heat water inlet of hot device communicates, and the underground heat water out of First Heat Exchanger is communicated by pipeline with the entrance of water injecting pump, water injecting pump
Outlet communicated by pipeline with the entrance of abandoned well；
The hot water outlet of First Heat Exchanger is communicated by pipeline with the hot water inlet of the second heat exchanger, and the hot water of the second heat exchanger goes out
Mouth is communicated by pipeline with the entrance of hot water circulating pump, and the outlet of hot water circulating pump is entered by the hot water of pipeline and First Heat Exchanger
Mouth communicates: expansion drum is mounted on the pipeline between the hot water outlet of the second heat exchanger and the entrance of hot water circulating pump；
The sender property outlet of second heat exchanger is communicated by pipeline with the entrance of magnetic suspension turbine machine, and the outlet of magnetic suspension turbine machine is logical
Piping is communicated with the working medium entrances of third heat exchanger, and the sender property outlet of third heat exchanger is entered by pipeline with what organic working medium pumped
Mouth communicates, and the outlet of organic working medium pump is communicated by pipeline with the working medium entrances of the second heat exchanger；Magnetic suspension turbine machine and power generation
Machine is connected；
The cooling water outlet of third heat exchanger is communicated by pipeline with the entrance of cooling tower, the outlet of cooling tower by pipeline with it is cold
But the entrance of water-circulating pump communicates, and the outlet of cooling water circulating pump is communicated by pipeline with the cooling water inlet of third heat exchanger.
2. a kind of magnetic suspension turbine generating set using abandoned well low temperature geothermal energy described in accordance with the claim 1, special
Sign is: magnetic suspension turbine machine is connected by shaft with generator.
3. a kind of magnetic suspension turbine generating set using abandoned well low temperature geothermal energy described in accordance with the claim 1, special
Sign is: abandoned well is equipped with injection well and extraction well, and the entrance of underground heat water pump is connected on extraction well by pipeline, water filling
The outlet of pump is connected in injection well by pipeline.
4. a kind of magnetic suspension turbine generating set using abandoned well low temperature geothermal energy described in accordance with the claim 1, special
Sign is: the formation temperature range of abandoned well is at 80 DEG C~160 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821128518.3U CN208763826U (en) | 2018-07-17 | 2018-07-17 | A kind of magnetic suspension turbine generating set using abandoned well low temperature geothermal energy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821128518.3U CN208763826U (en) | 2018-07-17 | 2018-07-17 | A kind of magnetic suspension turbine generating set using abandoned well low temperature geothermal energy |
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| CN208763826U true CN208763826U (en) | 2019-04-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964133A (en) * | 2020-08-22 | 2020-11-20 | 东北石油大学 | Waste oil well geothermal energy seasonal heat storage system for heating in winter |
| CN113944521A (en) * | 2021-11-03 | 2022-01-18 | 亚之捷智能装备(江苏)有限公司 | Low-temperature waste heat magnetic suspension turbine power generation system |
-
2018
- 2018-07-17 CN CN201821128518.3U patent/CN208763826U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964133A (en) * | 2020-08-22 | 2020-11-20 | 东北石油大学 | Waste oil well geothermal energy seasonal heat storage system for heating in winter |
| CN113944521A (en) * | 2021-11-03 | 2022-01-18 | 亚之捷智能装备(江苏)有限公司 | Low-temperature waste heat magnetic suspension turbine power generation system |
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