CN208153256U - Single geothermal well mouth electric power station system - Google Patents

Single geothermal well mouth electric power station system Download PDF

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Publication number
CN208153256U
CN208153256U CN201820529815.2U CN201820529815U CN208153256U CN 208153256 U CN208153256 U CN 208153256U CN 201820529815 U CN201820529815 U CN 201820529815U CN 208153256 U CN208153256 U CN 208153256U
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Prior art keywords
screw expander
preheater
evaporator
evaporative condenser
orc
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CN201820529815.2U
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汤炎
齐井文
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Zhejiang Kaishan Energy Equipment Co Ltd
SHANGHAI KAISHAN ENERGY EQUIPMENT Co Ltd
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Zhejiang Kaishan Energy Equipment Co Ltd
SHANGHAI KAISHAN ENERGY EQUIPMENT Co Ltd
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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
    • Y02E10/10Geothermal energy

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Abstract

The utility model discloses a kind of single geothermal well mouth electric power station system, including separator, preheater, evaporator, evaporative condenser, working medium pump, steam screw expander, ORC screw expander, generator;The steam screw expander connects generator;The steam screw expander connects evaporator by cry-fluid delivery line, and evaporator sequentially enters the evaporator and preheater by the first piping connection preheater, low-pressure steam, becomes low temperature liquid water after exchanging heat with working medium in system;The preheater passes through the header tank of the second piping connection evaporative condenser, uses using the low temperature liquid water as evaporative condenser moisturizing;The evaporative condenser, working medium pump, preheater, evaporator, ORC screw expander are sequentially connected.The utility model proposes single geothermal well mouth electric power station system, the utilization efficiency to underground heat can be improved.The utility model can be directed to single geothermal well allocation plan, and system is easy, be easily installed.

Description

Single geothermal well mouth electric power station system
Technical field
The utility model belongs to geothermal power generation technical field, is related to a kind of underground heat well head electric power station system, more particularly to a kind of Single geothermal well mouth electric power station system.
Background technique
Geothermal power station is the power station for making non-renewable energy using geothermal water, high heat rock mass or steam.Existing geothermal power generation Station needs together to use the geothermal well hot-water collection of different regions, and long distance delivery can make heat incur loss, and work as When underground heat well head pressure is unbalanced, it is easy to appear disused well.Meanwhile the Land use systems are single, can not be classified and make full use of thermal energy.This Outside, traditional Land use systems construction period is long, and financial pressure is high.
In view of this, nowadays there is an urgent need to design a kind of new underground heat well head electric power station system, to overcome existing geothermal well Drawbacks described above existing for mouth electric power station system.
Utility model content
Technical problem to be solved in the utility model is:A kind of single geothermal well mouth electric power station system is provided, can be improved pair The utilization efficiency of underground heat.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of single geothermal well mouth electric power station system, the electric power station system include:Separator, preheater, evaporator, evaporation are cold Condenser, working medium pump, steam screw expander, ORC screw expander, generator;
The separator is equipped with thermal fluid inlet, hot fluid outlet ports, geothermal vapour outlet, and the thermal fluid inlet passes through heat Fluid input lines connect the underground heat entrance of geothermal well, and the hot fluid intake line is equipped with restricting element;Hot fluid outlet ports connect It is connected to high-temp liquid transfer pipeline, the geothermal vapour outlet connects steam screw expander by geothermal vapour transfer pipeline;
The steam screw expander connects generator, is done manual work and is sent out using the geothermal vapour of geothermal vapour transfer pipeline conveying Electricity becomes low-pressure steam after output power;The steam screw expander connects evaporator by cry-fluid delivery line, steams Device is sent out by the first piping connection preheater, low-pressure steam sequentially enters the evaporator and preheater, by with work in system Become low temperature liquid water after matter heat exchange;The preheater passes through the header tank of the second piping connection evaporative condenser, will be described low Warm liquid water is used as evaporative condenser moisturizing;
The evaporative condenser, working medium pump, preheater, evaporator, ORC screw expander are sequentially connected, ORC screw expansion Machine connects evaporative condenser;Refrigerant passes sequentially through preheater, evaporator, ORC screw expander, evaporative condenser, working medium pump; Wherein refrigerant expands workmanship, output power in ORC screw expander;
The ORC screw expander connects generator, and steam screw expander, ORC screw expander share a power generation Machine;The generator is twin shaft generator;
In the ORC circulation that the evaporative condenser, working medium pump, preheater, evaporator, ORC screw expander are formed, preheating Device and evaporator also pass through third piping connection, pass through the 4th piping connection, ORC screw rod between evaporator, ORC screw expander By the 5th piping connection between expanding machine, evaporative condenser, pass through the 6th piping connection between evaporative condenser, working medium pump, Pass through the 7th piping connection between working medium pump, preheater.
A kind of single geothermal well mouth electric power station system, the electric power station system include:Separator, preheater, evaporator, evaporation are cold Condenser, working medium pump, steam screw expander, ORC screw expander, the first generator, the second generator;
The separator is equipped with thermal fluid inlet, hot fluid outlet ports, geothermal vapour outlet, and the thermal fluid inlet passes through heat Fluid input lines connect the underground heat entrance of geothermal well, and hot fluid outlet ports are connected with high-temp liquid transfer pipeline, and the underground heat steams Vapor outlet connects steam screw expander by geothermal vapour transfer pipeline;
The steam screw expander connects the first generator, is done using the geothermal vapour that geothermal vapour transfer pipeline conveys Work generates electricity, and becomes low-pressure steam after output power;The steam screw expander is connected by cry-fluid delivery line to be evaporated Device, evaporator sequentially enter the evaporator and preheater, process and system by the first piping connection preheater, low-pressure steam Become low temperature liquid water after interior working medium heat exchange;The preheater passes through the header tank of the second piping connection evaporative condenser, by institute Low temperature liquid water is stated to use as evaporative condenser moisturizing;
The evaporative condenser, working medium pump, preheater, evaporator, ORC screw expander are sequentially connected, ORC screw expansion Machine connects evaporative condenser;Refrigerant passes sequentially through preheater, evaporator, ORC screw expander, evaporative condenser, working medium pump; Wherein refrigerant expands workmanship, output power in ORC screw expander;The ORC screw expander connects the second generator.
As a kind of preferred embodiment of the utility model, first generator and the second generator are same generator, Steam screw expander, ORC screw expander share a generator.
As a kind of preferred embodiment of the utility model, generator is twin shaft generator.
As a kind of preferred embodiment of the utility model, the evaporative condenser, working medium pump, preheater, evaporator, ORC In the ORC circulation that screw expander is formed, preheater and evaporator also pass through third piping connection, evaporator, ORC screw expansion By the 4th piping connection between machine, pass through the 5th piping connection, evaporative condenser between ORC screw expander, evaporative condenser By the 6th piping connection between device, working medium pump, pass through the 7th piping connection between working medium pump, preheater.
The beneficial effects of the utility model are:The utility model proposes single geothermal well mouth electric power station system, can be improved To the utilization efficiency of underground heat.The utility model can be directed to single geothermal well allocation plan, and system is easy, be easily installed.This is Energy classified utilization may be implemented in system, generates electricity first with the pressure energy of underground heat well head, is secondly carried out using underground heat thermal energy secondary Power generation, utilization efficiency of heat energy are high.Secondly the system is 100% environment friendly system, without extraneous additional water supply.The utility model needle It is a kind of efficient geothermal utilization mode at one station of a well to the Land use systems of single geothermal well.
Detailed description of the invention
Fig. 1 is the composition schematic diagram of the single geothermal well mouth electric power station system of the utility model.
Specific embodiment
The preferred embodiment that according to the present invention will be described in detail below with reference to the accompanying drawings.
Embodiment one
Referring to Fig. 1, the utility model discloses a kind of single geothermal well mouth electric power station system, the electric power station system includes: Separator 1, preheater 2, evaporator 3, evaporative condenser 4, working medium pump 5, steam screw expander 6, ORC screw expander 7, hair Motor 8.
The separator 1 is equipped with thermal fluid inlet 101, hot fluid outlet ports 102, geothermal vapour outlet 103, the hot fluid Entrance 101 connects the underground heat entrance of geothermal well by hot fluid intake line 9, and it is defeated that hot fluid outlet ports 102 are connected with high-temp liquid Pipeline 10 is sent, the geothermal vapour outlet 103 connects steam screw expander 6 by geothermal vapour transfer pipeline 11.Underground heat steams The high steam that vapour transfer pipeline 11 conveys enters electric power station system and is utilized, the high-temperature liquid that high-temp liquid transfer pipeline 10 conveys Stereoscopic actual conditions carry out secondary recharge or other secondary uses.
The steam screw expander 6 connects generator 8, is done using the geothermal vapour that geothermal vapour transfer pipeline 11 conveys Work generates electricity, and becomes low-pressure steam after output power.The steam screw expander 6 is steamed by the connection of cry-fluid delivery line 12 Device 3 is sent out, evaporator 3 connects preheater 2 by the first pipeline 13, and low-pressure steam sequentially enters the evaporator 3 and preheater 2, Become low temperature liquid water after exchanging heat with working medium in system.The preheater 2 connects evaporative condenser 4 by the second pipeline 14 Header tank, used the low temperature liquid water as 4 moisturizing of evaporative condenser.
The evaporative condenser 4, working medium pump 5, preheater 2, evaporator 3, ORC screw expander 7 are sequentially connected, ORC spiral shell Bar expanding machine 7 connects evaporative condenser 4, forms ORC circulation;It is swollen that refrigerant passes sequentially through preheater 2, evaporator 3, ORC screw rod Swollen machine 7, evaporative condenser 4, working medium pump 5;Wherein refrigerant expands workmanship, output power in ORC screw expander 7.It is described ORC screw expander 7 connects generator 8, and steam screw expander 6, ORC screw expander 7 can share a generator 8; The motor 8 is twin shaft generator.
The ORC circulation that the evaporative condenser 4, working medium pump 5, preheater 2, evaporator 3, ORC screw expander 7 are formed In, preheater 2 is also connect by third pipeline 15 with evaporator 3, passes through the 4th pipe between evaporator 3, ORC screw expander 7 Road 16 connects, and is connected between ORC screw expander 7, evaporative condenser 4 by the 5th pipeline 17, evaporative condenser 4, working medium pump 5 Between by the 6th pipeline 18 connect, between working medium pump 5, preheater 2 by the 7th pipeline 19 connect.
The composition of the single geothermal well mouth electric power station system of the utility model, the single geothermal well mouth power station system is described above The power generation process of system includes the following steps:
Step S1, the hot fluid that underground heat import comes out, first passes through level-one separation in advance, and high steam enters electric power station system progress It utilizes, the stereoscopic actual conditions of high-temperature liquid carry out secondary recharge or other secondary uses, and emphasis describes the utilization of steam side herein Mode.
Step S2, geothermal vapour first flows through steam screw expander, which does manual work inside expanding machine, after output power Become low-pressure steam.
Step S3, the low-pressure steam sequentially enters ORC system evaporator and preheater, after exchanging heat with working medium in system Become low temperature liquid water.
Step S4, the part water is exported water pump and be delivered to again by preheater evaporates cold header tank, cold as evaporating Moisturizing uses, and while not needing extraneous moisturizing, improves running efficiency of system.
Step S5, inside ORC system, refrigerant passes sequentially through preheater, evaporator, and expanding machine evaporates cold, working medium pump. Wherein refrigerant expands workmanship, output power in ORC screw expander.
Step S6, direct expansion system and ORC system can share a generator and be belonged to using a set of grid-connection device One station system of a well truly.
Embodiment two
The difference between this embodiment and the first embodiment lies in the present embodiment, including two generators, the respectively first power generation Machine, the second generator.
The steam screw expander connects the first generator, is done using the geothermal vapour that geothermal vapour transfer pipeline conveys Work generates electricity, and becomes low-pressure steam after output power;The evaporative condenser, working medium pump, preheater, evaporator, ORC screw expansion Machine is sequentially connected, and ORC screw expander connects evaporative condenser;It is swollen that refrigerant passes sequentially through preheater, evaporator, ORC screw rod Swollen machine, evaporative condenser, working medium pump;Wherein refrigerant expands workmanship, output power in ORC screw expander;The ORC spiral shell Bar expanding machine connects the second generator.
In conclusion the utility model proposes single geothermal well mouth electric power station system, the utilization efficiency to underground heat can be improved. The utility model can be directed to single geothermal well allocation plan, and system is easy, be easily installed.Energy classification may be implemented in the system It utilizes, generates electricity first with the pressure energy of underground heat well head, secondly carry out secondary electricity generation, utilization efficiency of heat energy using underground heat thermal energy It is high.Secondly the system is 100% environment friendly system, without extraneous additional water supply.The utility model is directed to the benefit of single geothermal well It is a kind of efficient geothermal utilization mode at one station of a well with mode.
Here the description and application of the utility model are illustrative, are not wishing to for the scope of the utility model being limited in It states in embodiment.The deformation and change of embodiments disclosed herein be it is possible, for the ordinary skill people of those this fields The replacement of embodiment and equivalent various parts are well known for member.It should be appreciated by the person skilled in the art that not taking off In the case where spirit or essential characteristics from the utility model, the utility model can in other forms, structure, arrangement, ratio, And it is realized with other components, material and component.It, can be to this in the case where not departing from the scope of the utility model and spirit In disclosed embodiment carry out other deformations and change.

Claims (5)

1. a kind of single geothermal well mouth electric power station system, which is characterized in that the electric power station system includes:Separator, preheater, evaporation Device, evaporative condenser, working medium pump, steam screw expander, ORC screw expander, generator;
The separator is equipped with thermal fluid inlet, hot fluid outlet ports, geothermal vapour outlet, and the thermal fluid inlet passes through hot fluid Intake line connects the underground heat entrance of geothermal well, and the hot fluid intake line is equipped with restricting element;Hot fluid outlet ports are connected with High-temp liquid transfer pipeline, the geothermal vapour outlet connect steam screw expander by geothermal vapour transfer pipeline;
The steam screw expander connects generator, is done manual work and is generated electricity using the geothermal vapour of geothermal vapour transfer pipeline conveying, Become low-pressure steam after output power;The steam screw expander connects evaporator, evaporation by cry-fluid delivery line For device by the first piping connection preheater, low-pressure steam sequentially enters the evaporator and preheater, by with working medium in system Become low temperature liquid water after heat exchange;The preheater passes through the header tank of the second piping connection evaporative condenser, by the low temperature Liquid water is used as evaporative condenser moisturizing;
The evaporative condenser, working medium pump, preheater, evaporator, ORC screw expander are sequentially connected, and ORC screw expander connects Connect evaporative condenser;Refrigerant passes sequentially through preheater, evaporator, ORC screw expander, evaporative condenser, working medium pump;Wherein Refrigerant expands workmanship, output power in ORC screw expander;
The ORC screw expander connects generator, and steam screw expander, ORC screw expander share a generator;Institute Stating generator is twin shaft generator;
The evaporative condenser, working medium pump, preheater, evaporator, ORC screw expander formed ORC circulation in, preheater with Evaporator also passes through third piping connection, passes through the 4th piping connection, ORC screw expansion between evaporator, ORC screw expander By the 5th piping connection between machine, evaporative condenser, pass through the 6th piping connection, working medium between evaporative condenser, working medium pump Pass through the 7th piping connection between pump, preheater.
2. a kind of single geothermal well mouth electric power station system, which is characterized in that the electric power station system includes:Separator, preheater, evaporation Device, evaporative condenser, working medium pump, steam screw expander, ORC screw expander, the first generator, the second generator;
The separator is equipped with thermal fluid inlet, hot fluid outlet ports, geothermal vapour outlet, and the thermal fluid inlet passes through hot fluid Intake line connects the underground heat entrance of geothermal well, and hot fluid outlet ports are connected with high-temp liquid transfer pipeline, and the geothermal vapour goes out Mouth connects steam screw expander by geothermal vapour transfer pipeline;
The steam screw expander connects the first generator, is done manual work and is sent out using the geothermal vapour of geothermal vapour transfer pipeline conveying Electricity becomes low-pressure steam after output power;The steam screw expander connects evaporator by cry-fluid delivery line, steams Device is sent out by the first piping connection preheater, low-pressure steam sequentially enters the evaporator and preheater, by with work in system Become low temperature liquid water after matter heat exchange;The preheater passes through the header tank of the second piping connection evaporative condenser, will be described low Warm liquid water is used as evaporative condenser moisturizing;
The evaporative condenser, working medium pump, preheater, evaporator, ORC screw expander are sequentially connected, and ORC screw expander connects Connect evaporative condenser;Refrigerant passes sequentially through preheater, evaporator, ORC screw expander, evaporative condenser, working medium pump;Wherein Refrigerant expands workmanship, output power in ORC screw expander;The ORC screw expander connects the second generator.
3. single geothermal well mouth electric power station system according to claim 2, it is characterised in that:
First generator and the second generator are same generator, and steam screw expander, ORC screw expander share one A generator.
4. single geothermal well mouth electric power station system according to claim 3, it is characterised in that:
Generator is twin shaft generator.
5. single geothermal well mouth electric power station system according to claim 2, it is characterised in that:
The evaporative condenser, working medium pump, preheater, evaporator, ORC screw expander formed ORC circulation in, preheater with Evaporator also passes through third piping connection, passes through the 4th piping connection, ORC screw expansion between evaporator, ORC screw expander By the 5th piping connection between machine, evaporative condenser, pass through the 6th piping connection, working medium between evaporative condenser, working medium pump Pass through the 7th piping connection between pump, preheater.
CN201820529815.2U 2018-04-16 2018-04-16 Single geothermal well mouth electric power station system Active CN208153256U (en)

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Application Number Priority Date Filing Date Title
CN201820529815.2U CN208153256U (en) 2018-04-16 2018-04-16 Single geothermal well mouth electric power station system

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Application Number Priority Date Filing Date Title
CN201820529815.2U CN208153256U (en) 2018-04-16 2018-04-16 Single geothermal well mouth electric power station system

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Publication Number Publication Date
CN208153256U true CN208153256U (en) 2018-11-27

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