CN201225172Y - Low boiling point medium power generation system with exhaust steam energy recovery and utilization apparatus - Google Patents

Low boiling point medium power generation system with exhaust steam energy recovery and utilization apparatus Download PDF

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Publication number
CN201225172Y
CN201225172Y CNU2008201481441U CN200820148144U CN201225172Y CN 201225172 Y CN201225172 Y CN 201225172Y CN U2008201481441 U CNU2008201481441 U CN U2008201481441U CN 200820148144 U CN200820148144 U CN 200820148144U CN 201225172 Y CN201225172 Y CN 201225172Y
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CN
China
Prior art keywords
exhaust steam
condenser
communicated
heat exchanger
vaporizer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008201481441U
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Chinese (zh)
Inventor
陈万仁
魏新利
刘中敏
李华
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Henan Ruibang Energy Technology Development Co Ltd
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Henan Ruibang Energy Technology Development Co Ltd
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Filing date
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Priority to CNU2008201481441U priority Critical patent/CN201225172Y/en
Application granted granted Critical
Publication of CN201225172Y publication Critical patent/CN201225172Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a low boiling point medium power generating system with an exhaust-steam energy recycling device, which comprises a dynamo and a steam turbine connected with the dynamo, wherein the steam turbine is connected with a waste heat recovery heat exchanger, and the steam turbine and the waste heat recovery heat exchanger are at least simultaneously connected with an exhaust steam evaporator, a compressor and a condenser which form a group and are communicated by medium pipelines; an expansion valve is arranged on the medium pipeline arranged between the exhaust steam evaporator and the condenser, a liquid pipeline which is communicated with the exhaust steam evaporator and the condenser is arranged between the exhaust steam evaporator and the condenser, and a liquid booster pump is arranged on the liquid pipeline; the steam turbine is connected with the exhaust steam evaporator through an exhaust steam inlet pipe which is communicated with the steam turbine; the waste heat recovery heat exchanger is connected with the condenser through a condensing liquid output pipe which is communicated with the waste heat recovery heat exchanger; and a control cabinet which is connected with a power wire is connected with the compressor, the liquid booster pump and the expansion valve through a control wire and a power wire harness. The system can recycle heat in exhaust steam of the steam turbine and save energy resources; in addition, the environment can not be polluted during the use.

Description

Low boiling point working medium power generation system with exhaust steam energy recovery utilized device
Technical field
The utility model belongs to heat recovery and utilizes system again; Relate in particular to the recycling system of industrial process low-grade energy.
Background technique
Can produce a large amount of low-temperature waste heats in the industrial process,, wherein comprise a large amount of heats as the associated water in cooling water, the petroleum production in the vapor plume of various combustion furnaces, the industrial production etc.Exhaust steam after driving steam turbine in the electricity generating device is done manual work also still contains a large amount of waste heats, be to adopt the method for water-cooled condensation that it is carried out condensation to these exhaust steam at present, condensed heat is brought water-cooling tower into by cooling water, under the driving of dry air, rely on evaporation of water that heat is wherein taken away, and heat is entered in the atmosphere.This technological method has not only been wasted lot of energy and cooling water, and environment is caused thermo-pollution.
Summary of the invention
The objective of the invention is to: provide a kind of free from environmental pollution, saving energy, the low boiling point working medium power generation system that the heat? recovery in the exhaust steam in steam turbine can be utilized again.
The present invention seeks to be achieved through the following technical solutions: this low boiling point working medium power generation system with exhaust steam energy recovery utilized device, comprise generator and coupled steam turbine, it is characterized in that: steam turbine links to each other with heat recovery heat exchanger, and steam turbine and heat recovery heat exchanger link to each other with one group of exhaust steam vaporizer, compressor and condenser that is communicated with by medium pipeline simultaneously at least; On the medium pipeline between exhaust steam vaporizer and the condenser expansion valve is housed, it is connected with point for measuring temperature on the medium pipeline that is contained between exhaust steam vaporizer and the compressor by capillary tube; Between exhaust steam vaporizer and the condenser fluid pipeline that is communicated with them is arranged, the liquid compression pump is housed on the fluid pipeline; Steam turbine is by linking to each other with the exhaust steam vaporizer with the exhaust steam inlet pipe of its connection; Heat recovery heat exchanger links to each other with condenser by the condensed fluid output tube of its connection; The control cabinet that links to each other with power line is connected with compressor, liquid compression pump, expansion valve by guide line and power supply wire harness.
On the exhaust steam inlet pipe between steam turbine and the exhaust steam vaporizer electric control valve is housed, the control cabinet that links to each other with power line is connected with electric control valve by guide line.
Be equipped with on the fluid pipeline between exhaust steam vaporizer and the condenser and increase the liquid pipeline.
The auxiliary cooling heat exchanger of cooling water also is housed on the fluid pipeline between exhaust steam vaporizer and the condenser.
Steam turbine and heat recovery heat exchanger all link to each other with two to five groups of exhaust steam vaporizer, compressor and condensers that are communicated with by medium pipeline; And steam turbine is communicated with exhaust steam vaporizer in every group by the exhaust steam inlet pipe; Heat recovery heat exchanger is communicated with condenser in every group by the condensed fluid output tube.
Steam turbine and heat recovery heat exchanger all link to each other with two to five groups of exhaust steam vaporizer, compressor and condensers that are communicated with by medium pipeline; And steam turbine is communicated with exhaust steam vaporizer in every group by the exhaust steam inlet pipe; Heat recovery heat exchanger is communicated with condenser in every group by the condensed fluid output tube.
This low boiling point working medium power generation system with exhaust steam energy recovery utilized device, replenishing pipeline by their medium pipeline of exhaust steam vaporizer, compressor, expansion valve, condenser, heat recovery heat exchanger, steam turbine, generator and connection and medium solution is formed, the whole system structure is very simple, therefore be convenient to install, floor space is also very little; The present invention is that the exhaust steam that the steam turbine of waste heat recovery generating system is discharged directly enters this system evaporator, become condensed fluid, and the exhaust steam heat that is extracted in the vaporizer enters condenser after promoting through compressor, the condensed fluid that is come out by vaporizer simultaneously also enters condenser, and is heated at this and to become the liquid with uniform temperature and enter in the waste-heat recoverer.The heat that this system takes exhaust steam out of makes full use of, and has both saved the energy and water resources, also can not bring environmental pollution.
Description of drawings
Fig. 1 is embodiment 1 a structural representation;
Fig. 2 is embodiment 2 a structural representation;
Fig. 3 is embodiment 3 a structural representation;
Fig. 4 is embodiment 4 a structural representation;
Embodiment
Embodiment 1: the steam turbine 2 in this low boiling point working medium power generation system with exhaust steam energy recovery utilized device links to each other with generator 1; Steam turbine 2 links to each other with heat recovery heat exchanger 4, and steam turbine 2 and heat recovery heat exchanger 4 link to each other with one group of exhaust steam vaporizer 9, compressor 19 and condenser 6 that is communicated with by medium pipeline; On the medium pipeline 13 between exhaust steam vaporizer 9 and the condenser 6 expansion valve 14 is housed, it is connected with point for measuring temperature 16 on the medium pipeline 12 that is contained between exhaust steam vaporizer 9 and the compressor 19 by capillary tube 17; Between compressor 19 and the condenser 6 medium pipeline 11 is arranged.Between exhaust steam vaporizer 9 and the condenser 6 fluid pipeline 7 that they are communicated with is arranged, liquid compression pump 8 is housed on fluid pipeline 7; Steam turbine 2 is by linking to each other with exhaust steam vaporizer 9 with the exhaust steam inlet pipe 10 of its connection; Heat recovery heat exchanger 4 is by linking to each other with condenser 6 with the condensed fluid output tube 5 of its connection; Electric control valve 15 is housed on exhaust steam inlet pipe 10; The control cabinet 22 that links to each other with power line 23 is connected with compressor 19, expansion valve 14, liquid compression pump 8 and electric control valve 15 by guide line 21 and power supply wire harness.
On fluid pipeline 7, can also be equipped with and increase liquid pipeline 18, so as in fluid pipeline 7 supplementing water.
Present embodiment is the exhaust steam vaporizer that is directly entered this system by the exhaust steam of discharging through gas-turbine, become condensed fluid, and the exhaust steam heat that is extracted in the exhaust steam vaporizer enters condenser after promoting through compressor, the condensed fluid that is come out by the exhaust steam vaporizer simultaneously also enters condenser, and become liquid by being heated with uniform temperature at this, these liquid further are heated into high temperature and high pressure gas by the heat recovery heat exchanger that is communicated with condenser then, enter steam turbine, driving steam turbine and drive generator and generate electricity.So repeatedly, if during from condensed fluid quantity not sufficient that the exhaust steam vaporizer comes out, can from increase the liquid pipeline mend into.
Embodiment 2: the steam turbine 2 in the present embodiment links to each other with generator 1; Steam turbine 2 links to each other with heat recovery heat exchanger 4, and steam turbine 2 and heat recovery heat exchanger 4 link to each other with one group of exhaust steam vaporizer 9, compressor 19 and condenser 4 that is communicated with by medium pipeline; On the medium pipeline 13 between exhaust steam vaporizer 9 and the condenser 6 expansion valve 14 is housed, it is connected with point for measuring temperature 16 on the medium pipeline 12 that is contained between exhaust steam vaporizer 9 and the compressor 19 by capillary tube 17; Between compressor 19 and the condenser 6 medium pipeline 11 is arranged.Between exhaust steam vaporizer 9 and the condenser 6 fluid pipeline 7 that is communicated with them is arranged, liquid compression pump 8 is housed on fluid pipeline 7; Steam turbine 2 is by linking to each other with exhaust steam vaporizer 4 with the exhaust steam inlet pipe 10 of its connection; Heat recovery heat exchanger 4 is by linking to each other with condenser 6 with the condensed fluid output tube 5 of its connection; Electric control valve 15 is housed on exhaust steam inlet pipe 10; On the fluid pipeline 7 between exhaust steam vaporizer 9 and the condenser 6, be communicated with an auxiliary water cooler 20, and intake pipe 21 and the outlet pipe 21a that is communicated with it arranged, also be equipped with on the fluid pipeline 7 and increase liquid pipeline 18; Auxiliary water cooler 20 and increase liquid pipeline 18 all between exhaust steam vaporizer 9 and liquid compression pump 8, and increase liquid pipeline 18 near liquid compression pumps 8.
The control cabinet 22 that links to each other with power line 23 is connected with compressor 19, expansion valve 14, liquid compression pump 8 and electric control valve 15 by guide line 21 and power supply wire harness.
Present embodiment is not only utilized the waste heat of discharging exhaust steam through gas-turbine, and the waste heat of cooling water in low-temperature waste heat that produces in the industrial process or the industrial production is extracted in auxiliary water cooler 20, after also promoting through compressor, these heats enter that condenser, heat recovery heat exchanger enter steam turbine after being heated to form high temperature and high pressure gas, driving steam turbine drives generator and generates electricity.
Embodiment 3: in order to increase generating capacity, steam turbine and heat recovery heat exchanger all link to each other with two groups of exhaust steam vaporizer, compressor and condensers that are communicated with by medium pipeline in the present embodiment; Every group the structure all structure with embodiment 1 is identical, and steam turbine 2 links to each other by propping up the exhaust steam vaporizer 9 of exhaust steam inlet pipe 10a in first group with the exhaust steam inlet pipe 10 of its connection through article one; Steam turbine 2 links to each other by propping up the exhaust steam vaporizer 9b of exhaust steam inlet pipe 10b in second group with the exhaust steam inlet pipe 10 of its connection through second; Propping up exhaust steam inlet pipe 10a and second in article one props up electric control valve 15 and electric control valve 15b is housed respectively on the exhaust steam inlet pipe 10b; Condenser 6 in first group with second group in condenser 6b all by linking to each other with heat recovery heat exchanger 4 with condensed fluid output tube 5 that heat recovery heat exchanger 4 is communicated with; The control cabinet 22 that links to each other with power line 23 by guide line 21 and power supply wire harness in first group compressor 19, expansion valve 14, liquid compression pump 8 and electric control valve 15 is connected, also with second group in compressor 19b, expansion valve 14b, liquid compression pump 8b be connected with electric control valve 15b.
Embodiment 4: steam turbine and heat recovery heat exchanger also are all to link to each other with two groups of exhaust steam vaporizer, compressor and condensers that are communicated with by medium pipeline in the present embodiment; Every group the structure all structure with embodiment 2 is identical, and steam turbine 2 is identical with embodiment 3 with every group Connecting format with exhaust steam vaporizer 9; The control cabinet 22 that links to each other with power line 23 is also identical with embodiment 3 with the Connecting format of corresponding component.
According to the needs of the size of generating capacity, technological design, control operation etc., steam turbine and heat recovery heat exchanger can also link to each other with 3-5 groups or more groups of exhaust steam vaporizer, compressor and the condensers that are communicated with by medium pipeline simultaneously; Every group structure can be fully identical with embodiment 1, also can be fully identical with embodiment 2, or wherein several groups of structures with embodiment 1 are identical, several groups of structures with embodiment 2 are identical in addition.The Placement of steam turbine and heat recovery heat exchanger and every group is copied embodiment 3 and 4, that is: steam turbine is communicated with exhaust steam vaporizer in every group by the exhaust steam inlet pipe; Heat recovery heat exchanger is communicated with condenser in every group by the condensed fluid output tube.
It is other that control cabinet 22 in the foregoing description can be installed on compressor 19, also can select suitable mounting point.Be filled with an amount of F in the medium pipeline 123Or other compressed media.
For neat appearance, the member in the system can be assemblied in the cabinet.

Claims (6)

1, a kind of low boiling point working medium power generation system with exhaust steam energy recovery utilized device, comprise generator and coupled steam turbine, it is characterized in that: steam turbine links to each other with heat recovery heat exchanger, and steam turbine and heat recovery heat exchanger link to each other with one group of exhaust steam vaporizer, compressor and condenser that is communicated with by medium pipeline simultaneously at least; On the medium pipeline between exhaust steam vaporizer and the condenser expansion valve is housed, it is connected with point for measuring temperature on the medium pipeline that is contained between exhaust steam vaporizer and the compressor by capillary tube; Between exhaust steam vaporizer and the condenser fluid pipeline that is communicated with them is arranged, the liquid compression pump is housed on the fluid pipeline; Steam turbine is by linking to each other with the exhaust steam vaporizer with the exhaust steam inlet pipe of its connection; Heat recovery heat exchanger links to each other with condenser by the condensed fluid output tube of its connection; The control cabinet that links to each other with power line is connected with compressor, liquid compression pump, expansion valve by guide line and power supply wire harness.
2, the low boiling point working medium power generation system with exhaust steam energy recovery utilized device according to claim 1, it is characterized in that: on the exhaust steam inlet pipe between steam turbine and the exhaust steam vaporizer electric control valve is housed, the control cabinet that links to each other with power line is connected with electric control valve by guide line.
3, the low boiling point working medium power generation system with exhaust steam energy recovery utilized device according to claim 2 is characterized in that: be equipped with on the fluid pipeline between exhaust steam vaporizer and the condenser and increase the liquid pipeline.
4, the low boiling point working medium power generation system with exhaust steam energy recovery utilized device according to claim 3 is characterized in that: the auxiliary cooling heat exchanger of cooling water also is housed on the fluid pipeline between exhaust steam vaporizer and the condenser.
5, according to claim 2 or 3 described low boiling point working medium power generation systems with exhaust steam energy recovery utilized device, it is characterized in that: steam turbine and heat recovery heat exchanger all link to each other with two to five groups of exhaust steam vaporizer, compressor and condensers that are communicated with by medium pipeline; And steam turbine is communicated with exhaust steam vaporizer in every group by the exhaust steam inlet pipe; Heat recovery heat exchanger is communicated with condenser in every group by the condensed fluid output tube.
6, the low boiling point working medium power generation system with exhaust steam energy recovery utilized device according to claim 4 is characterized in that: steam turbine and heat recovery heat exchanger all link to each other with two to five groups of exhaust steam vaporizer, compressor and condensers that are communicated with by medium pipeline; And steam turbine is communicated with exhaust steam vaporizer in every group by the exhaust steam inlet pipe; Heat recovery heat exchanger is communicated with condenser in every group by the condensed fluid output tube.
CNU2008201481441U 2008-07-23 2008-07-23 Low boiling point medium power generation system with exhaust steam energy recovery and utilization apparatus Expired - Fee Related CN201225172Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201481441U CN201225172Y (en) 2008-07-23 2008-07-23 Low boiling point medium power generation system with exhaust steam energy recovery and utilization apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201481441U CN201225172Y (en) 2008-07-23 2008-07-23 Low boiling point medium power generation system with exhaust steam energy recovery and utilization apparatus

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102200037A (en) * 2011-03-27 2011-09-28 张善清 Low-temperature turbine and circulation device thereof
WO2012110987A1 (en) * 2011-02-19 2012-08-23 Devendra Purohit Environmental energy conversion device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012110987A1 (en) * 2011-02-19 2012-08-23 Devendra Purohit Environmental energy conversion device
CN102200037A (en) * 2011-03-27 2011-09-28 张善清 Low-temperature turbine and circulation device thereof

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090422

Termination date: 20100723

C17 Cessation of patent right