A generator set

Abstract

The invention discloses a generator set, comprising an evaporation chamber, a steam turbine, a heat exchange chamber, a generator, a first circulation pipeline, a second circulation pipeline and a third circulation pipeline; the first circulation pipeline comprises a first exhaust pipe, a first air outlet pipe and a first liquid discharge pipe, and a refrigerant medium is contained in the evaporation chamber; the second circulation pipeline contains the refrigerant medium, the second circulation pipeline is divided into a second high-pressure section and a second low-pressure section, the second high-pressure section is located in the inner cavity of the evaporation chamber, and a part of the second low-pressure section is placed in river water or sea water; the third circulation pipeline contains the refrigerant medium, the third circulation pipeline is divided into a third high-pressure section and a third low-pressure section, the third high-pressure section is located in the inner cavity of the evaporation chamber, a part of the third low-pressure section is placed in the inner cavity of the heat exchange chamber, and a third compression pump is installed on the third low-pressure section; the device can utilize the heat energy of flowing river water or sea water to generate electricity, does not need to change the geological structure of the river water or sea water, improves the utilization rate of the river water or sea water, and protects the ecological environment.

Description

Technical Field

[0001] The present invention relates to the technical field of power generation devices, and in particular to a power generation set. Background Art

[0002] Power generation refers to the production process of converting raw energy such as water energy, thermal energy of fossil fuels (coal, oil, natural gas), nuclear energy, etc. into electrical energy using power generation equipment. It is used to supply the needs of various sectors of the national economy and people's lives. At present, fossil fuels are still the main form of power generation, but the resources of fossil fuels are few and are becoming increasingly depleted. Humans have gradually begun to use more solar energy, wind energy, geothermal energy, ocean energy and other energy sources to generate electricity.

[0003] Currently, the main forms of power generation are hydroelectric power generation, thermal power generation and nuclear power generation. Currently, there is no device that uses the thermal energy of river water or sea water to generate electricity, resulting in the thermal energy of river water and sea water being wasted. Summary of the invention

[0004] In view of the defects in the prior art, the present invention provides a generator set, which can utilize the thermal energy of flowing river water or sea water to generate electricity without changing the geological structure of the river water or sea water, thereby improving the utilization rate of river water or sea water while protecting the ecological environment.

[0005] A generator set comprises an evaporation chamber, a steam turbine, a heat exchange chamber, a generator, a first circulation pipeline, a second circulation pipeline and a third circulation pipeline, wherein the steam turbine is connected to the generator;

[0006] The first circulation pipeline comprises a first exhaust pipe, a first air outlet pipe and a first liquid discharge pipe, the two ends of the first exhaust pipe are respectively connected to the exhaust end of the evaporation chamber and the air inlet end of the turbine impeller chamber, the two ends of the first air outlet pipe are respectively connected to the air outlet end of the turbine impeller chamber and the feed end of the heat exchange chamber, a first compression pump is installed on the first air outlet pipe, the two ends of the first liquid discharge pipe are respectively connected to the liquid outlet end of the heat exchange chamber and the liquid inlet end of the evaporation chamber, a one-way valve is arranged on the first liquid discharge pipe, and the inner cavity of the evaporation chamber contains a refrigerant medium;

[0007] The second circulation pipeline is a circulation pipe connected end to end, and the second circulation pipeline contains a refrigerant medium. The second circulation pipeline is divided into a second high-pressure section and a second low-pressure section. The diameter of the second high-pressure section is smaller than that of the second low-pressure section. The second high-pressure section is located in the inner cavity of the evaporator chamber, and a part of the second low-pressure section is placed in river water or sea water. A second compression pump is installed on the second low-pressure section, and the refrigerant medium that has been heat exchanged with the river water or sea water can enter the second high-pressure section after passing through the second compression pump;

[0008] The third circulation pipeline is a circulation pipe connected end to end, and contains refrigerant medium. The third circulation pipeline is divided into a third high-pressure section and a third low-pressure section. The diameter of the third high-pressure section is smaller than that of the third low-pressure section. The third high-pressure section is located in the inner cavity of the evaporator chamber, and a part of the third low-pressure section is placed in the inner cavity of the heat exchange chamber. A third compression pump is installed on the third low-pressure section. The refrigerant medium in the third circulation pipeline enters the third high-pressure section through the third compression pump after heat exchange in the heat exchange chamber.

[0009] Preferably, the first exhaust pipe is wrapped with a heat insulation layer.

[0010] Preferably, the first air outlet pipe is wrapped with a heat insulation layer.

[0011] Preferably, the refrigerant medium in the second circulation pipeline is wrapped with a heat insulation layer on the second low-pressure section between the second high-pressure section and the second low-pressure section after heat exchange in the river water or sea water.

[0012] Preferably, the refrigerant in the third circulation pipeline is wrapped with a heat insulation layer on the third low-pressure section between the third high-pressure sections after the refrigerant in the heat exchange chamber flows thereto.

[0013] Preferably, the second high-voltage section is a copper tube.

[0014] Preferably, the third high-voltage section is a copper tube.

[0015] Preferably, it further comprises a hull, and the evaporation chamber, the steam turbine, the heat exchange chamber, the generator, the first circulation pipeline, the second circulation pipeline and the third circulation pipeline are all installed on the hull.

[0016] Preferably, it also includes a box and an air pump, the evaporation chamber, steam turbine, heat exchange chamber, generator, first compression pump, second compression pump, third compression pump and air pump are all arranged in the box, the box is filled with gaseous refrigerant, the output end of the air pump is connected to the inner cavity of the heat exchange chamber, and a first one-way valve is arranged between the air pump and the heat exchange chamber.

[0017] The beneficial effects of the present invention are embodied in that: the technical solution includes an evaporation chamber, a steam turbine, a heat exchange chamber, a generator, a first circulation pipeline, a second circulation pipeline and a third circulation pipeline, wherein the steam turbine is connected to the generator; the refrigerant in the second circulation pipeline absorbs the energy of the flowing river water or seawater and performs heat exchange with the refrigerant in the first circulation pipeline, the refrigerant in the first circulation pipeline absorbs the heat energy and performs work on the steam turbine, the third circulation pipeline absorbs the remaining heat energy of the refrigerant in the first circulation pipeline and returns the refrigerant in the first circulation pipeline to the initial state to form a complete cycle, so that the heat energy of the flowing river water or seawater can be used to generate electricity, and there is no need to change the geological structure of the river water or seawater, thereby improving the utilization rate of the river water or seawater while protecting the ecological environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0019] Figure 1 It is a principle block diagram of the present invention.

[0020] In the accompanying drawings, 1-evaporation chamber, 2-steam turbine, 3-heat exchange chamber, 4-first compression pump, 5-second compression pump, 6-third compression pump, 7-check valve, 101-first exhaust pipe, 102-first air outlet pipe, 13-first liquid discharge pipe, 201-second high-pressure section, 202-second low-pressure section, 301-third high-pressure section, 302-third low-pressure section. DETAILED DESCRIPTION

[0021] The following embodiments of the technical solution of the present invention are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

[0022] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by those skilled in the art to which the present invention belongs.

[0023] Example 1

[0024] like Figure 1 As shown, in this embodiment, a generator set is provided, comprising an evaporation chamber 1, a steam turbine 2, a heat exchange chamber 3, a generator, a first circulation pipeline, a second circulation pipeline and a third circulation pipeline, wherein the steam turbine 2 is connected to the generator;

[0025] The first circulation pipeline includes a first exhaust pipe 101, a first air outlet pipe 102 and a first liquid discharge pipe 103, the two ends of the first exhaust pipe 101 are respectively connected to the exhaust end of the evaporation chamber 1 and the air inlet end of the impeller chamber of the turbine 2, the two ends of the first air outlet pipe 102 are respectively connected to the air outlet end of the impeller chamber of the turbine 2 and the feed end of the heat exchange chamber 3, the first air outlet pipe 102 is installed with a first compression pump 4, the two ends of the first liquid discharge pipe 103 are respectively connected to the liquid outlet end of the heat exchange chamber 3 and the liquid inlet end of the evaporation chamber 1, the first liquid discharge pipe 103 is provided with a one-way valve 7, and the inner cavity of the evaporation chamber 1 contains a refrigerant medium;

[0026] The second circulation pipeline is a circulation pipe connected end to end, and contains refrigerant medium. The second circulation pipeline is divided into a second high-pressure section 201 and a second low-pressure section 202. The diameter of the second high-pressure section 201 is smaller than that of the second low-pressure section 202. The second high-pressure section 201 is located in the inner cavity of the evaporation chamber 1, and a part of the second low-pressure section 202 is placed in river water or sea water. A second compression pump 5 is installed on the second low-pressure section 202, and the refrigerant medium that has been heat exchanged with river water or sea water can enter the second high-pressure section 201 after passing through the second compression pump 5;

[0027] The third circulation pipeline is a circulation pipe connected end to end, and contains refrigerant medium. The third circulation pipeline is divided into a third high-pressure section 301 and a third low-pressure section 302. The diameter of the third high-pressure section 301 is smaller than the diameter of the third low-pressure section 302. The third high-pressure section 301 is located in the inner cavity of the evaporation chamber 1, and a part of the third low-pressure section 302 is placed in the inner cavity of the heat exchange chamber 3. The third low-pressure section 302 is installed with a third compression pump 6. The refrigerant medium in the third circulation pipeline enters the third high-pressure section 301 through the third compression pump 6 after heat exchange in the heat exchange chamber 3.

[0028] The specific working principle is as follows: the evaporation chamber 1 contains a refrigerant, the second circulation pipeline contains a refrigerant, and the third circulation pipeline contains a refrigerant. The refrigerant is a refrigerant with a low boiling point, such as Freon.

[0029] In the first circulation pipeline, the refrigerant in the evaporation chamber 1 absorbs heat and vaporizes into a relatively high-temperature and high-pressure vapor state, and then enters the impeller cavity of the steam turbine 2 through the first exhaust pipe 101, driving the impeller of the steam turbine 2 to rotate, thereby driving the generator to generate electricity, and then the refrigerant becomes a low-temperature and low-pressure vapor state and is discharged from the outlet end of the impeller cavity of the steam turbine 2 to the first outlet pipe 102, and enters the first compression pump 4. The first compression pump 4 compresses the refrigerant into a medium-temperature and medium-pressure gas-liquid mixed state and then enters the heat exchange chamber 3. In the heat exchange chamber 3, the refrigerant is heat-exchanged into a low-temperature and medium-pressure liquid state and enters the evaporation chamber 1 to form a circulation of the refrigerant in the first circulation pipeline. The refrigerant in the first circulation pipeline circulates continuously to drive the generator to generate electricity;

[0030] The heat in the first circulation pipeline comes from the second circulation pipeline and the third circulation pipeline. The principles of the second circulation pipeline and the third circulation pipeline are introduced in turn below;

[0031] The refrigerant in the second low-pressure section 202 of the second circulation pipeline is in a medium-temperature and medium-pressure liquid state before entering the river water or seawater for heat exchange. When entering the part located in the flowing river water or seawater, the refrigerant absorbs the heat energy of the flowing river water or seawater and converts it into a low-temperature and low-pressure vapor state, and then moves to the second compression pump 5. The second compression pump 5 preliminarily pressurizes the refrigerant into a high-temperature and high-pressure vapor-liquid mixed state, and then flows into the second high-pressure section 201. The diameter of the second high-pressure section 201 is smaller than that of the second low-pressure section 202. Therefore, the refrigerant is further pressurized in the second high-pressure section 201 to release The heat is transferred to the evaporation chamber 1 to exchange heat with the refrigerant medium in the evaporation chamber 1, and then becomes a medium-temperature and medium-pressure liquid and flows out. The basic function of the second compression pump 5 here is to promote the circulation of the refrigerant medium, and at the same time preliminarily pressurize the refrigerant medium, so that the refrigerant medium entering the second high-pressure section 201 already has a higher pressure, and then pressurizes and releases heat in the second high-pressure section 201, so that the heat of the river water or seawater absorbed by the refrigerant medium can be basically released and heat exchanged with the refrigerant medium in the evaporation chamber 1, so that the thermal energy of the absorbed flowing river water or seawater can be fully utilized.

[0032] The refrigerant in the third low-pressure section 302 of the third circulation pipeline becomes a medium-temperature and medium-pressure liquid before entering the heat exchange chamber 3 for heat exchange, and then moves into the heat exchange chamber 3 to exchange heat with the medium-temperature and medium-pressure gas-liquid mixed state refrigerant in the first circulation pipeline located in the heat exchange chamber 3, so as to absorb the heat energy discharged from the steam turbine 2 by the refrigerant. The refrigerant in the third circulation pipeline exchanges heat in the heat exchange chamber 3 to become a temperature-temperature and low-pressure vapor state, and then passes through the third compression pump 6. The third compression pump 6 preliminarily pressurizes the refrigerant into a high-temperature and high-pressure vapor-liquid mixed state, and then flows into the third high-pressure section 301. The diameter of the third high-pressure section 301 is smaller than that of the third low-pressure section 302. Therefore, the refrigerant is further pressurized and releases heat in the third high-pressure section 301. The heat is transferred to the evaporation chamber 1 to exchange heat with the refrigerant in the evaporation chamber 1, and then it becomes a medium-temperature and medium-pressure liquid and flows out. The basic function of the third compression pump 6 here is to promote the circulation of the refrigerant, and at the same time preliminarily pressurize the refrigerant so that the refrigerant entering the third high-pressure section 301 already has a relatively high pressure, and then pressurize and release heat in the third high-pressure section 301, so that all the heat energy absorbed in the third circulation pipeline can be released to exchange heat with the refrigerant in the evaporation chamber 1, so that the heat energy of the refrigerant discharged by the turbine 2 can be fully utilized, and at the same time, the refrigerant in the first circulation pipeline can be converted into a low-temperature and medium-pressure liquid to enter the evaporation chamber 1, thereby realizing the complete circulation of the refrigerant in the first circulation pipeline.

[0033] An initial power supply is provided in the entire system to supply power to the first compression pump 4 , the second compression pump 5 and the third compression pump 6 .

[0034] In this embodiment, the first exhaust pipe 101 and the first outlet pipe 102 are wrapped with a heat insulation layer. In this embodiment, the first exhaust pipe 101 and the first outlet pipe 102 are wrapped with a heat insulation layer, which can prevent the refrigerant medium flowing from the evaporation chamber 1 to the steam turbine 2 from dissipating heat, so that the refrigerant medium maintains a high temperature to work on the impeller of the steam turbine 2, and at the same time reduces the heat dissipation of the refrigerant medium in the first outlet pipe 102.

[0035] In this embodiment, the refrigerant in the second circulation pipeline is wrapped with a heat insulation layer after the refrigerant exchanges heat from the river water or sea water and flows to the second low-pressure section 202 between the second high-pressure section 201. In this embodiment, the second low-pressure section 202 between the river water or sea water and the second high-pressure section 201 is wrapped with a heat insulation layer, which can reduce the heat dissipation of the refrigerant after the heat exchange with the river water and the large amount of heat dissipation of the refrigerant after the second compression pump 5 is compressed, so that the heat of the refrigerant is released after entering the second high-pressure section 201, thereby minimizing the waste of heat energy and improving the utilization rate of heat energy.

[0036] In this embodiment, the refrigerant in the third circulation pipeline is wrapped with a heat insulation layer on the third low-pressure section 302 between the third high-pressure section 301 after the refrigerant in the heat exchange chamber 3 exchanges heat. In this way, a large amount of heat dissipation of the refrigerant after the refrigerant exchanges heat in the heat exchange chamber 3 and after the refrigerant is compressed by the third compression pump 6 can be reduced, so that the heat of the refrigerant enters the third high-pressure section 301 and is released, thereby minimizing the waste of heat and improving the utilization rate of thermal energy.

[0037] This embodiment also includes a hull, and the evaporation chamber 1, the steam turbine 2, the heat exchange chamber 3, the generator, the first circulation pipeline, the second circulation pipeline and the third circulation pipeline are all installed on the hull.

[0038] This embodiment also includes a box body and an air pump. The evaporation chamber 1, the steam turbine 2, the heat exchange chamber 3, the generator, the first compression pump 4, the second compression pump 5, the third compression pump 6 and the air pump are all arranged in the box body. The box body is filled with gaseous refrigerant. The output end of the air pump is connected to the inner cavity of the heat exchange chamber 3, and a first one-way valve is arranged between the air pump and the heat exchange chamber 3.

[0039] The rotation of the impeller in the impeller chamber of the steam turbine 2 drives the impeller shaft to rotate, but it is difficult for the impeller shaft of the steam turbine to rotate completely and seal, which will cause the refrigerant in the first circulation pipeline to leak from the impeller chamber. In this embodiment, all components are arranged in the box body, and the refrigerant gas is filled in the box body. When the refrigerant in the first circulation pipeline leaks, it will leak into the box body. When the refrigerant concentration in the box body is relatively high, the air pump is started to pump part of the refrigerant in the box body into the heat exchange chamber 3 to achieve the refrigerant replenishment of the first circulation pipeline. This solves the technical problem that the impeller shaft is difficult to rotate and seal, and prevents the refrigerant from leaking to the outside. At the same time, since the box body is full of gaseous refrigerant, there is no oxygen, air, water, etc., which can play an anti-corrosion and anti-rust effect. It can also use the heat after rapid heat dissipation of each device, further improving the power generation efficiency. The first one-way valve prevents the refrigerant in the heat exchange chamber 3 from flowing to the air pump.

[0040] In this way, through the coordination of various components of the system, the normal operation of the system is guaranteed, the normal operation of the compression pump is maintained, and the thermal energy of the flowing river water or seawater is fully utilized. The thermal energy of the flowing river water or seawater is used to generate electricity without changing the geological structure of the river water or seawater. The utilization rate of river water or seawater is improved while protecting the ecological environment.

[0041] This device is suitable for places where the river water or sea water temperature is relatively high, such as places where the river water or sea water temperature is more than 20 degrees.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A generator set, characterized in that: It comprises an evaporation chamber (1), a steam turbine (2), a heat exchange chamber (3), a generator, a first circulation pipeline, a second circulation pipeline and a third circulation pipeline, wherein the steam turbine (2) is connected to the generator; The first circulation pipeline comprises a first exhaust pipe (101), a first air outlet pipe (102) and a first liquid discharge pipe (103); the two ends of the first exhaust pipe (101) are respectively connected to the exhaust end of the evaporation chamber (1) and the air inlet end of the impeller chamber of the steam turbine (2); the two ends of the first air outlet pipe (102) are respectively connected to the air outlet end of the impeller chamber of the steam turbine (2) and the feed end of the heat exchange chamber (3); a first compression pump (4) is installed on the first air outlet pipe (102); the two ends of the first liquid discharge pipe (103) are respectively connected to the liquid outlet end of the heat exchange chamber (3) and the liquid inlet end of the evaporation chamber (1); a one-way valve (7) is arranged on the first liquid discharge pipe (103); and the inner cavity of the evaporation chamber (1) contains a refrigerant medium; The second circulation pipeline is a circulation pipe connected end to end, and contains a refrigerant medium. The second circulation pipeline is divided into a second high-pressure section (201) and a second low-pressure section (202). The diameter of the second high-pressure section (201) is smaller than the diameter of the second low-pressure section (202). The second high-pressure section (201) is located in the inner cavity of the evaporation chamber (1), and a part of the second low-pressure section (202) is placed in river water or sea water. A second compression pump (5) is installed on the second low-pressure section (202), and the refrigerant medium that has undergone heat exchange with river water or sea water can enter the second high-pressure section (201) after passing through the second compression pump (5); The third circulation pipeline is a circulation pipe connected end to end. The third circulation pipeline contains a refrigerant medium. The third circulation pipeline is divided into a third high-pressure section (301) and a third low-pressure section (302). The diameter of the third high-pressure section (301) is smaller than the diameter of the third low-pressure section (302). The third high-pressure section (301) is located in the inner cavity of the evaporation chamber (1). A part of the third low-pressure section (302) is placed in the inner cavity of the heat exchange chamber (3). A third compression pump (6) is installed on the third low-pressure section (302). After heat exchange in the heat exchange chamber (3), the refrigerant in the third circulation pipeline passes through the third compression pump (6) and enters the third high-pressure section (301).

2. A generator set according to claim 1, characterized in that: The first exhaust pipe (101) is wrapped with a heat insulation layer.

3. A generator set according to claim 1, characterized in that: The first air outlet pipe (102) is wrapped with a heat insulation layer.

4. A generator set according to claim 1, characterized in that: The refrigerant medium in the second circulation pipeline is wrapped with a heat insulation layer on the second low-pressure section (202) between the second high-pressure section (201) after heat exchange with the river water or sea water.

5. A generator set according to claim 1, characterized in that: The refrigerant in the third circulation pipeline is wrapped with a heat insulation layer on the third low-pressure section (302) between the third high-pressure section (301) and the third low-pressure section (302) after heat exchange in the heat exchange chamber (3).

6. A generator set according to claim 3, characterized in that: The second high-pressure section (201) is a copper tube.

7. A generator set according to claim 4, characterized in that: The third high-pressure section (301) is a copper tube.

8. A generator set according to claim 1, characterized in that: It also comprises a hull, on which the evaporation chamber (1), the steam turbine (2), the heat exchange chamber (3), the generator, the first circulation pipeline, the second circulation pipeline and the third circulation pipeline are all installed.

9. A generator set according to claim 1, characterized in that: It also includes a box body and an air pump, wherein the evaporation chamber (1), the steam turbine (2), the heat exchange chamber (3), the generator, the first compression pump (4), the second compression pump (5), the third compression pump (6) and the air pump are all arranged in the box body, the box body is filled with gaseous refrigerant, the output end of the air pump is connected to the inner cavity of the heat exchange chamber (3), and a first non-return valve is arranged between the air pump and the heat exchange chamber (3).

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