CN102606429B - Thermal-radiation internal-circulation power generation device - Google Patents

Abstract

The invention discloses a thermal radiation internal cycle power generation device. It mainly consists of solar tubes (5), three high-position high-position expansion tanks (6-1, 6-2, 6-3), low-position oil storage tanks (25), three circulation pumps (8-1, 8-2, 8 -3), energy storage tank (7), constant temperature furnace (12), condensate expansion tank (10), high-pressure syringe pump (13), high-pressure spray device (14), steam generator (15), steam storage tank (18), steam turbine (19), generator (20), circulating steam pipeline (21), steam condenser (22) and condensate pipe (23) form. The invention makes full use of solar heat source, heat transfer oil and salt solution as energy storage and heat transfer medium; uses other multiple energy sources for complementary heating; the special structure of the steam generator; the heat conduction oil heats and atomizes the wet air flow and converts it into high-temperature and high-pressure steam instantly, achieve a critical effect. The invention can be used in large, medium and small power generation fields.

Description

Thermal radiation internal circulation power generation device

technical field

The invention relates to a power generation device, in particular to a thermal radiation internal circulation power generation device.

Background technique

The invention improves and upgrades the steam generator in the original solar oil heat conduction heat supply device. The saline solution is contained in the energy storage tank, which has the advantages of high boiling point and low cost; the constant temperature tank is improved into a constant temperature furnace, which has the advantage that various energy sources (fossil energy, bioenergy, gas, fuel oil, etc.) can be used to heat the heat transfer oil. At present, power generation devices on the market mainly use single thermal power, single hydraulic power, single solar power, and single nuclear energy to generate electricity. Their models are traditionally outdated, with low heat conversion efficiency and easy loss of heat energy, resulting in energy waste.

Contents of the invention

The purpose of the present invention is to provide a novel model, simple structure, energy saving, water saving, high heat conversion efficiency, environmental protection, no concentrated water, no scale, the generator can be sprayed by the spray device through the pressure of the mechanical pump, which belongs to the dry spray explosion Steam production, breaking through hundreds of years of one-time heating of a large amount of water and repeated work and boiling bubble steam production, multiple energy sources and solar energy complement each other to heat heat transfer oil, transfer heat energy to the steam generator, and heat the atomized steam in the steam generator The wet air flow causes all the water to expand instantly and absorb the enthalpy in the heat transfer oil at the front end to achieve high temperature and high pressure conversion to steam, achieving critical effect, long service life and easy maintenance of thermal radiation internal cycle power generation device.

The technical scheme that the present invention solves the problems of the technologies described above is:

Thermal radiation internal circulation power generation device, which mainly consists of solar tube 5, three high-level high-level expansion tanks 6-1, 6-2, 6-3, low-level oil storage tank 25, and three circulating pumps 8-1, 8-2, 8 -3. Energy storage tank 7, constant temperature furnace 12, condensate expansion tank 10, high-pressure plug pump 13, high-pressure spray device 14, steam generator 15, steam storage tank 18, steam turbine 19, generator 20, circulating steam pipeline 21 , a steam condenser 22 and a condensation pipe 23,

The structure of each part is as follows:

1) The solar tube 5 is composed of a solar vacuum tube 1, a U-shaped metal blade tube 2, a reflector 3, and a connection box 4. The U-shaped metal blade tube 2 is a U-shaped metal tube with heat-absorbing blades on it, and the U-shaped metal blade tube 2 is a U-shaped metal tube. The blade tube 2 is inserted into the solar vacuum tube 1. The blades of the U-shaped metal blade tube 2 are attached to the inner wall of the solar vacuum tube 1. A reflector 3 is installed under the solar vacuum tube 1. There are two metal pipes and thermal insulation materials in the connection box 4, U-shaped The two ends of the metal leaf tube 2 are respectively connected with two metal pipes in the connection box 4;

2) The three high-level expansion tanks 6-1, 6-2, and 6-3 are empty tanks with an insulating layer on the outside and heat-conducting oil for expansion inside;

3) The low oil storage tank 25 is an empty tank, filled with heat transfer oil;

4) There is an insulation layer outside the energy storage tank 7, and the tank is filled with saline solution, and two sets of heat conduction coils 24-1 and 24-2 with inlet and outlet pipes are arranged in the tank;

5) The condensed water expansion tank 10 is an empty tank body, and the tank body is connected with a soft water replenishment pipe 11 and an expansion telescopic pipe 9, which contain expanded steam and condensed water;

6) The constant temperature furnace 12 is a furnace body heated at a constant temperature, and multiple furnace bodies can be combined in parallel. There is an insulation layer outside the furnace body, and a heating chamber inside. Two groups of heat conduction coils 26 with inlet and outlet pipes are arranged in the heating chamber. -1, 26-2 and multiple energy combustion devices;

7) The steam generator 15 is a multi-layer annular sealed pipeline with an insulation layer outside, and multiple steam generators can be combined in parallel. The steam generators are respectively the first oil guide layer 32, the second oil guide layer 34, and the third oil guide layer. The oil layer 36 and the fourth oil-conducting layer 38, the first steam layer 33, the second steam layer 35 and the third steam layer 37, the first steam layer 33 and the second steam layer 35, the second oil-conducting layer 34 and the third steam layer at the A end The oil-guiding layer 36 is respectively provided with communicating pipes, the first oil-guiding layer 32 communicates with the first pipeline 16, the third steam layer 37 communicates with the second pipeline 29, and the fourth oil-guiding layer 38 communicates with the third pipeline 17; The oil-conducting layer 32 and the second oil-conducting layer 34, the second vapor layer 35 and the third vapor layer 37, the third oil-conducting layer 36 and the fourth oil-conducting layer 38 are respectively provided with communicating pipes;

8) The steam storage tank 18 is an empty tank with a thermal insulation layer outside, and is provided with steam inlet and outlet pipes;

The connection method of the various components of the thermal radiation internal circulation power generation device is as follows:

The solar tube 5 is connected to the inlet and outlet pipes of the first heat conduction coil 24-2 of the energy storage tank 7 through two pipelines in the connection box 4, and a circulating pump 8-1 and a high-level expansion tank 6-1 are installed on one of the pipelines. 1;

The high expansion tank 6-2 is connected with the energy storage tank 7 through pipelines;

The first heat conduction coil 24-1 in the energy storage tank 7 is connected to the inlet oil pipe of the third heat conduction coil 26-1 in the heating chamber of the constant temperature furnace 12 through an outlet pipeline; the first heat conduction coil 24-1 in the energy storage tank 7 1 Connect the outlet oil pipe of the fourth heat conduction coil 26-2 in the heating chamber of the constant temperature furnace 12 through the inlet pipe, and the second circulation pump 8-2 is installed on this pipe;

The condensate expansion tank 10 is connected to the inlet pipe of the high-pressure plug pump 13 through a pipe, and the outlet pipe 30 of the high-pressure plug pump 13 is connected to the high-pressure spray device 14, and the high-pressure spray device 14 is connected to the first steam layer 33 at the B end of the steam generator 15 , the third steam layer 37 of the A end of the steam generator 15 is connected with the steam storage tank 18 inlet pipe through the second pipeline 29; The first heat transfer oil layer 32 at the A end of 15 is connected, and the inlet pipe of the fourth heat transfer coil 26-2 of the constant temperature furnace 12 is connected with the fourth heat oil layer 38 at the A end of the steam generator 15 through the third pipeline 17, and the third pipeline 17 A circulating pump 8-3 and a high-level expansion tank 6-3 are installed on the top; the low-level oil storage tank 25 is connected with the high-level expansion tank 6-3;

The steam storage tank 18 is connected to the steam turbine 19 through pipelines, the steam turbine 19 is connected to the generator 20, and a circulating steam pipeline 21 is connected to the steam turbine, and the circulating steam pipeline 21 is connected to one end of the steam condenser 22, and the other end of the steam condenser 22 It is connected with the condensate expansion tank 10 through the condensate pipe 23 .

Above-mentioned steam generator (15) is the parallel combination of 1-1000 steam generators.

The above-mentioned constant temperature furnace (12) is a parallel combination of 1-100 constant temperature furnaces.

The advantages of the present invention are:

1. The present invention fully utilizes and stores the thermal energy of solar energy (it can be used within 1 to several days according to the thermal energy stored on the day), complements with various energy sources, heats steam after water atomization, and has a comprehensive effective heat exchange area of the generator Utilization, the upper and lower sides of the steam generator's multi-layer oil passages use heat radiation to continuously spray and explode steam production mode, breaking through hundreds of years of one-time heating of a large amount of water for repeated work and boiled bubble steam production, the generator device saves more than 50% of energy, Reduce the heat loss of repeated heating water, water recycling, no concentrated water in the generator, no scale, when no steam is produced, the water and oil at the front end can play the role of energy storage, it is a pump pressure cycle without safety hazards, and heat transfer oil, salt The solution has the characteristics of high boiling point and large specific heat; the heat transfer oil is used to transfer the salt solution to the salt solution as a static energy storage medium, and the heat transfer oil and water can also be used for energy storage. The U-shaped metal blade tube at the front has a small proportion of heat. The heating speed is fast the next day, which avoids the repeated heating time of the traditional solar trough type, improves the thermal efficiency and avoids liquid leakage, and is easy to replace the tube. It can be applied to the floor of the building to realize the pump pressure cycle protection and automatic adjustment of the expansion level. The function of the tank, the water is exchanged and stored at the set temperature, and a variety of energy sources can be selected to complement the heat transfer oil and store it in the salt solution; a variety of energy sources and solar energy can complement each other to heat the heat transfer oil (non-combustion), and the heat transfer oil circulates in the system. The thermal energy is transferred to the steam generator, and the atomized wet airflow in the steam generator is heated, so that all the water expands instantly and absorbs the enthalpy in the heat transfer oil at the front end to achieve high-temperature and high-pressure conversion of steam to achieve a critical effect and provide it to the steam turbine for power generation. The steam generated by the steam turbine returns to the condensate expansion tank through the circulation pipeline and the reduced water of the steam condenser, and is used again to produce steam by doing temperature difference work, saving water.

2. The present invention uses a variety of energy sources to heat the heat transfer oil in the thermostatic furnace and mix it with solar energy to control the oil temperature (medium temperature) and supply it to the steam generator for steam production and power generation, so as to ensure steam production and power generation under any weather conditions.

Description of drawings

Fig. 1 is a structural schematic diagram of the thermal radiation internal cycle power generation device of the present invention.

In the figure: solar tube 5, U-shaped metal blade tube 2, solar vacuum tube 1, reflector 3, connection box 4, three high expansion tanks 6-1, 6-2, 6-3, low oil storage tank 25, three Circulation pumps 8-1, 8-2, 8-3, energy storage tank 7, first heat conduction coil 24-1, second heat conduction coil 24-2, constant temperature furnace 12, third heat conduction coil heat conduction coil 26 -1. The fourth heat conduction coil 26-2, high-pressure plunger pump 13, condensate expansion tank 10, expansion expansion pipe 9, soft water supply pipe 11, spray device 14, steam generator 15, first pipeline 16, third Pipeline 17, second pipeline 29, steam storage tank 18, steam turbine 19, generator 20, circulating steam pipeline 21, steam condenser 22, condensate pipe 23, outlet pipeline 30 of high-pressure injection plug pump.

Fig. 2 and Fig. 3 are structural schematic diagrams of the steam generator of the present invention.

Among the figure: the outlet pipeline 30 of the high-pressure injection plug pump, the high-pressure spraying device 14, the thermal oil layers 32, 34, 36, 38, the steam layers 33, 35, 37, the second pipeline 17, the first pipeline 16, and the second pipeline 29.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Example 1

Tube heat radiation internal circulation power generation device: when there is sufficient sunlight, as shown in Figure 1, the solar tube 5 is connected to the first heat conduction coil 24-2 in the energy storage tank 7 through the inlet and outlet through the two pipes in the connection box 4 . The energy storage tank 7 has an insulation layer and is connected with the high-level expansion tank 6-2, and the inside of the tank body is empty for containing saline solution. One of the pipelines connecting the energy storage tank 7 and the solar tube 5 is provided with a circulating pump 8-1 and connected with a high-level expansion tank 6-1. The heat conduction coil 24-1 in the energy storage tank 7 is connected to the inlet oil pipe of the third heat conduction coil 26-1 of the constant temperature furnace 12 through an outlet pipeline, and a circulation pump 8-2 is housed on this pipeline; There are expansion and contraction devices 9 and soft water replenishment pipes 11. The interior of the body is empty and is used to contain the expanded steam and condensed water. The condensed water expansion tank 10 is connected to the inlet pipe of the high-pressure plug pump 13 through a pipeline. The high-pressure plug pump 13 The outlet pipe 30 is connected to the high-pressure spray device 14, and the high-pressure spray device communicates with the B-end steam layer 33 of the steam generator 15, and the A-end steam layer 37 of the steam generator 15 is connected to the steam storage tank 18 inlet pipe through the second pipeline 29 , the constant temperature furnace 12 has an insulation layer outside and a heating chamber inside, the outlet pipe of the third heat conduction coil 26-1 of the constant temperature furnace 12 is connected with the first heat conduction oil layer 32 of the A end of the steam generator 15 through the pipeline 16, and the constant temperature furnace 12 fourth The inlet pipe of the heat conduction coil 26-2 is connected to the fourth heat conduction oil layer 38 at the A end of the steam generator 15 through the third pipe 17, and the circulation pump 8-3 is installed on the pipe 17; the high-level expansion tank 6-3 is connected to the pipe 17 and connected with the lower expansion tank 25. The third steam layer 37 at the A end of the steam generator 15 is connected to the steam storage tank 18 through the second pipeline 29, the steam storage tank 18 is connected to the steam turbine 19 through the pipeline, the steam turbine is connected to the generator 20, and a circulation steam pipeline 21 is connected to the steam turbine The circulating steam pipe 21 is connected to the steam condenser 22, and the other end of the condenser 22 is connected to the condensate expansion tank 10 through the condensate pipe 23.

When implementing the present invention: the first heat conduction coil 26-1 and the second heat conduction coil 26-2 of the U-shaped metal blade pipe 2 of solar energy, the energy storage tank 7, the third heat conduction coil 26-2 of the thermostatic furnace 12 that heat conduction oil is injected 26-1 and the fourth heat conduction coil 26-2 and steam generator 15 heat conduction oil layer, inject saline solution into energy storage tank 7. Turn on the circulation pump 8-1 between the solar tube 5 and the energy storage tank 7, so that the heat transfer oil circulates between the two, and transfer and store the solar energy in the saline solution of the energy storage tank 7; turn on the energy storage tank 7 and the constant temperature furnace Circulation pump 8-2 between 12, open the circulation pump 8-3 between constant temperature furnace 12 and steam generator 15, make heat transfer oil circulate among the three; When the steam production temperature is reached, the water in the condensate expansion tank 10 is passed through the high-pressure plug pump 13 and then through the high-pressure spray device 14, so that the hot water is sprayed into the B-end steam layer 33 of the steam generator 15 in the form of high-pressure mist. The mist hot water is heated in the high-temperature steam generator 15 and converted into steam extremely quickly; the steam is discharged from the A-side steam layer 37 of the steam generator 15 and enters the steam storage tank 18; the steam in the steam storage tank 18 is provided to the steam turbine 19. The steam turbine 19 drives the generator 20 to generate electricity; the steam passing through the steam turbine 19 is condensed and recovered to the condensate expansion tank 10 through the circulating steam pipe 21, the condenser 22, and the condensation pipe 23, and is provided for production steam again.

When sunlight is insufficient, treat that the oil temperature in the constant temperature furnace 12 and the steam generator 15 reaches the highest temperature that solar energy can provide at that time, close the circulating pump 8-2, use other various energy sources to heat the heat transfer oil in the constant temperature furnace, and make the constant temperature The heat transfer oil in the furnace 12 and the steam generator 15 reaches the steam making temperature.

Claims (3)

1. circulation electric generating apparatus in the thermal radiation, it is characterized in that: it is mainly by solar pipe (5), three high-order expansion slot (6-1,6-2,6-3), low level oil storage tank (25), three recycle pump (8-1,8-2,8-3), energy storage tank (7), constant temperature oven (12), coagulate water expansion slot (10), high-pressure plunger pump (13), high pressure sprays fog equipment (14), steam generator (15), steam storage tank (18), steam turbine (19), generator (20), cyclic steam pipeline (21), steam condensation water device (22) and coagulate water pipe (23) and form

The structure of each parts is as follows:

1) described solar pipe (5) is by solar energy vacuum tube (1), U-shaped metal blade pipe (2), reflecting mirror (3), connecting box (4) is formed, U-shaped metal blade pipe (2) is U-shaped metal tube, the blade that heat absorption is arranged above, U-shaped metal blade pipe (2) is inserted in the solar energy vacuum tube (1), the blade of U-shaped metal blade pipe (2) is attached to solar energy vacuum tube (1) inwall, reflecting mirror (3) is equipped with in solar energy vacuum tube (1) below, two metallic conduits and thermal insulating material are arranged in the connecting box (4), the two ends of U-shaped metal blade pipe (2) respectively with connecting box (4) in two metallic conduits link to each other;

2) described three high-order expansion slots (6-1,6-2,6-3) are the slack tank body, and thermal insulation layer is arranged outward, the conduction oil that interior splendid attire expands;

3) described low level oil storage tank (25) is the slack tank body, interior splendid attire conduction oil;

4) described energy storage tank (7) is outer a thermal insulation layer, splendid attire salt solution in the tank body, be provided with in the tank body two groups bring into, the heat conduction coil pipe (24-1,24-2) of outer pipe;

5) described water expansion slot (10) with fixed attention is the slack tank body, and tank body is connected to an additional soft wa ter pipe (11) and expansion pipe (9), steam and condensed water that interior splendid attire expands;

6) described constant temperature oven (12) is the body of heater of heated at constant temperature, and body of heater has thermal insulation layer outward, and interior is heating chamber, be provided with in the heating chamber two groups bring into, heat conduction coil pipe (26-1,26-2) and the various energy resources firing unit of outer pipe;

7) described steam generator (15) is for there being the multilayer annular seal pipeline of thermal insulation layer outward, be respectively the first Oil Guide layer (32), the second Oil Guide layer (34), the 3rd Oil Guide layer (36) and the 4th Oil Guide layer (38), and first vapor film (33), second vapor film (35) and the 3rd vapor film (37); Hold first vapor film (33) and second vapor film (35), the second Oil Guide layer (34) to be respectively equipped with connecting tube with the 3rd Oil Guide layer (36) at the A of described steam generator (15), the first Oil Guide layer (32) is communicated with first pipe (16), the 3rd vapor film (37) is communicated with second pipe (29), and the 4th Oil Guide layer (38) is communicated with the 3rd pipe (17); Hold the first Oil Guide layer (32) and the second Oil Guide layer (34), second vapor film (35) to be respectively equipped with connecting tube with the 4th Oil Guide layer (38) with the 3rd vapor film (37), the 3rd Oil Guide layer (36) at the B of described steam generator (15);

8) described steam storage tank (18) is provided with steam inlet/outlet pipe for the slack tank of thermal insulation layer is arranged outward;

The Placement of each parts described in the circulation electric generating apparatus is as follows in described a kind of thermal radiation:

Solar pipe (5) is connected with the inlet/outlet pipe of the first heat conduction coil pipe (24-2) of energy storage tank (7) by two pipelines in the connecting box (4), on a pipeline recycle pump (8-1) and high-order expansion slot (6-1) is housed therein;

High-order expansion slot (6-2) is connected with energy storage tank (7) by pipeline;

The first heat conduction coil pipe (24-1) in the energy storage tank (7) links to each other by the import oil pipe of the 3rd interior heat conduction coil pipe (26-1) of outlet conduit and constant temperature oven (12) heating chamber; The first heat conduction coil pipe (24-1) in the energy storage tank (7) links to each other by the outlet oil pipe of the 4th interior heat conduction coil pipe (26-2) of inlet pipeline and constant temperature oven (12) heating chamber, at this pipeline second recycle pump (8-2) is housed;

Coagulating water expansion slot (10) links to each other with high-pressure plunger pump (13) inlet duct by pipeline, high-pressure plunger pump (13) outlet conduit (30) connects high pressure sprays fog equipment (14), high pressure sprays fog equipment (14) holds first vapor film (33) to link to each other with the B of steam generator (15) again, and the A of steam generator (15) holds the 3rd vapor film (37) to link to each other with steam storage tank (18) inlet duct by second pipeline (29); The outer pipe of constant temperature oven (12) the 3rd heat conduction coil pipe (26-1) holds the first heat conduction oil reservoir (32) to be connected by first pipeline (16) with the A of steam generator (15), the inlet tube of constant temperature oven (12) the 4th heat conduction coil pipe (26-2) holds the 4th deep fat layer (38) to be connected by the 3rd pipeline (17) with the A of steam generator (15), at the 3rd pipeline (17) recycle pump (8-3) and high-order expansion slot (6-3) is housed; High-order expansion slot (6-3) is connected with low level oil storage tank (25);

Steam storage tank (18) links to each other with steam turbine (19) by pipeline, steam turbine (19) links to each other with generator (20), connect a cyclic steam pipeline (21) on the steam turbine, cyclic steam pipeline (21) links to each other with an end of steam condensation water device (22), and the other end of steam condensation water device (22) links to each other with water expansion drum (10) with fixed attention by coagulating water pipe (23).

2. circulation electric generating apparatus in the thermal radiation according to claim 1, it is characterized in that: described steam generator (15) makes up for 2-1000 steam generator is in parallel.

3. circulation electric generating apparatus in the thermal radiation according to claim 1, it is characterized in that: described constant temperature oven (12) makes up for 2-100 constant temperature oven is in parallel.

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