CN215637072U - Supercritical gas power generation device - Google Patents
Supercritical gas power generation device Download PDFInfo
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- CN215637072U CN215637072U CN202121939499.4U CN202121939499U CN215637072U CN 215637072 U CN215637072 U CN 215637072U CN 202121939499 U CN202121939499 U CN 202121939499U CN 215637072 U CN215637072 U CN 215637072U
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Abstract
The utility model provides a supercritical gas power generation device, which belongs to the technical field of power generation equipment and comprises heat collecting pipes, wherein gas spiral coil pipes are wound on the circumferential inner wall and the circumferential surface of each heat collecting pipe, the initial ends and the tail ends of the two gas spiral coil pipes are respectively connected with a gas outlet pipe and a gas inlet pipe, the left side wall and the right side wall of each heat collecting pipe are respectively connected with a condenser pipe through a plurality of heat conducting rods, the condenser pipes are arranged in the heat collecting pipes, the right ends of the condenser pipes are sequentially connected with an arc pipe, a conical pipe and a steam pipe, the condenser pipes are connected with a turbine through the steam pipes, the power output end of the turbine is connected with a power generator, the turbine is connected with a condensed water circulating mechanism, the whole device is reasonable in structural arrangement, ingenious in concept and flexible in use, the supercritical gas power generation device is not only limited to the use of various high-temperature residual hot gases, and the heat conversion efficiency in the whole device is high, the heat loss is greatly avoided, and the practicability is strong.
Description
Technical Field
The utility model belongs to the technical field of power generation equipment, and particularly relates to a supercritical gas power generation device.
Background
A large amount of low-heating value gas, such as blast furnace gas and the like, can be discharged in the smelting process of a steel mill, and the blast furnace gas mainly comprises N2, CO2 and the like, wherein the CO is about 25 vol.%, the N2 is about 55 vol.%, and the CO2 is about 20%. The heat value of blast furnace gas is low, the ignition temperature is about 550-650 ℃, and the theoretical combustion temperature is about 1300 ℃. Because the blast furnace gas has low heat value, the blast furnace gas is often directly diffused in enterprises, and a great deal of waste heat resources are caused. In recent years, due to the increase of the operation cost and the environmental pressure of steel plants, the gas power generation technology is rapidly developed and applied in China.
At present, a large amount of waste heat of supercritical high-temperature coal gas in a plurality of production industries is not recycled and utilized, so that the problems of large processing energy consumption and relatively high production cost are caused, and therefore, a supercritical coal gas power generation device is designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a supercritical gas power generation device, and aims to solve the problems that in the prior art, the processing energy consumption is large, the production cost is relatively high and the like caused by the fact that the waste heat of a large amount of supercritical high-temperature gas in a production industry is not recycled and utilized.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a supercritical gas power generation device includes the thermal-collecting tube, the circumference inner wall and the circumference surface of thermal-collecting tube all coil the coal gas spiral coil, two the beginning end of coal gas spiral coil all is connected with coal gas exit tube and coal gas and advances the pipe, all be connected with the condenser pipe through a plurality of heat conduction poles on the wall of the left and right sides of thermal-collecting tube, and the condenser pipe sets up in the thermal-collecting tube, the right-hand member of condenser pipe has connected gradually arc tube, conical tube and steam pipe, the one end of steam pipe is connected with the turbine, be connected with the generator on the power take off of turbine, be connected with the comdenstion water circulation mechanism on the turbine, the circumference of thermal-collecting tube overlaps on the surface and is equipped with thermal-insulated mechanism.
Preferably, the condensed water circulation mechanism comprises a water tank, the water tank is arranged on the left side of the heat collecting pipe and is communicated with the turbine through a water return pipe, a water pump is arranged on the water tank and is communicated with the condensing pipe through a connecting pipe.
Preferably, the heat insulation mechanism comprises an outer sleeve, the outer sleeve is sleeved on the coal gas spiral coil positioned on the outer side, heat transfer fins are arranged on the inner wall of the circumference of the outer sleeve, and heat conduction fins are fixed at the left end and the right end of the outer sleeve.
Preferably, the heat transfer fins in the outer sleeve are connected with two heat conduction fins, and both of the heat conduction fins are in contact with the circumferential surface of the condensation pipe.
Preferably, the two gas outlet pipes and the two gas inlet pipes are respectively communicated with an external gas pipeline.
Preferably, the tapered tube is provided with an upward draft taper.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the scheme, the whole device is reasonable in structure, ingenious in conception and flexible in use, is not only limited to supercritical gas for power generation, can be adapted to the use of various high-temperature waste heat gases, has high heat conversion efficiency in the whole device, greatly avoids heat loss, has strong practicability, and effectively solves the problems of large processing energy consumption, relatively high production cost and the like caused by the fact that the waste heat of a large amount of supercritical high-temperature gas is not recycled and utilized in a plurality of production industries in the prior art. The water in the condensation pipe is evaporated into steam, the high-temperature steam reaches the turbine through the arc-shaped pipe, the conical pipe and the steam pipe, the turbine can convert heat energy into mechanical energy and convert the mechanical energy into electric energy through the connected generator to generate electricity, the energy loss in the whole conversion process is less, the conversion efficiency is high, and the energy waste is avoided;
2. in the scheme, a condensed water circulating mechanism is connected on the turbine and can condense steam into water after the conversion of high-temperature steam in the turbine is finished and return the water into a water tank through a return water pipe, then the water in the water tank is continuously output into a condensation pipe through a water pump and a connecting pipe connected with the water pump to finish the recycling of the water, the outer sleeve of the heat insulation mechanism can also effectively reduce the loss of the heat of the high-temperature coal gas in the two coal gas spiral coils and continuously transfer the heat to the inner wall of the condensation pipe through the two heat conducting sheets to further improve the heat conversion efficiency, the heat transfer sheets in the outer sleeve are connected with the two heat conducting sheets, so that the heat transfer sheets in the outer sleeve can transfer the heat to the two heat conducting sheets through the heat transfer sheets after absorbing the heat of the high-temperature coal gas in the peripheral coal gas spiral coils, the two coal gas outlet pipes and the coal gas inlet pipe are respectively communicated with the external coal gas pipeline to ensure the presetting that the whole device is connected with the external pipeline, the taper of the taper pipe provided with the upward drawing die can concentrate the concentration degree of high-temperature steam transmitted to the turbine, and further reduces the loss of heat.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial perspective view of the present invention;
FIG. 3 is a top view of the present invention;
fig. 4 is a partial cross-sectional view taken at a-a of fig. 3 in accordance with the present invention.
In the figure: 1. a heat collecting pipe; 2. a gas spiral coil pipe; 3. a gas outlet pipe; 4. a gas inlet pipe; 5. a heat conducting rod; 6. a condenser tube; 7. an arc tube; 8. a tapered tube; 9. a steam pipe; 10. a turbine; 11. a generator; 12. a water return pipe; 13. a water tank; 14. a water pump; 15. a connecting pipe; 16. an outer sleeve; 17. a heat conductive sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a supercritical gas power generation facility includes thermal-collecting tube 1, the circumference inner wall and the circumference surface of thermal-collecting tube 1 all coil gas spiral coil 2, two gas spiral coil 2 begin the end and all be connected with gas outlet tube 3 and gas and advance pipe 4, all be connected with condenser pipe 6 through a plurality of heat conduction poles 5 on the left and right sides wall of thermal-collecting tube 1, and condenser pipe 6 sets up in thermal-collecting tube 1, the right-hand member of condenser pipe 6 has connected gradually arc 7, conical duct 8 and steam pipe 9, condenser pipe 6 is connected with turbine 10 through steam pipe 9, be connected with generator 11 on the power take off of turbine 10, be connected with the comdenstion water circulation mechanism on turbine 10, the cover is equipped with thermal-insulated mechanism on the circumference surface of thermal-collecting tube 1.
In the specific embodiment of the utility model, the whole device has reasonable structure, ingenious conception and flexible use, is not only limited to supercritical gas for power generation, can be adapted to the use of various high-temperature waste heat gases, has high heat conversion efficiency in the whole device, greatly avoids heat loss and has strong practicability, and effectively solves the problems of large processing energy consumption, relatively high production cost and the like caused by the fact that the waste heat of a large amount of supercritical high-temperature gas is not recycled and utilized in a plurality of production industries in the prior art. Make the interior water evaporation of condenser pipe 6 become steam, high temperature steam passes through arc 7, conical tube 8 and steam pipe 9 and reachs in the turbine 10, and turbine 10 can be mechanical energy with heat energy conversion and carry out mechanical energy conversion for the electric energy through the generator 11 that is connected and generate electricity, and whole conversion process energy loss is few, and conversion efficiency is high, has avoided the waste of the energy.
Specifically, the condensate water circulation mechanism includes a water tank 13, the water tank 13 is arranged on the left side of the heat collecting pipe 1, the water tank 13 is communicated with the turbine 10 through a water return pipe 12, a water pump 14 is arranged on the water tank 13, and the water pump 14 is communicated with the condensation pipe 6 through a connecting pipe 15.
In this embodiment: the turbine 10 is connected with a condensed water circulating mechanism which can condense steam into water after the conversion of high-temperature steam in the turbine 10 is completed and return the water to the water tank 13 through the water return pipe 12, and then the water in the water tank 13 is continuously output to the condenser pipe 6 through the water pump 14 and the connecting pipe 15 which is connected with the water pump, so that the water is recycled.
Specifically, the heat insulation mechanism comprises an outer sleeve 16, the outer sleeve 16 is sleeved on the coal gas spiral coil 2 positioned on the outer side, heat transfer fins are arranged on the circumferential inner wall of the outer sleeve 16, and heat conduction fins 17 are fixed at the left end and the right end of the outer sleeve 16.
In this embodiment: the arrangement of the outer sleeve 16 of the heat insulation mechanism can also effectively reduce the loss of high-temperature gas heat in the two gas spiral coils 2, and the heat is continuously transferred to the inner wall of the condensation pipe 6 through the two heat conducting fins 17, so that the heat conversion efficiency is further improved.
Specifically, the heat transfer fins in the outer sleeve 16 are connected to two heat conduction fins 17, and both the heat conduction fins 17 are in contact with the circumferential surface of the condensation duct 6.
In this embodiment: the heat transfer fins in the outer sleeve 16 are connected with the two heat conduction fins 17, so that the heat transfer fins in the outer sleeve 16 absorb the heat of high-temperature gas in the peripheral gas spiral coil 2, then the heat is transmitted to the two heat conduction fins 17 through the heat transfer fins, and the heat is conducted to the contact condenser pipe 6 through the two heat conduction fins 17.
Specifically, the two gas outlet pipes 3 and the gas inlet pipe 4 are respectively communicated with an external gas pipeline.
In this embodiment: the two gas outlet pipes 3 and the gas inlet pipe 4 are respectively communicated with an external gas pipeline, so that the whole device can be connected with the external pipeline.
Specifically, the tapered tube 8 is provided with a taper that is drawn upward.
In this embodiment: the taper of the conical pipe 8 with the upward drawing die can concentrate the concentration of high-temperature steam transmitted into the turbine 10, and further reduces the loss of heat.
The working principle and the using process of the utility model are as follows: when the utility model is used, firstly, two gas inlet pipes 4 are connected with an external supercritical high-temperature gas connecting pipe, then two gas outlet pipes 3 are communicated with the external gas connecting pipe, the high-temperature gas transmits heat to a heat collecting pipe 1 and a condensing pipe 6 through two gas spiral coils 2, the heat on the heat collecting pipe 1 is transmitted to the surface of the condensing pipe 6 through a plurality of condensing pipes 6, so that water in the condensing pipe 6 is evaporated into steam, the high-temperature steam reaches a turbine 10 through an arc-shaped pipe 7, a conical pipe 8 and a steam pipe 9, the turbine 10 can convert the heat energy into mechanical energy and convert the mechanical energy into electric energy through a connected generator 11 for generating electricity, the energy loss in the whole conversion process is less, the conversion efficiency is high, the energy waste is avoided, a condensate water circulating mechanism connected on the turbine 10 can condense the steam into water after the conversion in the turbine 10 through the high-temperature steam and then flow back to a water tank 13 through a water return pipe 12, then the water in the water tank 13 is continuously output to the condenser pipe 6 through the water pump 14 and the connecting pipe 15 connected with the water pump, the recycling of the water is completed, the arrangement of the outer sleeve 16 of the heat insulation mechanism can also effectively reduce the loss of the heat of the high-temperature coal gas in the two coal gas spiral coils 2, and the heat is continuously transferred to the inner wall of the condenser pipe 6 through the two heat-conducting sheets 17, so that the heat conversion efficiency is further improved, the heat-conducting sheets in the outer sleeve 16 are connected with the two heat-conducting sheets 17, so that the heat-conducting sheets in the outer sleeve 16 absorb the heat of the high-temperature coal gas in the peripheral coal gas spiral coils 2, then the heat is transferred to the two heat-conducting sheets 17 through the two heat-conducting sheets 17, the heat is transferred to the condenser pipe 6 contacted with the two coal gas outlet pipes 3 and the coal gas inlet pipe 4 are respectively communicated with the external coal gas pipeline, so that the whole device can be connected with the external pipeline for presetting, the taper of the tapered pipe 8 is provided with an upward drawing die, so that the concentration degree of the high-temperature steam transferred into the turbine 10 can be concentrated, further reduced thermal loss, whole device structure sets up rationally, think about ingeniously, it is nimble to use, not only confine supercritical coal gas to generate electricity, but the adaptation is in the use of the surplus hot gas of multiple high temperature, and heat conversion efficiency in the whole device is high, very big avoiding thermal loss, therefore, the clothes hanger is strong in practicability, effectively solve among the prior art in a large number of production industries the waste heat of a large amount of supercritical high temperature coal gas not by recovery and utilization, cause the processing energy consumption big, manufacturing cost higher problem scheduling problem relatively.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A supercritical coal gas power generation device is characterized in that: comprises heat collecting pipes (1), wherein the circumferential inner wall and the circumferential surface of each heat collecting pipe (1) are respectively coiled with a coal gas spiral coil (2), the starting ends and the tail ends of the two coal gas spiral coils (2) are respectively connected with a coal gas outlet pipe (3) and a coal gas inlet pipe (4), the left side wall and the right side wall of the heat collecting pipe (1) are connected with a condensing pipe (6) through a plurality of heat conducting rods (5), and the condensation pipe (6) is arranged in the heat collecting pipe (1), the right end of the condensation pipe (6) is sequentially connected with an arc-shaped pipe (7), a conical pipe (8) and a steam pipe (9), one end of the steam pipe (9) is connected with a turbine (10), the power output end of the turbine (10) is connected with a generator (11), the turbine (10) is connected with a condensed water circulating mechanism, and the circumferential surface of the heat collecting pipe (1) is sleeved with a heat insulating mechanism.
2. The supercritical gas power plant according to claim 1, characterized in that: the condensed water circulating mechanism comprises a water tank (13), the water tank (13) is arranged on the left side of the heat collecting pipe (1), the water tank (13) is communicated with the turbine (10) through a water return pipe (12), a water pump (14) is arranged on the water tank (13), and the water pump (14) is communicated with the condensing pipe (6) through a connecting pipe (15).
3. The supercritical gas power plant according to claim 2, characterized in that: the heat insulation mechanism comprises an outer sleeve (16), the outer sleeve (16) is sleeved on the coal gas spiral coil (2) located on the outer side, heat transfer sheets are arranged on the inner wall of the circumference of the outer sleeve (16), and heat conduction sheets (17) are fixed at the left end and the right end of the outer sleeve (16).
4. The supercritical gas power plant according to claim 3, characterized in that: the heat transfer fins in the outer sleeve (16) are connected with two heat conduction fins (17), and the two heat conduction fins (17) are both contacted with the circumferential surface of the condensation pipe (6).
5. The supercritical gas power plant according to claim 4, characterized in that: the two gas outlet pipes (3) and the gas inlet pipe (4) are respectively communicated with an external gas pipeline.
6. The supercritical gas power plant according to claim 5, characterized in that: the conical tube (8) is provided with a taper of an upward drawing die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121939499.4U CN215637072U (en) | 2021-08-18 | 2021-08-18 | Supercritical gas power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121939499.4U CN215637072U (en) | 2021-08-18 | 2021-08-18 | Supercritical gas power generation device |
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| Publication Number | Publication Date |
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| CN215637072U true CN215637072U (en) | 2022-01-25 |
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| CN202121939499.4U Active CN215637072U (en) | 2021-08-18 | 2021-08-18 | Supercritical gas power generation device |
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- 2021-08-18 CN CN202121939499.4U patent/CN215637072U/en active Active
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