CN211573703U

CN211573703U - Combined cooling, heating and power device of photo-thermal gas turbine

Info

Publication number: CN211573703U
Application number: CN202020248805.9U
Authority: CN
Inventors: 冯红翠; 张学超; 姚群
Original assignee: Huatian Engineering and Technology Corp MCC
Current assignee: Huatian Engineering and Technology Corp MCC
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-09-25
Anticipated expiration: 2030-03-04

Abstract

The utility model discloses a combined cooling heating and power device of light and heat gas turbine in coordination belongs to energy environmental protection technical field. The utility model discloses a light and heat system, one side of light and heat system is provided with exhaust-heat boiler, and exhaust-heat boiler's input is connected with gas turbine, and light and heat system is connected with exhaust-heat boiler's output and takes out the formula steam turbine that congeals, take out the output of the formula steam turbine that congeals and be connected with the generator, the output of taking out the formula steam turbine still parallelly connected be provided with take out steam device and two-way and take out steam device all the way, take out steam device's output all the way and be connected with refrigerating unit, the output of. The utility model discloses a with solar-thermal power generation and traditional power generation system's complementation, utilize gas turbine to realize the high-efficient environmental protection and energy saving of system, realize the supply of cold and hot electricity trigeminy, both realized the complementary effective utilization of light and heat, realized the rational utilization of terminal heat source again, reduced the waste of resource, be favorable to the popularization of solar-thermal power generation technique.

Description

Combined cooling, heating and power device of photo-thermal gas turbine

Technical Field

The utility model relates to an energy environmental protection technology field, more specifically say, relate to a combined cooling heating and power device of light and heat gas turbine in coordination.

Background

Solar energy resources are the most important energy sources of the earth, are novel renewable energy sources which are inexhaustible, clean and environment-friendly, and photo-thermal power generation is a mode of generating power by utilizing solar energy through a heat exchange device and combining a traditional steam turbine. However, solar energy can be used only in sunny days, the utilization time is limited, and photo-thermal power generation not only needs corresponding heat storage equipment to improve the utilization rate, but also needs to improve the heat efficiency by adopting a traditional steam turbine to generate power. The photo-thermal synergistic gas turbine device is applied to a combined cooling heating and power system, so that on one hand, the heat storage function of the photo-thermal system is improved, and meanwhile, the energy utilization efficiency of the system can also be improved, and the efficient, environment-friendly, energy-saving and optimal configuration of the system is realized.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to overcome prior art's is not enough, provides a light and heat is gas turbine's combined cooling heating and power device in coordination, the utility model discloses a with light and heat power generation and traditional power generation system's complementation, utilize gas turbine to realize the high-efficient environmental protection and energy saving of system, realize the supply of cold and heat electricity trigeminy, the system is not influenced by the photothermal system, and stability can improve, has both realized the complementary effective utilization of light and heat, has realized the rational utilization of terminal heat source again, has reduced the waste of resource, is favorable to the popularization of light and heat power generation technique.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a combined cooling, heating and power device of light and heat cooperation gas turbine, including the light and heat system, the input of light and heat system be connected with the moisturizing device, one side of light and heat system is provided with exhaust-heat boiler, exhaust-heat boiler's input is connected with gas turbine, gas turbine's input intercommunication has LNG natural gas air feeder, light and heat system and exhaust-heat boiler all derive main steam, light and heat system and exhaust-heat boiler's output are connected with the condensing steam turbine, the output of condensing steam turbine is connected with the generator, the output of condensing steam turbine still be provided with in parallel and draw steam device and two-way steam extraction device all the way, the output of one-way steam extraction device is connected with the refrigerating unit, the output of two-way steam extraction device is connected with hot water preparation station, hot water preparation station heat supply and produce condensation return water and heat medium return water, the condensation return, and the hot medium backwater is input into the gas turbine.

Furthermore, the photo-thermal system and the waste heat boiler are arranged in parallel at the input end of the extraction condensing turbine.

Furthermore, the gas turbine consists of a gas compressor, a combustion chamber and a turbine, wherein the input end of the gas compressor is communicated with the LNG natural gas supply device, the output end of the gas compressor is communicated with the combustion chamber, the turbine is fixedly installed inside the combustion chamber, and the output end of the combustion chamber is communicated with the waste heat boiler.

Furthermore, the photo-thermal system consists of a heat collection system and a heat storage system.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model discloses a with solar-thermal power generation and traditional power generation system's complementation, utilize gas turbine to realize the high-efficient environmental protection and energy saving of system, realize the supply of cold and hot electricity trigeminy, exhaust-heat boiler and light and heat system are each other supplementary, make the system not influenced by the light and heat system, and stability can improve, both realized the complementary effective utilization of light and heat, realized the rational utilization of terminal heat source again, reduced the waste of resource, be favorable to the popularization of light and heat power generation technique.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a view showing a structure of a gas turbine according to the present invention.

In the figure: 1. a photothermal system; 2. a gas turbine; 21. a compressor; 22. a combustion chamber; 23. a turbine; 3. a waste heat boiler; 4. primary steam; 5. a condensing turbine; 6. a generator; 7. one path of steam extraction device; 8. two-way steam extraction device; 9. a refrigeration unit; 10. a hot water preparation station; 11. condensing the backwater; 12. returning the heating medium; 13. an LNG natural gas supply device; 14. and a water replenishing device.

Detailed Description

The invention is further described with reference to the following figures and examples:

example 1

As can be seen from fig. 1-2, the combined cooling, heating and power device of the photo-thermal synergistic gas turbine of the embodiment includes a photo-thermal system 1, an input end of the photo-thermal system 1 is connected with a water replenishing device 14, one side of the photo-thermal system 1 is provided with a waste heat boiler 3, an input end of the waste heat boiler 3 is connected with a gas turbine 2, an input end of the gas turbine 2 is communicated with an LNG natural gas supply device 13, the gas turbine 2 is composed of a compressor 21, a combustion chamber 22 and a turbine 23, an input end of the compressor 21 is communicated with the LNG natural gas supply device 13, an output end of the compressor 21 is communicated with the combustion chamber 22, the turbine 23 is fixedly installed inside the combustion chamber 22, an output end of the combustion chamber 22 is communicated with the waste heat boiler 3, the photo-thermal system 1 and the waste heat boiler 3 both derive main steam 4, an output end of the, the output end of the extraction condensing turbine 5 is also provided with a first steam extraction device 7 and a second steam extraction device 8 in parallel, the output end of the first steam extraction device 7 is connected with a refrigerating unit 9, the refrigerating unit 9 can be a lithium bromide unit, a ground source heat pump system and other unit forms, the output end of the second steam extraction device 8 is connected with a hot water preparation station 10, the hot water preparation station 10 supplies heat and generates condensed water 11 and heat medium backwater 12, the condensed water 11 is input into the waste heat boiler 3, and the heat medium backwater 12 is input into the gas turbine 2.

The photo-thermal system 1 is composed of a heat collecting system and a heat storage system, wherein the heat collecting system is a system for collecting solar energy and takes the forms of a groove type heat collecting device, a tower type heat collecting device and the like, and the heat storage system is a solar energy system for storing and collecting solar energy and comprises a single-tank device, a double-tank device and a multi-tank device.

The photothermal system 1 and the exhaust-heat boiler 3 are arranged in parallel at the input end of the extraction condensing turbine 5, the functions of the solar heat storage device and the efficient and clean characteristics of the gas turbine 2 are fully utilized, cold, heat and electric energy are produced simultaneously, partial power supply is provided for users, the production and living steam is improved, and the energy required by air conditioning equipment is provided.

Flue gas generated by the gas turbine 2 is input into the waste heat boiler 3 and generates main steam 4 which enters the extraction condensing turbine 5, the main steam 4 generated by the photothermal system 1 also enters the extraction condensing turbine 5, the extraction condensing turbine 5 drives the generator 6 to generate power and do work, one part of the main steam enters the power grid of the transformer substation, the other part of the main steam enters the refrigerating unit 9 for refrigeration, the other part of the main steam enters the hot water preparation station 10 to directly generate hot water for life production to be sent to a user end, condensed backwater 11 generated by the hot water preparation station 10 flows to the waste heat boiler 3 to be used as boiler make-up water for recycling, thereby completing a whole set of circulation, recycling the condensed backwater 11 by the system, reducing the investment and space of the condensed backwater 11 system, ensuring that the load change of a user end of the system is basically consistent with the load change of the photo-thermal absorption solar energy, the investment of heat storage equipment can be reduced or saved, and the photo-thermal system 1 is used as a supplementary heat source, so that the heat efficiency of the system is greatly improved.

The utility model discloses a with solar-thermal power generation and traditional power generation system's complementation, utilize gas turbine 2 to realize the high-efficient environmental protection and energy saving of system, realize the supply of cold and hot electricity trigeminy, exhaust-heat boiler 3 and light and heat system 1 each other are supplementary, make the system not influenced by light and heat system 1, and stability can improve, both realized the complementary effective utilization of light and heat, realized the rational utilization of terminal heat source again, reduced the waste of resource, be favorable to the popularization of light and heat power generation technique.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a combined cooling heating and power device of gas turbine is collaborated in light and heat, includes light and heat system (1), its characterized in that: the input end of the photo-thermal system (1) is connected with a water supplementing device (14), one side of the photo-thermal system (1) is provided with a waste heat boiler (3), the input end of the waste heat boiler (3) is connected with a gas turbine (2), the input end of the gas turbine (2) is communicated with an LNG natural gas supply device (13), main steam (4) is led out of the photo-thermal system (1) and the waste heat boiler (3), the output ends of the photo-thermal system (1) and the waste heat boiler (3) are connected with an extraction condensing turbine (5), the output end of the extraction condensing turbine (5) is connected with a generator (6), the output end of the extraction condensing turbine (5) is also provided with one path of steam extraction device (7) and two paths of steam extraction devices (8) in parallel, the output end of the one path of steam extraction device (7) is connected with a refrigerating unit (9), and the output end, the hot water preparation station (10) supplies heat and generates condensed water (11) and heating medium return water (12), the condensed water (11) is input into the waste heat boiler (3), and the heating medium return water (12) is input into the gas turbine (2).

2. The combined cooling, heating and power device of a photothermal synergistic gas turbine as claimed in claim 1, wherein: the photothermal system (1) and the waste heat boiler (3) are arranged in parallel at the input end of the extraction condensing turbine (5).

3. The combined cooling, heating and power device of a photothermal synergistic gas turbine as claimed in claim 1, wherein: the gas turbine (2) consists of a gas compressor (21), a combustion chamber (22) and a turbine (23), wherein the input end of the gas compressor (21) is communicated with an LNG natural gas supply device (13), the output end of the gas compressor (21) is communicated with the combustion chamber (22), the turbine (23) is fixedly installed inside the combustion chamber (22), and the output end of the combustion chamber (22) is communicated with the waste heat boiler (3).

4. The combined cooling, heating and power device of a photothermal synergistic gas turbine as claimed in claim 1, wherein: the photo-thermal system (1) is composed of a heat collecting system and a heat storage system.