Megawatt hydrogen fuel cell power generation system structure

Abstract

The utility model relates to the technical field of hydrogen fuel cell power generation, in particular to a megawatt hydrogen fuel cell power generation system structure. Comprising a container, a hydrogen fuel battery pack module cabin and an electrical cabin, an explosion-proof wall is arranged in the middle in the container, the hydrogen fuel battery pack module cabin is arranged on one side of the explosion-proof wall, a cooling system is arranged on the top of the hydrogen fuel battery pack module cabin, and an energy recovery system is arranged on the side, close to the explosion-proof wall, of the bottom of the hydrogen fuel battery pack module cabin. A hydrogen fuel battery pack module is placed in the hydrogen fuel battery pack module cabin, the hydrogen fuel battery pack module is of a drawer type structure, hydrogen fuel batteries can be placed in the drawer, an electrical cabin is arranged on the other side of the explosion-proof wall, a fire control system is arranged in the electrical cabin, and a hydrogen fuel supply system is arranged on the outer side of the container. And the hydrogen fuel supply system is communicated with the hydrogen fuel battery pack module cabin. The power of the power generation device is improved through structural optimization and control, the power generation efficiency of the whole power generation device is improved through the energy recovery system, and zero emission and zero pollution are achieved.

Description

TECHNICAL FIELD

[0001] The utility model discloses hydrogen fuel cell power generation technical field, specifically a kind of megawatt hydrogen fuel cell power generation system structure. BACKGROUND

[0002] Hydrogen energy is recognized as clean energy, and is praised as the second energy with the most development prospects in the 21st century. It helps to solve energy crisis, global warming and environmental pollution. Hydrogen has the characteristics of wide source, zero pollution, convenient storage and transportation, high utilization rate, rapid replenishment and direct conversion of chemical energy into electrical energy through fuel cell technology (hydrogen fuel cell is essentially a power generation device. Hydrogen and oxygen are converted into electricity and water through electrochemical reaction).

[0003] The hydrogen fuel cell container is a device for providing electrical energy to end users using hydrogen fuel cells. It uses hydrogen as raw material and converts the chemical energy in hydrogen into electrical energy using hydrogen fuel cells. The electrical energy is transmitted to the end users through power distribution facilities, etc. It has the characteristics of high efficiency and cleanliness. The existing hydrogen fuel cell container technology is relatively single, lacks specificity for different application scenarios and users, and has low integration, poor endurance and poor stability. INVENTION CONTENTS

[0004] To solve the problems raised in the background art, the purpose of the present utility model is to provide a megawatt hydrogen fuel cell power generation system structure, which comprises a container, a hydrogen fuel cell module cabin and an electrical cabin. An explosion-proof wall is provided in the middle of the container. The hydrogen fuel cell module cabin is provided on one side of the explosion-proof wall. The hydrogen fuel cell module cabin is provided with a cooling system at the top. An energy recovery system is provided at the bottom of the hydrogen fuel cell module cabin near the explosion-proof wall. The hydrogen fuel cell module cabin is placed in the hydrogen fuel cell module cabin. The structure of the hydrogen fuel cell module is drawer type. The drawer can hold hydrogen fuel cells. The other side of the explosion-proof wall is provided with an electrical cabin. A fire control system is provided in the electrical cabin. A hydrogen fuel supply system is provided on the outside of the container. The hydrogen fuel supply system is connected to the hydrogen fuel cell module cabin.

[0005] The bottom of the hydrogen fuel cell module cabin is provided with louvers, and the side is provided with an air filter.

[0006] The cooling system is provided with a main cooling system and an auxiliary cooling system, which are both water-cooled cooling systems.

[0007] The electrical cabin is provided with a high-low voltage electrical system, which is provided with a low-voltage power distribution cabinet, a high-voltage power supply cabinet and a converter cabinet.

[0008] The fire control system is provided with a fire control cabinet and a heptafluoropropane fire extinguishing system.

[0009] The fire control cabinet is internally provided with a smoke sensor, a temperature sensor and a hydrogen concentration sensor, the smoke sensor and the temperature sensor are installed on the top of the container, and the hydrogen concentration sensor is installed on the top of the hydrogen fuel cell module cabin.

[0010] The heptafluoropropane extinguishing system is internally provided with a heptafluoropropane cabinet and a spraying device, the heptafluoropropane cabinet is internally provided with a heptafluoropropane driving gas bottle group, and the heptafluoropropane driving gas bottle group is connected with the spraying device.

[0011] Compared with the prior art, the utility model discloses more convenient maintenance replacement, real -time monitoring system work and the environmental safety situation in system, adopt explosion -proof component simultaneously electrical spare, fully guarantee the safety of system operation, realize the power promotion of power generation device through structural optimization and control, improve the power generation efficiency of entire power generation device through energy recovery system, realized zero emission, zero pollution. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the front view structural schematic drawing of the utility model;

[0013] Fig. 2 It is the plan view structural schematic drawing of the utility model;

[0014] Fig. 3 It is the rear view structural schematic drawing of the utility model;

[0015] Referring to Figs. 1-3 , 1, container;2, explosion -proof wall;3, hydrogen fuel cell module cabin;4, electrical cabin;5, hydrogen fuel cell module;6, fire control cabinet;7, heptafluoropropane cabinet;8, low -voltage distribution cabinet;9, high -voltage power supply cabinet;10, converter cabinet;11, cooling system;12, energy recovery system. DETAILED DESCRIPTION

[0016] The utility model will be further explained according to the drawings.

[0017] As Figs. 1-3The application discloses a megawatt hydrogen fuel cell power generation system structure, which comprises a container 1, a hydrogen fuel cell group module cabin 3 and an electrical cabin 4, wherein an explosion-proof wall 2 is arranged in the middle of the container 1, the hydrogen fuel cell group module cabin 3 is arranged on one side of the explosion-proof wall 2, a cooling system 11 is arranged on the top of the hydrogen fuel cell group module cabin 3, an energy recovery system 12 is arranged on the bottom of the hydrogen fuel cell group module cabin 3 close to the side of the explosion-proof wall 2, a hydrogen fuel cell group module 5 is arranged in the hydrogen fuel cell group module cabin 3, the hydrogen fuel cell group module 5 is in a drawer type, hydrogen fuel cells can be arranged in the drawer, and the hydrogen fuel cells are convenient to maintain and replace, the other side of the explosion-proof wall 2 is provided with the electrical cabin 4, a fire control system is arranged in the electrical cabin 4, a hydrogen fuel supply system is arranged on the outside of the container 1, the hydrogen fuel supply system is communicated with the hydrogen fuel cell group module cabin 3, hydrogen is input into the hydrogen fuel cell group module 5 through the hydrogen fuel supply system and one-stage pressure reduction and two-stage pressure reduction.

[0018] A louver is arranged on the bottom of the hydrogen fuel cell group module 5 cabin, and an air filter is arranged on the side of the hydrogen fuel cell group module 5 cabin.

[0019] The cooling system 11 is provided with a main cooling system and an auxiliary cooling system, both of which are water cooling systems, and are used for heat dissipation of the hydrogen fuel cell group module 5, an air compressor and a converter.

[0020] The electrical cabin 4 is further provided with a high-low voltage electrical system, the high-low voltage electrical system is provided with a low-voltage power distribution cabinet 8, a high-voltage power supply cabinet 9 and a converter cabinet 10, high-voltage lines of the high-voltage power supply cabinet 9 are led into the electrical cabin 4 through the bottom layer of the container 1, the high-voltage electrical system is used for converting electric energy generated by the hydrogen fuel cell into electric energy required on site and outputting the electric energy to the low-voltage power distribution cabinet 8, and the low-voltage power distribution cabinet 8 is used for supplying power to low-voltage electrical equipment in the container 1.

[0021] The energy recovery system 12 is provided with an expander and an expander controller, and the expander can generate 35kw of electric energy per hour through tail gas recovery.

[0022] The fire control system is provided with a fire control cabinet 6 and a heptafluoro-propane fire extinguishing system.

[0023] The smoke sensor and the temperature sensor are arranged on the top of the container 1, and the hydrogen concentration sensor is arranged on the top of the hydrogen fuel cell group module cabin 3.

[0024] The heptafluoro-propane fire extinguishing system is provided with a heptafluoro-propane cabinet 7 and a spraying device, the heptafluoro-propane cabinet 7 is provided with a heptafluoro-propane driving gas bottle group, and the heptafluoro-propane driving gas bottle group is connected with the spraying device.

[0025] The fire control system is connected with a smoke sensor, a temperature sensor and a hydrogen concentration sensor, and automatically detects and alarms, and sends an alarm signal; meanwhile, the fire control system is connected with a heptafluoro-propane fire extinguishing system, and when a fire occurs, after a delay of 0-30s, the fire control system sends a fire extinguishing instruction to an electromagnetic valve of a heptafluoro-propane driving gas cylinder group, the electromagnetic valve opens a container valve, and heptafluoro-propane is released, and the heptafluoro-propane gas in the gas cylinder is sprayed from a nozzle of a spraying device to the fire area for fire extinguishing operation.

[0026] The utility model discloses a hydrogen fuel cell module, hydrogen fuel supply system, high and low voltage electrical system are located in independent cabin respectively, realized hydrogen electricity separation, fire control system guarantees the safety of power generation device and the safety protection of electric pile self protection, real time monitoring system work and system internal environment safety situation, simultaneously, electrical spare adopts explosion -proof component, fully guarantees the safety of system operation, as a whole adopts modularization and is formed group and self -starting circulation control technology, realizes the power promotion of power generation device through structural optimization and control, simultaneously, through energy recovery system, improves the power generation efficiency of entire power generation device.

Claims

1. A structure of a megawatt hydrogen fuel cell power generation system, comprising a container (1), a hydrogen fuel cell stack module cabin (3), and an electrical cabin (4), characterized in that: The container (1) is internally provided with an explosion-proof wall (2), one side of the explosion-proof wall (2) is provided with a hydrogen fuel cell module cabin (3), the top of the hydrogen fuel cell module cabin (3) is provided with a cooling system (11), the bottom of the hydrogen fuel cell module cabin (3) is provided with an energy recovery system (12) near the side of the explosion-proof wall (2), the hydrogen fuel cell module cabin (3) is internally provided with a hydrogen fuel cell module (5), the hydrogen fuel cell module (5) is in a drawer type structure, hydrogen fuel cells can be placed in the drawer, the other side of the explosion-proof wall (2) is provided with an electrical cabin (4), the electrical cabin (4) is internally provided with a fire control system, the outside of the container (1) is provided with a hydrogen fuel supply system, the hydrogen fuel supply system is communicated with the hydrogen fuel cell module cabin (3).

2. A megawatt hydrogen fuel cell power system structure according to claim 1, characterized in that: The hydrogen fuel cell module cabin (3) is provided with a louver at the bottom and is provided with an air filter at the side.

3. The structure of a megawatt hydrogen fuel cell power generation system according to claim 1, wherein: The cooling system (11) is internally provided with a main cooling system and an auxiliary cooling system, both of which are water cooling systems.

4. The structure of a megawatt hydrogen fuel cell power generation system according to claim 1, wherein: The electrical cabin (4) is internally provided with a high-low voltage electrical system, the high-low voltage electrical system is internally provided with a low-voltage power distribution cabinet (8), a high-voltage power supply cabinet (9) and a converter cabinet (10).

5. The structure of a megawatt hydrogen fuel cell power generation system according to claim 1, wherein: The fire control system is internally provided with a fire control cabinet (6) and a heptafluoro-propane fire extinguishing system.

6. A megawatt hydrogen fuel cell power system structure according to claim 5, wherein: The fire control cabinet (6) is internally provided with a smoke sensor, a temperature sensor and a hydrogen concentration sensor, the smoke sensor and the temperature sensor are installed on the top of the container (1), and the hydrogen concentration sensor is installed on the top of the hydrogen fuel cell module cabin (3).

7. A megawatt hydrogen fuel cell power system structure according to claim 5, wherein: The heptafluoro-propane fire extinguishing system is internally provided with a heptafluoro-propane cabinet (7) and a spraying device, the heptafluoro-propane cabinet (7) is internally provided with a heptafluoro-propane driving gas bottle group, and the heptafluoro-propane driving gas bottle group is connected with the spraying device.

Images