CN217273516U

CN217273516U - Full-automatic hydrogen replacement device of generating set

Info

Publication number: CN217273516U
Application number: CN202220666209.1U
Authority: CN
Inventors: 向昀龙; 朱明�; 黄斌; 廖小军; 宗涛; 蒋友伟; 曾庭; 张马将; 肖阮瑀
Original assignee: Hubei Energy Group Xiangyang Yicheng Power Generation Co Ltd
Current assignee: Hubei Energy Group Xiangyang Yicheng Power Generation Co Ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-08-23
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses a full-automatic hydrogen replacement device of generating set, including decompression jar and control terminal, the right-hand member of decompression jar replaces the interface intercommunication through first pipeline and generator, and conveying pipeline and connection calandria intercommunication are passed through in the left side of decompression jar, a plurality of connecting branch pipes are installed in the left side of connecting the calandria. This full-automatic hydrogen replacement device of generating set, through set up a decompression jar between generator replacement interface and carbon dioxide gas cylinder, after the inside liquid carbon dioxide heating decompression of carbon dioxide gas cylinder, form gaseous carbon dioxide, and the inside of generator is advanced in the transport of continuation, make its inside air escape, after its inside carbon dioxide concentration is greater than 85%, can pour into hydrogen into, thereby avoid hydrogen and air to react, but utilize simultaneously to connect the calandria once only and connect a plurality of carbon dioxide gas cylinders, break-make through the connection of control terminal and solenoid valve control pipeline, can realize accurate digital control, avoid artifical maloperation.

Description

Full-automatic hydrogen replacement device of generating set

Technical Field

The utility model relates to a hydrogen replacement technical field specifically is a full-automatic hydrogen replacement device of generating set.

Background

When the generator is operated, energy loss is generated, and loss exists in a mode that active power is converted into heat. If the heat is not dissipated, the temperature of the generator is increased, and insulating substances deteriorate and age, so that the normal operation of the unit is threatened. Therefore, an additional cooling system is required to remove the heat generated by the loss in the generator, and modern large units basically use hydrogen as a cooling medium.

In order to prevent hydrogen explosion, when the generator is operated under a load of hydrogen gas from an air state or hydrogen gas discharged from a hydrogen state to an air state and under a rated cooling condition, it is necessary to avoid contact between the hydrogen gas and the air, and replacement by an intermediate medium is performed. The intermediate medium is generally an inert gas such as carbon dioxide or nitrogen.

At present, the process of replacing hydrogen with carbon dioxide is basically completed manually. There are the following problems: 1. the carbon dioxide steel cylinder needs to be replaced frequently; 2. the manual operation of the switch valve is tired, and the misoperation is easy.

Therefore, the utility model provides a full-automatic hydrogen replacement device of generating set.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a full-automatic hydrogen replacement device of generating set to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a full-automatic hydrogen replacement device of generating set, is including decompression jar and control terminal, the right-hand member of decompression jar is through first pipeline and generator replacement interface intercommunication, and pipeline and the connection calandria intercommunication are passed through in the left side of decompression jar, a plurality of connecting branch pipes are installed in the left side of connection calandria, and every connecting branch pipe all is connected with a carbon dioxide gas cylinder, pipeline's surface is provided with the heating bobbin, the inside circulation of heating bobbin has hot water, and the generator replaces the inside intercommunication of interface and generator, the right side of generator is connected with exhaust pipe, and first pipeline, pipeline and exhaust pipe's surface all is provided with the solenoid valve, exhaust pipe and the inside intercommunication of generator, and exhaust pipe's surface mounting has detecting instrument, solenoid valve all are connected with the control terminal communication.

Preferably, the heating coil is connected with a heat supply unit, and the heat supply unit continuously and circularly conveys hot water to the interior of the heating coil.

Preferably, the generator replacement interface is connected with a hydrogen input pipe through a tee joint, and an electromagnetic valve is mounted on the surface of the hydrogen input pipe.

Preferably, the detecting instrument comprises a gas pressure detector, a carbon dioxide concentration detector and a hydrogen concentration detector.

Preferably, the carbon dioxide gas cylinder is filled with liquid carbon dioxide, one end of the exhaust pipeline, which is far away from the generator, is connected with a plurality of collecting containers through pipelines, and the collecting containers are used for collecting air, gaseous carbon dioxide and hydrogen exhausted from the generator and ensuring that the air is not contacted with the hydrogen.

Preferably, the surface of every carbon dioxide gas cylinder all overlaps and is equipped with a heating jacket pipe, and heating jacket pipe's body is inside to be provided with the intermediate layer chamber, and the water inlet main passes through the bleeder and communicates with the inside intermediate layer chamber of every heating jacket pipe, and the drainage main passes through the bleeder and communicates with the inside intermediate layer chamber of every heating jacket pipe.

Advantageous effects

The utility model provides a full-automatic hydrogen replacement device of generating set possesses following beneficial effect:

1. this full-automatic hydrogen replacement device of generating set, through set up a decompression jar between generator replacement interface and carbon dioxide gas cylinder, after the inside liquid carbon dioxide heating decompression of carbon dioxide gas cylinder, form gaseous carbon dioxide, and the inside of generator is advanced in the transport of continuation, make its inside air escape, after its inside carbon dioxide concentration is greater than 85%, can pour into hydrogen into, thereby avoid hydrogen and air to react, but utilize simultaneously to connect the calandria once only and connect a plurality of carbon dioxide gas cylinders, break-make through the connection of control terminal and solenoid valve control pipeline, can realize accurate digital control, avoid artifical maloperation.

2. This full-automatic hydrogen replacement device of generating set through the hot water input that produces the heat supply unit to heating in the winding pipe, heats the inside liquid carbon dioxide heating of conveying line around the pipe, makes its rapid vaporization, can also prevent simultaneously that conveying line from being frozen.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a block diagram of the electrical connection of the control terminal of the present invention.

In the figure: the system comprises a pressure reducing tank 1, a control terminal 2, a first pipeline 3, a generator replacement interface 4, a conveying pipeline 5, a connecting exhaust pipe 6, a connecting branch pipe 7, a carbon dioxide gas bottle 8, a heating winding pipe 9, a generator 10, an exhaust pipeline 11, a hydrogen input pipe 12, a heating sleeve 13, a water inlet main pipe 14 and a water outlet main pipe 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a full-automatic hydrogen replacement device of generating set, including decompression jar 1 and control terminal 2, the right-hand member of decompression jar 1 is through

first pipeline

3 and 4 intercommunications of generator replacement interface, conveying pipeline 5 and the 6 intercommunications of connecting row pipe are passed through in the left side of decompression jar 1, a plurality of connecting branch pipes 7 are installed in the left side of connecting row pipe 6, every connecting branch pipe 7 all is connected with a carbon dioxide gas cylinder 8, conveying pipeline 5's surface is provided with heating bobbin 9, the inside circulation of heating bobbin 9 has hot water, heating bobbin 9 is connected with the heating unit, the heating unit lasts to the internal circulation transport hot water of heating bobbin 9, through the hot water input that produces the heating unit in the bobbin 9, heating bobbin 9 heats the inside liquid carbon dioxide of conveying pipeline 5, make its quick vaporization, can also prevent simultaneously that conveying pipeline 5 from being frozen.

Every carbon dioxide gas cylinder 8's surface all overlaps and is equipped with a heating sleeve 13, the inside intermediate layer chamber that is provided with of heating sleeve 13's body, inlet manifold 14 passes through bleeder and the inside intermediate layer chamber intercommunication of every heating sleeve 13, drainage manifold 15 passes through bleeder and the inside intermediate layer chamber intercommunication of every heating sleeve 13, the surface of bleeder is provided with the control valve, conduct the inside to heating sleeve 13 with the hot water through inlet manifold 14, thereby heat carbon dioxide gas cylinder 8, inside carbon dioxide vaporization accelerates.

Generator replacement interface 4 and generator 10's inside intercommunication, generator 10's right side is connected with exhaust pipe 11, first pipeline 3, conveying pipeline 5 and exhaust pipe 11's surface all is provided with the solenoid valve, exhaust pipe 11 and generator 10's inside intercommunication, and exhaust pipe 11's surface mounting has detecting instrument, detecting instrument includes the atmospheric pressure detector, carbon dioxide concentration detector, hydrogen concentration detector, detecting instrument, the solenoid valve all is connected with control terminal 2 communication.

Generator replacement interface 4 has hydrogen input tube 12 through the three way connection, and the surface mounting of hydrogen input tube 12 has the solenoid valve, and liquid carbon dioxide is equipped with to the inside of carbon dioxide gas cylinder 8, and the one end of keeping away from generator 10 of exhaust pipe 11 has a plurality of collecting container through the pipe connection, and collecting container is used for collecting from interior exhaust air, gaseous state carbon dioxide and the hydrogen of generator 10 to guarantee that the air does not contact with hydrogen.

Through set up a decompression jar 1 between generator replacement interface 4 and carbon dioxide gas cylinder 8, after 8 inside liquid carbon dioxide heating decompression with carbon dioxide gas cylinder, form gaseous carbon dioxide, and the inside of generator 10 is advanced in the transport of continuation, make its inside air escape, after its inside carbon dioxide concentration is greater than 85%, can pour into hydrogen into, thereby avoid hydrogen and air to react, utilize simultaneously to connect a plurality of carbon dioxide gas cylinders 8 of calandria 6 disposable connection, break-make through the connection of control terminal 2 and solenoid valve control pipeline, can realize accurate digital control, avoid artifical maloperation.

The working principle is as follows: when the full-automatic hydrogen replacement device set of the generator set works, liquid carbon dioxide flows to the conveying pipeline 5 from the carbon dioxide gas bottle 8, the conveying pipeline 5 is heated by the heating winding pipe 9, the solid carbon dioxide is converted into gaseous carbon dioxide under the low-pressure heating state, then the gaseous carbon dioxide enters the pressure reduction tank 1 to be stored, when the carbon dioxide needs to be injected, firstly, the electromagnetic valve on the surface of the first pipeline 3 is opened, the carbon dioxide gas enters the generator 10, meanwhile, the internal air pressure and the carbon dioxide concentration are detected by the carbon dioxide concentration detector and the air pressure detector, data are transmitted to the control terminal 2 in real time, the internal pressure is 0.01-0.03MPA, when the internal carbon dioxide content exceeds 85%, the exhaust pipeline 11 and the electromagnetic valve on the surface of the first pipeline 3 are closed, and the electromagnetic valve on the surface of the hydrogen input pipe 12 is opened, filling hydrogen into the generator 10, raising the pressure of the hydrogen to 0.25-0.3MPA, and stopping hydrogen supplement when the purity of the hydrogen is more than 96%;

and when the hydrogen is discharged, replenishing carbon dioxide to drive the hydrogen in the hydrogen storage tank, replenishing compressed air after the content of the carbon dioxide exceeds 95%, stopping replenishing the compressed air when the concentration of the carbon dioxide is lower than 15%, and collecting the discharged hydrogen to prevent the hydrogen from directly contacting with the air.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a full-automatic hydrogen replacement device of generating set, includes decompression jar (1) and control terminal (2), its characterized in that: the right-hand member of decompression jar (1) is through first pipeline (3) and generator replacement interface (4) intercommunication, and delivery line (5) and connection calandria (6) intercommunication are passed through in the left side of decompression jar (1), a plurality of connecting branch (7) are installed in the left side of connection calandria (6), and every connecting branch (7) all are connected with one carbon dioxide gas cylinder (8), the surface of delivery line (5) is provided with heating pipe (9), the inside circulation of heating pipe (9) has hot water, the inside intercommunication of generator replacement interface (4) and generator (10), the right side of generator (10) is connected with exhaust pipe (11), and the surface of first pipeline (3), delivery line (5) and exhaust pipe (11) all is provided with the solenoid valve, the inside intercommunication of exhaust pipe (11) and generator (10), and the surface mounting of exhaust pipe (11) has detecting instrument, the detection instrument and the electromagnetic valve are in communication connection with the control terminal (2).

2. The full-automatic hydrogen replacement device of a generator set according to claim 1, characterized in that: the heating coiled pipe (9) is connected with a heat supply unit, and the heat supply unit continuously conveys hot water to the internal circulation of the heating coiled pipe (9).

3. The full-automatic hydrogen replacement device of a generator set according to claim 1, characterized in that: the detecting instrument comprises a gas pressure detector, a carbon dioxide concentration detector and a hydrogen concentration detector.

4. The full-automatic hydrogen replacement device of a generator set according to claim 1, characterized in that: the generator replacement interface (4) is connected with a hydrogen input pipe (12) through a tee joint, and an electromagnetic valve is arranged on the surface of the hydrogen input pipe (12).

5. The full-automatic hydrogen replacement device of a generator set according to claim 1, characterized in that: liquid carbon dioxide is filled in the carbon dioxide gas bottle (8), one end, far away from the generator (10), of the exhaust pipeline (11) is connected with a plurality of collecting containers through pipelines, and the collecting containers are used for collecting air, gaseous carbon dioxide and hydrogen exhausted from the generator (10) and ensuring that the air is not in contact with the hydrogen.

6. The full-automatic hydrogen replacement device of a generator set according to claim 1, characterized in that: the surface of every carbon dioxide gas cylinder (8) all overlaps and is equipped with one heating sleeve pipe (13), and the body of heating sleeve pipe (13) is inside to be provided with the intermediate layer chamber, and inlet manifold (14) are through bleeder and the inside intermediate layer chamber intercommunication of every heating sleeve pipe (13), and drainage house steward (15) are through bleeder and the inside intermediate layer chamber intercommunication of every heating sleeve pipe (13).