CN111425296A - A Symmetrically Arranged Double Generator Set Container Power Station - Google Patents

Abstract

The invention relates to the field of generator set design and manufacture, and provides a movable and symmetrically arranged container power station with double generator sets. The proposed dual-generator set container power station with symmetrical arrangement has a total of one container; the container is a through-type box; two generator sets are symmetrically arranged in the container; the two generator sets are located at both ends of the container; The radiator side is close to both ends of the container; in the middle of the container, that is, between the two generator sets, there are common electrical systems, power transmission and distribution cabinets, control boxes and fuel oil inlet pipes; the two generator sets share a fuel oil inlet pipe; A solenoid valve is installed in the two oil inlet pipes of each generator set, and one oil inlet pipe is installed with a solenoid valve; the two sides of the two generator sets are arranged with a battery box, a water preheater, an oil pre-supply pump and a fuel pre-filter. The invention makes full use of the space in the container and reduces the external interface of the container.

Description

A Symmetrically Arranged Double Generator Set Container Power Station

technical field

The invention relates to the field of design and manufacture of generator sets, in particular to a container power station with a movable and symmetrical arrangement of double generator sets.

technical background

Due to the high degree of integration and convenient transportation, container power plants are increasingly used in land power generation, construction machinery power, oil field power and other fields.

Existing generator sets with a rated power of more than 1000kW mostly use V-type diesel engines with a power of more than 1200kW, and the volume of the diesel engine is relatively large. Due to the limitation of the container installation space, the container needs to be divided into three independent spaces: the diesel engine high and low temperature water cooling room, the generator set installation room, and the electrical control room. In the high and low temperature water cooling room of the diesel engine, the high and low temperature water radiators are arranged on both sides of the container wall, the exhaust fan is arranged on the top, and the fuel tank is arranged in the middle; the diesel generator set and other supporting equipment are installed in the generator set installation room. The height of the diesel engine is relatively high, the diesel engine muffler is generally arranged on the top of the container, and the muffler needs to be removed during transportation; the generator control box and the electrical transmission and distribution cabinet are centrally installed in the electrical control room. There are different connecting pipelines and pipelines between each compartment, the layout is complicated, and the transportation is inconvenient.

SUMMARY OF THE INVENTION

In order to meet the market demand and improve the convenience of the container power station, the purpose of the present invention is to provide a container power station with symmetrical arrangement of double generator sets.

The technical scheme of the present invention adopts the following technical scheme to realize:

A dual-generator set container power station is symmetrically arranged, and the double-generator set container power station has a container; the container is a through-type box body, and a radiator fan directly driven by a diesel engine is used as the power of the ventilation system, and fresh air flows from the box. The air intake doors on both sides of the body enter the container, and after cooling the equipment, the radiator fan is discharged through the exhaust ports at both ends of the container; two generator sets are symmetrically arranged in the container; the two generator sets are located in the container respectively. The radiator sides of the two generator sets are close to both ends of the container, which is convenient for the radiator to exhaust air; the middle position of the container, that is, between the two generator sets, is arranged with a common electrical system, power transmission and distribution cabinet, Control box and fuel oil inlet pipeline; two generator sets share a fuel oil inlet pipe, which is divided into two sets of generator sets after entering the container; the base of the generator set is in the form of a base fuel tank; the common oil inlet is arranged In the middle of the container, the fuel inlet of the base fuel tank is arranged on the side of the generator set, close to the common fuel inlet; the base fuel tank is equipped with a fuel level sensor and a fuel level switch, and the fuel tank level is displayed on the unit control screen; each generator set One of the two oil inlet pipes is equipped with a solenoid valve. When the liquid level of the base oil tank reaches the low value of the liquid level switch, the solenoid valve is opened, and the base oil tank is filled with oil. When the liquid level reaches the liquid level, the keyile is opened as the solenoid valve. In case of failure, the manual ball valve can be combined with the liquid level display of the control panel to supplement the fuel; the battery boxes, water preheaters, oil pre-supply pumps and fuel pre-filters are arranged on both sides of the two generator sets; on the top inner wall of the container there are Install the muffler, respirator snorkel and power cable; the power transmission and distribution cabinet adopts the method of top-in and bottom-out, the generators of the two sets of generator sets go out on the same side, and the power cable goes up from the generator outlet, along the top of the container. The bridge goes down into the power transmission and distribution cabinet, and goes out through the same busbar.

The container is provided with an output port at a position close to the control box, which is convenient for users to access power cables.

The shared electrical system includes a machine side monitoring system, a power generation, transmission and distribution system, a signal acquisition system, and an external interface system; the electrical system has functions such as unit control, parameter monitoring, fault alarm, and remote data transmission, and a box body is also provided. Lighting, battery float charging, oil pre-supply, cooling water preheating, fuel tank level monitoring, automatic refueling and other auxiliary control functions of the unit.

Said power generation, transmission and distribution system outputs the power generation of two units in parallel to the common busbar, and configures feeder output ports of different capacities, so as to satisfy the user's use and protection function of loads with different capacity levels.

A control box is attached to the upright of the container, and the container has a hole and an observation window with a pneumatic support. When the machine is turned on, the observation window is opened, and the unit parameters can be read through the touch screen of the control box outside the container to complete the operation of the unit; The control box described above has a manual/automatic control mode, and the user can select the corresponding control mode according to the actual application requirements.

The monitoring of the running state of the unit has the functions of abnormal alarm and fault protection. Each unit is equipped with alarm lights and emergency stop buttons on both sides of the container; when the unit is abnormal, the control system will give an audible and visual alarm, and the alarm buzzer on the container will also send out an alarm signal. , and the protection alarm is divided into opening protection and opening and shutdown protection according to the fault category, and an audible and visual alarm signal will also be issued; when the generator set has a major fault, observe the corresponding alarm light on both sides of the box, and press the stop button. The unit can be stopped by pressing the button.

The bellows, exhaust elbows and mufflers of the diesel engine are covered with thermal insulation cotton to effectively reduce the radiant heat ventilation in the box.

The air volume of the radiator is twice that of the conventional radiator; when the ambient temperature is 40°C, the temperature rise in the container is controlled at 5°C, and the generator set can operate normally.

The intake doors on both sides of the container body account for 25% of the total area on both sides of the container.

The exhaust ports arranged at both ends of the container are connected with the radiator through the canvas air guide cover.

In order to prevent rainwater from entering the box through the intake valve and damaging the internal equipment, the container air intake louver adopts a C-shaped structure, and the inner side of the C-shaped structure is a steel wire filter and a perforated plate, which can effectively remove the dust and sand carried in the intake air.

The intake and exhaust ports of the container body are arranged symmetrically to avoid uneven distribution of air volume and air pressure in the container. When the dual generator sets are running at rated power, the vacuum degree in the container is less than 0.5kPa; the intake valve of the container is close to the diesel engine air filter and generator. Cool the intake valve, reduce the intake air temperature, enhance the cooling effect, and increase the power of the unit.

Anti-rust aluminum perforated panels are laid on the inner surface of the container, with a perforation rate of >20%, and a sound-absorbing and heat-insulating layer is installed on the inner wall of the container. The sound-absorbing and heat-insulating layers of the container are made of environmentally friendly materials.

The number and arrangement of the door and window openings in the container body fully consider the operation and maintenance of the diesel generator set. A total of 5 inspection doors have been opened, which are respectively opened at the diesel engine oil filter and fuel filter, water preheating and power transmission and distribution cabinets. where

The container adopts a top-opening design, which ensures that the water tank, diesel engine, generator, control box and other equipment can enter the container for installation respectively.

The top of the container needs to be equipped with a lifting ring, which can easily disassemble and assemble the top cover of the container.

The top cover of the container is provided with a radiator water filling port and a diesel engine exhaust port.

The symmetrical arrangement of the dual generator set container power station proposed by the present invention is reasonably arranged, the space in the container is fully utilized, the size of each component is reasonably designed, the generator set and auxiliary equipment are arranged in the container as much as possible, and the external interface of the container is reduced; The container adopts a through design, no partition wall is reserved, and no ventilation fan is used. The ventilation and heat dissipation in the container are driven by the diesel engine radiator fan. The equipment is arranged on both sides of the unit and on the top of the container; the two sets of generator sets share a set of control box and transmission and distribution cabinet, and the electrical energy of the two sets of units is output through the busbar of the transmission and distribution cabinet; the two sets of generator sets share an oil inlet, The base of the generator set adopts a base oil tank, which can meet the eight-hour operation of the unit, and an automatic oil replenishment system is installed. The air inlet louver of the container adopts a wind and sand proof design, and the inner surface of the container is laid with a panel with holes to adapt to the use in the field environment and reduce the noise of the container power station. Equipped with DC fuel water preheater, oil pre-supply pump and other equipment to adapt to quick start in low temperature environment. The ports on the container body, such as the intake door and the inspection door, are reasonably arranged, which is convenient for the operation, maintenance and overhaul of the power station. After the whole set of power station is installed, there are few external interfaces, integration, high degree of automation and convenient transportation.

Description of drawings

Figure 1 is a diagram of the equipment layout in the container.

Figure 2 is a cross-sectional view of a container power station.

Figure 3 is an open view of the left side of the container.

Figure 4 is a view of the right side opening of the container.

Figure 5 is a view of the top interface of the container.

In the picture: Ⅰ, escalator; Ⅱ, inspection door; Ⅲ, intake door; Ⅳ, control cabinet observation window; Ⅴ, respirator interface; Ⅵ, fuel oil inlet; Ⅶ, power cable output port; Ⅷ, sewage outlet; Ⅸ, Drainage port; Ⅹ, radiator water inlet; Ⅺ, exhaust port; Ⅻ, base sewage outlet; ⅰ, generator outlet; 1. Alarm light; 2. Emergency stop button; 3. Breathing connector tube; 4. External connection Exhaust pipe; 5. Muffler; 6. Corrugated pipe; 7. Inlet louver; 8. Water preheater; 9. Battery box; 10. Control cabinet; 11. Power cable; 12. Cable tray; 13. External respirator pipe; 14, exhaust elbow; 15, power transmission and distribution cabinet; 16, generator; 17, diesel engine; 18, radiator; 19, primary fuel filter; 20, fuel level switch; 21, switch cabinet Base; 22, battery switch box; 23, base oil tank; 24, air guide; 25, hoisting ring.

Detailed ways

The present invention will be described with reference to the accompanying drawings and specific embodiments:

As shown in Figures 1 to 4, a symmetrically arranged dual-generator set container power station has one container in total; the container is a through-type box, and a radiator fan directly driven by a diesel engine is used as ventilation The power of the system, fresh air enters the container from the intake valve III on both sides of the box, and after cooling the equipment, it is discharged by the radiator fan through the exhaust port XI at both ends of the container; two generator sets are symmetrically arranged in the container. The two generator sets are respectively located at both ends of the container; the radiator 18 sides of the two generator sets are close to both ends of the container, which is convenient for the radiator to exhaust air; the middle position of the container is between the two generator sets The common electrical system, power transmission and distribution cabinet 15, control box 17 and fuel oil inlet pipeline are arranged; the two generator sets share a fuel oil inlet pipeline, which is divided into two sets of generator sets after entering the container; The base of the unit is in the form of a base fuel tank 23; the common fuel inlet is arranged in the middle of the container, and the fuel inlet of the base fuel tank 23 is arranged on the side of the generator set, close to the common fuel inlet; the base fuel tank 23 is installed with a fuel level sensor and fuel liquid Position switch 20, the oil tank level is displayed on the unit control screen; a solenoid valve is installed in the two oil inlet pipes of each generator set, and one oil inlet pipe is installed. When the base oil tank liquid level reaches the low value of the liquid level switch, the solenoid valve When the liquid level reaches the high value of the liquid level switch, the solenoid valve is closed, and the base oil tank stops replenishing oil; the other oil inlet is equipped with a manual ball valve. When the solenoid valve fails, the manual ball valve can be used in conjunction with the control screen. The two generator sets are equipped with a battery box, a water preheater, an oil pre-supply pump and a fuel pre-filter; on the inner wall of the top of the container are installed a muffler, a breather breather, and a power supply. Cables; the power transmission and distribution cabinet adopts the method of top-in and bottom-out. The generators of the two sets of generator sets go out on the same side, and the power cables go up from the generator outlet and enter the power transmission and distribution cabinet downward along the bridge on the top of the container. The same busbar is output to the outside.

The shared electrical system includes machine side monitoring system, power generation, transmission and distribution system, signal acquisition system, external interface system, etc.; it has functions such as unit control, parameter monitoring, fault alarm, data remote transmission, etc. Auxiliary control functions of the unit such as float charging, oil pre-supply, cooling water preheating, fuel tank level monitoring, automatic refueling, etc. The power generation, transmission and distribution system outputs the power generation of the two units in parallel to the common busbar, and is equipped with feeders of different capacities The output port can meet the user's use and protection functions without the capacity level load.

The control box is externally hung on the container column. The container has a hole and an observation window with a pneumatic support. When the machine is turned on, the observation window is opened, and the unit parameters can be read through the touch screen of the control box outside the container to complete the operation of the unit. With manual/automatic control mode, the user can select the corresponding control mode according to the actual application requirements.

The power transmission and distribution cabinet adopts the method of top-in and bottom-out. The two sets of generators have the same side outlet. The power cable goes up from the outlet of the generator and enters the power transmission and distribution cabinet down the bridge on the top of the container, and goes out through the same busbar. . The container has an output port near the control box, which is convenient for users to access power cables.

The monitoring of the running state of the unit has the functions of abnormal alarm and fault protection. Each unit is equipped with alarm lights and emergency stop buttons on both sides of the container. When the unit is abnormal, the control system will give an audible and visual alarm, and the alarm buzzer on the container will also send out an alarm signal. . When there is a major failure of the generator set, observe the corresponding alarm lights on both sides of the box, and press the stop button to stop the operation of the generator set.

The two sets of generator sets share a fuel oil inlet pipe, which is divided into two sets of generator sets after entering the container. The base of the diesel generator set adopts the design scheme of the base fuel tank. The common oil inlet is arranged in the middle of the container, and the oil inlet of the base oil tank is arranged on the side of the generator set, close to the common oil inlet. The base fuel tank is equipped with a fuel level sensor and a fuel level switch, and the fuel tank level is displayed on the unit control screen; in the scheme of two fuel inlet pipes for each unit, a solenoid valve is installed in one fuel inlet pipe, when the base fuel tank level When the low value of the liquid level switch is reached, the solenoid valve is opened, and the base tank is filled with oil. When the liquid level reaches the high value of the liquid level switch, the solenoid valve is closed, and the base tank stops adding oil. A manual ball valve is installed on the other oil inlet. When the solenoid valve fails, the manual ball valve can be used in conjunction with the liquid level display on the control panel to supplement the fuel.

The ventilation of the container includes the combustion of the diesel engine, the radiant heat of each equipment and the ventilation of the radiator fan. Diesel engine bellows, exhaust elbows, and mufflers are covered with thermal insulation cotton, which can effectively reduce the amount of radiant heat ventilation in the box. The penetrating box as a whole adopts the radiator fan directly driven by the diesel engine as the power of the ventilation system, and there is no ventilation fan and other equipment. Fresh air enters the container from the intake doors on both sides of the box, and after cooling the equipment, it is discharged by the radiator fan through the exhaust ports at both ends of the container. In order to meet the ventilation requirements of the container power station, the air volume of the radiator is twice that of the conventional radiator. When the ambient temperature is 40°C, the temperature rise in the container is controlled at 5°C, and the generator set can operate normally.

For this reason, the air intake area on both sides of the container body is also increased accordingly. In addition to the inspection door, large-area air intake doors are arranged on both sides of the container, and the area of air intake accounts for 25% of the total area on both sides of the container. The exhaust ports are arranged at both ends of the container, and are connected to the radiator through the canvas air hood. In order to prevent rainwater from entering the box through the intake valve and damaging the internal equipment, the container air intake louver adopts a C-shaped structure, and the inner side of the C-shaped structure is a steel wire filter and a perforated plate, which can effectively remove the dust and sand carried in the intake air. Anti-rust aluminum perforated panels are laid on the inner surface of the container, with a perforation rate of >20%, and a sound-absorbing and heat-insulating layer is installed on the inner wall of the container. The sound-absorbing and heat-insulating layers of the container are made of environmentally friendly materials.

The number and arrangement of the door and window openings in the container body fully consider the operation and maintenance of the diesel generator set. A total of 5 inspection doors have been opened, which are respectively opened at the diesel engine oil filter and fuel filter, water preheating and power transmission and distribution cabinets. place. The intake and exhaust ports of the container body are arranged symmetrically to avoid uneven distribution of air volume and air pressure in the container. When the dual generator sets are running at rated power, the vacuum degree in the container is less than 0.5kPa. The manifold intake valve is close to the diesel engine air filter, and the generator cools the intake valve, reduces the intake air temperature, enhances the cooling effect, and increases the power of the unit. The layout of the interfaces on both sides of the container is shown in Figure 3 and Figure 4.

The container adopts a top-opening design to ensure that the water tank, diesel engine, generator, control box and other equipment can enter the container separately for installation. The top of the container needs to be equipped with a lifting ring, which can easily disassemble and assemble the top cover of the container. The top cover of the container is provided with a radiator water filling port and a diesel engine exhaust port. The top view of the container is shown in Figure 5.

After a reasonable layout, the unit can be put into operation after the user is connected to the fuel inlet, respirator pipe, and external exhaust pipe, and the monitoring of the power station can be completed outside the box. The shape of the entire container power station meets the requirements of standard containers and is easy to transport.

Claims (5)

1. The utility model provides a two generator system container power station of symmetrical arrangement which characterized in that: the double generator sets container power stations share one container; the container is a through type box body, a radiator fan directly driven by a diesel engine is used as power of a ventilation system, fresh air enters the container from inlet valves at two sides of the box body, and is exhausted from exhaust ports at two ends of the container by the radiator fan after cooling each device; two generator sets are symmetrically arranged in the container; the two generator sets are respectively positioned at two ends of the container; the radiator sides of the two generator sets are close to the two ends of the container, so that the radiators can exhaust air conveniently; a shared electrical system, a power transmission and distribution cabinet, a control box and a fuel oil inlet pipeline are arranged in the middle of the container, namely between the two generator sets; the two generator sets share one fuel oil inlet pipe, and are divided into two parts to respectively enter the two generator sets after entering the container; the base of the generator set adopts a base oil tank form; the common oil inlet is arranged in the middle of the container, and the oil inlet of the base oil tank is arranged on the side of the generator set and close to the common oil inlet; the base oil tank is provided with a fuel oil level sensor and a fuel oil level switch, and the liquid level of the oil tank is displayed on a unit control screen; one of the two oil inlet pipes of each generator set is provided with an electromagnetic valve, when the liquid level of a base oil tank reaches a low value of a liquid level switch, the electromagnetic valve is opened, the base oil tank is replenished with oil, and when the liquid level reaches a liquid level switch keyile, the manual ball valve can be combined with a control screen to display and replenish the fuel oil when the electromagnetic valve fails; two sides of the two generator sets are provided with a storage battery box, a water preheater, an engine oil pre-supply pump and a fuel oil coarse filter; a silencer, a breather pipe and a power cable are arranged on the inner wall of the top of the container; the power transmission and distribution cabinet adopts an up-in and down-out mode, the generators of the two generator sets are led out from the same side, the power cable upwards enters the power transmission and distribution cabinet from the generator outlet and downwards along the bridge frame at the top of the container, and the power cable is output outwards through the same busbar.

2. A symmetrically arranged double generator set container power station according to claim 1, characterized in that: the container is provided with an output port at a position close to the control box, so that a user power cable can be conveniently accessed.

3. A symmetrically arranged double generator set container power station according to claim 1, characterized in that: the shared electrical system comprises a machine side monitoring system, a power generation, transmission and distribution system, a signal acquisition system and an external interface system; the electric system has the functions of unit control, parameter monitoring, fault alarm, data remote transmission and the like, and is additionally provided with the auxiliary control functions of box body illumination, storage battery floating charge, engine oil pre-supply, cooling water preheating, fuel tank liquid level monitoring and automatic oiling unit for oiling.

4. A symmetrically arranged double generator set container power station according to claim 1, characterized in that: the power generation, transmission and distribution system outputs the power generated by the two units to a common bus in parallel, and is provided with feeder output ports with different capacities, so that the use and protection functions of users without capacity level loads are met.

5. A symmetrically arranged double generator set container power station according to claim 1, characterized in that: the control box is hung outside the upright post of the container, the container is provided with an opening and an observation window with a pneumatic support post, when the container is started, the observation window is opened, the parameters of the unit can be read outside the container through the touch screen of the control box, and the operation of the unit is finished; the control box is provided with a manual/automatic control mode, and a user can select the corresponding control mode according to the actual application requirement.

Images