CN-224233353-U - Simple energy recovery device

CN224233353UCN 224233353 UCN224233353 UCN 224233353UCN-224233353-U

Abstract

The utility model discloses a simple energy recovery device, which is based on a seawater desalination machine and comprises a hydroelectric generator, wherein a water inlet of an RO membrane assembly is connected with a high-pressure pump, the high-pressure pump is electrically connected with a motor, and a concentrated water outlet of the RO membrane assembly is communicated with a water inlet of the hydroelectric generator. The utility model has simple structure, and the hydroelectric generator is driven by high-pressure concentrated water to generate electric energy and store the electric energy in the energy storage battery, namely, the energy recovery is realized through the simple structure.

Inventors

XU LEI
LU HAIJUN
LIU NA

Assignees

江苏智林空间装备科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250226

Claims (4)

1. The simple energy recovery device is characterized by comprising a hydroelectric generator, a high-pressure pump is connected to a water inlet of the RO membrane assembly, a motor is electrically connected to the high-pressure pump, a concentrated water outlet of the RO membrane assembly is communicated with a water inlet of the hydroelectric generator, an energy storage battery is electrically connected to the hydroelectric generator through a controller, the controller is electrically connected with a power supply unit, the controller is electrically connected with the power supply unit through a driving circuit, the driving circuit comprises an integrated circuit, a second resistor, a fourth resistor, a sixth resistor, a first triode, a second triode, a third triode, a fourth triode, a fifth triode, a sixth triode, a first field effect transistor, a second field effect transistor and a third field effect transistor, an input end of a series circuit formed by the third triode and the fourth triode, an input end of a series circuit formed by the fifth triode and the sixth triode, a grid electrode of the first field effect transistor and an output end of the fourth triode are electrically connected with a drain electrode of the fourth triode through a third grid electrode and a drain electrode of the fourth triode, and a series circuit formed by the third grid electrode of the fourth triode and the fourth triode is electrically connected with the output end of the fourth triode.
2. The simple energy recovery device of claim 1, wherein the first triode, the third triode and the fifth triode are NPN triodes, the second triode, the fourth triode and the sixth triode are PNP triodes, a collector of the first triode is electrically connected with an emitter of the second triode, a collector of the third triode is electrically connected with an emitter of the fourth triode, a collector of the fifth triode is electrically connected with an emitter of the sixth triode, and three signal output ends of the integrated circuit are respectively electrically connected with a base of the first triode, a base of the third triode and a base of the fifth triode.
3. The simple energy recovery device of claim 1, wherein the driving circuit further comprises a first voltage regulator, a second voltage regulator, a third voltage regulator, a fourth voltage regulator, a fifth voltage regulator and a sixth voltage regulator, the first field-effect transistor is electrically connected with the grid electrode of the first field-effect transistor through an anti-serial circuit formed by the first voltage regulator and the second voltage regulator, the second field-effect transistor is electrically connected with the grid electrode of the second field-effect transistor through an anti-serial circuit formed by the third voltage regulator and the fourth voltage regulator, and the third field-effect transistor is electrically connected with the grid electrode of the third field-effect transistor through an anti-serial circuit formed by the fifth voltage regulator and the sixth voltage regulator.
4. The simple energy recovery device of claim 1, wherein the driving circuit further comprises a first resistor, a third resistor and a fifth resistor, the grid electrode of the first field effect transistor is electrically connected with the output end of the series circuit formed by the first triode and the second triode through the first resistor, the grid electrode of the second field effect transistor is electrically connected with the output end of the series circuit formed by the third triode and the fourth triode through the third resistor, and the grid electrode of the third field effect transistor is electrically connected with the output end of the series circuit formed by the fifth triode and the sixth triode through the fifth resistor.

Description

Simple energy recovery device Technical Field The utility model relates to the technical field of sea water desalination, in particular to a simple energy recovery device. Background The seawater desalination plant requires the use of a high pressure pump to provide pressure to the RO membrane, which itself requires a greater osmotic pressure, and a matching larger motor to drive the high pressure pump. When RO membrane produces water, a large amount of high pressure concentrated water can be produced, most enterprises are pursued to have simple structure and low cost, and the concentrated water is directly discharged, so that a large amount of energy sources are wasted. In order to solve the problem of energy waste, equipment using an energy recovery device is currently available in the market, and the principle of the equipment is that high-pressure concentrated water is introduced into a piston type energy recovery device, and the high-pressure concentrated water is utilized to push a piston, so that the piston does work to increase pressure for water inlet of an RO membrane, and the purpose of energy recovery is achieved. However, the energy recovery device has a complex structure and high cost, and the phenomenon that the piston is blocked easily causes that the whole machine cannot normally operate. For this reason, a device with a simple structure is required to be designed to solve the energy recovery problem. Disclosure of utility model The utility model aims to overcome the defects and provides a simple energy recovery device based on a sea water desalination machine. The utility model realizes the above purpose through the following technical scheme: The utility model provides a simple and easy energy recuperation device, its RO membrane assembly based on sea water desalination machine, includes hydroelectric generator, the water inlet of RO membrane assembly is connected with the high-pressure pump, and the high-pressure pump electricity is connected with the motor, and the dense water export of RO membrane assembly communicates with hydroelectric generator's water inlet, and hydroelectric generator is connected with energy storage battery through the controller electricity, and the controller electricity is connected with power supply unit. The controller is electrically connected with the power supply unit through a driving circuit, the driving circuit comprises an integrated circuit, a second resistor, a fourth resistor, a sixth resistor, a first triode, a second triode, a third triode, a fourth triode, a fifth triode, a sixth triode, a first field effect transistor, a second field effect transistor and a third field effect transistor, three signal output ends of the integrated circuit are respectively electrically connected with an input end of a series circuit formed by the first triode and the second triode, an input end of a series circuit formed by the third triode and the fourth triode, an input end of a series circuit formed by the fifth triode and the sixth triode, a grid electrode of the first field effect transistor is electrically connected with an output end of a series circuit formed by the first triode and the second triode, a grid electrode of the second field effect transistor is electrically connected with an output end of a circuit formed by the third triode and the fourth triode, a grid electrode of the third field effect transistor is electrically connected with an output end of a circuit formed by the fifth triode and the sixth triode, and a grid electrode of the third field effect transistor is electrically connected with a drain electrode of the third triode through a drain electrode of the fourth resistor. Preferably, the power supply unit comprises a solar power generation module, a commercial power module and/or a diesel generator module, and the solar power generation module, the commercial power module and/or the diesel generator module are electrically connected with the controller. The solar power generation module comprises a solar panel, an inverter and a control box, wherein the control box is electrically connected with the inverter, the solar panel is electrically connected with the controller through the inverter, the solar panel converts light energy into electric energy, and the inverter converts direct current into alternating current. The diesel generator module comprises a diesel generator and a rectification power supply circuit, and the diesel generator is electrically connected with the controller through the rectification power supply circuit. The mains supply module comprises a power plug and a mains supply rectifying circuit, the power plug is externally connected with mains supply, the power plug is electrically connected with the controller through the mains supply rectifying circuit, and the mains supply rectifying circuit is used for converting the mains supply into direct-current voltage. Preferably, the first triode, the third triode and th