CN-117450041-B - Multi-energy complementary comprehensive energy supply system and energy supply method for large-scale park

Abstract

The invention discloses a multifunctional complementary comprehensive energy supply system and an energy supply method for a large-scale park, and relates to the technical field of energy supply devices. The multifunctional complementary comprehensive energy supply system and the energy supply method for the large-scale park comprise an air compressor and a driving motor, wherein a cooling complementary component for cooling and complementing lubricating oil is arranged at the upper end of the air compressor, a reciprocating compression component is arranged at the upper end of the air compressor, an oil guide component for automatically lubricating the reciprocating compression component is arranged at the upper end of the air compressor, the cooling complementary component comprises a compression shell fixedly arranged at the upper end of the air compressor, a plurality of oil outlets and oil seepage holes are formed in the outer side of the compression shell, the lubricating oil is circulated through the oil outlets and the oil seepage holes in the cooling complementary component, the lubricating oil is discharged out of the compression shell, the hot oil is circulated through a complementary curved pipe, and the lubricating oil just discharged out of the compression shell is enabled to pass through an air pressure output pipe and then indirectly contacted with compressed gas through the lubricating oil.

Inventors

• WENG LIGUO
• WANG JULIANG
• CHEN XIN
• XIANG JIANSEN
• GAO JUN
• Nan Chuang
• XU FAZHEN
• FAN HUA
• CHEN JUNLIANG
• SHOU TING
• ZHANG YANGHUI
• SHEN HONGDA
• JIN DIJUN
• WANG YAO

Assignees

• 浙江中新电力工程建设有限公司
• 国网浙江杭州市萧山区供电有限公司

Dates

Publication Date

20260505

Application Date

20231030

Claims (4)

1. 1. The multifunctional complementary comprehensive energy supply system for the large-scale park comprises an air compressor (1) and a driving motor (2) and is characterized in that a cooling complementary assembly (3) for cooling and complementing lubricating oil is arranged at the upper end of the air compressor (1), a reciprocating compression assembly (4) is arranged at the upper end of the air compressor (1), and an oil guide assembly (5) for automatically lubricating the reciprocating compression assembly (4) is arranged at the upper end of the air compressor (1); The cooling complementary assembly (3) comprises a compression shell (301) fixedly arranged at the upper end of the air compressor (1), a plurality of oil outlet holes (302) and oil seepage holes (303) are formed in the outer side of the compression shell (301), a plurality of oil fixing rings (304) are fixedly arranged on the outer surface of the compression shell (301), the oil fixing rings (304) are internally communicated with the outer sides of the corresponding oil outlet holes (302) and the oil seepage holes (303), oil conveying pipes (305) are fixedly arranged on the outer sides of the oil fixing rings (304), and complementary curved pipes (306) are communicated between the two oil conveying pipes (305); The oil guide assembly (5) comprises a bottom plate (508) fixedly arranged at the upper end of a limiting ring (407), a conical shell (507) is fixedly arranged at the upper end of the bottom plate (508), a sealing plate (509) is fixedly arranged on the outer surface of the conical shell (507), a plurality of rectangular grooves are formed in the middle of the sealing plate (509), the upper surface of the bottom plate (508) is obliquely arranged, and the inclination directions of the bottom plate (508) and the conical shell (507) are consistent; The upper end of the bottom plate (508) is fixedly provided with a plurality of extending springs (510), the middle part of the rectangular groove is slidably provided with an air pressure block (511), the lower end of the air pressure block (511) is fixedly connected with the other end of the extending springs (510), the outer surface of the air pressure block (511) is provided with a driving dip angle (512), and the middle part of the conical shell (507) is provided with a circular hole for the compression rod (405) to pass through; The compression device comprises a compression rod (405), a compression shell (301) and a driving plate (502), wherein a curved groove (501) is formed in the outer surface of the compression rod (405), a directional groove (505) is formed in the inner surface of the compression shell (301), the middle part of the directional groove (505) is rotationally provided with the driving plate (502), a round groove for the compression rod (405) to pass through is formed in the middle part of the driving plate (502), a driving head (504) is fixedly arranged on the inner surface of the round groove, one end of the driving head (504) is arranged in a semicircular mode, and the semicircular end of the driving head (504) slides on the outer surface of the curved groove (501); a plurality of oil leakage grooves (503) are formed in the inner surface of the driving plate (502), a plurality of driving blocks (506) are formed in one end, close to the air pressing blocks (511), of the driving plate (502), transition fillets are formed in the lower ends of the driving blocks (506), the number of the driving blocks (506) and the number of the air pressing blocks (511) are equal, a driving inclination angle (512) is formed in one end, close to the driving blocks (506), of the air pressing blocks (511), the reciprocating compression assembly (4) comprises a driving crankshaft (403) which is rotatably arranged on the inner surface of the compression shell (301), a driving wheel (401) is fixedly arranged at one end, located on the outer side of the compression shell (301), of the driving crankshaft (403), a driving belt (402) is rotatably arranged between an output shaft of the driving motor (2) and the driving wheel (401), a driven crankshaft (404) is rotatably arranged on the outer surface of the driving crankshaft (403), a limiting ring (407) is fixedly arranged on the inner surface of the compression shell (301), a compression rod (405) is slidably arranged in the middle of the limiting ring (407), one end of the compression rod (405) is rotatably connected with the outer surface of the driven crankshaft (404), the compression rod (405), the other end of the compression rod (405) is fixedly provided with the compression plate (406), and the driving plate (401) is fixedly arranged on the outer surface of the compression shell (301).
2. 2. The multi-energy complementary comprehensive energy supply system for the large-scale park according to claim 1, wherein the upper end of the compression shell (301) is provided with a gas exchange valve (6) for alternating gas, the output end of the gas exchange valve (6) is fixedly provided with a gas pressure output pipe (7), the other end of the gas pressure output pipe (7) is communicated with the inside of the air compressor (1), and the complementary curved pipe (306) is sleeved outside the gas pressure output pipe (7).
3. 3. A method of multi-energy complementary comprehensive energy supply for a large campus using the multi-energy complementary comprehensive energy supply system for a large campus of any one of claims 1-2, comprising the steps of: step 1, driving a motor (2) to do work, compressing air through a reciprocating compression assembly (4), alternately exhausting air through a gas exchange valve (6), and exhausting compressed air into an air compressor (1) through a gas pressure output pipe (7); Step 2, circulating lubricating oil in the compression cavity through the cooling complementary assembly (3) when compressed air is compressed through the reciprocating compression assembly (4), and realizing indirect contact between the gas in the compression cavity and the lubricating oil through a pipeline when the gas is discharged, so as to perform temperature alternation; and 3, recycling lubricating oil in the compression cavity through the oil guide assembly (5), and recycling the lubricating oil through the kinetic energy of compressed gas of the reciprocating compression assembly (4).
4. 4. The method of claim 3, wherein the lubricating oil in the step 2 is fluorinated silicone oil or polyalkylene glycol.

Description

Multi-energy complementary comprehensive energy supply system and energy supply method for large-scale park Technical Field The invention relates to the technical field of energy supply devices, in particular to a multifunctional complementary comprehensive energy supply system and an energy supply method for a large-scale park. Background The existing technology is advanced along with the adjustment of an energy structure, the permeability of renewable energy is continuously improved, the cold-heat cogeneration technology is combined, the output of distributed renewable energy can be integrated, the running cost is reduced, the environmental benefit is improved, and various energy supply devices are contained in a park energy supply system to ensure the operation of the park; The cooling and heating combined supply and demand balance optimization scheduling method considering the energy supply side and the demand side, disclosed by the retrieval patent number CN110689189B, comprises the steps of S1, establishing an energy supply side model according to the running state of a cooling and heating combined system, S2, establishing a demand response control model according to the load characteristic of a user, S3, obtaining an energy supply flexibility index and an energy consumption flexibility index, S4, establishing a cooling and heating combined supply and demand balance optimization scheduling model, taking the electric energy interaction cost, the gas cost and the equipment maintenance cost of a micro-grid and an external grid as the total running cost of the model, taking the root mean square of the electric energy and the cooling/heating energy flexibility index as the comprehensive flexibility index of the system, S5, solving the established cooling and heating combined supply and demand balance optimization scheduling model by using a multi-target particle swarm algorithm, and selecting the most suitable solution according to actual conditions; According to the above patent, in the use of the energy supply device, the respective heat energy, electric energy and cold energy are required to be used in a complementary way, wherein in the use of the energy supply device, the compression cavity is required to be lubricated by lubricating oil in the use of the energy supply device, the heat energy of the lubricating oil cannot be well utilized, and the compression cavity is overheated, so that the air compressor is overloaded. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a multifunctional complementary comprehensive energy supply system and an energy supply method for a large-scale park, which solve the problem of overhigh temperature of a compression chamber caused by insufficient utilization of heat energy in the compression chamber of an air compressor. The multifunctional complementary comprehensive energy supply system for the large-scale park comprises an air compressor and a driving motor, wherein a cooling complementary assembly for cooling and complementing lubricating oil is arranged at the upper end of the air compressor, a reciprocating compression assembly is arranged at the upper end of the air compressor, and an oil guide assembly for automatically lubricating the reciprocating compression assembly is arranged at the upper end of the air compressor; The cooling complementary assembly comprises a compression shell fixedly arranged at the upper end of the air compressor, a plurality of oil outlet holes and oil seepage holes are formed in the outer side of the compression shell, a plurality of oil fixing rings are fixedly arranged on the outer surface of the compression shell, the oil outlet holes and the outer sides of the oil seepage holes corresponding to the inner communication of the oil fixing rings are fixedly arranged on the outer sides of the oil fixing rings, and a complementary curved pipe is arranged between the two oil conveying pipes. Preferably, the reciprocating compression assembly comprises a driving crankshaft rotatably arranged on the inner surface of the compression shell, a driving wheel is fixedly arranged at one end of the driving crankshaft, which is positioned outside the compression shell, and a driving belt is rotatably arranged between the output shaft of the driving motor and the driving wheel. Preferably, the driving crankshaft outer surface is rotationally provided with a driven crankshaft, the inner surface of the compression shell is fixedly provided with a limiting ring, the middle part of the limiting ring is slidably provided with a compression rod, one end of the compression rod is rotationally connected with the outer surface of the driven crankshaft, the other end of the compression rod is fixedly provided with a compression plate, and the compression plate slides on the inner surface of the compression shell. Preferably, the oil guide assembly comprises a bottom plate fixedly arranged at the upper end of the limi