CN217270668U

CN217270668U - Efficient energy-saving air compressor

Info

Publication number: CN217270668U
Application number: CN202123194929.7U
Authority: CN
Inventors: 范莉平; 杨兆权; 董思成
Original assignee: Zhongneng Hengtai Hainan Low Carbon Technology Co Ltd
Current assignee: Zhongneng Hengtai Hainan Low Carbon Technology Co Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-08-23
Anticipated expiration: 2031-12-20

Abstract

The utility model provides a high-efficiency energy-saving air compressor, which comprises a driving motor, a host, an oil-gas separator and an oil-gas cooler, wherein the output end of the driving motor is connected with the host in a transmission way, and the output port of the host is communicated with the oil-gas separator through an oil-gas pipe; the oil cooler comprises a cavity, an air cooling coil and an oil cooling coil which are arranged in the cavity, and a cold water inlet and a cold water outlet which are communicated with the interior of the cavity, wherein an outlet at the upper part of the oil-gas separator is connected with an inlet of the air cooling coil through a hot air pipe, an outlet of the air cooling coil is connected to an air storage tank, an outlet at the lower part of the oil-gas separator is connected with an inlet of the oil cooling coil through a hot oil pipe, and an outlet of the oil cooling coil is communicated with a host through an oil conveying pipe. The utility model discloses showing the discharge temperature who has reduced air and oil, avoiding causing thermal pollution to turn into the electric energy with the heat and save, energy-concerving and environment-protective, the heat utilization efficiency is high.

Description

Efficient energy-saving air compressor

Technical Field

The utility model relates to an air compressor machine technical field particularly, relates to a high-efficient energy-saving air compressor machine.

Background

The air compressor is a device for compressing gas, is the most common power device in industrial and mining enterprises, and can be divided into a reciprocating type air compressor, a screw type air compressor and a large-scale centrifugal type air compressor, wherein the oil injection screw type air compressor is used mostly.

The air compressor generates a large amount of heat during the process of compressing air, resulting in the temperature of the compressed air rising. The existing air compressor cooling water system is designed to dissipate heat by using a cooling tower, but the heat dissipation effect is often poor, and heat is not recycled, so that energy is greatly wasted; on the other hand, the environmental temperature is raised, the greenhouse effect is intensified, and the heat pollution is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-efficient air compressor machine, the radiating effect of having solved prior art cavity press is not good, and the heat is not recycle, causes thermal pollution's problem.

In order to solve the technical problem, the utility model discloses a technical scheme is: an output end of the driving motor is in transmission connection with the host machine and is used for sucking air and oil and mixing the air and the oil to form an oil-gas mixture, and an output port of the host machine is communicated with the oil-gas separator through an oil-gas pipe; the oil-gas cooler comprises a cavity, an air-cooling coil pipe, an oil-cooling coil pipe, a cold water inlet and a cold water outlet, wherein the air-cooling coil pipe and the oil-cooling coil pipe are arranged in the cavity, the cold water inlet and the cold water outlet are communicated with the interior of the cavity, the outlet at the upper part of the oil-gas separator is connected with the inlet of the air-cooling coil pipe through a hot air pipe, the outlet of the air-cooling coil pipe is connected with the inlet of the air-cooling coil pipe, the outlet at the lower part of the oil-gas separator is connected with the inlet of the oil-cooling coil pipe through a hot oil pipe, the outlet of the oil-cooling coil pipe is led into a host machine through an oil pipe, the cold water inlet and the cold water outlet are respectively used for flowing in and flowing out cooling water, the thermoelectric generator comprises a heat conduction box and a cold conduction box, and a thermoelectric generation sheet arranged between the heat conduction box and the cold conduction box, the inlet of the heat conduction box is connected with the outlet of the oil-cooling coil pipe, the outlet is connected with the cold conduction box through a cold water branch pipe, and the cold water outlet is connected with the cold water outlet through a cold water return pipe, the thermoelectric generation piece is electrically connected with a storage battery.

Preferably, the model of the thermoelectric generation piece is TEG 140.

Preferably, the air purifier further comprises a pre-filter and an air filter which are sequentially arranged at the air inlet of the main machine along the air inlet direction and are used for filtering impurities in the air.

Preferably, an air return pipe is connected between the air filter and the oil-gas separator, an electromagnetic valve is arranged on the air return pipe, the air return pipe passes through a space between the branch pipe and the outlet of the air filter, and a check valve is arranged on the branch pipe.

Preferably, the oil-gas pipe is provided with a one-way valve, the hot gas pipe is provided with a safety valve, and the outlet of the air-cooling coil pipe is provided with a ball valve.

Preferably, the oil pipeline is provided with an oil filter for filtering impurities contained in the oil.

Preferably, the cold water inlet and the cold water outlet are respectively communicated with the outlet and the inlet of the domestic water tank.

Compared with the prior art, the beneficial effects of the utility model include: the air-cooling coil and the oil-cooling coil are arranged in the oil-gas cooler, and the cooling water is introduced into the cavity of the oil-gas cooler, so that the heat exchange between the air and the oil and the cooling water is sufficient, the discharge temperature of the air and the oil is obviously reduced, the thermal pollution is avoided, the cooling water can act as domestic water after absorbing heat, and the waste of the heat is greatly reduced; through the arrangement of the thermoelectric generator, air and oil cooled by the oil-gas cooler are introduced into the thermoelectric generator, so that the temperature of the air and the oil is further reduced, heat is converted into electric energy to be stored, and the thermoelectric generator is energy-saving, environment-friendly and high in heat utilization efficiency.

Drawings

The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts.

Wherein:

fig. 1 is the utility model discloses energy-efficient air compressor's schematic structure diagram.

Reference numbers in the figures: the system comprises a driving motor 1, a main engine 2, a pre-filter 3, an air filter 4, an oil-gas separator 5, an oil-gas cooler 6, a cavity 601, an air cooling coil 602, an oil cooling coil 603, a cold water inlet 604, a cold water outlet 605, a temperature difference generator 7, a heat conduction box 701, a cold conduction box 702, a temperature difference power generation sheet 703, a storage battery 8, a one-way valve 9, a gas return pipe 10, an oil-gas pipe 11, a hot gas pipe 12, a hot oil pipe 13, a cold oil pipe 14, an oil delivery pipe 15, a cold water branch pipe 16, a cold water return pipe 17, a spherical valve 18, an electromagnetic valve 19, a safety valve 20 and an oil filter 21.

Detailed Description

It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.

An embodiment according to the present invention is shown in conjunction with fig. 1. The utility model provides a high-efficient energy-saving air compressor machine, includes driving motor 1, host computer 2, oil and gas separator 5 and oil gas cooler 6, and driving motor 1 output links to each other with the transmission of host computer 2 for inhale air and oil and mix it and form the oil gas mixture, and host computer 2 delivery outlet is linked together through oil gas pipe 11 and oil and gas separator 5. The main machine 2 is a dual stage compression screw main machine 2.

The oil-gas cooler comprises a cavity 601, an air-cooling coil 602 and an oil-cooling coil 603 which are arranged inside the cavity 601, and a cold water inlet 604 and a cold water outlet 605 which are communicated with the inside of the cavity 601, wherein an outlet at the upper part of the oil-gas separator 5 is connected with an inlet of the air-cooling coil 602 through a hot air pipe 12, an outlet of the air-cooling coil 602 is connected with an air storage tank, an outlet at the lower part of the oil-gas separator 5 is connected with an inlet of the oil-cooling coil 603 through a hot oil pipe 13, an outlet of the oil-cooling coil 603 is communicated with the host machine 2 through an oil conveying pipe 15, and the cold water inlet 604 and the cold water outlet 605 are respectively used for flowing in and flowing out cooling water. For example, the cold water inlet 604 and the cold water outlet 605 communicate with the outlet and inlet of the domestic water tank, respectively. The oil delivery pipe 15 is provided with an oil filter 21 for filtering impurities contained in the oil.

In this embodiment, the air compressor further comprises a pre-filter 3 and an air filter 4 which are sequentially arranged at the air inlet of the main machine 2 along the air inlet direction, and are used for filtering impurities in the air. An air return pipe 10 is connected between the front end of the air filter 4 and the oil-gas separator 5, an electromagnetic valve 19 is arranged on the air return pipe 10, the air return pipe 10 is connected with an outlet of the air filter 4 through a branch pipe, and a check valve 9 is arranged on the branch pipe. When the pressure in the gas-oil separator 5 is too high, the electromagnetic valve 19 can be opened to send partial air to the front end of the air filter 4 so as to adjust the pressure in the gas-oil separator 5 within a specified range. The oil gas pipe 11 is provided with a one-way valve 9 for preventing the oil gas mixture from flowing backwards. The hot air pipe 12 is provided with a safety valve 20, and when the air pressure in the hot air pipe 12 exceeds a set threshold value, the pressure is automatically released, so that explosion accidents are prevented. The outlet of the air cooling coil 602 is provided with a ball valve 18 for controlling the discharge flow of the compressed air.

In this embodiment, the air compressor further includes a thermoelectric generator 7 disposed between the oil-gas cooler 6 and the host machine 2, the thermoelectric generator 7 includes a heat conduction box 701 and a cold conduction box 702, and a thermoelectric generation sheet 703 disposed between the heat conduction box 701 and the cold conduction box 702, an inlet of the heat conduction box 701 is connected to an outlet of the oil cooling coil 603, an outlet of the heat conduction box 701 is connected to the host machine 2, an inlet of the cold conduction box 702 is connected to a cold water inlet 604 through a cold water branch pipe 16, an outlet of the cold conduction box 702 is connected to a cold water outlet 605 through a cold water return pipe 17, and the thermoelectric generation sheet 703 is electrically connected to the storage battery 8.

Specifically, the model of the thermoelectric generation chip 703 is TEG 140. The thermoelectric generation sheet 703 directly converts thermal energy into electric energy by utilizing the seebeck effect, and one side of a device (thermoelectric material) composed of semiconductor elements in which p-type thermoelectric materials and n-type thermoelectric materials are combined is maintained at a low temperature and the other side is maintained at a high temperature, so that the high-temperature side of the device conducts thermal energy to the low-temperature side and generates heat flow, and electric energy is generated in the thermoelectric generation sheet 703.

The embodiment discloses a high-efficiency energy-saving air compressor, during operation, driving motor 1 drives host computer 2 to operate, after host computer 2 operates, inhale the air in host computer 2 through leading filter 3 and air cleaner 4, simultaneously because the pressure differential between defeated oil pipe 15 and host computer 2 brings a small amount of lubricating oil into host computer 2 and forms the oil-gas mixture, the oil-gas mixture is compressed to rated pressure and is gone into to separate most oil in oil separator 5, air and oil after the separation get into respectively and carry out the heat transfer in air-cooled coil pipe 602 and the oil-cooled coil pipe 603 of oil gas cooler 6, reduce self temperature, the rethread further reduces the temperature in thermoelectric generator 7, convert heat energy into the electric energy simultaneously and save.

To sum up, the beneficial effects of the utility model include: the air-cooled coil 602 and the oil-cooled coil 603 are arranged in the oil-gas cooler 6, and cooling water is introduced into the cavity 601 of the oil-gas cooler 6, so that the air and the oil exchange heat with the cooling water fully, the discharge temperature of the air and the oil is reduced remarkably, thermal pollution is avoided, the cooling water can be used as domestic water after absorbing heat, and the waste of heat is reduced greatly; through the arrangement of the thermoelectric generator 7, air and oil cooled by the oil-gas cooler 6 are introduced into the thermoelectric generator 7, so that the temperature of the air and the oil is further reduced, heat is converted into electric energy to be stored, energy is saved, the environment is protected, and the heat utilization efficiency is high. The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and changes to the above embodiments without departing from the technical spirit of the present invention, and these modifications and changes should fall within the protection scope of the present invention.

Claims

1. An efficient energy-saving air compressor is characterized by comprising a driving motor, a main machine, an oil-gas separator, an oil-gas cooler and a thermoelectric generator arranged between the oil-gas cooler and the main machine, wherein the output end of the driving motor is in transmission connection with the main machine and used for sucking air and oil and mixing the air and the oil to form an oil-gas mixture, the output port of the main machine is communicated with the oil-gas separator through an oil-gas pipe, the oil-gas cooler comprises a cavity, an air-cooling coil pipe and an oil-cooling coil pipe which are arranged in the cavity, and a cold water inlet and a cold water outlet which are communicated with the cavity, the upper outlet of the oil-gas separator is connected with the inlet of the air-cooling coil pipe through a hot gas pipe, the outlet of the air-cooling coil pipe is connected with an air storage tank, the lower outlet of the oil-gas separator is connected with the inlet of the oil-cooling coil pipe through a hot oil pipe, and the outlet of the oil-cooling coil pipe is communicated with the main machine through an oil pipe, the thermoelectric generator comprises a heat conduction box, a cold conduction box and a thermoelectric generation piece, wherein the heat conduction box and the thermoelectric generation piece are arranged between the heat conduction box and the cold conduction box, the inlet of the heat conduction box is connected with the outlet of the oil cooling coil pipe, the outlet of the heat conduction box is connected with a host, the inlet of the cold conduction box is connected with the cold water inlet through a cold water branch pipe, the outlet of the cold conduction box is connected with the cold water outlet through a cold water return pipe, and the thermoelectric generation piece is electrically connected with a storage battery.

2. The air compressor as claimed in claim 1, wherein the thermoelectric generation element is TEG 140.

3. The air compressor of claim 1, further comprising a pre-filter and an air filter sequentially disposed at the air inlet of the main unit along the air inlet direction, for filtering impurities in the air.

4. The efficient energy-saving air compressor as claimed in claim 3, wherein an air return pipe is connected between the air filter and the oil-gas separator, the air return pipe is provided with an electromagnetic valve, the air return pipe is connected with an outlet of the air filter through a branch pipe, and the branch pipe is provided with a check valve.

5. The air compressor as claimed in claim 1, wherein a check valve is disposed on the oil-gas pipe, a safety valve is disposed on the hot-gas pipe, and a ball valve is disposed at an outlet of the air-cooling coil.

6. The air compressor of claim 1, wherein the oil pipe is provided with an oil filter for filtering impurities contained in the oil.

7. The air compressor as claimed in claim 1, wherein the cold water inlet and the cold water outlet are respectively communicated with the outlet and the inlet of the domestic water tank.