TW201606250A - Oil-free purification system for compressed air - Google Patents

Abstract

An oil-free purification system for compressed air comprises an oil-type air compressor for supplying compressed air, and a low-temperature filtering and drying system comprising a nano glass fiber filter and a first heat exchanger. The first heat exchanger may reduce the temperature of the compressed air. The present invention utilizes the low temperature and deceleration to increase the oil viscosity and enlarge the water molecules, such that the water droplets may be easily impacted with the oil mist to be covered; accelerating the condensing speed to form oil droplets; and then being filtered and collected by the nano glass fiber to be recovered as large oil droplets; then being actively discharged by the electric automatic sewage discharge device, so as to output the clean and oil-free air.

Description

Compressed air oil-free purification system

The invention provides a technical field of an air compressor, in particular to a technically provided compressed air oil-free purification system, which can be filtered at a low temperature to increase oil viscosity and water molecules, and is easy to be covered by water droplets and oil mist. The condensation rate is accelerated to reach the oil droplets, and is collected by the nano glass fiber filter, and is recovered as a large oil droplet to be taken out actively, so as to supply clean and oil-free air.

Clean and oil-free air is an urgent need of today's precision industry, and the use of energy-saving is the goal of the industry. The factory has no effective countermeasures, and the air compressor accounts for more than 40% of the power consumption of the factory. Therefore, a good method Improvement is the best tool to enhance the competitiveness of the industry. In the market, most of the conventional air purification filters are rapidly filtered at a rate of 24 cm/s or more, and such rapid filtration inevitably causes a problem of a decrease in filtration quality. The use of oil-free air compressors is lacking in energy consumption. In terms of cost-effectiveness, it is obviously too costly and too inefficient. The traditional freeze dryer has the following: First, the pulse buffer space is small. Second, the pre-cooling zone has a fast flow rate, resulting in poor water condensation. Third, the horizontal condenser has poor water separation effect.

Therefore, in view of the problems existing in the above-mentioned conventional structure, such as How to develop an innovative structure that is more ideal and practical, and consumers are eagerly awaiting it, and it is also the goal and direction of relevant industry players to work hard to develop breakthroughs.

In view of this, the inventor has been engaged in the manufacturing development and design experience of related products for many years. After detailed design and careful evaluation, the inventor has finally obtained the practical invention.

In order to solve the above problems, the present invention provides a compressed air oil-free purification system, comprising: an oil-type air compressor, the oil-type air compressor provides compressed air, and a low-temperature filter drying system includes a nano glass a fiber filter and a first heat exchanger, the first heat exchanger reduces the temperature of the compressed air, and the low temperature deceleration causes the oil viscosity to increase, the water molecules become large, and the water droplets are easily coated with the oil mist to form a condensation speed. Accelerate to reach the oil droplets, and be collected by the nano glass fiber filter, and return to the large oil droplets to be taken out by the electronic automatic sewage trap to achieve clean and oil-free air output.

In order to solve the above problems, the present invention provides a compressed air oil-free purification system, which is also capable of first exchanging heat with a compressed air output pipe on a supply line, and first pre-cooling the gas in the compressed air output pipe, and supplying the pipeline The internal gas raises its temperature so that the supply line can provide compressed air supply machinery that removes moisture, oil and dirt, ensuring proper operation of the machine and reducing the failure rate.

The technology, the means and the effects thereof used in the present invention will be described in detail with reference to the drawings. The purpose, structure and characteristics of the description can be obtained from an in-depth and specific understanding.

10‧‧‧ Oily air compressor

11‧‧‧Compressed air outlet tube

20‧‧‧Cryogenic Filtration Drying System

21‧‧‧First heat exchanger

22‧‧‧Nano fiberglass filter

23‧‧‧Electronic automatic drainer

231‧‧‧Sewage line

24‧‧‧Draining solenoid valve

30‧‧‧Freezing unit

31‧‧‧pipe

40‧‧‧Supply pipeline

50‧‧‧second heat exchanger

60‧‧‧drainage line

A‧‧‧Molecular

B‧‧‧Molecular small

The first figure is a system flow diagram of an embodiment of the invention.

The second figure is a system flow diagram of the cryogenic filtration drying system of the present invention.

The third figure is a partial cross-sectional view of the nanoglass filter of the present invention.

The fourth figure is a high-order microscopic enlargement diagram of the nanoglass fiber assembly recovery large oil droplet of the present invention.

The present invention provides a designer of a compressed air oil free purification system.

In order to enable the reviewing committee to have a better understanding and understanding of the purpose, features and functions of the present invention, the embodiments and the drawings are described in detail below. Referring to the first to fourth figures, the present invention provides a compressed air. The oil-free purification system comprises: an oil-type air compressor 10, the oil-type air compressor 10 provides compressed air, the air compressor 10 is provided with a compressed air output pipe 11, and a low-temperature filter drying system 20, the aforementioned The low temperature filter drying system 20 includes a first heat exchanger 21, the first heat exchanger 21 is disposed in the low temperature filter drying system 20, and the first heat exchanger 21 is coupled to the compression. The air outlet pipe 11, the first heat exchanger 21 decelerates the compressed air and lowers the temperature of the compressed air to a low temperature state, so that the low temperature molecules are larger than the high temperature molecules; the nano glass fiber filter 22, the nano glass fiber filter 22 is disposed at Above the first heat exchanger 21 in the low temperature filtration drying system 20, the compressed air is decelerated at a low temperature, and the humid oil mist gas is subjected to the law of van der Waals to increase the molecular impact and make the gaseous water And the oil molecules gradually become larger from the small agglomeration, and form large oil droplets and water droplets, from the combination to the collection to the condensation to the recovery to the reduction to more than 3 micrometers; an electronic automatic sewage trap 23, the aforementioned electronic automatic sewage disposal The device 23 is connected to the bottom of the nano glass fiber filter 22 by a sewage line 231 to actively pump water and oil out of the nano glass fiber filter 22; the output of the low temperature filter drying system 20 is terminated with a supply line 40. It is possible to output pure (PURE) oil-free air; a freezing unit 30, which is connected to the first heat exchanger 21 by a line 31, and provides a bottom temperature to the first heat exchanger 21 by the freezing unit 30, with the first heat Exchanger 21 cooled compressed air to a low temperature state.

The present invention provides a compressed air oil-free purification system in which a discharge solenoid valve 24 is disposed below the low temperature filter drying system 20 to discharge the condensed water in the low temperature filter drying system 20 by the discharge solenoid valve 24.

By the combination of the above, the present invention utilizes the principle of excellent low-temperature condensing filtration efficiency (effect), decelerating and immediately separating the discharge and the like to re-purify the clean air. The invention can achieve energy saving of 40%, the construction cost is reduced by 50%, and the durability is increased by 50%. The invention utilizes low temperature condensing filtration efficiency (effect) to be excellent The principle is that the compressed air is oil-free and more purified, and the best equipment is designed to surpass the energy-saving of the oil-free air compressor, so that the air compressor is no longer the most energy-consuming equipment in the factory. The invention can achieve pure oil-free, energy-saving and energy-saving.

Condensing over the enthalpy, making the air more pure (PURE) oil-free, using low temperature to increase the viscosity of the oil, the water molecules become larger, and the water droplets are easily covered by the oil mist (IMPACT), forming a condensation speed to accelerate the oil droplets, and The rice glass fiber is collected and recovered into large oil droplets, and then taken out actively by the electronic automatic sewage trap 23, so that the compressed air sent out can achieve the effect of clean and oil-free air.

The clean air is outputted from a supply line 40 connected to the low temperature filter drying system 20, and the supply line 40 is provided with a second heat exchanger 50, and the second heat exchanger 50 is connected to the compressed air output pipe 11 for supply. The low-temperature compressed gas in the pipeline 40 is first exchanged with the high-temperature compressed air in the compressed air outlet pipe 11, and the gas in the compressed air outlet pipe 11 is first pre-cooled, and then the pre-cooled gas is connected to the first flow conduit 60. A heat exchanger 21.

It can be seen from the above that the compressed air oil-free purification system of the present invention is indeed the first in the industry and meets the novel requirements of the invention patent, and it achieves pure oil-free, energy-saving and power-saving, and is in line with better industrial utilization.

The present invention has been described with reference to the preferred embodiments of the present invention. However, those skilled in the art can change and modify the present invention without departing from the spirit and scope of the invention. Such changes and modifications shall be covered in the scope defined by the following patent application.

In summary, the present invention provides a compressed air oil-free purification system, which has indeed achieved all the objects of the present invention, and the spatial type of the combined structure is not found in the same type of products, nor has it been disclosed before the application, and has been in compliance with the patent. The provisions of the law, 提出 apply in accordance with the law.

10‧‧‧ Oily air compressor

11‧‧‧Compressed air outlet tube

20‧‧‧Cryogenic Filtration Drying System

21‧‧‧First heat exchanger

22‧‧‧Nano fiberglass filter

24‧‧‧Draining solenoid valve

30‧‧‧Freezing unit

31‧‧‧pipe

40‧‧‧Supply pipeline

50‧‧‧second heat exchanger

60‧‧‧drainage line

Claims (3)

A compressed air oil-free purification system comprising: an oil-type air compressor, the oil-type air compressor provides compressed air, the oil-type air compressor is provided with a compressed air output pipe; a low-temperature filter drying system, the aforementioned low temperature The filter drying system comprises a first heat exchanger, wherein the first heat exchanger is installed in a low temperature filter drying system, and the first heat exchanger is connected to the compressed air output pipe, and the first heat exchanger decelerates and reduces compression of the compressed air. The air temperature is at a low temperature, so that the low temperature molecules are larger than the high temperature molecules; the nano glass fiber filter is disposed above the first heat exchanger in the low temperature filtration drying system, and the compressed air is decelerated at a low temperature. The humid oil mist gas is subjected to the law of van der Waals to increase the molecular impact, so that the gaseous water and oil molecules gradually become larger and larger, and form large oil droplets and water droplets. Collecting to condense to return to reduction to greater than 3 microns (micrion); an electronic automatic drainer, the aforementioned electronic automatic blower in a row The pipeline is connected to the bottom of the nano glass fiber filter to actively pump water and oil out of the nano glass fiber filter; the output of the low temperature filtration drying system is connected to a supply pipeline to output pure (PURE) oil-free air; And a freezing unit, the freezing unit is connected to the first heat exchanger by a pipeline, the freezing unit provides a low temperature to the first heat exchanger, and the first heat exchanger cools the compressed air to a low temperature state. The compressed air oil-free purification system as described in claim 1 a second heat exchanger is disposed on the supply pipeline, and the second heat exchanger is connected to the compressed air outlet pipe, so that the low-temperature compressed gas in the supply pipeline is first exchanged with the high-temperature compressed air in the compressed air outlet pipe. The gas in the compressed air outlet pipe is first pre-cooled, and the pre-cooling gas is connected to the first heat exchanger by a flow guiding line. The compressed air oil-free purification system according to claim 1, wherein a discharge electromagnetic valve is disposed under the low-temperature filter drying system.