Screw air compressor suitable for textile industry

By adopting a parallel cooling and filtration structure and an airless heat exchanger in screw air compressors used in the textile industry, the problems of dust accumulation and insufficient lubricating oil supply in air compressors have been solved, improving equipment operation stability and production efficiency, and reducing maintenance costs.

CN223825251UActive Publication Date: 2026-01-23XINLEI COMPRESSOR CO LTD
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Patent Information

Application Number
CN202520950455.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-14
Publication Date
2026-01-23
Estimated Expiration
2035-05-14

AI Technical Summary

Technical Problem

In the textile industry, air compressors are prone to dust accumulation, have low operating efficiency and short lifespan, and the cooling system unnecessarily increases complexity and cost. Insufficient lubricating oil supply pressure increases energy consumption and maintenance complexity.

Method used

It adopts a screw air compressor suitable for the textile industry, which includes a parallel cooling and filtration structure, an airless heat exchanger and straight pipe connection, eliminates the aftercooler, enhances filtration capacity, simplifies the structure, and reduces energy consumption and maintenance costs.

Benefits of technology

It improves the operational stability and production efficiency of air compressors, reduces equipment complexity and maintenance costs, extends equipment life, and is suitable for the actual needs of the textile industry.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a screw air compressor suitable for the textile industry. The screw air compressor comprises a box body, a filter assembly, an air compression assembly, a cooling assembly and an oil mist separation assembly, an air outlet and a plurality of air inlets are formed in the box body, and a containing space is formed in the box body; the filtering assembly, the air compression assembly, the cooling assembly and the oil mist separation assembly are arranged in the containing space. The filter assembly is connected with the air compression assembly, the air compression assembly is connected with the oil mist separation assembly, and the oil mist separation assembly is connected with the air outlet; and the cooling assembly is arranged on the inner wall of the box body and is communicated with the compression assembly to form a parallel cooling and filtering structure. Through the arrangement, the air compressor is simpler in structure and lower in maintenance and operation cost. Meanwhile, an after-cooler is omitted, the complexity and the manufacturing cost of the equipment structure are reduced, and the actual requirements of the textile industry are effectively met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air compressor technology field especially relates to a screw air compressor suitable for textile industry. BACKGROUND

[0002] In the textile industry, compressed air is widely used in air jet looms, pneumatic transmission, dust collection equipment and other production equipment as the main power source. However, the production environment of the textile industry is generally characterized by a lot of dust and a lot of lint impurities. These foreign matters are extremely easy to enter the air compressor system during long-time operation of the equipment, resulting in serious dust accumulation inside the air compressor, thereby affecting its normal operation efficiency and service life.

[0003] The existing air compressor adopts a three-kilogram low-pressure gas supply structure with a rear cooler, which is designed to cool the gas in the textile scene. However, in fact, the textile industry does not have strict requirements on the temperature of the gas, and the cooling system is not necessary in such applications, but it increases the complexity and manufacturing cost of the equipment structure.

[0004] In addition, under long-time operation of the existing air compressor, with the decrease of the performance of the lubricating oil and the loss of the oil filter, the phenomenon of insufficient oil supply pressure of the main machine often occurs. In order to ensure the stable operation of the compressor, an oil pump must be additionally provided to increase the oil supply pressure, thereby increasing the energy consumption of the equipment operation, increasing the operation cost, and also increasing the complexity and frequency of system maintenance. SUMMARY

[0005] In order to solve the problems of the prior art, the purpose of the utility model is to provide a screw air compressor suitable for the textile industry. The air compressor has a simple structure and lower maintenance and operation cost.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A screw air compressor suitable for the textile industry, comprising: a box body, a filter assembly, an air compression assembly, a cooling assembly and an oil mist separation assembly; the box body is provided with a gas outlet and a plurality of air inlets, and a containing space is formed in the box body; the filter assembly, the air compression assembly, the cooling assembly and the oil mist separation assembly are respectively arranged in the containing space; the filter assembly is connected with the air compression assembly, the air compression assembly is connected with the oil mist separation assembly, and the oil mist separation assembly is connected with the gas outlet; the cooling assembly is arranged on the inner wall of the box body and communicates with the compression assembly, forming a parallel cooling and filtering structure.

[0008] Further, the air inlet is provided with a filter air inlet device, which is used to connect an external air source and filter external air.

[0009] Further, the filter air inlet device is a long air filter hose.

[0010] Furthermore, a filter screen is also provided on the air intake, and the filter screen is at least partially located within the receiving space.

[0011] Furthermore, the cooling component is an airless heat exchanger.

[0012] Furthermore, the thickness parameter of the airless heat exchanger is less than the standard thickness parameter of the corresponding heat exchanger, and the fin density parameter inside the airless heat exchanger is less than the standard fin density parameter of the corresponding heat exchanger.

[0013] Furthermore, the connecting pipe between the oil mist separation component and the air outlet is a straight pipe.

[0014] The aforementioned screw air compressor, suitable for the textile industry, features a simple internal structure. By connecting the cooling components and oil mist separation components in a parallel cooling and filtration configuration, it reduces the pressure drop of lubricating oil as it passes through the oil filter, ensuring stable oil supply pressure after prolonged operation, reducing malfunctions, and improving production efficiency. Furthermore, eliminating the need for an aftercooler reduces the complexity of the equipment structure and manufacturing costs, effectively meeting the practical needs of the textile industry. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of a screw air compressor provided by this utility model. Detailed Implementation

[0016] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0017] like Figure 1 As shown, this application provides a screw air compressor suitable for the textile industry, which includes: a housing 1, a filter assembly 2, an air compression assembly 3, a cooling assembly 4, and an oil mist separation assembly 5.

[0018] Specifically, the housing 1 is provided with an air outlet 11 and several air inlets 12, forming a receiving space inside the housing 1. A filter assembly 2, an air compression assembly 3, a cooling assembly 4, and an oil mist separation assembly 5 are respectively arranged within the receiving space. The filter assembly 2 is connected to the air compression assembly 3 and is used to draw in air and filter out impurities. The air compression assembly 3 is connected to the oil mist separation assembly 5 and includes a compression rotor 31 and a drive motor 32 for driving the compression rotor 31. The oil mist separation assembly 5 is connected to the air outlet 11 and is used to separate oil mist from the gas discharged from the air compression assembly 3. The cooling assembly 4 is installed on the inner wall of the housing 1 and communicates with the compression assembly, forming a parallel cooling and filtration structure. In the parallel cooling and filtration structure, the cooling assembly 4 is connected in parallel with the gas flow path. A traditional series cooling and filtration structure has a heat exchanger air-cooling section connected in series between the oil mist separation assembly 5 and the air outlet 11 to dissipate heat from the high-temperature gas discharged from the oil mist separation assembly 5.

[0019] With the above configuration, the air compressor has a more compact structure and a more rational layout. By using a parallel cooling and filtration structure, the oil pump can be eliminated. Instead, adjustments to the oil pipe diameter reduce pipeline losses, and optimization of the oil cooler's internal structure reduces oil pressure loss. This lowers the pressure drop of the lubricating oil as it passes through the oil filter, ensuring the stability of the oil supply pressure after long-term operation, reducing malfunctions, and improving production efficiency. Furthermore, compared to the traditional series cooling and filtration structure, the parallel cooling and filtration structure eliminates the air-cooled portion of the heat exchanger, reducing pressure loss and effectively decreasing overall energy consumption.

[0020] An air inlet 12 is equipped with a filter air intake device, which connects to an external air source and filters the external air, effectively improving the air quality entering the housing 1 and enhancing the system's front-end protection capabilities. For the textile industry, this significantly reduces the probability of impurities such as textile fibers and lint entering the equipment, lowers the risk of clogging and wear, extends the filter replacement cycle, and reduces maintenance costs.

[0021] Specifically, the air intake filtration device is a long air filter hose. The long air filter hose is made of heat-resistant and corrosion-resistant composite materials, which reduces the mechanical load on the compressor body and can significantly improve the quality of the intake air.

[0022] An air inlet 12 is also equipped with a filter, which is at least partially located within the receiving space. This filter further enhances the front-end filtration capability of the air compressor, making it particularly suitable for environments with high levels of suspended fibers, such as those found in the textile industry. Simultaneously, the filter's simple structure, low cost, and ease of cleaning and replacement further reduce system operating and maintenance costs, while improving the overall system stability and reliability.

[0023] More specifically, the cooling component 4 is an airless heat exchanger, which reduces the consumption of the air-cooled part and the power used by the machine, and the impact of blockage can be reduced by adjusting the structure of the heat exchanger.

[0024] The thickness of the airless heat exchanger is smaller than the standard thickness of its counterpart, and the fin density is also smaller. Here, "corresponding heat exchanger" refers to heat exchangers of the same model containing an air-cooling device. Reducing the thickness allows for a more modular and lightweight compressor design, facilitating transportation, installation, and maintenance. Optimized fin density reduces cleaning difficulty during maintenance and minimizes cooling efficiency loss caused by dust and fiber clogging of fin gaps, making it particularly suitable for high-fiber, dusty environments in the textile industry. Overall, this improves system reliability and ease of maintenance.

[0025] Furthermore, the connection between the oil mist separation component 5 and the air outlet 11 is a straight pipe. This straight pipe structure improves the efficiency and stability of compressed air transmission, reduces energy loss, and minimizes pressure drop fluctuations caused by airflow interference. In addition, the structural simplicity allows for a more compact system piping layout, facilitating modular equipment design and on-site installation. The straight pipe design also offers better cleaning and maintenance convenience, making it particularly suitable for applications in the textile industry that require continuous operation and stable air supply. By reducing connection points, potential leakage points are lowered, thereby improving the system's sealing and safety.

[0026] The above description of embodiments of the present invention, through which those skilled in the art are able to implement or use the present invention, will be readily apparent to those skilled in the art. Various modifications to these embodiments will be readily apparent to those skilled in the art. The general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novelty disclosed herein.

Claims

1. A screw air compressor suitable for the textile industry, characterized in that, include: The enclosure (1), filter assembly (2), air compressor assembly (3), cooling assembly (4), and oil mist separation assembly (5) are provided with an air outlet (11) and several air inlets (12). The enclosure (1) forms a receiving space. The filter assembly (2), air compressor assembly (3), cooling assembly (4), and oil mist separation assembly (5) are respectively arranged in the receiving space. The filter assembly (2) is connected to the air compressor assembly (3), the air compressor assembly (3) is connected to the oil mist separation assembly (5), and the oil mist separation assembly (5) is connected to the air outlet (11). The cooling assembly (4) is installed on the inner wall of the enclosure (1) and communicates with the compressor assembly to form a parallel cooling and filtering structure.

2. The screw air compressor for the textile industry as described in claim 1, characterized in that, The air inlet (12) is equipped with a filter air intake device, which is used to connect to an external air source and filter the external air.

3. The screw air compressor for the textile industry as described in claim 2, characterized in that, The air filtration inlet device is a long air filter hose.

4. The screw air compressor for the textile industry as described in claim 2, characterized in that, The air inlet (12) is also provided with a filter screen, which is at least partially disposed within the accommodating space.

5. The screw air compressor for the textile industry as described in claim 1, characterized in that, The cooling component (4) is an airless heat exchanger.

6. The screw air compressor for the textile industry as described in claim 5, characterized in that, The thickness parameter of the airless heat exchanger is less than the standard thickness parameter of the corresponding heat exchanger, and the fin density parameter inside the airless heat exchanger is less than the standard fin density parameter of the corresponding heat exchanger.

7. The screw air compressor for the textile industry as described in claim 1, characterized in that, The connecting pipe between the oil mist separation component (5) and the air outlet (11) is a straight pipe.