阅读说明：本技术 一种小型风冷式离心空压机 (Small air-cooled centrifugal air compressor ) 是由 郭中纬 于 2020-12-24 设计创作，主要内容包括：本发明公开了一种小型风冷式离心空压机,其技术方案要点是：包括机体,还包括：动力电机,所述动力电机固定在所述机体上方；气动组件,所述气动组件转动连接在所述机体内用于抽取并压缩空气,所述动力带动所述所述气动组件动作；进气导叶阀,所述进气导叶阀安装在所述气动组件的端部；铝板翅冷却器,所述铝板翅冷却器安装在所述机体上；轴流风机,所述轴流风机安装在所述机体上用于对所述铝板翅冷却器进行冷却；油箱和油路系统；本小型风冷式离心空压机不需要单独对其增设冷却水,依靠轴流风机带动空气对离心空压机进行冷却,填充了离心空压机中风冷机型的技术空白。(The invention discloses a small air-cooled centrifugal air compressor, which adopts the technical scheme that: including the organism, still include: the power motor is fixed above the machine body; the pneumatic assembly is rotatably connected in the machine body and used for extracting and compressing air, and the power drives the pneumatic assembly to act; an inlet guide vane valve mounted at an end of the pneumatic assembly; an aluminum plate fin cooler mounted on the housing; the axial flow fan is arranged on the machine body and used for cooling the aluminum plate fin cooler; an oil tank and an oil path system; this small-size air-cooled centrifugal air compressor machine need not add the cooling water to it alone, relies on axial fan to drive the air and cools off centrifugal air compressor machine, has filled the technical blank of air-cooled type among the centrifugal air compressor machine.)

1. The utility model provides a small-size air-cooled centrifugal air compressor, includes organism (13), its characterized in that: further comprising:

the power motor is fixed above the machine body (13);

the pneumatic component (2) is rotationally connected in the machine body (13) and used for extracting and compressing air, and the power drives the pneumatic component (2) to act;

the air inlet guide vane valve (1), the air inlet guide vane valve (1) is installed at the end part of the pneumatic assembly (2);

an aluminum plate fin cooler (8), the aluminum plate fin cooler (8) being mounted on the machine body (13);

the axial flow fan (7), the said axial flow fan (7) is installed on said organism (13) and used for cooling the said aluminium plate fin cooler (8);

the cooling system comprises an oil tank (10) and an oil way system (6), wherein the aluminum plate fin cooler (8) is used for cooling the oil way system (6), the oil way system (6) is connected to the oil tank (10) in a circulating mode, and the oil way system (6) is used for cooling the pneumatic assembly (2).

2. The small air-cooled centrifugal air compressor according to claim 1, characterized in that: the air inlet guide vane valve (1) is an electric 7-9 flap type air inlet guide vane valve.

3. The small air-cooled centrifugal air compressor according to claim 1, characterized in that: the power motor with pneumatic component (2) are connected with gear box (3), power motor's transmission shaft pass through the shaft coupling with the input of gear box (3) is connected, pneumatic component (2) with the output shaft of gear box (3) is connected, gear box (3) are fixed through gear box support (11) on organism (13).

4. The small air-cooled centrifugal air compressor according to claim 1, characterized in that: the oil circuit system (6) comprises a main oil pump, a lubricating oil pipe, an auxiliary oil pump and an oil mist separator, wherein the lubricating oil pipe is connected to the oil tank (10) and connected to a lubricating point of the pneumatic assembly (2), and the main oil pump and the auxiliary oil pump are respectively installed on the machine body (13) and used for pumping oil bodies in the oil tank (10) and the lubricating oil pipe to circulate.

5. The small air-cooled centrifugal air compressor according to claim 1, characterized in that: the pneumatic assembly (2) adopts a centrifugal impeller which is a titanium alloy impeller.

6. The small air-cooled centrifugal air compressor according to claim 5, characterized in that: the centrifugal impeller is a backward-bent impeller.

7. The small air-cooled centrifugal air compressor according to claim 5, characterized in that: the pneumatic assembly (2) also comprises a diffuser which is used for reducing the flow speed of the gas and promoting the pressure to rise.

8. The small air-cooled centrifugal air compressor according to claim 1, characterized in that: the output pressure of the pneumatic assembly (2) is 0.6-16bar, and the output flow is 20-1000m 3/min.

9. The small air-cooled centrifugal air compressor according to claim 1, characterized in that: a rotating shaft in the pneumatic component (2) is supported by a tilting pad bearing, and the large gear drives the rotating shaft to be connected in the machine body (13).

Technical Field

The invention relates to the field of compressors, in particular to a small air-cooled centrifugal air compressor.

Background

Centrifugal air compressors used in general markets are mostly water-cooled centrifugal air compressors which are high in installation requirement, enterprises can normally operate only by providing high-quality cooling water, and the enterprises with small scales have different requirements on the centrifugal air compressors, such as maintenance, convenience, economy and infrastructure area, and the investment cost of users is greatly improved.

Disclosure of Invention

In view of the problems mentioned in the background art, the invention aims to provide a small air-cooled centrifugal air compressor to solve the problems mentioned in the background art.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a small-size air-cooled centrifugal air compressor, includes the organism, still includes:

the power motor is fixed above the machine body;

the pneumatic assembly is rotatably connected in the machine body and used for extracting and compressing air, and the power drives the pneumatic assembly to act;

an inlet guide vane valve mounted at an end of the pneumatic assembly;

an aluminum plate fin cooler mounted on the housing;

the axial flow fan is arranged on the machine body and used for cooling the aluminum plate fin cooler;

the aluminum plate fin cooler is used for cooling the oil way system, the oil way system is circularly connected to the oil tank, and the oil way system is used for cooling the lubricating point of the pneumatic assembly.

By adopting the technical scheme, the small air-cooled centrifugal air compressor does not need to be additionally provided with cooling water independently, and is cooled by driving air by the axial flow fan, so that the technical blank of an air-cooled type in the centrifugal air compressor is filled; when the small air-cooled centrifugal air compressor is used, a power motor can be started, the power motor is utilized to drive a pneumatic assembly to operate, the pneumatic assembly is driven to rotate, gas is driven to be compressed and discharged, and air is fed through an air inlet guide vane valve; the axial flow fan can cool the aluminum plate fin cooler and the oil circuit system for cooling, cooling water does not need to be added to the aluminum plate fin cooler independently, the axial flow fan drives air to cool the centrifugal air compressor, and the technical blank of the air cooler type in the centrifugal air compressor is filled.

Preferably, the air inlet guide vane valve is an electric 7-9 flap type air inlet guide vane valve.

By adopting the technical scheme, the air inlet guide vane valve is more energy-saving and wider in flow adjusting range than a butterfly valve mechanism when adopting an electric 7-9-segment type air inlet guide vane.

Preferably, the power motor and the pneumatic assembly are connected with a gear box, a motor shaft of the power motor is connected with an input end of the gear box through a coupler, the pneumatic assembly is connected with an output shaft of the gear box, and the gear box is fixed on the machine body through a gear box support.

Through adopting above-mentioned technical scheme, can conveniently utilize power motor to drive pneumatic assembly and rotate through utilizing gear box and shaft coupling.

Preferably, the oil circuit system includes a main oil pump, a lubricating oil pipe, an auxiliary oil pump and an oil mist separator, the lubricating oil pipe is connected to the oil tank and connected to the pneumatic assembly, and the main oil pump and the auxiliary oil pump are respectively installed on the machine body and used for pumping oil circulation in the oil tank and the lubricating oil pipe.

Through adopting above-mentioned technical scheme, can make things convenient for the extraction of fluid through utilizing main oil pump and auxiliary oil pump, the rethread uses the lubricated oil pipe to reach the purpose lubricated and that cool down, and oil mist separator can guarantee the cleanliness factor of fluid.

Preferably, the pneumatic assembly adopts a centrifugal impeller, and the centrifugal impeller is a titanium alloy impeller.

Through adopting above-mentioned technical scheme, centrifugal impeller has higher compression ratio, and when adopting the titanium alloy impeller, it has better structural strength and life.

Preferably, the centrifugal impeller is a backward-curved impeller.

Through adopting above-mentioned technical scheme, the compression efficiency of recurved type impeller is great compared with the impeller of other shapes.

Preferably, the pneumatic assembly further comprises a diffuser for reducing the flow rate of the gas and increasing the pressure.

Through adopting above-mentioned technical scheme, the diffuser can reduce the velocity of flow of gas and increase pressure, promotes the compression in the pneumatic component.

Preferably, the output pressure of the pneumatic assembly is 0.6-16bar, and the output flow rate is 20-1000m 3/min.

By adopting the technical scheme, the centrifugal air compressor in the range can be freely selected and used by a user through reasonably selecting and matching pneumatic proportions such as the impeller, the diffuser and the like.

Preferably, the rotating shaft in the pneumatic assembly is rotatably connected in the machine body through a tilting pad bearing.

By adopting the technical scheme, the tilting pad bearing has the advantage of small friction coefficient.

In summary, the invention mainly has the following beneficial effects:

the small air-cooled centrifugal air compressor does not need to be additionally provided with cold air water independently, and the air is driven by the axial flow fan to cool the centrifugal air compressor, so that the technical blank of an air-cooled type in the centrifugal air compressor is filled; when the small air-cooled centrifugal air compressor is used, a power motor can be started, the power motor is utilized to drive a pneumatic assembly to operate, the pneumatic assembly is driven to rotate, gas is driven to be compressed and discharged, and air is fed through an air inlet guide vane valve; the axial flow fan can cool the aluminum plate fin cooler and the oil circuit system for cooling, cooling water does not need to be added to the aluminum plate fin cooler independently, the axial flow fan drives air to cool the centrifugal air compressor, and the technical blank of the air cooler type in the centrifugal air compressor is filled.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Reference numerals: 1. an intake guide vane valve; 2. a pneumatic assembly; 3. a gear case; 4. a coupling assembly; 5. a drive motor; 6. an oil circuit system; 7. an axial flow fan; 8. an aluminum plate fin cooler; 9. an electrical control system; 10. an oil tank; 11. a gearbox housing; 12. an exhaust pipe; 13. a body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, a small air-cooled centrifugal air compressor mainly includes the following parts:

a body 13 as a main body;

the power motor is fixed above the machine body 13;

the pneumatic component 2 is rotationally connected in the machine body 13 and used for extracting and compressing air, and the pneumatic component 2 is driven by power to act;

the air inlet guide vane valve 1 is arranged at the end part of the pneumatic component 2;

the aluminum plate fin cooler 8, the aluminum plate fin cooler 8 is installed on the machine body 13;

the axial flow fan 7 is mounted on the machine body 13 and used for cooling the aluminum plate fin cooler 8;

the air-cooled pneumatic component comprises an oil tank 10 and an oil way system 6, wherein the aluminum plate fin cooler 8 is used for cooling the oil way system 6, the oil way system 6 is circularly connected to the oil tank 10, and the oil way system 6 is used for cooling the pneumatic component 2.

Referring to fig. 1, the small air-cooled centrifugal air compressor does not need to be additionally provided with cold air water independently, and is cooled by driving air by an axial flow fan 7, so that the technical blank of an air cooler type in the centrifugal air compressor is filled; when the small air-cooled centrifugal air compressor is used, a power motor can be started, the power motor is utilized to drive the pneumatic component 2 to operate, the pneumatic component 2 is driven to rotate, the air is driven to be compressed and discharged, and air is introduced through the air inlet guide vane valve 1; the axial flow fan 7 can cool the aluminum plate fin cooler 8 and the oil circuit system 6 for cooling, cooling water does not need to be added to the aluminum plate fin cooler alone, the axial flow fan 7 is used for driving air to cool the centrifugal air compressor, and the technical blank of the air cooling type in the centrifugal air compressor is filled.

Referring to fig. 1, an intake guide vane valve 1 is an electric 7-9 flap type intake guide vane, on which an exhaust pipe 12 is installed, and when the intake guide vane valve 1 adopts the electric 7-9 flap type intake guide vane, the energy is saved and the flow adjusting range is wider than that of a butterfly valve mechanism; wherein power motor is connected with gear box 3 with pneumatic component 2, and power motor's motor shaft passes through the shaft coupling to be connected with gear box 3's input, and pneumatic component 2 is connected with gear box 3's output shaft, and gear box 3 passes through gear box support 11 to be fixed on organism 13, can conveniently utilize power motor to drive pneumatic component 2 and rotate through utilizing gear box 3 and shaft coupling.

Referring to fig. 1, wherein oil piping system 6 includes the main oil pump, the lubrication oil pipe, supplementary oil pump and mist separator, the lubrication oil union coupling is on oil tank 10 and connect at pneumatic subassembly 2, the main oil pump and supplementary oil pump are installed respectively and are used for extracting the oil body circulation in oil tank 10 and the lubrication oil pipe on organism 13, can make things convenient for the extraction of fluid through utilizing main oil pump and supplementary oil pump, the rethread uses the lubrication oil pipe to reach the purpose lubricated and cooled down, mist separator can guarantee the cleanliness factor of fluid.

Referring to fig. 1, the pneumatic assembly 2 adopts a centrifugal impeller, the centrifugal impeller is a titanium alloy impeller, the centrifugal impeller has a high compression ratio, and when the titanium alloy impeller is adopted, the centrifugal impeller has good structural strength and service life; the centrifugal impeller is a backward-bent impeller, and the compression efficiency of the backward-bent impeller is higher than that of impellers in other shapes.

Referring to fig. 1, there is also a diffuser in the pneumatic assembly 2, for reducing the flow rate of the gas and promoting the pressure rise, the diffuser being able to reduce the flow rate of the gas and increase the pressure, promoting the compression in the pneumatic assembly 2; wherein the output pressure of the pneumatic component 2 is 0.6-16bar, and the output flow is 20-1000m³Min, the centrifugal air compressor in the range can be conveniently and freely selected by an operator to use by limiting the output pressure and the output flow of the starting part; wherein the rotating shaft in the pneumatic assembly 2 is rotatably connected in the machine body 13 through a tilting pad bearing, and the tilting pad bearing has the advantage of small friction coefficient.

Example 2

Referring to fig. 1, a small air-cooled centrifugal air compressor mainly includes the following parts:

a body 13 as a main body;

the power motor is fixed above the machine body 13;

the pneumatic component 2 is rotationally connected in the machine body 13 and used for extracting and compressing air, and the pneumatic component 2 is driven by power to act;

the air inlet guide vane valve 1 is arranged at the end part of the pneumatic component 2;

the aluminum plate fin cooler 8, the aluminum plate fin cooler 8 is installed on the machine body 13;

the axial flow fan 7 is mounted on the machine body 13 and used for cooling the aluminum plate fin cooler 8;

the air-cooled pneumatic component comprises an oil tank 10 and an oil way system 6, wherein the aluminum plate fin cooler 8 is used for cooling the oil way system 6, the oil way system 6 is circularly connected to the oil tank 10, and the oil way system 6 is used for cooling the pneumatic component 2.

Referring to fig. 1, the small air-cooled centrifugal air compressor does not need to be additionally provided with cold air water independently, and is cooled by driving air by an axial flow fan 7, so that the technical blank of an air cooler type in the centrifugal air compressor is filled; when the small air-cooled centrifugal air compressor is used, a power motor can be started, the power motor is utilized to drive the pneumatic component 2 to operate, the pneumatic component 2 is driven to rotate, the air is driven to be compressed and discharged, and air is introduced through the air inlet guide vane valve 1; the axial flow fan 7 can cool the aluminum plate fin cooler 8 and the oil circuit system 6 for cooling, cooling water does not need to be added to the aluminum plate fin cooler alone, the axial flow fan 7 is used for driving air to cool the centrifugal air compressor, and the technical blank of the air cooling type in the centrifugal air compressor is filled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.