CN218645801U

CN218645801U - Screw type air cooling machine

Info

Publication number: CN218645801U
Application number: CN202222156255.XU
Authority: CN
Inventors: 上官炫; 陈逢源; 吴昊
Original assignee: Fuzhou Xugu Technology Co ltd
Current assignee: Fujian Snowman Compressor Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2023-03-17
Anticipated expiration: 2032-08-16

Abstract

The utility model relates to a screw air cooler, it includes: the system comprises a motor, a gear box, a compressor, an expander, a first dryer, a second dryer and a steam-water separator, wherein a first gear, a second gear and a third gear are connected in the gear box respectively; the output end of the motor is connected with a connecting shaft on the first gear through a coupler, and the second gear is fixedly connected with the end of an extending shaft of the compressor; the third gear is fixedly connected with the end of an extending shaft of the expansion machine, and an exhaust port of the compressor is communicated with an inlet of the steam-water separator; and the outlet of the steam-water separator is communicated with the inlet of the expansion machine. The utility model discloses the gas vent of compressor links to each other with the expander air inlet, and the expander combustion gas is driving the expander work, and the expander transmits its energy for the compressor through the gear pair to reduce the consumption of compressor when to gas compression, improved system efficiency, practiced thrift the motor energy consumption.

Description

Screw type air cooling machine

Technical Field

The utility model relates to the field of refrigeration technology, especially, relate to a screw air cooling machine.

Background

The air cooler utilizes the forced flowing air as the carrier of the heat source to achieve the purpose of radiating the heat of the equipment. Air cooling is used for replacing water cooling, so that water can be saved, and pollution can be reduced.

The key parts in the air cooler are a compressor and an expander, and the working efficiency, the stability and the like of the compressor and the expander have great influence on the whole air cooler device. The compressors and expanders in the air cooler on the market at present have centrifugal type and piston type.

The compressor and the expansion machine of the piston type air cooler are operated independently, the work recovered by the expansion machine is not directly output to the compressor, so that energy waste and low system efficiency are caused, and the piston type compressor or the expansion machine has more easily damaged parts and short service life.

The centrifugal air cooler generates power by the external output of the centrifugal turbine, can recover the energy applied by the expander, but needs additional generator set equipment, and causes large occupied space, high equipment cost and poor equipment mobility.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above problem of the prior art, the utility model provides an empty cold machine of screw directly exports the expander acting for the compressor, and the recycle energy improves system performance and efficiency, and system equipment is few, and the cost is lower, the empty cold machine of reliable operation.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

a screw air cooler, comprising: a motor, a gear box, a compressor, an expander, a first dryer, a second dryer and a steam-water separator,

a first gear, a second gear and a third gear are respectively connected in the gear box, and the first gear, the second gear and the third gear can respectively rotate relative to the gear box; the second gear is meshed with the first gear, and the third gear is meshed with the first gear; the output end of the motor is connected with a connecting shaft on the first gear through a coupler, and the second gear is fixedly connected with the end of an extending shaft of the compressor; the third gear is fixedly connected with an extending shaft end of the expansion machine, so that the first gear, the second gear and the third gear form two pairs of gears;

the exhaust port of the compressor is communicated with the inlet of the first dryer; the outlet of the first dryer is communicated with the inlet of the steam-water separator through a first cooler; the outlet of the steam-water separator is communicated with the inlet of the second dryer; the outlet of the second dryer is communicated with the inlet of the expansion machine through a second cooler.

Further, an air inlet of the compressor is communicated with the atmosphere through an air inlet pipe.

Further, an air filter is installed in the air inlet pipe.

Furthermore, a gate valve is installed on a drain pipe at the bottom of the steam-water separator.

Further, an outlet of the expander is connected with an exhaust pipe.

Further, the first cooler and the second cooler are both air cooling machines.

Further, the compressor is a screw compressor.

Further, the expander is a screw expander.

(III) advantageous effects

The utility model has the advantages that: the exhaust port of the compressor is connected with the air inlet of the expander, the gas exhausted by the compressor drives the expander to work, and the expander transmits the energy of the gas to the compressor through the gear pair, so that the power consumption of the compressor in gas compression is reduced, the system efficiency is improved, and the energy consumption of the motor is saved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

The utility model discloses a screw air cooler of an embodiment, as shown in figure 1, it includes: the air conditioner comprises a motor 10, a gear box 12, a compressor 2, an expander 8, a first dryer 3, a second dryer 6, a first cooler 4, a second cooler 7 and a steam-water separator 5, wherein it should be noted that the motor 10, the compressor 2, the expander 8, the first dryer 3, the second dryer 6, the first cooler 4, the second cooler 7 and the steam-water separator 5 are all in the prior art, and detailed structures thereof are not repeated; as an example, the compressor 2 is a screw compressor; the expander 8 is a screw expander.

Specifically, in the present embodiment, a first gear 13, a second gear 14 and a third gear 15 are respectively connected inside the gear box 12, and the first gear 13, the second gear 14 and the third gear 15 are respectively rotatable relative to the gear box 12; the second gear 14 is meshed with the first gear 13, and the third gear 15 is meshed with the first gear 13; the output end of the motor 10 is connected with a connecting shaft on the first gear 13 through a coupler 11, and the motor 10 works to drive the first gear 13 to rotate; the second gear 14 is fixedly connected with the end of the extending shaft of the compressor 2; the third gear 15 is fixedly connected with the end of the extending shaft of the expansion machine 8, so that the first gear 13, the second gear 14 and the third gear 15 form two pairs of gears.

Specifically, in the present embodiment, the exhaust port of the compressor 2 communicates with the inlet of the first dryer 3; the outlet of the first dryer 3 is communicated with the inlet of the first cooler 4; the outlet of the first cooler 4 is communicated with the inlet of the steam-water separator 5; the outlet of the steam-water separator 5 is communicated with the inlet of the second dryer 6; the outlet of the second dryer 6 is communicated with the inlet of a second cooler 7; the outlet of the second cooler 7 is communicated with the inlet of an expander 8; the outlet of the expansion machine 8 discharges the expanded and cooled air through an exhaust pipe 9 to cool an external heat source; as an example, the first cooler 4 and the second cooler 7 are each an air-cooling machine.

Specifically, in the present embodiment, the air inlet of the compressor 2 is communicated with the atmosphere through the air inlet pipe 16, and the air filter 1 is installed in the air inlet pipe 16 to prevent dust particles from entering the compressor 2 and causing damage to the compressor 2.

Further, in the present embodiment, a gate valve 17 is installed on a drain pipe at the bottom of the steam-water separator 5, and the gate valve 17 is periodically opened to drain the liquid water in the steam-water separator 5.

When the compressor works, an external power supply is input, the motor 10 runs, the first gear 13 is connected with the motor 10, and then the compressor 2 is driven to work through a gear pair formed by the first gear 13 and the second gear 14, so that external air is sucked for compressing and doing work; after being pressurized by a compressor 2, air enters a first dryer 3 to absorb moisture in the air, then enters a first air cooler 4 to exchange heat and cool the air, part of water is separated out after cooling, and then the air passes through a steam-water separator 5 and a second dryer 6 to obtain dry air; then enters an expander 8 after heat exchange and temperature reduction through a second air cooler 7; after adiabatic expansion, low-temperature and low-pressure air is discharged from the exhaust pipe 9, and is cooled by heat dissipation with an external heat source.

In this embodiment, the first cooler 4 and the second cooler 7 reduce the temperature of the compressor exhaust gas to obtain low-temperature air required after the expander; according to the working principle of the expansion machine, under the condition of a certain air inlet pressure and air outlet pressure, in order to obtain lower-temperature air outlet, the air inlet temperature of the expansion machine needs to be reduced; the first cooler 4 and the second cooler 7 may here also be water-cooled or other types of coolers.

In this embodiment, the gas expands in the expander 8 to do work externally, and the work is transmitted to the compressor 2 through two pairs of gear pairs formed by the third gear 15, the first gear 13 and the second gear 14, so that the energy consumed by the screw compressor 2 in compressing the air is reduced, the expansion work of the expander 8 is fully utilized, the efficiency of the whole system is improved, and the output power consumption of the motor 10 is reduced.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, so that the scope of the present application is not to be construed as being limited.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The above mentioned is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be included in the scope of the present invention.

Claims

1. A screw type air cooler is characterized by comprising: a motor (10), a gear box (12), a compressor (2), an expander (8) and a steam-water separator (5),

a first gear (13), a second gear (14) and a third gear (15) are connected in the gear box (12) respectively, and the first gear (13), the second gear (14) and the third gear (15) can rotate relative to the gear box (12) respectively; the second gear (14) is meshed with the first gear (13), and the third gear (15) is meshed with the first gear (13); the output end of the motor (10) is connected with a connecting shaft on a first gear (13) through a coupler (11), and a second gear (14) is fixedly connected with the end of an extending shaft of the compressor (2); the third gear (15) is fixedly connected with the end of a projecting shaft of the expansion machine (8), so that the first gear (13), the second gear (14) and the third gear (15) form two pairs of gear pairs;

an exhaust port of the compressor (2) is communicated with an inlet of the steam-water separator (5); the outlet of the steam-water separator (5) is communicated with the inlet of the expansion machine (8).

2. The air cooler screw of claim 1, characterized in that: an exhaust port of the compressor (2) is communicated with an inlet of the steam-water separator (5) through the first dryer (3) and the first cooler (4); the outlet of the steam-water separator (5) is communicated with the inlet of the expansion machine (8) through a second dryer (6) and a second cooler (7).

3. The air cooler screw of claim 1, characterized in that: and the air inlet of the compressor (2) is communicated with the atmosphere through an air inlet pipe (16).

4. The air cooler screw of claim 3, characterized by: an air filter (1) is installed in the air inlet pipe (16).

5. The air-cooling screw machine of claim 1, characterized in that: and a gate valve (17) is arranged on a drain pipe at the bottom of the steam-water separator (5).

6. The air-cooling screw machine of claim 1, characterized in that: an outlet of the expansion machine (8) is connected with an exhaust pipe (9).

7. The air-cooling screw machine of claim 2, characterized in that: the first cooler (4) and the second cooler (7) are both air-cooled machines.

8. The air-cooling screw machine of claim 1, characterized in that: the compressor (2) is a screw compressor.

9. The air-cooling screw machine of claim 1, characterized in that: the expander (8) is a screw expander.