KR20030034683A - eventful compression blower - Google Patents

Abstract

PURPOSE: A multistage compressing blower is provided to blow wind at regular pressure and discharge volume regardless of discharge distance, thereby promptly providing air. CONSTITUTION: First and second cap housings(4,5) have predetermined first and second space parts(2,3) while having first and second axial holes(4a,5a) in the center, and have flanges(20,21) having coupling holes(18,19). A plurality of partition parts(6,7,8) is formed between the first and second cap housings. First to fourth impellers(9-12) are connected to a rotary shaft(13) passing through the center of a space provided by inner surfaces of the first and second cap housings and inner surfaces of the partition parts.

Description

Eventful compression blower

The present invention relates to a multi-stage compression blower that is capable of compressing air at high pressure, and in particular, the air introduced through the inlet sequentially uses the rotational force transmitted to the shaft connected by the belt to the motor into the space divided by the plurality of partitions. Compressed air to be discharged at high pressure, so that the outside air can be quickly supplied to the inside of the aeration system of a wastewater plant, the oxygen supply device of aquaculture fish farm, the cooling and heating blower of a high-rise building, and the underground septic tank of an apartment for efficient use. It is.

In general, a blower (mechanical blower, blower) is a mechanical device that causes the flow of air consists of an impeller causing the flow of air (casing) to guide the flow into and out of the wing.

Such a blower requires an axial blower (Axial-flow fan) which is provided so that the flow of air passing through the vane in a direction parallel to the rotation axis of the vane, and a predetermined pressure rather than the flow rate for the main purpose of increasing the pressure by centrifugal force Radial-flow fan to be used, and mixed-flow fan to be used when the flow rate and pressure increase are required at the same time as the axial and radial flows are present in the van. Separated by).

However, such a blower has a problem that the efficiency is lowered by not being able to sufficiently compress the air in the process of compressing the air while the wing wheel provided inside the casing is rotated to the outside.

In order to solve this problem, the present applicant has proposed a low noise and high pressure blower of Utility Model Registration No. 20-170707 (1999.11.30).

The proposed low noise high pressure blower is composed of a blower body composed of a plurality of protrusions having bolt holes at the center of the outer surface to minimize heat transfer, and a bulkhead having integrally formed conveying holes and first and second compression parts connected between the blower bodies by bolts. .

In addition, the impeller and the partition wall through the impeller is rotatably provided so that the bending direction of the rotary blades in the first and second compression parts, and the axial guide cap provided in the center of the blower body, the opposite place It consists of a motor shaft provided to be fitted to the bearing bearing interposed bearing shaft to rotate the impeller provided on the motor shaft while the air is vacuum compressed in the first and second compression parts to be sent out at high pressure, but the sending distance in the process of sending out There was a problem that the efficiency is sharply lowered due to the friction loss.

In addition, due to this cause, there is an uneconomical problem in that an additional cost increases in the process of connecting a plurality of blowers in series to obtain a desired pressure and air flow rate.

The present invention has been devised to solve such a problem, so as to have a constant pressure and discharge amount regardless of the transmission distance, the aeration device of the waste water storage, the oxygen supply device of aquaculture fish farm, the cooling and heating blower of high-rise building, the basement of the apartment It is an object of the present invention to provide a multi-stage compression blower that enables efficient use by quickly supplying outside air into a septic tank or the like.

In order to achieve the above object, the present invention provides a blower for multi-stage compression, in which a predetermined first and second space portion is formed in a center having first and second axis holes, and the first and second flanges have integrally formed flanges with fastening holes. A two cap housing; A plurality of first, second, and third partition walls provided between the first and second gap housings; Multi-stage, characterized in that consisting of the first, second, third, fourth impeller connected to the rotating shaft passing through the center of the space provided by the inner surface of the first and second gap housing and the inner surface of the first, second, third partition wall portion It is intended to provide a blower for compression.

1 is an exemplary view showing the internal structure of the multi-stage compression blower according to the present invention.

Figure 2 is a front view of the partition used in the multi-stage compression blower according to the present invention.

3 is a cross-sectional view taken along the line A-A of FIG.

Figure 4 is an illustration showing a state of use of the multi-stage compression blower according to the present invention.

5 is an exemplary view showing another use state of the multi-stage compression blower according to the present invention.

<Brief description of the main parts of the drawing>

2, 3: first and second space portion 4, 5: first and second cap housing

4a, 5a: 1st, 2nd shaft hole 6, 7, 8: 1st, 2nd, 3rd partition

9-12: 1st-4 impeller 13: rotary shaft

18,19: Fastener 20, 21: Flange

Hereinafter, an embodiment according to the present invention will be described with reference to the accompanying drawings.

In a single or two stage compression blower,

The flanges 20 and 21 having predetermined first and second space portions 2 and 3 are formed in the center having the first and second shaft holes 4a and 5a. First and second cap housings 4 and 5 having integrally;

A plurality of first, second, and third partition walls (6,7,8) provided between the first and second gap housings (4,5);

It is connected to the rotary shaft 13 penetrating the center of the space provided by the inner surface of the first and second gap housing (4, 5) and the inner surface of the first, second, third partition wall (6, 7, 8) The first to fourth impellers 9 to 12 constitute a high pressure four-stage blower.

In the figure, reference numeral 30, 31 is a support cap, 32 is a pulley, 33 is a cooling impeller, 34 is a protective cover.

The four-stage compression blower 1 of the present invention configured as described above has the first and second cap housings 4 having predetermined first and second space parts 2 and 3 formed therein as shown in FIGS. 1 to 3. The first and second bulkheads 6, 7, and 8 are sequentially positioned on the inner surfaces of the first and second cap housings 4 and 5 in parallel with each other, so as to be coaxially fitted.

The first and second gaps 4 and 5 rotated in a predetermined space provided between the first and second gap housings 4 and 5 and the first and second bulkheads 6 and 7 and 8 so as to sequentially compress air. 3,4 impellers 9, 10, 11, and 12 are located between the first, second, and third partitions and on both sides, and are installed on the rotary shaft 13, which is also a coaxial line.

Here, the first and second cap housings (4, 5) is provided so that one side is opened in a hollow cylindrical shape, both ends of the rotating shaft 13 to be described later in the center to the bearing (14, 15) First and second axis holes 4a and 5a are provided to be supported.

In addition, a plurality of cooling fins 16 and 17 having a radial shape on the outer surface are integrally provided in order to easily cool the heat generated by the friction generated during driving.

In addition, a plurality of fastening holes 18 as a method for safely fixing the first and second cap housings 4 and 5 and the plurality of first and second bulkheads 6, 7 and 8 provided therebetween. The flanges 20 and 21 having the 19 are integrally provided.

The discharge holes 22 and the suction holes 23 having a predetermined area are integrally formed outside the first and second cap housings 4 and 5 provided with the flanges 20 and 21.

The first, second and third bulkheads 6, 7 and 8 may have both side surfaces of the first, second and third bulkheads 6, 7 and 8, and inner surfaces of the first and second cap housings 4 and 5. While the first to fourth impellers 9 to 12 provided in the space to be provided are stably rotated, the air compressed by the first to fourth impellers 9 to 12 is one-stage, two-stage, and three in one direction. However, it is to be compressed at high pressure while sequentially moving in four stages, and is composed of disk members 24a, 24b, and 24c having a predetermined thickness and varying their thicknesses.

Here, the disc-shaped member (24a, 24b, 24c) is formed with a plurality of fastening holes (24a-1, 24b-1, 24c-1) provided radially at the edge, the center of rotation shaft ( Axial holes 24a-2, 24b-2, and 24c-2 are formed to allow 13 to penetrate.

In addition, the guide groove portion 24a-3 having a predetermined depth and width up to an adjacent portion where the shaft holes 24a-2, 24b-2, 24c-2 and the fastening holes 24a-1, 24b-1, 24c-1 are formed. , 24b-3,24c-3) to reduce the volume of the 1,2,3,4 impellers (9,10,11,12), Impellers 9, 10, 11, 12 are provided to reduce friction in the process of rotating.

And guide holes 25a, 25b, 25c are integrally formed between the outer side of the guide grooves 24a-3, 24b-3, 24c-3 and the edges of the disc-shaped members 24a, 24b, 24c. The compressed air from the inflow side is provided to move to the other side.

As shown in FIG. 3, the guide holes 25a, 25b, and 25c have a predetermined inclination angle between the inlet side and the discharge side along the clockwise direction. ) Is provided.

4 and 5 illustrate the operation of the present invention with reference to an exemplary view showing a state of use of the multi-stage compression blower according to the present invention.

First, while the power is applied to the motor 40 and the motor shaft rotates at a high speed, the rotation shaft 13 rotates in the same direction through the pulley 42 connected to the belt 41.

As the rotary shaft 13 rotates, the plurality of first to fourth impellers 9 to 12 provided on the axis rotate together, and the suction port 23 formed at the lower end of the second cap housing 5 according to the vacuum pressure. Outside air is introduced into the inside.

The air introduced into the air flows into the space where the third impeller 11 is rotated through the guide hole 25c formed at the lower end of the third partition 8 in the compressed state by the rotating fourth impeller 12. And discharged through the discharge hole 22 formed at the upper side of the guide holes 25b and 25a and the first cap housing 4 in the compressed state.

In the present invention, since the first to fourth impellers are rotated and compressed at the same time, the air is formed at high pressure and discharged.

The compressed high-pressure air discharged through the discharge hole 22 is injected through the injection nozzle 45 installed at the lower end of the septic tank 44 through the pipeline 43 to purify by aeration.

Meanwhile, although the embodiment of the present invention has been described only for the aeration of the septic tank, as shown in FIG. 5, the branched valve 51 and the first branch of the compressed air pass through the lower end of the supply hopper 50 to which the transport object is supplied. By supplying to the discharge hopper 54 through the two nozzles 52 and 53, grains, chemical fuels and cement can be easily transported.

As described above, the present invention has a constant pressure and discharge amount regardless of the delivery distance so that the aeration device of the waste water tank, the oxygen supply device of aquaculture fish farm, the cooling and heating blower of a high-rise building, the underground septic tank tank of an apartment, etc. It supplies the outside air quickly to the inside to enable efficient use.

Claims (3)

In the first and second stage blowers, The flanges 20 and 21 having predetermined first and second space portions 2 and 3 are formed in the center having the first and second shaft holes 4a and 5a. First and second cap housings 4 and 5 having integrally; A plurality of first, second, and third partition walls (6,7,8) provided between the first and second gap housings (4,5); It is connected to the rotary shaft 13 penetrating the center of the space provided by the inner surface of the first and second gap housing (4, 5) and the inner surface of the first, second, third partition wall (6, 7, 8) A multistage compression blower comprising first to fourth impellers (9 to 12). The method of claim 1, The first, second, third partition walls 6, 7, and 8 may include disc members 24a, 24b, and 24c having a predetermined thickness; A plurality of fastening holes 24a-1, 24b-1, 24c-1 provided radially at the edges of the disc-shaped members 24a, 24b, 24c; Shaft holes 24a-2, 24b-2, 24c-2 formed in the center of the disc-shaped members 24a, 24b, and 24c; Guide groove portion 24a- provided to have a predetermined depth and width to the adjacent portion where the shaft holes 24a-2, 24b-2, 24c-2 and the fastening holes 24a-1, 24b-1, 24c-1 are formed. 3,24b-3,24c-3); The guide holes 25a, 25b, 25c provided between the outer side of the guide grooves 24a-3, 24b-3, 24c-3 and the edges of the disc-shaped members 24a, 24b, 24c are integrally formed. A multistage compression blower characterized by the above-mentioned. The method of claim 2, The guide holes 25a, 25b, and 25c each have a predetermined inclination angle (inlet and discharge side along the clockwise direction). Multistage compression blower, characterized in that it is configured to have a).