KR102318669B1 - Vacuum conveyer with module type vacuum generator - Google Patents

Abstract

The present invention relates to a vacuum conveyor with a plurality of modular vacuum generators, which is able to prevent the whole volume of the vacuum conveyor from becoming bigger even if the plurality of vacuum generators are installed so that a vacuum pressure in a vacuum hopper can be increased, comprising: a vertical vacuum hopper having a material inlet; a material discharge passage having an outlet on a lower side of the vacuum hopper, and opening/closing the outlet by a discharge damper; a material collection unit placed in the material inlet, and inducing the material absorbed through the material inlet toward the lower side of the vacuum hopper; a vacuum generator module installed on the upper side of the vacuum hopper, rapidly sending the air, and generating an absorption force by a vacuum pressure in the vacuum hopper as the inner air in the vacuum hopper is absorbed into the accelerated air because of a difference in the pressure from the inside of the vacuum hopper; a filter unit installed between the vacuum generators and the material collection unit, and filtering out the dust of the material moving toward an upper side of the vacuum hopper; and an absorption passage formed on a lower side of the vacuum generator module, and opened/closed by an air absorption damper.

Description

Vacuum conveyer with module type vacuum generator

The present invention relates to a vacuum transfer device having a modular plurality of vacuum generators, and more particularly, a modular plurality of devices that do not increase the overall volume of the device even if a plurality of vacuum generators are installed in order to increase the vacuum pressure inside the vacuum hopper. It relates to a vacuum transfer device having a vacuum generator.

In general, most grains produced in fields or paddy fields are produced and shipped after a certain processing process. Representative examples of such grain processing processes include plant facilities such as mills, mills, and feed mills. Such plant facilities temporarily or long-term storage of raw materials in the form of grains or powders in facilities such as a cylindrical silo or a funnel-shaped hopper or transfer them to the next process.

At this time, a vacuum transfer device is used to minimize the time loss and work inefficiency that occurs when transferring the raw material of the raw material storage facility to the equipment side of the next process, and the vacuum transfer device is located as close as possible to the workplace of the next process, , therefore, between the raw material storage facility and the vacuum transfer device, it has a length of usually 75 to 100 m and is connected by a raw material suction hose.

As a conventional vacuum transfer device, Korean Patent Registration No. 10-0821986 (published on April 15, 2008) has been proposed, and the configuration is formed in a cylindrical shape so that the granular material including grains can be filled in the storage space, and the upper side of the granular material is A gas having an inlet for introducing the sieve and an outlet and a door for allowing the discharge of the granular material are formed on the lower side thereof, and a vacuum pressure is applied to the inlet to induce the granular material to flow into the storage space of the gas through the inlet. A vacuum suction means formed on the upper side of the vacuum suction means, located below the vacuum suction means to separate the space for receiving the gas and the vacuum pressure formed by the vacuum suction means is transmitted, and a filter for filtering foreign substances contained in the granular body is composed by

However, since this conventional vacuum transfer device generates a vacuum pressure inside the vacuum hopper with only one vacuum generator, there is a problem in that the suction power is somewhat lowered and the performance of the device is deteriorated, and as shown in FIGS. 1 and 2, the vacuum generator ( 120a) is periodically operated and stopped due to a time difference that occurs while the raw material 100 inside the raw material suction hose 130 is cut off in the middle and flows back to the raw material storage facility 110 side under the influence of back pressure, such a reverse flow The phenomenon occurs by repeating the unnecessary process of re-suctioning the raw material 100 that has flowed back to the raw material storage facility 110 to the vacuum hopper 120 side by the operation of the vacuum generator 120a again. There was a problem that caused economic degradation due to consumption.

1. Republic of Korea Patent Registration No. 10-0821986 (2008.04.15. Announcement)

Accordingly, the present invention has been devised to solve the problems of the related art as described above, and its purpose is to prevent the overall volume of the device from increasing even if a plurality of vacuum generators are installed to increase the vacuum pressure inside the vacuum hopper. An object of the present invention is to provide a vacuum transfer device having a plurality of type vacuum generators.

In addition, an object of the present invention is to provide a vacuum transport device having a plurality of modular vacuum generators so that the suction and discharge of raw materials can be made even when the operation is continued without the need to repeat the operation and stop of the vacuum generator.

It is also an object of the present invention to provide a vacuum transport device having a plurality of modular vacuum generators so that backwashing of the filter part can be performed as high-pressure air is periodically sprayed toward the filter part in a direction opposite to the suction.

One form of the modular dual vacuum transfer device according to the present invention for achieving the object of the present invention is a vertical vacuum hopper having a raw material suction port; a raw material discharge passage having a discharge port on the lower side of the vacuum hopper, the discharge port being opened and closed by a discharge damper; a raw material collecting part located inside the raw material inlet and allowing the raw material sucked through the raw material inlet to be guided to the lower side of the vacuum hopper; It is installed on the upper side of the vacuum hopper, and by sending air rapidly, the internal air of the vacuum hopper is sucked into the accelerated air side due to the pressure difference with the inside of the vacuum hopper, and suction force by vacuum pressure is generated inside the vacuum hopper a vacuum generator module having a plurality of vacuum generators; a filter part installed between the vacuum generator and the raw material collecting part and filtering out the dust of the raw material moving to the upper side of the vacuum hopper; A suction passage formed on the lower side of the vacuum generator module and opened and closed by an intake damper; characterized in that it is composed of.

Another form of the modular dual vacuum transfer device according to the present invention is the first and second raw material suction ports partitioned into left and right first and second chambers by a partition wall, and separated left and right by the partition wall, and the first 1, 2 and a vertical vacuum hopper having a suction port opening/closing damper for selectively opening and closing the raw material intake; first and second raw material discharge passages located on the lower side of the vacuum hopper, wherein the first and second outlets are separated left and right by the partition wall, and the first and second outlets are selectively opened and closed by a discharge damper; a raw material collecting part located inside the first and second raw material intake ports to guide the raw material sucked through the first raw material inlet or the second raw material inlet to the lower side of the vacuum hopper; It is installed on the upper side of the vacuum hopper, and by sending air rapidly, the internal air of the vacuum hopper is sucked into the accelerated air side due to the pressure difference with the inside of the vacuum hopper. a vacuum generator that makes it possible; a filter part installed between the vacuum generator and the raw material collecting part and filtering out the dust of the raw material moving to the upper side of the vacuum hopper; first and second suction passages installed on the lower side of the vacuum generator, separated left and right by the partition wall, and selectively opened and closed by an intake damper;

In addition, the present invention further includes a filter backwash unit capable of backwashing the filter unit, wherein the filter backwash unit includes a high-pressure tank provided on one side of a vacuum hopper on the upper side of the filter unit, and the high-pressure tank is a vacuum hopper through a high-pressure air supply pipe. is connected to, and is configured to be opened and closed by a solenoid valve between the high-pressure tank and the high-pressure air supply pipe.

As described above, the present invention has a vacuum generator module provided with a plurality of vacuum generators on each side around the vacuum generator intake port of the central portion having a polygonal shape, so that the vacuum pressure inside the vacuum hopper does not increase the overall volume of the device. can increase the size of the device as well as have the effect of further improving the performance.

In addition, it allows the suction and discharge of raw materials to be made even when the operation is continued without the need to repeat the operation and stop of the vacuum generator. It is possible to prevent the raw material from flowing back to the raw material storage facility due to the back pressure created by the empty space, and the raw material can be transferred more quickly and efficiently without the hassle and inconvenience of releasing the reverse flow of the raw material and transferring it again. have an effect.

In addition, the present invention enables backwashing as high-pressure air is periodically sprayed to the side of the filter in the opposite direction to the suction, so that the clogging of the filter unit due to dust can be eliminated and the filtering function of the dust can be continuously maintained. There is an advantage that can further increase the performance and reliability of the

1 is a schematic diagram showing a raw material transfer facility using a general vacuum generator.
Figure 2 is a partial enlarged cross-sectional view showing the inside of the raw material suction hose of Figure 1.
3 to 6 show an embodiment of a vacuum transfer device having a modular multiple vacuum generator according to the present invention,
3 is a cross-sectional view showing the overall configuration.
Figure 4 is a perspective view showing the vacuum generator module of Figure 3;
Figure 5 is a cross-sectional view showing the internal structure of the vacuum generator of Figure 4;
6 is a cross-sectional view showing an operating state of the filter backwashing unit of FIG. 3;
7 and 8 show another embodiment of a vacuum transfer device having a modular multiple vacuum generator according to the present invention,
7 is a cross-sectional view showing the overall configuration.
8 is a plan cross-sectional view showing the vacuum hopper of FIG.

Advantages and features of embodiments of the present invention, and methods of achieving them, will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the technical field to which the present invention pertains It is provided to fully inform those who have the scope of the invention, and the present invention is defined only by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

In describing the embodiments of the present invention, if it is determined that a detailed description of a well-known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted.

And the terms to be described later are terms defined in consideration of functions in the embodiments of the present invention, which may vary depending on the intention or custom of the user or operator.

Hereinafter, a vacuum transfer apparatus according to the present invention will be described in detail according to embodiments with reference to the accompanying drawings.

3 to 6 show an embodiment of a vacuum transfer device having a plurality of modular vacuum generators according to the present invention, and FIG. 3 is a cross-sectional view showing the overall configuration, and FIG. 4 is a perspective view showing the vacuum generator module of FIG. and FIG. 5 is a cross-sectional view showing the internal structure of the vacuum generator of FIG. 4, and FIG. 6 is a cross-sectional view showing the operation state of the filter backwashing unit of FIG.

As shown, the present invention is composed of a vacuum hopper (1), a raw material discharge passage (2), a raw material collection unit (3), a vacuum generator module (E), a filter unit (6), and an air suction passage (7). , The vacuum hopper (1) has a raw material suction port (S) on one side, and the raw material suction port (S) is configured to be selectively opened and closed by the intake opening/closing damper (8). The raw material discharge passage (2) is provided on the inner lower side of the vacuum hopper (1) and is configured to selectively open and close the discharge port (21) by the discharge damper (22).

The raw material collecting unit 3 is provided inside the vacuum hopper 1 corresponding to the raw material suction port S, and the raw material sucked into the vacuum hopper 1 has an inverted conical blocking plate 3a in which the upper part is wide and the lower part is narrow. ), the raw material selectively sucked through the raw material suction port (S) is configured to be guided to the lower side of the vacuum hopper (1) while generating a vortex along the circumference of the blocking plate (3a).

The vacuum generator module (E) constitutes the device body 51 in a horizontal cylindrical body as shown in FIG. 4, and the device body 51 has a vacuum generator intake port 54 with one side open at the center and the other side blocked. and, the vacuum generator intake port 54 has a polygonal shape, and a plurality of vacuum generators 5 are provided along each surface.

The vacuum generator 5 is installed on the upper side of the vacuum hopper 1, and uses high-pressure air to generate suction force by vacuum pressure inside the vacuum hopper 1, as shown in FIG. Similarly, the outside is blocked by the device body 51 having an air supply port 51a and an exhaust port 51b on one side and the other side, respectively, and the partition wall 52 is spaced in the horizontal direction inside the device body 51. is disposed to form an operating space 53 , and a plurality of nozzles 53 penetrate in a horizontal direction orthogonal to the partition wall 52 to be fixed and supported.

The filter unit 6 is installed between the vacuum generator 5 and the raw material collection unit 3, and the dust of the raw material rising to the upper side of the vacuum hopper 1 is sucked into the vacuum generator 5. Dust in the air was made to filter out.

The air intake passage 7 is provided between the filter unit 6 and the vacuum generator 5 and is configured to be opened and closed by an intake damper 72, and the raw material discharge passage 2 is The discharge damper 22 is installed on one side so as to open and close the discharge port 21 .

Meanwhile, the vacuum hopper 1 further includes a filter backwashing unit 4 capable of backwashing the filter unit 6 , and the filter backwashing unit 4 is located on the upper side of the filter unit 6 . A high-pressure tank 41 storing high-pressure air is installed on one side of the vacuum hopper 1, and the high-pressure tank 41 is connected to the vacuum hopper 1 through a high-pressure air supply pipe 42, and the high-pressure tank 41 A solenoid valve 43 is provided between the and the high-pressure air supply pipe 42 .

In one embodiment of the present invention configured as described above, the raw material is introduced into the vacuum hopper 1 through the raw material suction hose 130 and the raw material suction port S from the raw material storage facility 110 by the operation of the vacuum generator 5 . is inhaled As shown in FIG. 5, the vacuum generator 5 sucks the surrounding air according to the siphon principle while the high-pressure air supplied to the inside of the device body 51 passes through each nozzle 53 as shown in FIG. It should have suction power by vacuum pressure inside.

At this time, the vacuum generator module (E) constitutes the device body 51 in a horizontal cylindrical body as shown in FIG. 4, and the device body 51 has a vacuum generator intake port 54 with one side open at the center and the other side blocked. ), and the vacuum generator intake port 54 has a polygonal shape, and a plurality of vacuum generators 5 are provided along each side to generate a stronger vacuum suction force inside the vacuum hopper 1, as well as many It is possible to prevent an increase in the overall volume of the device because it does not occupy a space.

In addition, the raw material discharge passage 2 is closed by the discharge port 21 by the discharge blocking plate 3 of the discharge damper 22, and the air intake passage 7 is the intake blocking plate 73 of the intake damper 72. By opening the intake port 71a by the vacuum suction force by the vacuum generator 5, the suction of the raw material is made. Conversely, when the air suction passage 7 is closed and the raw material discharge passage 2 is opened, the raw material is discharged that will be repeated.

7 and 8 show another embodiment of a vacuum transfer apparatus having a modular multiple vacuum generator according to the present invention, and FIG. 7 is a cross-sectional view showing the overall configuration, and FIG. 8 is a plan sectional view showing the vacuum hopper of FIG. am.

As shown in the present invention, the vacuum hopper 1 separated into the first and second chambers 12 and 13 by the partition wall 11, the first and second raw material discharge passages 2a and 2b, and the raw material collection Part (3), vacuum generator (5), filter part (6), as composed of first and second air suction passages (7a, 7b), the vacuum hopper (1) is a first and second raw material suction port ( 14 and 15 , and the first and second raw material intake ports 14 and 15 are configured to be selectively opened and closed by the intake opening/closing damper 8 .

The intake opening/closing damper 8 is integrally formed with the first and second opening/closing damper blocking plates 8b and 8c on the left and right sides of the opening/closing damper shaft 8a as the center, and each of the first and second opening/closing dampers The blocking plates 8b and 8c are formed in a curved surface along the inner shape of the vacuum hopper 1 formed in a cylindrical shape.

The first and second raw material discharge passages 2a and 2b are provided on the inner lower side of the vacuum hopper 1 and the first and second discharge ports 21a and 21b are selectively opened and closed by the discharge damper 22 . The discharge damper 22 is formed integrally with the first and second discharge blocking plates 23a and 23b on the left and right sides of the discharge damper shaft 24 at an angle, so that the discharge damper 22 is rotated left and right. It is configured to selectively open and close the first and second discharge ports 21a and 21b of the first and second raw material discharge passages 2a and 2b.

The raw material collecting unit 3 is provided inside the vacuum hopper 1 corresponding to the first and second raw material suction ports 14 and 15, and the raw material sucked into the vacuum hopper 1 has a wide upper part and a narrow lower part. The raw material selectively sucked through the first and second raw material suction ports 14 and 15 by the formed inverted cone-shaped blocking plate 3a generates a vortex along the circumference of the blocking plate 3a, and the lower part of the vacuum hopper 1 It is designed to be guided to the side.

The vacuum generator 5 is installed on the upper side of the vacuum hopper 1, and uses high-pressure air to generate suction force by vacuum pressure inside the vacuum hopper 1, as shown in FIG. Similarly, the outside is blocked by the device body 51 having an air supply port 51a and an exhaust port 51b on one side and the other side, respectively, and the partition wall 52 is spaced in the horizontal direction inside the device body 51. is disposed to form an operating space 53 , and a plurality of nozzles 53 penetrate in a horizontal direction orthogonal to the partition wall 52 to be fixed and supported.

The filter unit 6 is installed between the vacuum generator 5 and the raw material collection unit 3, and the dust of the raw material rising to the upper side of the vacuum hopper 1 is sucked into the vacuum generator 5. Dust in the air was made to filter out.

The first and second air suction passages 7a and 7b are provided between the filter unit 6 and the vacuum generator 5 and are configured to be selectively opened and closed by the intake damper 72, and are vertical vacuum hoppers. (1) successively on the lower side, the first outlet 21a is formed to be inclined inward of the vacuum hopper 1, and the second raw material discharge passage 2b has a second outlet 21b and the first outlet 21a. It is formed symmetrically on the inside of the vacuum hopper (1).

In addition, in the first and second air intake passages 7a and 7b, a discharge damper 22 is installed between the first discharge port 21a and the second discharge port 21b, and the discharge damper 22 is connected to each other. Having the first discharge blocking plate 3a and the second discharge blocking plate 3a forming a right angle, the first discharge port 21a and the second discharge port 21b are formed while rotating left and right around the discharge damper shaft 24. It is configured to be selectively closed and opened.

Meanwhile, the vacuum hopper 1 further includes a filter backwashing unit 4 capable of backwashing the filter unit 6 , and the filter backwashing unit 4 is located on the upper side of the filter unit 6 . A high-pressure tank 41 storing high-pressure air is installed on one side of the vacuum hopper 1, and the high-pressure tank 41 is connected to the vacuum hopper 1 through a high-pressure air supply pipe 42, and the high-pressure tank 41 A solenoid valve 43 is provided between the and the high-pressure air supply pipe 42 .

In the first air intake passage 7a, a first intake port 71a is formed to be inclined inward of the vacuum hopper 1, and the second air intake passage 7b has a second intake port 71b and the first intake port (71a) is formed to be symmetrical to the inside of the vacuum hopper (1) inclined.

In addition, an intake damper 72 is installed between the first intake port 71a and the second intake port 71b, and the intake damper 72 includes a first intake blocking plate 73a and a second intake blocking plate 73a at right angles to each other. It has an intake blocking plate 73b and is configured to selectively close and open the first intake port 71a and the first intake port 71a while rotating left and right around the intake damper shaft 74.

The present invention configured as described above is a vacuum hopper ( 1) The raw material is sucked into the inside. As shown in FIG. 5, the vacuum generator 5 sucks the surrounding air according to the siphon principle while the high-pressure air supplied to the inside of the device body 51 passes through each nozzle 53 as shown in FIG. It should have suction power by vacuum pressure inside.

At this time, in the first raw material discharge passage 2a, the first discharge port 21a is closed by the first discharge blocking plate 3a of the discharge damper 22, and the second discharge port of the second material discharge passage 2b ( 21b) is opened, the first air intake passage 7a is opened by the first intake blocking plate 73a of the intake damper 72, the first intake port 71a is opened, and the second air intake passage 7b The second intake port 71b remains closed.

In addition, the second raw material intake port 15 is closed by the second opening/closing damper blocking plate 3a of the intake opening opening/closing damper 8, and the raw material sucked through the open first raw material inlet 14 is collected raw material While swirling along the outside of the blocking plate 3a of the part 3, it accumulates inside the first raw material discharge passage 2a, and the raw material accumulated in the second raw material discharge passage 2b is discharged.

In this state, the first raw material discharge passage 2a is opened by the first discharge blocking plate 3a of the discharge damper 22, the first discharge port 21a is opened, and the second discharge port of the second raw material discharge passage 2b is opened. 21b is closed, the first air intake passage 7a is closed by the first intake blocking plate 73a of the intake damper 72, the first intake port 71a is closed, and the second air intake passage 7b is closed. When the second intake port 71b of the is opened and the raw material is sucked through the second raw material inlet 15 . In addition, the raw material sucked through the second raw material inlet 14, 15 accumulates inside the second raw material discharge passage 2b while vortexing along the outside of the blocking plate 3a of the raw material collecting part 3, and the first raw material The raw material accumulated in the discharge passage 2a is repeatedly discharged.

Therefore, the first and second outlets 21a of the first and second raw material discharge passages 2a and 2b in a state in which the inside of the vacuum hopper 1 continuously maintains the suction force by the vacuum pressure by the vacuum generator 5 . ) 21b and the first and second intake ports 71a and 71b of the first and second air intake passages 7a and 7b are continuously opened and closed by the exhaust damper 22 and the intake damper 72 while repeating opening and closing. Since the raw material can be sucked and discharged through the vacuum generator, the suction and discharge of the raw material can be made even when the operation is continued without the need to repeat the operation and stop of the vacuum generator.

On the other hand, since the dust attached to the filter unit lowers the filter efficiency, it is necessary to shake the filter and wash it. It is momentarily opened by the operation of the solenoid valve 43 and the high-pressure air from the high-pressure tank 41 is instantaneously sprayed to the filter unit 6 through the high-pressure air supply pipe 42 so that the filter unit 6 can be backwashed. do.

As such, the present invention has a vacuum generator module provided with a plurality of vacuum generators on each side around the vacuum generator intake port of the central portion having a polygonal shape, thereby increasing the vacuum pressure inside the vacuum hopper without increasing the overall volume of the device. Therefore, the device can be miniaturized and its performance can be further improved.

In addition, the present invention allows the suction and discharge of raw materials to be made even when the operation is continued without the need to repeat the operation and stop of the vacuum generator. Since there are empty spaces in various places, it is possible to prevent the backflow of the raw material back to the raw material storage facility due to the back pressure, and the raw material can be transferred more quickly and efficiently without the hassle and inconvenience of releasing the backflow of the raw material and transferring it again. it will be possible to do

In addition, the present invention enables backwashing as high-pressure air is periodically sprayed to the side of the filter in the opposite direction to the suction, so that the clogging of the filter unit due to dust can be eliminated and the filtering function of the dust can be continuously maintained. performance and reliability can be further increased.

In the above, a vacuum transfer device having a modular multiple vacuum generator according to the present invention has been specifically described, but this is only a description of the most preferred embodiment of the present invention, and the present invention is not limited thereto, and in the appended claims The scope is determined and limited by In addition, it will be clear that any person skilled in the art can make various modifications and imitations according to the description of the specification of the present invention, but this is also not outside the scope of the present invention.

1: vacuum hopper
11: bulkhead 12, 13: first and second chambers
S: raw material inlet 14,15: first and second raw material inlet
16: intake opening/closing damper 16a, 16b: first and second opening/closing damper blocking plate
2: raw material discharge passages 2a, 2b: first and second raw material discharge passages
21: outlets 21a, 21b: first and second outlets
22: discharge dampers 23a, 23b: first and second discharge blocking plates
24: exhaust damper shaft
3: raw material collecting part 3a: blocking plate
4: Filter backwashing unit
41: high pressure tank 42: high pressure air supply pipe
43: solenoid valve
5: vacuum generator
51: device body 51a: high pressure inlet
51b: exhaust port 52: partition wall
53: nozzle
6: filter unit
7: Air intake passages 7a, 7b: first and second air intake passages
71: intake ports 71a, 71b: first and second intake ports
72: intake dampers 73a, 73b: first and second intake blocking plates
74: intake damper shaft

Claims (10)

A vertical vacuum hopper (1) having a raw material inlet (S) and;
a raw material discharge passage 2 having a discharge port 21 on the lower side of the vacuum hopper 1, and the discharge port 21 is opened and closed by a discharge damper 22;
a raw material collecting part 3 located inside the raw material suction port S so that the raw material sucked through the raw material suction port S can be guided to the lower side of the vacuum hopper 1;
It is installed on the upper side of the vacuum hopper (1), and the air inside the vacuum hopper (1) is sucked into the accelerated air side due to the pressure difference between the vacuum hopper (1) and the inside of the vacuum hopper (1) by rapidly flowing air. ) in the inside, a vacuum generator module (E) having a plurality of vacuum generators (5) for generating suction force by vacuum pressure;
a filter unit (6) installed between the vacuum generator (5) and the raw material collecting unit (3) and filtering the dust of the raw material moving to the upper side of the vacuum hopper (1);
A suction passage (7) formed on the lower side of the vacuum generator module (E) and opened and closed by an intake damper (72);
The vacuum generator module (E) constitutes the device body 51 in a horizontal cylindrical body, and the device body 51 has a vacuum generator intake port 54 with one side open and the other side closed at the center, and the vacuum generator intake port (54) forms a polygonal shape, the vacuum transfer device having a plurality of modular vacuum generator, characterized in that provided with a plurality of vacuum generators (5) along each side.
Left and right first and second chambers 12 and 13 are partitioned by the partition wall 11, and first and second raw material intake ports 14 and 15 separated to the left and right by the partition wall 11; and a vertical vacuum hopper (1) having a suction port opening/closing damper (8) for selectively opening and closing the first and second raw material suction ports (14, 15);
Located on the lower side of the vacuum hopper 1, the first and second outlets 21a and 21b are separated left and right by the partition wall 11, and the first and second outlets 21a and 21b are first and second raw material discharge passages (2a) and (2b) selectively opened and closed by the discharge damper 22;
It is located inside the first and second raw material inlet 14 and 15 so that the raw material sucked through the first raw material inlet 14 or the second raw material inlet 15 is guided to the lower side of the vacuum hopper 1 . a raw material collection unit 3 that enables;
It is installed on the upper side of the vacuum hopper (1), and the air inside the vacuum hopper (1) is sucked into the accelerated air side due to the pressure difference between the vacuum hopper (1) and the inside of the vacuum hopper (1) by rapidly flowing air. ), a vacuum generator module (E) having a plurality of vacuum generators (5) for generating suction force by vacuum pressure;
a filter unit (6) installed between the vacuum generator (5) and the raw material collecting unit (3) and filtering the dust of the raw material moving to the upper side of the vacuum hopper (1);
first and second suction passages (7a) and (7b) installed on the lower side of the vacuum generator (5), separated left and right by the partition wall (11), and selectively opened and closed by an intake damper (72); is composed of
The vacuum generator module (E) constitutes the device body 51 in a horizontal cylindrical body, and the device body 51 has a vacuum generator intake port 54 with one side open and the other side closed at the center, and the vacuum generator intake port (54) forms a polygonal shape, the vacuum transfer device having a plurality of modular vacuum generator, characterized in that provided with a plurality of vacuum generators (5) along each side.
3. The method of claim 2,
The raw material collecting part 3 is formed of a cylindrical blocking plate 3a with a wide upper part and a narrowly inclined lower part, so that the raw material sucked through the first raw material inlet 14 or the second raw material inlet 15 is blocked. (3a) A vacuum transfer device having a plurality of modular vacuum generators, characterized in that configured to be guided to the lower side of the vacuum hopper (1) while rotating along the circumference.
delete 3. The method of claim 1 or 2,
The vacuum generator 5 has a supply port 51a and an exhaust port 51b formed on one side and the other side of the device body 51 on the same horizontal line, respectively, and the device body 51 has a vertical partition wall ( 52) by means of a plurality of working spaces 53, and in each partition wall 52, a plurality of nozzles 53 are arranged on the same horizontal axis as the supply port 51a and the exhaust port 51b. A vacuum transfer device having a modular multiple vacuum generator, characterized in that it is installed in accordance with the
3. The method of claim 2,
The inlet opening/closing damper 8 is integrally formed with first and second opening/closing damper blocking plates 8b and 8c formed at an angle on the left and right sides of the opening/closing damper shaft 8a, respectively, and each of the first and second opening/closing dampers The damper blocking plate (8b, 8c) is a vacuum transport device having a plurality of modular vacuum generators, characterized in that formed in a curved surface along the inner shape of the vacuum hopper (1) formed in a cylindrical shape.
3. The method of claim 2,
In the first and second raw material discharge passages 2a and 2b, each of the first and second outlets 21a and 21b is symmetrically formed in the inward direction, and the first and second outlets 21a and 21b are formed. is separated to the left and right by the partition wall 11, the discharge damper 22 is installed between the first and second discharge ports 21a and 21b, and the discharge damper 22 is a discharge damper shaft 24 ), the first and second discharge blocking plates 23a and 23b are integrally formed on the left and right sides to form an angle, and the first and second raw material discharge passages 2a and 2b are formed integrally by left and right rotation. 1, 2, a vacuum transfer device having a plurality of modular vacuum generators, characterized in that configured to selectively open and close the outlets (21a, 21b).
3. The method of claim 2,
In the first and second air intake passages 7a and 7b, each of the first and second intake ports 71a and 71b is symmetrically formed in the inward direction, and the first and second intake ports 71a and 71b are formed. An intake damper 72 integrally formed with the first and second intake blocking plates 73a and 73b forming an angle on the left and right about the intake damper shaft 74 is installed between the intake damper 72 A vacuum transfer device having a plurality of modular vacuum generators, characterized in that the first and second intake ports (71a, 71b) are selectively opened and closed by left and right rotation of the .
3. The method of claim 1 or 2,
The vacuum hopper (1) further comprises a filter backwashing unit (4) capable of backwashing the filter unit (6).
10. The method of claim 9,
In the filter backwashing unit 4 , a high pressure tank 41 is provided on one side of the vacuum hopper 1 on the upper side of the filter unit 6 , and the high pressure tank 41 is a vacuum hopper through a high pressure air supply pipe 42 . It is connected to (1) and between the high-pressure tank (41) and the high-pressure air supply pipe (42) is configured to be opened and closed by a solenoid valve (43).

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