CN115156050A

CN115156050A - Vertical winnowing machine

Info

Publication number: CN115156050A
Application number: CN202210820815.9A
Authority: CN
Inventors: 吴清术; 曾茂山; 程榕; 宋权波
Original assignee: Fujian Zengzhi Environmental Protection Technology Co ltd
Current assignee: Fujian Zengzhi Environmental Protection Technology Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-10-11
Anticipated expiration: 2042-07-13

Abstract

The invention provides a vertical winnowing machine, which comprises a rack, a discharge hopper fixed on the upper part of the rack, a discharge pipeline communicated with the discharge end of the lower part of the discharge hopper, and a light material bin positioned beside the discharge pipeline, wherein the bottom of the discharge pipeline is provided with a heavy material discharge port, the side of the discharge pipeline is also provided with a check pipeline communicated with the heavy material discharge port, the upper part of the discharge pipeline is provided with a first discharge channel communicated with the light material bin, the upper end of the check pipeline is provided with a check channel communicated with the first discharge channel and a second discharge channel communicated with the light material bin, and the lower part of the rack is provided with a fan for supplying air to the side parts of the discharge pipeline and the check pipeline.

Description

Vertical winnowing machine

Technical Field

The invention relates to a vertical winnowing machine.

Background

The vertical separator controls the air speed of the winnowing equipment by using vertical air flow through separation gravity and controls the material separation granularity to control the material separation effect. Traditional wind-force sorter utilizes the shakelong as the collector of light material, and the air current passes through the passageway that the shakelong was buckled, and speed slows down, and speed loss is big, and the air separator energy consumption is high, and well material only once selects separately and leads to the product separation efficiency lower, and the material whereabouts is fast, and the material is short in wind gap department dwell time, leads to selecting separately not thoroughly, and influences final selection by winnowing effect.

Disclosure of Invention

The invention improves the problems, namely the technical problems to be solved by the invention are that the traditional wind power separator uses the cyclone as a collector of light materials, airflow passes through a bent channel of the cyclone, the speed is reduced, the speed loss is large, the energy consumption of the winnowing machine is high, and the separation is not thorough.

The specific implementation scheme of the invention is as follows: the utility model provides a vertical air separator, includes the frame, is fixed in the discharge tube of the discharge hopper on frame upper portion, discharge hopper lower part discharge end intercommunication and is located discharge tube side light burden feed bin, the discharge tube bottom has the heavy burden discharge gate, the discharge tube side still is equipped with the check pipeline with heavy burden discharge gate intercommunication, the upper portion of discharge tube and the first row's of light burden feed bin utensil intercommunication material passageway, check the pipeline upper end have with the first row's of material passageway intercommunication check the passageway and with the second row's of light burden feed bin intercommunication material passageway, the frame lower part has the fan to the discharge tube with the air supply of the pipeline lateral part of checking.

Preferably, the discharge pipeline and the check pipeline are in a continuous reverse-bending broken line shape.

Preferably, the blower comprises a first blower communicated with the lower part of the discharge pipeline and a second blower communicated with the lower part of the check pipeline, an air outlet of the first blower is communicated with the discharge pipeline through a first air outlet pipe, and an air outlet of the second blower is communicated with the check pipeline through a second air outlet pipe;

a first inclined surface for guiding materials to the side deviating from the opening of the first air outlet pipe is arranged at the upper part of the first air outlet pipe in the discharge pipeline;

and a second inclined surface for guiding materials to the side deviating from the opening of the second air outlet pipe is arranged on the upper part of the second air outlet pipe in the check pipeline.

Preferably, the side parts of the first air outlet pipe and the second air outlet pipe are hinged with transparent window plates through hinges.

Preferably, the top of the discharge pipeline is communicated with a conical hopper, and the upper part of the conical hopper is communicated with the upper part of the light material bin; the discharge pipeline and the inner cavity of the light material bin form a first discharge channel;

the top of the check pipeline is communicated with the conical hopper to form the check channel; and the top of the check pipeline is also provided with a branch pipe communicated with the light material bin to form a second discharge channel.

Preferably, a vibrating feeder for feeding is further fixed on the frame, the vibrating feeder is provided with a discharging plate located above the discharging hopper and used for bearing materials, and a raised transverse barrier strip is fixed in the middle of the discharging plate.

Preferably, the edge of the inner wall of the conical hopper is provided with a chamfer or is in circular arc transition, the edge of the conical hopper is made of PVC materials, and the fan is a variable frequency fan.

Preferably, the fan still communicates with light material feed bin upper portion has the back flow, the back flow has the screen board that keeps out the wind with the intercommunication department in light material feed bin, the screen board that keeps out the wind has the sieve mesh.

Preferably, the bottom of the light material bin is provided with a light material discharge port, and the lower part of the discharge hopper, which is communicated with the discharge pipeline, is provided with an ash discharge valve for controlling the falling of the materials, and the heavy material discharge port and the light material discharge port are provided with ash discharge valves.

Preferably, the communicating part of the return pipe and the light material bin is positioned on one side of the top of the light material bin, which deviates from the discharge hopper, the top of the light material bin is also provided with a baffle screen which is obliquely arranged, and a vibrating motor is fixed on the baffle screen.

Compared with the prior art, the invention has the following beneficial effects:

(1) According to the invention, by designing the discharge pipeline and the check pipeline, the medium-density materials can enter the compound pipeline again for secondary air separation after being blown up by the discharge pipeline, so that the problem that the medium-density materials are accumulated to block the air separation channel is solved, and the light materials are separated again more accurately and have good effect;

(2) The discharge pipeline and the check pipeline are in a continuous reverse-bending broken line shape, so that materials collide with the air duct surface in the falling process, the materials are fully rolled, and the probability of direct falling after the materials are agglomerated and entrained is reduced. Meanwhile, the bent material channel design enables the air flow stroke to be lengthened, so that the material is fully contacted with the air flow;

(3) A first inclined surface for guiding materials to the side deviating from the opening of the first air outlet pipe is arranged at the upper part of the first air outlet pipe in the discharge pipeline; and a second inclined surface for guiding materials to the side deviating from the opening of the second air outlet pipe is arranged on the upper part of the second air outlet pipe in the check pipeline. The inclined plane of utilizing the guide makes and avoids first air-out pipe and second air-out pipe material whereabouts route, prevents that the heavy burden from getting into the fan air intake, blocks the passageway.

(4) The lower part of the discharge hopper is communicated with the discharge pipeline, and the heavy material discharge port and the light material discharge port are provided with the ash discharge valve seal for controlling the falling of materials, so that the air inlet amount and the air outlet amount of an inner space are balanced, the feed port and the discharge port are completely sealed, no overflowed air flow and no dust pollution exist, and the gas is completely recycled;

(5) In the aspect of feeding, the vibrating feeder is used for uniformly distributing materials, and meanwhile, the transverse barrier strips are added on the surface of the vibrating feeder, so that the materials are distributed more uniformly;

(6) The edge of the inner wall of the conical hopper is provided with a chamfer or is in arc transition, and a PVC pipe is used as a chamfer material, so that the material is prevented from being accumulated at a corner to cause material blockage, the friction force is smaller, and the processing is convenient.

(7) According to the invention, the side parts of the first air outlet pipe and the second air outlet pipe are hinged with the transparent window plate through hinges, the internal condition of the air duct can be observed through the transparent window plate, and the first air outlet pipe or the second air outlet pipe can be opened and cleaned when materials are accumulated in the first air outlet pipe or the second air outlet pipe.

(8) The joint of the return pipe and the light material bin is provided with a wind screen plate, and the plate is provided with a diameter screen hole. The sieve holes play a role in preventing long fibers from entering the fan to block the impeller. Meanwhile, the whole sieve plate plays a role in blocking airflow, so that the airflow stroke is prolonged, the speed is reduced, and light materials in the airflow are easier to settle.

(9) The invention is also provided with a clapboard screen, the clapboard screen is provided with a dust cleaning vibration motor, and dust and batting on the clapboard screen are lightened by vibration.

Drawings

Fig. 1 is a schematic front side three-dimensional structure diagram according to an embodiment of the invention.

Fig. 2 is a schematic front side sectional view of an embodiment of the invention.

Fig. 3 is an enlarged structural schematic view of the first inclined surface and the second inclined surface in fig. 2 according to the embodiment of the present invention.

Fig. 4 is an enlarged schematic view of the structure of the vibrating feeder.

Fig. 5 is a schematic view of a rear transparent window plate structure according to an embodiment of the present invention.

In the figure: 10-frame, 20-discharge hopper, 210-vibrating feeder, 211-transverse barrier strip, 310-discharge pipeline, 311-first inclined plane, 320-check pipeline, 321-second inclined plane, 330-conical hopper, 340-heavy material discharge port, 40-light material bin, 410-light material discharge port, 50-heavy material discharge port, 530-return pipe, 531-wind screen plate, 540-partition screen mesh, 541-vibrating motor, 501-first discharge channel, 502-check channel, 503-second discharge channel, 610-first fan, 611-first air outlet pipe, 620-second fan, 612-second air outlet pipe, 630-transparent window plate and 70-ash discharge valve.

Detailed Description

The invention is described in further detail below with reference to the drawings and the detailed description.

As shown in fig. 1 to 5, a vertical winnowing machine includes a frame 10, a discharge hopper 20 fixed on the upper portion of the frame 10, a discharge duct 310 communicated with the discharge end of the lower portion of the discharge hopper 20, and a light material bin 40 located beside the discharge duct, wherein a heavy material discharge port 340 is provided at the bottom of the discharge duct 310, a check duct 320 communicated with the heavy material discharge port 340 is further provided beside the discharge duct, a first material discharge passage 501 communicated with the light material bin is provided at the upper portion of the discharge duct 310, a check passage 502 communicated with the first material discharge passage and a second material discharge passage 503 communicated with the light material bin are provided at the upper end of the check duct, and a fan for blowing air to the side portions of the discharge duct and the check duct is provided at the lower portion of the frame.

In this embodiment, the top of the discharge pipe is communicated with a conical hopper 330, and the upper part of the conical hopper 330 is communicated with the upper part of the light material bin; the discharge pipeline 310 and the inner cavity of the light material bin form a first discharge channel 501;

the top of the check pipeline 320 is communicated with the conical hopper 330 to form the check channel 502;

the top of the check pipe is also provided with a branch pipe communicated with a light material bin to form a second discharge channel 503.

In this embodiment, the blower includes a first blower 610 communicated with the lower portion of the discharge duct 310 and a second blower 620 communicated with the lower portion of the check duct, an air outlet of the first blower 610 is communicated with the discharge duct 310 through a first air outlet pipe 611, and an air outlet of the second blower 620 is communicated with the check duct 320 through a second air outlet pipe 621;

during operation, materials fall from the discharge hopper 20, fall along the discharge pipeline 310 under the action of gravity, and then are subjected to air intake from bottom to top provided by the first fan 610 from the first air outlet pipe 611, the light materials of the primary screen are blown into the light material bin 40 at the side from the top of the discharge pipeline 310 through the first discharge channel 501, and the heavy materials are discharged through the heavy material discharge port 340 at the bottom of the discharge pipeline 310;

in the process, the heavy part of the material entering the top of the discharge pipeline 310 falls into the check pipeline 320 through the check channel 502 which is communicated with the check pipeline 320 through the top of the discharge pipeline 310 under the action of gravity, the bottom of the check pipeline 320 is also provided with an air inlet which is communicated with the air outlet end of the fan, the check pipeline 320 is influenced by the wind power of the fan from bottom to top, and the light material in the check pipeline 320 is screened out again and enters the light material bin through the second discharge channel 503; the heavier material enters the heavy material outlet 340 through the bottom of the check pipe 320.

Then, by designing the discharge pipeline 310 and the check pipeline 320, the invention can enable the medium-density materials blown up by the discharge pipeline to enter the double pipeline again for secondary air separation, thereby solving the problem that the medium-density materials are accumulated to block the air separation channel, avoiding the accumulation of the medium-density materials at the conical hopper, ensuring more accurate light materials to be separated again and having good separation effect.

As shown in fig. 3, in one embodiment of the present invention, the discharge duct 310 is in the form of a continuous reverse-folded broken line with the check duct 320. The discharge pipeline and the check pipeline are in a continuous reverse-bending broken line shape, so that materials continuously reversely collide with the air duct surface in the falling process, the materials are fully rolled, and the probability of direct falling after the materials are agglomerated and entrained is reduced. Meanwhile, the bent material channel design enables the air flow stroke to be lengthened, so that the material is fully contacted with the air flow; the separation time is improved, and the separation quality is guaranteed.

In yet another embodiment of the invention:

a first inclined surface 311 for guiding materials to the side deviating from the opening of the first air outlet pipe 611 is arranged at the upper part of the first air outlet pipe in the discharge pipeline 310;

the check pipeline 320 is provided with a second inclined surface 321 which guides the material to the side deviating from the opening of the second air outlet pipe 621 and is positioned at the upper part of the second air outlet pipe.

The inclined planes are arranged, so that when the materials are close to the air inlets of the discharge pipeline 310 and the check pipeline 320 in the falling process of the discharge pipeline 310 or the check pipeline 320 by using the inclined planes for guiding the materials, the materials slide to one side away from the air inlets under the guiding action of the first inclined plane 311 and the second inclined plane 321, and thus, the heavy materials are prevented from entering the air inlets of the fans and blocking the channels.

In addition, in an embodiment of the present invention, in order to conveniently observe the inside condition of the air duct, in an embodiment of the present invention, the side portions of the first air outlet pipe 611 and the second air outlet pipe 612 are hinged to a transparent window plate 630 through hinges, the transparent window plate 630 is made of transparent plastic, one side can be opened through the hinged connection, the outside can observe the inside condition of the air duct through the transparent window plate 630, and when the inside of the first air outlet pipe or the second air outlet pipe is found to be accumulated with materials, the transparent window plate can be opened for cleaning.

In an embodiment of the present invention, the edge of the inner wall of the conical hopper is chamfered or in a circular arc transition, the edge of the conical hopper is made of PVC, and the edge of the inner wall of the discharge hopper 20 is chamfered or in a circular arc transition, so that the material is prevented from being accumulated at the corner to cause material blockage, and the friction force is smaller, and the processing is convenient.

(9) In the above embodiment of the present invention, the bottom of the light material bin 40 is provided with the light material outlet 410, the lower portion of the discharge hopper 20, which is communicated with the discharge pipeline 310, the heavy material outlet 50 and the light material outlet 410 are provided with the ash discharge valves 70 for controlling the falling of the materials, and the lower portion of the discharge hopper, which is communicated with the discharge pipeline, the heavy material outlet and the light material outlet of the present invention, are provided with the ash discharge valve seals for controlling the falling of the materials, so that the air intake and the air output of the internal space are balanced, no overflow air flow exists, no dust pollution exists, and the gas is completely recycled.

The fan is a variable frequency fan, and the air quantity can be better controlled through the variable frequency fan, so that different sorting wind power can be designed according to different materials.

In yet another embodiment of the invention: the vibrating feeder 210 for feeding is further fixed on the frame, the vibrating feeder is provided with a discharging plate located above the discharging hopper and used for bearing materials, and a raised transverse barrier strip 211 is fixed in the middle of the discharging plate. In the invention, the vibrating feeder 101 is used for uniformly distributing materials, and in the aspect of feeding, the transverse barrier strips 211 are added on the surface of the vibrating feeder, so that the materials are distributed more uniformly;

the fan is also communicated with the upper part of the light material bin through a return pipe 530, a wind shielding sieve plate 531 is arranged at the communication part of the return pipe and the light material bin, and the wind shielding sieve plate is provided with sieve holes. The sieve holes play a role in preventing long fibers from entering the fan to block the impeller. Meanwhile, the whole sieve plate plays a role in blocking airflow, so that the airflow stroke is prolonged, the speed is reduced, and light materials in the airflow are easier to settle.

In yet another embodiment of the invention: the communicating part of the return pipe 530 and the light material bin is positioned on one side of the top of the light material bin, which deviates from the discharge hopper, the top of the light material bin is also provided with a separator screen 540 which is obliquely arranged, and a vibration motor 541 is fixed on the separator screen, and the separator screen 540 vibrates dust and flocks on the light material separator screen.

During operation, the light dust and lint of the light material entering the light material bin 40 will rise and adhere to the partition screen 540, and the dust and lint on the light material partition screen 540 will be shaken off to the lower side by the vibration motor 541.

If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using a bolt or screw connection) can also be understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.

Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.

Finally, it should be noted that the above examples are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications of the embodiments of the invention or equivalent substitutions for parts of the technical features are possible; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.

Claims

1. The utility model provides a vertical air separator, its characterized in that, includes the frame, is fixed in the discharge conduit of discharge hopper, discharge hopper lower part discharge end intercommunication on frame upper portion and is located discharge conduit side light burden feed bin, the discharge conduit bottom has the heavy burden discharge gate, the discharge conduit side still is equipped with the check pipeline with heavy burden discharge gate intercommunication, the upper portion of discharge conduit and the first row of material passageway of light burden feed bin utensil intercommunication, check pipeline upper end have with the check passageway of first row of material passageway intercommunication and with the second row of material passageway of light burden feed bin intercommunication, the frame lower part has the fan to discharge conduit and check pipeline lateral part air supply.

2. The vertical air classifier according to claim 1, wherein the discharge duct is in the form of a continuous reverse-folded broken line with the check duct.

3. The vertical winnowing machine according to claim 1 or 2, wherein the blower comprises a first blower communicated with the lower part of the discharge duct and a second blower communicated with the lower part of the check duct, the air outlet of the first blower is communicated with the discharge duct through a first air outlet pipe, and the air outlet of the second blower is communicated with the check duct through a second air outlet pipe;

4. The vertical winnowing machine of claim 3, wherein the side portions of the first air outlet pipe and the second air outlet pipe are hinged with transparent window plates through hinges.

5. The vertical winnowing machine according to claim 1 or 2, characterized in that the top of the discharge duct is communicated with a conical hopper, and the upper part of the conical hopper is communicated with the upper part of the light material bin; the discharge pipeline and the inner cavity of the light material bin form a first discharge channel;

6. The vertical winnowing machine according to claim 1, characterized in that a vibratory feeder for feeding is further fixed on the frame, the vibratory feeder is provided with a discharge plate located above the discharge hopper and used for bearing materials, and a raised transverse barrier strip is fixed in the middle of the discharge plate.

7. The vertical winnowing machine of claim 5, wherein the edge of the inner wall of the conical hopper is chamfered or in an arc transition, the edge of the conical hopper is made of PVC material, and the fan is a variable frequency fan.

8. The vertical winnowing machine according to claim 1, wherein a return pipe is further communicated with the upper part of the light material bin through the fan, a wind shielding sieve plate is arranged at the communication position of the return pipe and the light material bin, and the wind shielding sieve plate is provided with sieve holes.

9. The vertical winnowing machine according to claim 1, wherein the bottom of the light material bin is provided with a light material outlet, and the lower part of the discharge hopper, which is communicated with the discharge pipeline, is provided with an ash discharge valve for controlling the falling of the materials, and the heavy material outlet and the light material outlet are provided with ash discharge valves.

10. The vertical winnowing machine according to claim 3, wherein the communication position of the return pipe and the light material bin is located on the side, away from the discharge hopper, of the top of the light material bin, a partition screen is further arranged on the top of the light material bin in an inclined manner, and a vibration motor is fixed on the partition screen.