CN213286019U - Dust removal mechanism of grain winnowing machine - Google Patents
Dust removal mechanism of grain winnowing machine Download PDFInfo
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- CN213286019U CN213286019U CN202021718617.4U CN202021718617U CN213286019U CN 213286019 U CN213286019 U CN 213286019U CN 202021718617 U CN202021718617 U CN 202021718617U CN 213286019 U CN213286019 U CN 213286019U
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Abstract
The utility model discloses a dust removing mechanism of a grain winnowing machine, which comprises a winnowing machine body, a first pulse dust collector, a second pulse dust collector and an exhaust channel; the top of the winnowing machine body is provided with a dust outlet, the dust outlet is provided with an exhaust switching device, the exhaust switching device is connected with a first dust-containing air inlet pipe and a second dust-containing air inlet pipe, and the other ends of the first dust-containing air inlet pipe and the second dust-containing air inlet pipe are respectively connected with a first pulse dust collector and a second pulse dust collector; the first pulse dust collector and the second pulse dust collector are internally provided with a backflushing ash removal device and a cloth bag support, and the bottom of the cloth bag support is provided with a plurality of cloth bag filter elements; a fan is arranged in the air exhaust channel, a first purified gas outlet pipe is connected between the air exhaust channel and the first pulse dust collector, and a second purified gas outlet pipe is connected between the air exhaust channel and the second pulse dust collector. The utility model relates to a dust removal mechanism of grain air separator, its dust removal effect is good, is favorable to improving the grain quality, and reduces the pollution to the environment.
Description
Technical Field
The utility model relates to a dust removal mechanism of grain air separator.
Background
The winnowing machine is a device for screening materials by using air flow, and is widely applied to the grain processing industry. The existing winnowing machine has the defects that the existing winnowing machine is not thorough in dust removal due to the fact that a special dust removal device is not arranged, a large amount of dust is contained in the sorted grains, the quality of the grains is seriously influenced, and discharged gas contains a large amount of dust, so that the environment is seriously polluted, and the health of workers is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dust removal mechanism of grain air separator, its is rational in infrastructure, and dust removal effect is good, is favorable to improving the grain quality, and reduces the pollution to the environment.
In order to achieve the purpose, the technical scheme of the utility model is to design a dust removing mechanism of a grain winnowing machine, which comprises a frame, and a winnowing machine body, a first pulse dust collector, a second pulse dust collector and an exhaust channel which are arranged on the frame;
the top of the winnowing machine body is provided with a dust outlet, the dust outlet is provided with an exhaust switching device, the exhaust switching device comprises a shell, a connecting pipe is arranged between the side part of the shell and the dust outlet, a first dust-containing air inlet pipe is arranged at the top part of the shell, the two ends of the first dust-containing air inlet pipe are respectively a first inlet end and a first outlet end, the first inlet end is positioned in the shell, the bottom of the shell is provided with a second dust-containing air inlet pipe, the two ends of the second dust-containing air inlet pipe are respectively a second inlet end and a second outlet end, the second inlet end is positioned in the shell, the second inlet end is positioned right below the first inlet end, the top of the shell is also provided with a driving cylinder with a downward output shaft, the output shaft of the driving cylinder penetrates through the shell and extends into the shell, and is connected with a movable sealing plate which is positioned between the first inlet end and the second inlet end;
the first pulse dust collector and the second pulse dust collector respectively comprise a dust chamber, an air purifying chamber arranged at the top of the dust chamber, a cloth bag support arranged in the dust chamber, a plurality of cloth bag filter elements arranged at the bottom of the cloth bag support, and a backflushing ash removal device arranged in the dust chamber; the backflushing ash removal device comprises a blowing pipe arranged above the cloth bag support, one end of the blowing pipe extends to the outside of the dust chamber and is connected with an electromagnetic pulse valve, the dust chamber of the first pulse dust collector is connected with a first outlet end of a first dust-containing air inlet pipe, and the dust chamber of the second pulse dust collector is connected with a second outlet end of a second dust-containing air inlet pipe;
a fan is arranged in the air exhaust channel, a first purified air outlet pipe is connected between the air exhaust channel and an air purifying chamber of the first pulse dust collector, and a second purified air outlet pipe is connected between the air exhaust channel and an air purifying chamber of the second pulse dust collector.
Preferably, the injection pipe is connected with a plurality of injection branch pipes which are in one-to-one correspondence with the cloth bag filter element, and each injection branch pipe is positioned at an air outlet of the corresponding cloth bag filter element.
Preferably, the top of the housing is provided with a through hole for the piston rod of the driving cylinder to penetrate through, and a sealing ring sleeved on the piston rod is fixed in the through hole.
Preferably, the bottom of the dust removing chamber is provided with an ash collecting hopper, and the bottom of the ash collecting hopper is provided with an ash discharging valve.
Preferably, the bottom of the frame is provided with a travelling wheel.
The utility model has the advantages and the beneficial effects that: the dust removal mechanism of the grain winnowing machine is reasonable in structure, good in dust removal effect, beneficial to improving grain quality and capable of reducing pollution to the environment.
When the pulse dust collector works, firstly, a piston rod of the air cylinder is in an extending state, a second inlet end of a second dust-containing air inlet pipe is sealed by a movable sealing plate, at the moment, the first pulse dust collector is in a working state, dust-containing air discharged from a dust outlet is discharged into a dust collecting chamber of the first pulse dust collector through a first dust-containing air inlet pipe, fine dust is captured and filtered when drifting to a cloth bag filter element along with air flow, clean air passes through the cloth bag filter element and enters a clean air chamber, then enters an air exhaust channel through a first clean air outlet pipe, is discharged from the air exhaust channel, and is continuously captured along with dust, when more dust is accumulated on the cloth bag filter element in the first pulse dust collector, a backflushing dust cleaning device in the first pulse dust collector is started to work, so that the dust accumulated on the cloth bag filter element is blown into a dust collecting hopper through a blowing pipe and a blowing branch; and simultaneously, controlling the output shaft of the driving cylinder to retract, driving the movable sealing plate to move upwards and block the first inlet end, enabling the second pulse dust collector to be in a working state, discharging dust-containing air discharged from the dust outlet into a dust chamber of the second pulse dust collector through a second dust-containing air inlet pipe, performing dust removal work through the second pulse dust collector, starting a backflushing dust removal device in the second pulse dust collector to work until more dust is accumulated on a cloth bag filter element in the second pulse dust collector, and simultaneously controlling the piston rod of the driving cylinder to extend out again to enable the first pulse dust collector to be in the working state. The first pulse dust collector and the second pulse dust collector work alternately and circularly, so that the dust removal efficiency is effectively improved.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Figure 2 is a schematic view of a dust chamber of the present invention.
Fig. 3 is a schematic diagram of the middle exhaust switching device of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The utility model discloses the technical scheme who specifically implements is:
as shown in fig. 1, 2 and 3, a dust removing mechanism of a grain winnowing machine comprises a frame, and a winnowing machine body 1, a first pulse dust collector 2, a second pulse dust collector 3 and an exhaust channel 4 which are arranged on the frame;
the top of the winnowing machine body 1 is provided with a dust outlet, the dust outlet is provided with an exhaust switching device 5, the exhaust switching device 5 comprises a shell 6, a connecting pipe 7 is arranged between the side part of the shell 6 and the dust outlet, the top of the shell 6 is provided with a first dust-containing air inlet pipe 8, the two ends of the first dust-containing air inlet pipe 8 are respectively a first inlet end 9 and a first outlet end, the first inlet end 9 is positioned in the shell 6, the bottom of the shell 6 is provided with a second dust-containing air inlet pipe 10, the two ends of the second dust-containing air inlet pipe 10 are respectively a second inlet end 11 and a second outlet end, the second inlet end 11 is positioned in the shell 6, the second inlet end 11 is positioned under the first inlet end 9, the top of the shell 6 is further provided with a driving cylinder 12 with a downward output shaft, the output shaft of the driving cylinder 12 penetrates through the shell 6 and extends to the inside of the shell 6, and the output shaft of the driving cylinder 12 is connected with a movable sealing plate 13, and the movable sealing plate 13 is positioned between the first inlet end 9 and the second inlet end 11;
the first pulse dust collector 2 and the second pulse dust collector 3 respectively comprise a dust chamber 14, an air purifying chamber 15 arranged at the top of the dust chamber 14, a cloth bag support 16 arranged in the dust chamber 14, a plurality of cloth bag filter elements 17 arranged at the bottom of the cloth bag support 16, and a backflushing dust cleaning device arranged in the dust chamber 14; the backflushing ash removal device comprises an injection pipe 18 arranged above a cloth bag support 16, one end of the injection pipe 18 extends to the outside of a dust chamber 14 and is connected with an electromagnetic pulse valve 19, the dust chamber of the first pulse dust collector 2 is connected with a first outlet end of a first dust-containing air inlet pipe 8, and the dust chamber of the second pulse dust collector 3 is connected with a second outlet end of a second dust-containing air inlet pipe 10;
a fan 20 is arranged in the air exhaust channel 4, a first purified air outlet pipe 21 is connected between the air exhaust channel 4 and the air purifying chamber 15 of the first pulse dust collector 2, and a second purified air outlet pipe 22 is connected between the air exhaust channel 4 and the air purifying chamber 15 of the second pulse dust collector 3.
The blowing pipe 18 is connected with a plurality of blowing branch pipes 23 which are in one-to-one correspondence with the cloth bag filter element 17, and each blowing branch pipe 23 is positioned at an air outlet of the corresponding cloth bag filter element 17.
The top of the housing 6 is provided with a through hole for the piston rod of the driving cylinder 12 to pass through, and a sealing ring 24 sleeved on the piston rod is fixed in the through hole.
The bottom of the dust chamber 14 is provided with an ash collecting hopper 25, and the bottom of the ash collecting hopper 25 is provided with an ash discharging valve 26.
The bottom of the frame is provided with a traveling wheel.
The utility model has the advantages and the beneficial effects that: the dust removal mechanism of the grain winnowing machine is reasonable in structure, good in dust removal effect, beneficial to improving grain quality and capable of reducing pollution to the environment.
When the dust collector works, a piston rod of the driving cylinder 12 is in an extending state, the movable sealing plate 13 seals a second inlet end 11 of the second dust-containing air inlet pipe 10, at the moment, the first pulse dust collector 2 is in a working state, dust-containing air discharged from a dust outlet is discharged into a dust chamber 14 of the first pulse dust collector 2 through the first dust-containing air inlet pipe 8, fine dust is captured and filtered when drifting to the cloth bag filter element 17 along with air flow, clean air passes through the cloth bag filter element 17 and enters the air purifying chamber 15, then enters the exhaust channel 4 through the first clean air outlet pipe 21, is discharged from the exhaust channel 4, and is continuously captured along with dust, when more dust is accumulated on the cloth bag filter element 17 in the first pulse dust collector 2, the back-flushing dust cleaning device in the first pulse dust collector 2 is started to work, so that the dust accumulated on the cloth bag filter element 17 is blown into the dust collecting hopper 25 through the blowing pipe 18 and the blowing branch pipe 23; meanwhile, the retraction of the output shaft of the driving cylinder 12 is controlled, so that the movable sealing plate 13 is driven to move upwards and block the first inlet end 9, at the moment, the second pulse dust collector 3 is in a working state, dust-containing air discharged from a dust outlet is discharged into a dust chamber 14 of the second pulse dust collector 3 through a second dust-containing air inlet pipe 10, the second pulse dust collector 3 performs dust collection work, until more dust is accumulated on a cloth bag filter element 17 in the second pulse dust collector 3, a backflushing dust removal device in the second pulse dust collector 3 is started to work, and meanwhile, the piston rod of the driving cylinder 12 is controlled to extend out again, so that the first pulse dust collector 2 is in the working state. The dust removal efficiency is effectively improved by enabling the first pulse dust remover 2 and the second pulse dust remover 3 to work circularly and alternately.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A dust removal mechanism of a grain winnowing machine is characterized by comprising a rack, a winnowing machine body, a first pulse dust collector, a second pulse dust collector and an exhaust channel, wherein the winnowing machine body, the first pulse dust collector, the second pulse dust collector and the exhaust channel are arranged on the rack;
the top of the winnowing machine body is provided with a dust outlet, the dust outlet is provided with an exhaust switching device, the exhaust switching device comprises a shell, a connecting pipe is arranged between the side part of the shell and the dust outlet, a first dust-containing air inlet pipe is arranged at the top part of the shell, the two ends of the first dust-containing air inlet pipe are respectively a first inlet end and a first outlet end, the first inlet end is positioned in the shell, the bottom of the shell is provided with a second dust-containing air inlet pipe, the two ends of the second dust-containing air inlet pipe are respectively a second inlet end and a second outlet end, the second inlet end is positioned in the shell, the second inlet end is positioned right below the first inlet end, the top of the shell is also provided with a driving cylinder with a downward output shaft, the output shaft of the driving cylinder penetrates through the shell and extends into the shell, and is connected with a movable sealing plate which is positioned between the first inlet end and the second inlet end;
the first pulse dust collector and the second pulse dust collector respectively comprise a dust chamber, an air purifying chamber arranged at the top of the dust chamber, a cloth bag support arranged in the dust chamber, a plurality of cloth bag filter elements arranged at the bottom of the cloth bag support, and a backflushing ash removal device arranged in the dust chamber; the backflushing ash removal device comprises a blowing pipe arranged above the cloth bag support, one end of the blowing pipe extends to the outside of the dust chamber and is connected with an electromagnetic pulse valve, the dust chamber of the first pulse dust collector is connected with a first outlet end of a first dust-containing air inlet pipe, and the dust chamber of the second pulse dust collector is connected with a second outlet end of a second dust-containing air inlet pipe;
a fan is arranged in the air exhaust channel, a first purified air outlet pipe is connected between the air exhaust channel and an air purifying chamber of the first pulse dust collector, and a second purified air outlet pipe is connected between the air exhaust channel and an air purifying chamber of the second pulse dust collector.
2. The dust removing mechanism of the grain winnowing machine according to claim 1, wherein a plurality of blowing branch pipes corresponding to the cloth bag filter elements one by one are connected to the blowing pipe, and each blowing branch pipe is positioned at the air outlet of the corresponding cloth bag filter element.
3. The dust removing mechanism of grain winnowing machine of claim 2, wherein the top of the housing is provided with a through hole for the piston rod of the driving cylinder to pass through, and a sealing ring sleeved on the piston rod is fixed in the through hole.
4. The dust removing mechanism of the grain winnowing machine according to claim 3, wherein an ash collecting hopper is arranged at the bottom of the dust removing chamber, and an ash discharging valve is arranged at the bottom of the ash collecting hopper.
5. The dust removing mechanism of the grain winnowing machine of claim 4, wherein a travelling wheel is mounted at the bottom of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021718617.4U CN213286019U (en) | 2020-08-18 | 2020-08-18 | Dust removal mechanism of grain winnowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021718617.4U CN213286019U (en) | 2020-08-18 | 2020-08-18 | Dust removal mechanism of grain winnowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213286019U true CN213286019U (en) | 2021-05-28 |
Family
ID=76025195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021718617.4U Expired - Fee Related CN213286019U (en) | 2020-08-18 | 2020-08-18 | Dust removal mechanism of grain winnowing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213286019U (en) |
-
2020
- 2020-08-18 CN CN202021718617.4U patent/CN213286019U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210528 |
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| CF01 | Termination of patent right due to non-payment of annual fee |