CN111974105A - Winnowing machine with dust removal function - Google Patents
Winnowing machine with dust removal function Download PDFInfo
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- CN111974105A CN111974105A CN202010829313.3A CN202010829313A CN111974105A CN 111974105 A CN111974105 A CN 111974105A CN 202010829313 A CN202010829313 A CN 202010829313A CN 111974105 A CN111974105 A CN 111974105A
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- dust
- dust removal
- chamber
- pulse
- cloth bag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/446—Auxiliary equipment or operation thereof controlling filtration by pressure measuring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/90—Devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration or maintenance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a winnowing machine with a dust removal function, which comprises a winnowing machine body and a dust removal mechanism, wherein the winnowing machine body is provided with a dust removal mechanism; the top of the winnowing machine body is provided with a dust outlet, and an exhaust switching device is arranged at the dust outlet; the dust removal mechanism comprises a first pulse dust remover, a second pulse dust remover and an exhaust channel, wherein the first pulse dust remover and the second pulse dust remover respectively comprise a dust removal chamber, an air purification chamber arranged at the top of the dust removal chamber and a backflushing dust removal device arranged in the dust removal chamber; the exhaust switching device is respectively connected with the dust chambers of the first pulse dust collector and the second pulse dust collector through a first dust-containing air inlet pipe and a second dust-containing air inlet pipe; the exhaust channel is internally provided with a fan and is respectively connected with the air purifying chambers of the first pulse dust collector and the second pulse dust collector through a first purified air outlet pipe and a second purified air outlet pipe. The winnowing machine with the dust removal function has the advantages of reasonable structure and good dust removal effect, is favorable for improving the quality of grains, and reduces the pollution to the environment.
Description
Technical Field
The invention relates to a winnowing machine with a dust removal function.
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.
Disclosure of Invention
The invention aims to provide a winnowing machine with a dust removal function, which is reasonable in structure, good in dust removal effect, beneficial to improving the quality of grains and capable of reducing pollution to the environment.
In order to achieve the purpose, the technical scheme of the invention is to design a winnowing machine with a dust removal function, which comprises a rack, and a winnowing machine body and a dust removal mechanism which 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 dust removal mechanism comprises a first pulse dust remover, a second pulse dust remover, an exhaust channel and a controller, wherein the first pulse dust remover and the second pulse dust remover respectively comprise a dust removal chamber, an air purification chamber arranged at the top of the dust removal chamber, a cloth bag support arranged in the dust removal chamber, a plurality of cloth bag filter elements arranged at the bottom of the cloth bag support, a pressure sensor arranged in the dust removal chamber and a backflushing dust removal device arranged in the dust removal chamber; the dust chamber comprises a first side wall and a second side wall which are arranged oppositely, supporting blocks are respectively arranged at the inner sides of the first side wall and the second side wall, the two supporting blocks are positioned below the cloth bag support, and the top of each supporting block is provided with a guide rod which penetrates through the cloth bag bracket, the cloth bag bracket is provided with a sliding hole through which the guide rod penetrates, and a supporting spring sleeved on the guide rod is connected between the cloth bag support and the supporting block, the pressure sensor is fixed at the top of the supporting block, the pressure sensor is provided with a pressure measuring end which is used for contacting and propping against the bottom of the cloth bag bracket, the backflushing ash removal device comprises a jetting pipe arranged above the cloth bag bracket, 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 the first outlet end of the first dust-containing air inlet pipe, the dust chamber of the second pulse dust collector is connected with the second outlet end of the second dust-containing air inlet pipe; the controller is respectively and electrically connected with the driving cylinder, the pressure sensor and the electromagnetic pulse valve.
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 invention has the advantages and beneficial effects that: the winnowing machine with the dust removal function is reasonable in structure, good in dust removal effect, beneficial to improving the quality of grains and capable of reducing pollution to the environment.
When the dust collector is used, the piston rod of the driving cylinder is in an extending state, the second inlet end of the second dust-containing air inlet pipe is blocked by the movable sealing plate, the first pulse dust collector is in a working state, dust-containing air discharged from the dust outlet is discharged into the dust collecting chamber of the first pulse dust collector through the first dust-containing air inlet pipe, fine dust is captured and filtered when drifting to the cloth bag filter element along with air flow, clean air passes through the cloth bag filter element and enters the air purifying chamber, then enters the air exhaust channel through the first clean air outlet pipe and is discharged from the air exhaust channel, the weight of the cloth bag filter element in the first pulse dust collector is gradually increased along with continuous capture of the dust, so that the pressure of the cloth bag support acting on the pressure sensor is gradually increased, when the pressure is greater than a preset pressure value of the pressure sensor, the pressure sensor sends a signal to the controller, and the controller controls the backflushing ash removal device in the first pulse dust collector to work when receiving the signal; specifically, a controller controls an electromagnetic pulse valve in the backflushing ash removal device to be opened, so that dust accumulated on a cloth bag filter element is blown into a dust collection hopper through a blowing pipe and a blowing branch pipe; and when the controller receives a signal from the pressure sensor, the controller also controls the output shaft of the driving cylinder to retract, so that the movable sealing plate is driven to move upwards and block the first inlet end, at the moment, the second pulse dust collector is in a working state, dust-containing air discharged from the dust outlet is discharged into a dust chamber of the second pulse dust collector through a second dust-containing air inlet pipe, the second pulse dust collector performs dust collection operation, until the pressure of the bag support acting on the pressure sensor in the second pulse dust collector is greater than a preset pressure value, the controller controls the backflushing dust collection device in the second pulse dust collector to work, and simultaneously, the controller controls the piston rod of the driving cylinder to extend out again, so that the first pulse dust collector is 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 of the present invention.
Figure 2 is a schematic view of a clean room of the present invention.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is a schematic view of the exhaust gas switching device in the present invention.
Fig. 5 is a functional block diagram of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. 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 technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1 to 5, an air separator with a dust removing function comprises a frame, an air separator body 1 and a dust removing mechanism, wherein the air separator body and the dust removing mechanism 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 2, the exhaust switching device comprises a shell 3, a connecting pipe 4 is arranged between the side part of the shell 3 and the dust outlet, the top of the shell 3 is provided with a first dust-containing air inlet pipe 5, the two ends of the first dust-containing air inlet pipe are respectively a first inlet end 6 and a first outlet end, the first inlet end 6 is positioned in the shell 3, the bottom of the shell 3 is provided with a second dust-containing air inlet pipe 7, the two ends of the second dust-containing air inlet pipe 7 are respectively a second inlet end 8 and a second outlet end, the second inlet end 8 is positioned in the shell 3, the second inlet end 8 is positioned under the first inlet end 6, the top of the shell 3 is also provided with a driving cylinder 9 with an output shaft facing downwards, the output shaft of the driving cylinder 9 penetrates through the shell 3 and extends to the inside of the shell 3, the output shaft of the driving cylinder 9 is connected with a movable sealing plate 10, and the movable sealing plate 10 is positioned between the first inlet end 6 and the second inlet end 8;
the dust removing mechanism comprises a first pulse dust remover 11, a second pulse dust remover 12, an exhaust channel 13 and a controller, wherein the first pulse dust remover 11 and the second pulse dust remover 12 respectively comprise a dust removing chamber 14, an air purifying chamber 15 arranged at the top of the dust removing chamber 14, a cloth bag support 16 arranged in the dust removing chamber 14, a plurality of cloth bag filter elements 17 arranged at the bottom of the cloth bag support 16, a pressure sensor 18 arranged in the dust removing chamber 14 and a backflushing dust removing device arranged in the dust removing chamber 14; the dust removing chamber 14 comprises a first side wall 19 and a second side wall 20 which are oppositely arranged, the inner sides of the first side wall 19 and the second side wall 20 are respectively provided with a supporting block 21, two supporting blocks 21 are positioned below the cloth bag support 16, the top of each supporting block 21 is provided with a guide rod 22 which penetrates through the cloth bag support 16, the cloth bag support 16 is provided with a sliding hole through which the guide rod 22 penetrates, a supporting spring 23 which is sleeved on the guide rod 22 is connected between the cloth bag support 16 and the supporting block 21, the pressure sensor 18 is fixed at the top of the supporting block 21, the pressure sensor 18 is provided with a pressure measuring end which is used for contacting and abutting against the bottom of the cloth bag support 16, the backflushing dust cleaning device comprises a blowing pipe 24 which is arranged above the cloth bag support 16, one end of the blowing pipe 24 extends to the outside of the dust removing chamber 14 and is connected with an electromagnetic pulse valve 25, the dust removing chamber 14 of the first pulse dust remover 11 is connected with a, the dust chamber 14 of the second pulse dust collector 12 is connected with the second outlet end of the second dust-containing air inlet pipe 7; the controller is respectively electrically connected with the driving cylinder 9, the pressure sensor 18 and the electromagnetic pulse valve 25.
A fan 26 is arranged in the exhaust channel 13, a first purified gas outlet pipe 27 is connected between the exhaust channel 13 and the air purifying chamber 15 of the first pulse dust collector 11, and a second purified gas outlet pipe 28 is connected between the exhaust channel 13 and the air purifying chamber 15 of the second pulse dust collector 12.
The blowing pipe 24 is connected with a plurality of blowing branch pipes 29 which are in one-to-one correspondence with the cloth bag filter element 17, and each blowing branch pipe 29 is positioned at an air outlet of the corresponding cloth bag filter element 17.
The top of the housing 3 is provided with a through hole for the piston rod of the driving cylinder 9 to pass through, and a sealing ring 30 sleeved on the piston rod is fixed in the through hole.
The bottom of the dust chamber 14 is provided with a dust collecting hopper 31, and the bottom of the dust collecting hopper 31 is provided with a dust discharging valve 32.
The bottom of the frame is provided with a traveling wheel.
The invention has the advantages and beneficial effects that: the winnowing machine with the dust removal function is reasonable in structure, good in dust removal effect, beneficial to improving the quality of grains and capable of reducing pollution to the environment.
When the dust collector is used, firstly, a piston rod of the driving cylinder 9 is in an extending state, a second inlet end 8 of a second dust-containing air inlet pipe 7 is sealed by a movable sealing plate 10, at the moment, the first pulse dust collector 11 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 11 through a first dust-containing air inlet pipe 5, fine dust is captured and filtered when drifting to a cloth bag filter element 17 along with air flow, clean air passes through the cloth bag filter element 17 and enters a clean air chamber 15, then enters an exhaust channel 13 through a first clean air outlet pipe 27, and finally is discharged from the exhaust channel 13, along with continuous capture of dust, the weight of the cloth bag filter element 17 in the first pulse dust collector 11 is gradually increased, so that the pressure of a cloth bag support 16 acting on the pressure sensor 18 is gradually increased, and when the pressure is greater than a preset pressure value of the pressure sensor 18, the pressure sensor 18 sends a signal to a, when the controller receives the signal, the controller controls the back-flushing ash removal device in the first pulse dust collector 11 to work; specifically, the controller controls an electromagnetic pulse valve 25 in the backflushing ash removal device to be opened, so that dust accumulated on the cloth bag filter element 17 is blown into a dust collecting hopper 31 through a blowing pipe 24 and a blowing branch pipe 29; and when the controller receives a signal from the pressure sensor 18, the controller also retracts an output shaft of the driving cylinder 9, so that the movable sealing plate 10 is driven to move upwards and block the first inlet end 6, at the moment, the second pulse dust collector 12 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 12 through a second dust-containing air inlet pipe 7, the second pulse dust collector 12 performs dust collection operation, until the pressure of the bag support 16 in the second pulse dust collector 12 acting on the pressure sensor 18 is greater than a preset pressure value, the controller controls the backflushing dust collection device in the second pulse dust collector 12 to work, and simultaneously, the controller controls the piston rod of the driving cylinder 9 to extend out again, so that the first pulse dust collector 11 is in the working state. The dust removal efficiency is effectively improved by making the first pulse dust collector 11 and the second pulse dust collector 12 work alternately and circularly.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A winnowing machine with a dust removal function is characterized by comprising a rack, a winnowing machine body and a dust removal mechanism, wherein the winnowing machine body and the dust removal mechanism 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 dust removal mechanism comprises a first pulse dust remover, a second pulse dust remover, an exhaust channel and a controller, wherein the first pulse dust remover and the second pulse dust remover respectively comprise a dust removal chamber, an air purification chamber arranged at the top of the dust removal chamber, a cloth bag support arranged in the dust removal chamber, a plurality of cloth bag filter elements arranged at the bottom of the cloth bag support, a pressure sensor arranged in the dust removal chamber and a backflushing dust removal device arranged in the dust removal chamber; the dust chamber comprises a first side wall and a second side wall which are arranged oppositely, supporting blocks are respectively arranged at the inner sides of the first side wall and the second side wall, the two supporting blocks are positioned below the cloth bag support, and the top of each supporting block is provided with a guide rod which penetrates through the cloth bag bracket, the cloth bag bracket is provided with a sliding hole through which the guide rod penetrates, and a supporting spring sleeved on the guide rod is connected between the cloth bag support and the supporting block, the pressure sensor is fixed at the top of the supporting block, the pressure sensor is provided with a pressure measuring end which is used for contacting and propping against the bottom of the cloth bag bracket, the backflushing ash removal device comprises a jetting pipe arranged above the cloth bag bracket, 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 the first outlet end of the first dust-containing air inlet pipe, the dust chamber of the second pulse dust collector is connected with the second outlet end of the second dust-containing air inlet pipe; the controller is respectively and electrically connected with the driving cylinder, the pressure sensor and the electromagnetic pulse valve.
2. 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.
3. The winnowing machine with a dust removal function 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.
4. The winnowing machine with dust removal function 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.
5. The winnowing machine with dust removal function of claim 3, wherein the bottom of the dust chamber is provided with an ash collecting hopper, and the bottom of the ash collecting hopper is provided with an ash discharging valve.
6. The winnowing machine with dust removal function of claim 4, wherein a travelling wheel is mounted at the bottom of the frame.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010829313.3A CN111974105A (en) | 2020-08-18 | 2020-08-18 | Winnowing machine with dust removal function |
| PCT/CN2020/137580 WO2022036969A1 (en) | 2020-08-18 | 2020-12-18 | Winnowing machine with dust removal function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010829313.3A CN111974105A (en) | 2020-08-18 | 2020-08-18 | Winnowing machine with dust removal function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111974105A true CN111974105A (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010829313.3A Pending CN111974105A (en) | 2020-08-18 | 2020-08-18 | Winnowing machine with dust removal function |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111974105A (en) |
| WO (1) | WO2022036969A1 (en) |
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| CN113928863A (en) * | 2021-09-27 | 2022-01-14 | 江苏永蓝粮食机械有限公司 | Pulse dust removal pneumatic grain elevator system |
| WO2022036969A1 (en) * | 2020-08-18 | 2022-02-24 | 吴江市胜天包装输送机械有限责任公司 | Winnowing machine with dust removal function |
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- 2020-08-18 CN CN202010829313.3A patent/CN111974105A/en active Pending
- 2020-12-18 WO PCT/CN2020/137580 patent/WO2022036969A1/en active Application Filing
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| AU2010210024A1 (en) * | 2008-02-05 | 2010-09-02 | Ptronik International Pty Ltd | Dust collector control system |
| CN101613999A (en) * | 2009-07-15 | 2009-12-30 | 纪成明 | Dust removal and suction collecting cleaner |
| CN205925252U (en) * | 2016-08-27 | 2017-02-08 | 浙江德利饲料有限公司 | Dedicated recycle environment -friendly pulse dust collector of feed processing |
| CN107297107A (en) * | 2017-07-27 | 2017-10-27 | 广州市番禺盛达穗南有限公司 | Pulsed bag-type dust equipment |
| CN111282358A (en) * | 2018-12-10 | 2020-06-16 | 溆浦县宏利石材有限责任公司 | Indoor dust collector of mill |
| CN210905351U (en) * | 2019-11-06 | 2020-07-03 | 佛山市尘博仕环保工程有限公司 | Dust remover capable of independently changing cloth bag in separated chambers |
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| WO2022036969A1 (en) * | 2020-08-18 | 2022-02-24 | 吴江市胜天包装输送机械有限责任公司 | Winnowing machine with dust removal function |
| CN113069854A (en) * | 2021-05-18 | 2021-07-06 | 桐城市华星烟机设备制造有限公司 | Dust removal equipment for cigarette factory |
| CN113928863A (en) * | 2021-09-27 | 2022-01-14 | 江苏永蓝粮食机械有限公司 | Pulse dust removal pneumatic grain elevator system |
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Application publication date: 20201124 |