WO2022036969A1 - 一种具有除尘功能的风选机 - Google Patents
一种具有除尘功能的风选机 Download PDFInfo
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- WO2022036969A1 WO2022036969A1 PCT/CN2020/137580 CN2020137580W WO2022036969A1 WO 2022036969 A1 WO2022036969 A1 WO 2022036969A1 CN 2020137580 W CN2020137580 W CN 2020137580W WO 2022036969 A1 WO2022036969 A1 WO 2022036969A1
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- dust
- dust removal
- chamber
- inlet
- outlet
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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
Definitions
- the invention relates to a wind separator with dust removal function.
- Air separator is a kind of equipment that uses air flow to convey materials for screening, and has been widely used in the grain processing industry. Because the existing air separator does not have a special dust removal device, the dust removal is not thorough enough. There is a lot of dust on the sorted grain, which seriously affects the quality of the grain, and the exhaust gas contains a lot of dust, which is harmful to the environment. The pollution is serious and affects the health of the workers.
- the purpose of the present invention is to provide a wind separator with dust removal function, which has a reasonable structure and good dust removal effect, which is beneficial to improve the quality of grains and reduce the pollution to the environment.
- the technical scheme adopted in the present invention is:
- An air separator with a dust removal function comprising a frame, an air separator body and a dust removal mechanism arranged on the frame, the air separator body having a dust outlet, and the dust removal mechanism at least includes a first A dust collector and a second dust collector, the air separator further includes an exhaust switching device that can alternately conduct the dust outlet and the first dust collector, and the dust outlet and the second dust collector, The exhaust switching device is arranged between the dust outlet, the first dust collector and the second dust collector.
- the dust removal mechanism further includes an air exhaust channel, the air exhaust channel includes a fan, a first clean air outlet pipe connected between the fan and the clean air chamber of the first dust collector, and A second clean air outlet pipe connected between the fan and the clean air chamber of the second dust collector.
- the air exhaust channel includes a fan, a first clean air outlet pipe connected between the fan and the clean air chamber of the first dust collector, and A second clean air outlet pipe connected between the fan and the clean air chamber of the second dust collector.
- a first dust-containing intake pipe with a first inlet is connected between the exhaust switching device and the first dust collector, and a dust-containing intake pipe is connected between the exhaust switching device and the second dust collector.
- the second dust-containing air intake pipe of the second inlet, the exhaust switching device includes a movable sealing plate movably arranged between the first inlet and the second inlet, and the movable sealing plate has a first working position and the second working position, when the movable sealing plate is in the first working position, the movable sealing plate blocks the second inlet, and the dust outlet communicates with the first dust collector; when the movable sealing plate is in the first working position When the sealing plate is in the second working position, the movable sealing plate blocks the first inlet, and the dust outlet communicates with the second dust collector; the exhaust switching device further includes a device for driving the movable sealing plate. A driving device for the cover plate to switch between the first working position and the second working position.
- the first inlet and the second inlet are spaced apart and opposite to each other in the up-down direction, and the movable sealing plate is provided between the first inlet and the second inlet so as to be movable in the up-down direction.
- both the first dust collector and the second dust collector include a dust removal chamber, a clean air chamber arranged at the top of the dust removal chamber, a bag support provided in the dust removal chamber, and a bag support installed at the bottom of the bag support.
- a dust removal chamber a dust removal chamber
- a clean air chamber arranged at the top of the dust removal chamber
- a bag support provided in the dust removal chamber
- a bag support installed at the bottom of the bag support.
- the first outlet under the filter element, the second dust-containing air intake pipe has a second outlet under the bag filter element, and the dust chamber is also provided with a pressure sensor for detecting the pressure of the bag filter element on the bag holder , the dust removal mechanism also includes a controller for receiving the detection signal of the pressure sensor and controlling the movable sealing plate to switch between the first working position and the second working position, the controller It is electrically connected with the pressure sensor and the driving device.
- 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 discharge valve.
- walking wheels are installed on the bottom of the frame.
- the dust chamber includes a first side wall and a second side wall that are arranged opposite to each other, the inner sides of the first side wall and the second side wall are both provided with support blocks, and the cloth bag brackets are provided on the two side walls.
- the pressure sensor is provided between the support blocks and between the bag support and each of the support blocks.
- the upper surfaces of the two support blocks are located on the same horizontal plane, and the cloth bag support is arranged horizontally above the two support blocks.
- a guide rod extending in the up-down direction is fixedly connected to one of the two parts of the support block and the bag holder, and the other part is provided with a sliding hole, and the guide rod slides in the up-down direction.
- an elastic member is also connected between the guide rod and the sliding hole for providing a required force for driving the two to approach or move away from each other.
- the pressure sensor has a pressure measurement end
- the pressure sensor is fixedly connected to one of the two parts of the support block and the cloth bag holder, and the pressure measurement end abuts on the other part .
- the controller is also electrically connected with the backflushing cleaning device, and the backflushing cleaning device has a standby state and a cleaning state, when the backflushing cleaning device of the first dust collector When in the dust cleaning state, the movable sealing plate is in the second working position, and the backflushing dust cleaning device of the second dust collector is in a standby state; when the backflushing dust cleaning device of the second dust collector is in a standby state; When in the cleaning state, the movable sealing plate is in the first working position, and the backflushing cleaning device of the first dust collector is in the standby state.
- the recoil cleaning device includes a blowing pipe arranged above the cloth bag support, a plurality of blowing branch pipes arranged at intervals along the length direction of the blowing pipe, and one end of the blowing pipe.
- the electromagnetic pulse valve, the blowing branch pipe is in one-to-one correspondence with the bag filter element, the air outlet of each blowing branch pipe is communicated with the inner cavity of the corresponding bag filter element, and the electromagnetic pulse valve is connected with the bag filter element.
- the controller is electrically connected.
- the present invention has the following advantages compared with the prior art: the wind separator with dust removal function of the present invention is connected with a dust removal mechanism on the main body of the wind separator, which is conducive to improving the quality of grains and reduces the impact on the environment.
- the dust outlet is alternately connected to the first dust collector and the second dust collector through the exhaust switching device, so that the first dust collector and the second dust collector operate and clean the dust alternately, so that the air separator can work continuously.
- the whole device has reasonable structure, high operation efficiency and good dust removal effect.
- FIG. 1 is a schematic structural diagram of a specific embodiment of a wind separator with a dust removal function of the present invention
- the terms “installed”, “connected” and “connected” should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements.
- installed should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements.
- an air separator with dust removal function includes a frame (not shown in the figure), an air separator body 1 and a dust removal mechanism arranged on the frame, wherein the air separator of the frame There are walking wheels installed at the bottom to facilitate the movement and handling of the entire device.
- the top of the air separator body 1 is provided with a dust outlet, and the dust removal mechanism includes a first dust collector 11, a second dust collector 12, an exhaust channel 13 and a controller (not shown in the figure).
- an exhaust switching device 2 is provided at the dust outlet, and the exhaust switching device 2 can alternately conduct the dust outlet and the first dust collector 11, and the dust outlet and the second dust collector 12, so that the first dust collector 11 It can operate alternately with the second dust collector 12, while the air separator body 1 can operate continuously, improving the dust removal efficiency.
- the exhaust switching device 2 includes a casing 3, and the side of the casing 3 is connected to the dust outlet through a connecting pipe 4; the top of the casing 3 is connected to the first dust collector through a first dust-containing intake pipe 5 11 connection, the two ends of the first dust-containing air intake pipe 5 are the first inlet 6 and the first outlet respectively, the first inlet 6 is located inside the casing 3, and the first outlet is located inside the first dust collector 11; the bottom of the casing 3
- the second dust collector 12 is connected to the second dust collector 12 through the second dust inlet pipe 7.
- the two ends of the second dust inlet pipe 7 are the second inlet 8 and the second outlet respectively.
- the second inlet 8 is located inside the casing 3, and the second outlet Located inside the second dust collector 12 ; specifically, the second inlet 8 is located directly below the first inlet 6 .
- the exhaust switching device 2 also includes a movable sealing plate 10 movably arranged between the first inlet 6 and the second inlet 8 .
- the movable sealing plate 10 has a first working position and a second working position. When in the first working position , the movable sealing plate 10 blocks the second inlet 8, and the dust outlet communicates with the first dust collector 11; when in the second working position, the movable sealing plate 10 blocks the first inlet 6, and the dust outlet communicates with the second dust collector Connected.
- the exhaust switching device 2 also includes a driving device for driving the movable cover plate 10 to switch between the first working position and the second working position.
- the driving device is a driving cylinder 9 with the output shaft facing downward.
- the driving cylinder 9 is arranged on the top of the casing 3 , and the output shaft of the driving cylinder 9 penetrates the casing 3 and extends to the interior of the casing 3 .
- the movable sealing plate 10 Connected to the output shaft, the movable sealing plate 10 is provided between the first inlet 6 and the second inlet 8 so as to be movable in the up-down direction.
- the top of the housing 3 is also provided with a through hole for the output shaft to pass through, and a sealing ring 30 is arranged between the through hole and the output shaft.
- the first dust collector 11 and the second dust collector 12 have the same structure, and both include a dust removal chamber 14 , a clean air chamber 15 arranged at the top of the dust removal chamber 14 , and a dust removal chamber 15 arranged at the top of the dust removal chamber 14 .
- the bottom of the ash collecting hopper 31 is provided with an ash discharge valve 32 , the opening of the bag filter element 17 is sealed with the clean air chamber 15 , the first outlet of the first dust-containing air inlet pipe 5 , and the second dust-containing air inlet pipe 7 .
- the outlets are respectively connected with the dust chamber 14 and are located outside the bag filter element 17 .
- the dust chamber 14 is also provided with a pressure sensor 18 for detecting the pressure of the bag filter element 17 on the bag support 16 .
- the above-mentioned controller is electrically connected with the pressure sensor 18 and the driving cylinder 9. The controller can receive the detection signal from the pressure sensor 18 and control the driving cylinder 9 to drive the movable sealing plate 10 to switch between the first working position and the second working position. .
- the dust removal chamber 14 includes a first side wall 19 and a second side wall 20 that are opposite to each other.
- the inner sides of the first side wall 19 and the second side wall 20 are respectively provided with support blocks 21 , and the upper surfaces of the two support blocks 21 are located on the same side.
- the bag support 16 is horizontally disposed above the two support blocks 21 , and the pressure sensor 18 is provided between each support block 21 and the bag support 16 .
- one of the two parts of the support block 21 and the bag holder 16 is fixedly connected with a guide rod 22 extending in the up-down direction, the other part is provided with a sliding hole, and the guide rod 22 is slidably inserted in the up-down direction.
- the guide rod 22 and the sliding hole are also connected with an elastic member for providing a required force for driving the two to approach or move away from each other.
- the guide rod 22 is fixedly connected to the top of the support block 21 , the sliding hole is opened on the bag support 16 , and the elastic member is the support spring 23 .
- the pressure sensor 18 has a pressure measurement end, the pressure sensor 18 is fixedly connected to one of the two parts of the support block 21 and the cloth bag holder 16 , and the pressure measurement end abuts on the other part. In this embodiment, the pressure sensor 18 is fixed on the top of the support block 21 , and the pressure measurement end abuts against the bottom of the bag support 16 .
- the above-mentioned controller is also electrically connected with the recoil cleaning device.
- the recoil cleaning device has a standby state and a cleaning state.
- the recoil cleaning device of the first dust collector 11 is in a cleaning state
- the movable sealing plate 10 is in a state of cleaning.
- the recoil cleaning device of the second dust collector 12 is in the standby state; when the recoil cleaning device of the second dust collector 12 is in the cleaning state, the movable sealing plate 10 is in the first working position, and the first The recoil cleaning device of the dust collector 11 is in a standby state.
- the backflushing cleaning device includes a blowing pipe 24 arranged above the bag support 16 , a plurality of blowing branch pipes 29 arranged at intervals along the length direction of the blowing pipe 24 , and one end of the blowing pipe 24 .
- the electromagnetic pulse valve 25, specifically, the injection branch pipe 29 is in one-to-one correspondence with the bag filter element 17, the air outlet of each injection branch pipe 29 is communicated with the inner cavity of the corresponding bag filter element 17, and the electromagnetic pulse valve 25 is arranged in the dust removal chamber. 14 and is electrically connected to the controller.
- a fan 26 is arranged in the exhaust passage 13 , a first clean air outlet pipe 27 is connected between the exhaust passage 13 and the clean air chamber 15 of the first dust collector 11 , and the exhaust passage 13 is connected to the first clean air outlet pipe 27 .
- a second clean air outlet pipe 28 is connected between the clean air chambers 15 of the two dust collectors 12 .
- the piston rod of the output shaft of the driving cylinder 9 When in use, firstly, the piston rod of the output shaft of the driving cylinder 9 is in the extended state, the movable sealing plate 10 is in the first working position, and the first dust collector 11 is in the working state at this time, and the dust-laden air discharged from the dust outlet passes through the first working position.
- the dust-containing air intake pipe 5 is discharged into the dust removal chamber 14 of the first dust collector 11, and the fine dust is captured and filtered when the air flow drifts to the bag filter element 17, and the clean air passes through the bag filter element 17 and enters the clean air chamber 15, Afterwards, it enters the exhaust passage 13 through the first clean air outlet pipe 27, and is finally discharged from the exhaust passage 13, thereby realizing the dust removal of the air separator.
- the weight of the bag filter element 17 in the first dust collector 11 will gradually increase, resulting in a gradual increase in the pressure of the bag holder 16 acting on the pressure sensor 18.
- the pressure sensor 18 will send a signal to the controller, and the controller will control the recoil cleaning device in the first dust collector 11 to switch to the cleaning state when the controller receives the signal.
- the electromagnetic pulse valve 25 in the recoil cleaning device of the first dust collector 11 is controlled by the controller to open, so that the dust accumulated on the bag filter element 17 is blown and dropped into the dust collection through the injection pipe 24 and the injection branch pipe 29
- the controller will also control the output shaft of the driving cylinder 9 to retract, thereby driving the movable sealing plate 10 to switch to the second working position, at this time the second dust collector 12 is in a working state, and the dust-laden air discharged from the dust outlet will be discharged into the dust-removing chamber 14 of the second dust collector 12 through the second dust-containing air intake pipe 7, and the second dust collector 12 will perform the dust-removing work.
- the controller will control the backflushing cleaning device in the second dust collector 12 to switch to the cleaning state, and control the The device will control the piston rod of the driving cylinder 9 to extend again, the movable sealing plate 10 is switched to the first working position again, and the first dust collector 11 is in the working state.
- a wind separator with dust removal function is provided, which has a reasonable structure and good dust removal effect, which is conducive to improving grain quality and reducing environmental pollution.
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Abstract
一种具有除尘功能的风选机,包括风选机本体(1)和除尘机构,风选机本体(1)具有出尘口,除尘机构至少包括第一除尘器(11)和第二除尘器(12),风选机还包括能够交替导通出尘口与第一除尘器(11)、出尘口与第二除尘器(12)的排气切换装置(2),排气切换装置(2)设于出尘口、第一除尘器(11)及第二除尘器(12)三者之间。一种具有除尘功能的风选机,其结构合理,除尘效果好,有利于提高粮食品质,且减少对环境的污染。
Description
优先权声明
本申请要求于2020年8月18日提交中国专利局、申请号为202010829313.3的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
本发明涉及一种具有除尘功能的风选机。
风选机是一种利用气流输送物料进行筛选的设备,在粮食加工产业得到了广泛的运用。现有的风选机由于没有专门的除尘装置,导致其除尘不够彻底,分选后的粮食上带有大量的灰尘,严重影响到了粮食的品质,而且排出的气体带有大量灰尘,对环境的污染比较严重,影响工作人员的健康。
发明内容
本发明的目的是提供一种具有除尘功能的风选机,其结构合理,除尘效果好,有利于提高粮食品质,且减少对环境的污染。
为达到上述目的,本发明采用的技术方案是:
一种具有除尘功能的风选机,包括机架,以及设置在所述机架上的风选机本体和除尘机构,所述风选机本体具有出尘口,所述除尘机构至少包括第一除尘器和第二除尘器,所述风选机还包括能够交替导通所述出尘口与所述第一除尘器、所述出尘口与所述第二除尘器的排气切换装置,所述排气切换装置设于所述出尘口、所述第一除尘器及所述第二除尘器三者之间。
优选地,所述除尘机构还包括排风通道,所述排风通道包括风机、连接在所述风机与所述第一除尘器的所述净气室之间的第一净气出气管,以及连接在所述风机与所述第二除尘器的所述净气室之间的第二净气出气管。
优选地,所述排气切换装置与所述第一除尘器之间连接有具有第一入口的第一含尘进气管,所述排气切换装置与所述第二除尘器之间连接有具有第二入口的第二含尘进气管,所述排气切换装置包括活动地设于所述第一入口与所述第二入口之间的活动封板,所述活动封板具有第一工作位置及第二工作位置,当所述活动封板处于第一工作位置时,所述活动封板封堵所述第二入口,所述出尘口与所述第一除尘器连通;当所述活动封板处于第二工作位置 时,所述活动封板封堵所述第一入口,所述出尘口与所述第二除尘器连通;所述排气切换装置还包括用于驱动所述活动封板在所述第一工作位置与所述第二工作位置之间转换的驱动装置。
优选地,所述第一入口与所述第二入口沿上下方向间隔且相对地设置,所述活动封板能够沿上下方向运动地设于所述第一入口与所述第二入口之间。
优选地,所述第一除尘器与所述第二除尘器均包括除尘室、设置在所述除尘室顶部的净气室、设置在所述除尘室内的布袋支架、安装在所述布袋支架底部的多个开口向上的布袋滤芯、设置在所述除尘室内的反冲清灰装置,所述布袋滤芯的开口与所述净气室密封连接,所述第一含尘进气管具有位于所述布袋滤芯下方的第一出口,所述第二含尘进气管具有位于所述布袋滤芯下方的第二出口,所述除尘室内还设有用于检测所述布袋滤芯对所述布袋支架的压力的压力传感器,所述除尘机构还包括且用于接收所述压力传感器的检测信号并控制所述活动封板在所述第一工作位置与所述第二工作位置之间转换的控制器,所述控制器与所述压力传感器及所述驱动装置电性连接。
优选地,所述除尘室的底部设有集灰斗,所述集灰斗的底部设有卸灰阀。
优选地,所述机架的底部安装有行走轮。
优选地,所述除尘室包括相对设置的第一侧壁和第二侧壁,所述第一侧壁和所述第二侧壁的内侧均设有支撑块,所述布袋支架设于两个所述支撑块之间,所述布袋支架与每个所述支撑块之间均设有所述压力传感器。
优选地,两个所述支撑块的上表面位于同一水平面上,所述布袋支架水平地设置在两个所述支撑块的上方。
优选地,所述支撑块与所述布袋支架这两个部件中的一个部件上固定连接有沿上下方向延伸的导杆,另一个部件上开设有滑孔,所述导杆沿上下方向滑动地插设在所述滑孔内,所述导杆与所述滑孔之间还连接有用于提供驱使两者相互靠近或远离所需作用力的弹性件。
优选地,所述压力传感器具有压力测量端,所述压力传感器固定连接在所述支撑块与所述布袋支架这两个部件中的一个部件上,所述压力测量端抵顶在另一个部件上。
优选地,所述控制器还与所述反冲清灰装置电性连接,所述反冲清灰装置具有待机状态及清灰状态,当所述第一除尘器的所述反冲清灰装置处于清灰状态时,所述活动封板处于第二工作位置,所述第二除尘器的所述反冲清灰装置处于待机状态;当所述第二除尘器的所述反冲清灰装置处于清灰状态时,所述活动封板处于第一工作位置,所述第一除尘器的所述反冲清灰装置处于待机状态。
进一步地,所述反冲清灰装置包括设置在所述布袋支架上方的喷吹管、沿所述喷吹管的长度方向间隔地设置的多根的喷吹支管,以及设置在所述喷吹管一端部的电磁脉冲阀,所述 喷吹支管与所述布袋滤芯一一对应,每根所述喷吹支管的出风口与对应的所述布袋滤芯的内腔相连通,所述电磁脉冲阀与所述控制器电性连接。
由于上述技术方案的运用,本发明与现有技术相比具有下列优点:本发明的具有除尘功能的风选机,在风选机本体上连接除尘机构,有利于提高粮食品质,且减少对环境的污染;通过排气切换装置将出尘口与第一除尘器、第二除尘器交替导通,使得第一除尘器、第二除尘器交替运行和清灰,从而风选机能够连续工作,整个装置结构合理,运行效率高,除尘效果好。
为了更清楚地说明本申请实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请中记载的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
附图1为本发明的具有除尘功能的风选机一具体实施例的结构示意图;
附图2是本实施例中除尘室的结构示意图;
附图3是图2中A处的放大图;
附图4是本实施例中排气切换装置的结构示意图;
附图5是本实施例的原理框图;
其中:1、选机本体;2、排气切换装置;3、外壳;4、连接管;5、第一含尘进气管;6、第一入口;7、第二含尘进气管;8、第二入口;9、驱动气缸;10、活动封板;11、第一除尘器;12、第二除尘器;13、排风通道;14、除尘室;15、16、布袋支架;17、布袋滤芯;18、压力传感器;19、第一侧壁;20、第二侧壁;21、支撑块;22、导杆;23、支撑弹簧;24、喷吹管;25、电磁脉冲阀;26、风机;27、第一净气出气管;28、第二净气出气管;29、喷吹支管;30、密封环;31、集灰斗;32、卸灰阀。
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行详细的描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例,都属于本发明保护的范围。
在本发明的描述中,需要说明的是,术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图1所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的 方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。此外,术语“第一”、“第二”、“第三”仅用于描述目的,而不能理解为指示或暗示相对重要性。
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。
如图1至图5所示,一种具有除尘功能的风选机,包括机架(图中未示出),以及设置在机架上的风选机本体1和除尘机构,其中机架的底部安装有行走轮,便于整个装置的移动和搬运。
如图1所示,风选机本体1的顶部设有出尘口,除尘机构包括第一除尘器11、第二除尘器12、排风通道13和控制器(图中未示出)。其中,出尘口处设有排气切换装置2,该排气切换装置2能够交替导通出尘口与第一除尘器11、出尘口与第二除尘器12,使得第一除尘器11和第二除尘器12能够交替运行,而风选机本体1能够连续运行,提高除尘效率。
如图4所示,具体地,排气切换装置2包括外壳3,外壳3的侧部通过连接管4与出尘口连接;外壳3的顶部通过第一含尘进气管5与第一除尘器11连接,第一含尘进气管5的两端分别为第一入口6和第一出口,第一入口6位于外壳3的内部,第一出口位于第一除尘器11的内部;外壳3的底部通过第二含尘进气管7与第二除尘器12连接,第二含尘进气管7的两端分别为第二入口8和第二出口,第二入口8位于外壳3的内部,第二出口位于第二除尘器12的内部;具体地,第二入口8位于第一入口6的正下方。
排气切换装置2还包括活动地设于第一入口6与第二入口8之间的活动封板10,活动封板10具有第一工作位置及第二工作位置,当处于第一工作位置时,活动封板10封堵第二入口8,出尘口与第一除尘器11连通;当处于第二工作位置时,活动封板10封堵第一入口6,出尘口与第二除尘器连通。
排气切换装置2还包括用于驱动活动封板10在第一工作位置与第二工作位置之间转换的驱动装置。本实施例中,驱动装置为输出轴朝下地设置的驱动气缸9,驱动气缸9设于外壳3的顶部,该驱动气缸9的输出轴贯穿外壳3并延伸至外壳3的内部,活动封板10连接在输出轴上,活动封板10能够沿上下方向运动地设于第一入口6与第二入口8之间。外壳3的顶部还设有供输出轴通过的通孔,通孔与输出轴之间设置有密封环30。
如图1至图3所示,本实施例中,第一除尘器11和第二除尘器12的结构相同,均包括除尘室14、设置在除尘室14顶部的净气室15、设置在除尘室14底部的集灰斗31、设置在除尘室14内的布袋支架16、安装在布袋支架16底部的多个开口向上的布袋滤芯17,以及 设置在除尘室14内的反冲清灰装置。其中,集灰斗31的底部设有卸灰阀32,布袋滤芯17的开口与净气室15密封连接,第一含尘进气管5的第一出口、第二含尘进气管7的第二出口分别与除尘室14连接,且均位于布袋滤芯17的外部。除尘室14内还设有用于检测布袋滤芯17对布袋支架16压力的压力传感器18。上述控制器与压力传感器18及驱动气缸9电性连接,控制器能够接收来自压力传感器18的检测信号,并控制驱动气缸9驱动活动封板10在第一工作位置与第二工作位置之间转换。
除尘室14包括相对设置的第一侧壁19和第二侧壁20,该第一侧壁19和第二侧壁20的内侧分别设有支撑块21,两个支撑块21的上表面位于同一水平面上,布袋支架16水平地设置在两个支撑块21的上方,每个支撑块21与布袋支架16之间均设有上述压力传感器18。
具体地,支撑块21与布袋支架16这两个部件中的一个部件上固定连接有沿上下方向延伸的导杆22,另一个部件上开设有滑孔,导杆22沿上下方向滑动地插设在滑孔内,导杆22与滑孔之间还连接有用于提供驱使两者相互靠近或远离所需作用力的弹性件。本实施例中,导杆22固定连接在支撑块21顶部,滑孔开设在布袋支架16上,弹性件为支撑弹簧23。
压力传感器18具有压力测量端,压力传感器18固定连接在支撑块21与布袋支架16这两个部件中的一个部件上,压力测量端抵顶在另一个部件上。本实施例中,压力传感器18固定在支撑块21的顶部,压力测量端抵顶在布袋支架16的底部。
上述控制器还与反冲清灰装置电性连接,反冲清灰装置具有待机状态及清灰状态,当第一除尘器11的反冲清灰装置处于清灰状态时,活动封板10处于第二工作位置,第二除尘器12的反冲清灰装置处于待机状态;当第二除尘器12的反冲清灰装置处于清灰状态时,活动封板10处于第一工作位置,第一除尘器11的反冲清灰装置处于待机状态。
如图2所示,反冲清灰装置包括设置在布袋支架16上方的喷吹管24、沿喷吹管24的长度方向间隔地设置的多根的喷吹支管29,以及设置在喷吹管24一端部的电磁脉冲阀25,具体地,喷吹支管29与布袋滤芯17一一对应,每根喷吹支管29的出风口与对应的布袋滤芯17的内腔相连通,电磁脉冲阀25设置在除尘室14的外部并与控制器电性连接。
如图1所示,排风通道13内设有风机26,该排风通道13与第一除尘器11的净气室15之间连接有第一净气出气管27,排风通道13与第二除尘器12的净气室15之间连接有第二净气出气管28。
下面阐述本实施例的具有除尘功能的风选机的具体工作过程:
使用时,首先驱动气缸9输出轴的活塞杆处于伸出状态,活动封板10处于第一工作位置,此时第一除尘器11处于工作状态,从出尘口排出的含尘空气通过第一含尘进气管5排入第一除尘器11的除尘室14内,细小的粉尘随着气流漂移到布袋滤芯17时被捕捉过滤, 清洁的空气则穿过布袋滤芯17并进入净气室15,之后通过第一净气出气管27进入排风通道13,最后从排风通道13排出,实现了风选机的除尘。
随着粉尘不断地被捕捉,第一除尘器11中布袋滤芯17的重量将逐渐增加,导致布袋支架16作用于压力传感器18的压力逐渐增大,当该压力大于压力传感器18预设的压力值时,压力传感器18将发送信号至控制器,控制器接收到该信号时将控制第一除尘器11中的反冲清灰装置转换为清灰状态。
具体地,由控制器控制第一除尘器11的反冲清灰装置中的电磁脉冲阀25打开,从而通过喷吹管24以及喷吹支管29将堆积在布袋滤芯17上的灰尘吹落入集灰斗31中;并且,控制器在接收到来自压力传感器18的信号时,还将控制驱动气缸9的输出轴缩回,从而驱动活动封板10转换至第二工作位置,此时第二除尘器12处于工作状态,从出尘口排出的含尘空气将通过第二含尘进气管7排入第二除尘器12的除尘室14内,由第二除尘器12进行除尘工作。
直到第二除尘器12中布袋支架16作用于压力传感器18的压力大于其预设的压力值时,控制器将控制第二除尘器12中的反冲清灰装置转换为清灰状态,同时控制器将控制驱动气缸9的活塞杆再次伸出,活动封板10再次转换至第一工作位置,第一除尘器11处于工作状态。通过使第一除尘器11和第二除尘器12循环交替工作,有效提高了除尘效率。
本发明的优点和有益效果在于:提供一种具有除尘功能的风选机,其结构合理,除尘效果好,有利于提高粮食品质,且减少对环境的污染。
需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上所述仅是本申请的具体实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本申请原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本申请的保护范围。
Claims (19)
- 一种具有除尘功能的风选机,其特征在于:包括机架,以及设置在所述机架上的风选机本体和除尘机构,所述风选机本体具有出尘口,所述除尘机构至少包括第一除尘器和第二除尘器,所述风选机还包括能够交替导通所述出尘口与所述第一除尘器、所述出尘口与所述第二除尘器的排气切换装置,所述排气切换装置设于所述出尘口、所述第一除尘器及所述第二除尘器三者之间;所述机架的底部安装有行走轮;所述排气切换装置与所述第一除尘器之间连接有具有第一入口的第一含尘进气管,所述排气切换装置与所述第二除尘器之间连接有具有第二入口的第二含尘进气管,所述排气切换装置包括活动地设于所述第一入口与所述第二入口之间的活动封板,所述活动封板具有第一工作位置及第二工作位置,当所述活动封板处于第一工作位置时,所述活动封板封堵所述第二入口,所述出尘口与所述第一除尘器连通;当所述活动封板处于第二工作位置时,所述活动封板封堵所述第一入口,所述出尘口与所述第二除尘器连通;所述排气切换装置还包括用于驱动所述活动封板在所述第一工作位置与所述第二工作位置之间转换的驱动装置;所述第一入口与所述第二入口沿上下方向间隔且相对地设置,所述活动封板能够沿上下方向运动地设于所述第一入口与所述第二入口之间;所述第一除尘器与所述第二除尘器均包括除尘室、设置在所述除尘室顶部的净气室、设置在所述除尘室内的布袋支架、安装在所述布袋支架底部的多个开口向上的布袋滤芯、设置在所述除尘室内的反冲清灰装置,所述布袋滤芯的开口与所述净气室密封连接,所述第一含尘进气管具有与所述除尘室连接且位于所述布袋滤芯外部的第一出口,所述第二含尘进气管具有与所述除尘室连接且位于所述布袋滤芯外部的第二出口,所述除尘室内还设有用于检测所述布袋滤芯对所述布袋支架的压力的压力传感器,所述除尘机构还包括且用于接收所述压力传感器的检测信号并控制所述活动封板在所述第一工作位置与所述第二工作位置之间转换的控制器,所述控制器与所述压力传感器及所述驱动装置电性连接;所述除尘机构还包括排风通道,所述排风通道包括风机、连接在所述风机与所述第一除尘器的所述净气室之间的第一净气出气管,以及连接在所述风机与所述第二除尘器的所述净气室之间的第二净气出气管;所述除尘室的底部设有集灰斗,所述集灰斗的底部设有卸灰阀;所述除尘室包括相对设置的第一侧壁和第二侧壁,所述第一侧壁和所述第二侧壁的内侧均设有支撑块,所述布袋支架设于两个所述支撑块之间,所述布袋支架与每个所述支撑块之间均设有所述压力传感器;两个所述支撑块的上表面位于同一水平面上,所述布袋支架水平地设置在两个所述支撑块的上方;所述支撑块与所述布袋支架这两个部件中的一个部件上固定连接有沿上下方向延伸的导杆,另一个部件上开设有滑孔,所述导杆沿上下方向滑动地插设在所述滑孔内,所述导杆与所述滑孔之间还连接有用于提供驱使两者相互靠近或远离所需作用力的弹性件;所述压力传感器具有压力测量端,所述压力传感器固定连接在所述支撑块与所述布袋支架这两个部件中的一个部件上,所述压力测量端抵顶在另一个部件上;所述控制器还与所述反冲清灰装置电性连接,所述反冲清灰装置具有待机状态及清灰状态,当所述第一除尘器的所述反冲清灰装置处于清灰状态时,所述活动封板处于第二工作位置,所述第二除尘器的所述反冲清灰装置处于待机状态;当所述第二除尘器的所述反冲清灰装置处于清灰状态时,所述活动封板处于第一工作位置,所述第一除尘器的所述反冲清灰装置处于待机状态;所述反冲清灰装置包括设置在所述布袋支架上方的喷吹管、沿所述喷吹管的长度方向间隔地设置的多根的喷吹支管,以及设置在所述喷吹管一端部的电磁脉冲阀,所述喷吹支管与所述布袋滤芯一一对应,每根所述喷吹支管的出风口与对应的所述布袋滤芯的内腔相连通,所述电磁脉冲阀与所述控制器电性连接。
- 一种具有除尘功能的风选机,其特征在于:包括机架,以及设置在所述机架上的风选机本体和除尘机构,所述风选机本体具有出尘口,所述除尘机构至少包括第一除尘器和第二除尘器,所述风选机还包括能够交替导通所述出尘口与所述第一除尘器、所述出尘口与所述第二除尘器的排气切换装置,所述排气切换装置设于所述出尘口、所述第一除尘器及所述第二除尘器三者之间。
- 根据权利要求2所述的具有除尘功能的风选机,其特征在于:所述机架的底部安装有行走轮。
- 根据权利要求2所述的具有除尘功能的风选机,其特征在于:所述排气切换装置与所述第一除尘器之间连接有具有第一入口的第一含尘进气管,所述排气切换装置与所述第二除尘器之间连接有具有第二入口的第二含尘进气管,所述排气切换装置包括活动地设于所述第一入口与所述第二入口之间的活动封板,所述活动封板具有第一工作位置及第二工作位置,当所述活动封板处于第一工作位置时,所述活动封板封堵所述第二入口,所述出尘口与所述第一除尘器连通;当所述活动封板处于第二工作位置时,所述活动封板封堵所述第一入口,所述出尘口与所述第二除尘器连通;所述排气切换装置还包括用于驱动所述活动封板在所述第一工作位置与所述第二工作位置之间转换的驱动装置。
- 根据权利要求4所述的具有除尘功能的风选机,其特征在于:所述第一入口与所述第二入口沿上下方向间隔且相对地设置,所述活动封板能够沿上下方向运动地设于所述第一入口与所述第二入口之间。
- 根据权利要求4所述的具有除尘功能的风选机,其特征在于:所述第一除尘器与所述第二除尘器均包括除尘室、设置在所述除尘室顶部的净气室、设置在所述除尘室内的布袋支架、安装在所述布袋支架底部的多个开口向上的布袋滤芯、设置在所述除尘室内的反冲清灰装置,所述布袋滤芯的开口与所述净气室密封连接,所述第一含尘进气管具有与所述除尘室连接且位于所述布袋滤芯外部的第一出口,所述第二含尘进气管具有与所述除尘室连接且位于所述布袋滤芯外部的第二出口,所述除尘室内还设有用于检测所述布袋滤芯对所述布袋支架的压力的压力传感器,所述除尘机构还包括且用于接收所述压力传感器的检测信号并控制所述活动封板在所述第一工作位置与所述第二工作位置之间转换的控制器,所述控制器与所述压力传感器及所述驱动装置电性连接。
- 根据权利要求6所述的具有除尘功能的风选机,其特征在于:所述除尘机构还包括排风通道,所述排风通道包括风机、连接在所述风机与所述第一除尘器的所述净气室之间的第一净气出气管,以及连接在所述风机与所述第二除尘器的所述净气室之间的第二净气出气管。
- 根据权利要求6所述的具有除尘功能的风选机,其特征在于:所述除尘室的底部设有集灰斗,所述集灰斗的底部设有卸灰阀。
- 根据权利要求6所述的具有除尘功能的风选机,其特征在于:所述除尘室包括相对设置的第一侧壁和第二侧壁,所述第一侧壁和所述第二侧壁的内侧均设有支撑块,所述布袋支架设于两个所述支撑块之间,所述布袋支架与每个所述支撑块之间均设有所述压力传感器。
- 根据权利要求9所述的具有除尘功能的风选机,其特征在于:两个所述支撑块的上表面位于同一水平面上,所述布袋支架水平地设置在两个所述支撑块的上方。
- 根据权利要求9所述的具有除尘功能的风选机,其特征在于:所述支撑块与所述布袋支架这两个部件中的一个部件上固定连接有沿上下方向延伸的导杆,另一个部件上开设有滑孔,所述导杆沿上下方向滑动地插设在所述滑孔内,所述导杆与所述滑孔之间还连接有用于提供驱使两者相互靠近或远离所需作用力的弹性件。
- 根据权利要求9所述的具有除尘功能的风选机,其特征在于:所述压力传感器具有压力测量端,所述压力传感器固定连接在所述支撑块与所述布袋支架这两个部件中的一个部件上,所述压力测量端抵顶在另一个部件上。
- 根据权利要求6至12任一项所述的具有除尘功能的风选机,其特征在于:所述控制器还与所述反冲清灰装置电性连接,所述反冲清灰装置具有待机状态及清灰状态,当所述第一除尘器的所述反冲清灰装置处于清灰状态时,所述活动封板处于第二工作位置,所述第二除尘器的所述反冲清灰装置处于待机状态;当所述第二除尘器的所述反冲清灰装置处于清灰状态时,所述活动封板处于第一工作位置,所述第一除尘器的所述反冲清灰装置处于待机状态。
- 根据权利要求13所述的具有除尘功能的风选机,其特征在于:所述反冲清灰装置包括设置在所述布袋支架上方的喷吹管、沿所述喷吹管的长度方向间隔地设置的多根的喷吹支管,以及设置在所述喷吹管一端部的电磁脉冲阀,所述喷吹支管与所述布袋滤芯一一对应,每根所述喷吹支管的出风口与对应的所述布袋滤芯的内腔相连通,所述电磁脉冲阀与所述控制器电性连接。
- 一种具有除尘功能的风选机,其特征在于,包括机架,以及设置在所述机架上的风选机本体和除尘机构;所述风选机本体的顶部设有出尘口,所述出尘口处设有排气切换装置,所述排气切换装置包括外壳,所述外壳的侧部和所述出尘口之间设有连接管,所述外壳的顶部设有第一含尘进气管,所述第一含尘进气管的两端分别为第一入口和第一出口,所述第一入口位于所述外壳的内部,所述外壳的底部设有第二含尘进气管,所述第二含尘进气管的两端分别为第二入口和第二出口,所述第二入口位于所述外壳的内部,且所述第二入口位于所述第一入口的正下方,所述外壳的顶部还设有输出轴朝下的驱动气缸,所述驱动气缸的输出轴贯穿所述外壳并延伸至所述外壳的内部,且所述驱动气缸的输出轴连接有活动封板,所述活动封板位于所述第一入口和第二入口之间;所述除尘机构包括第一除尘器、第二除尘器、排风通道和控制器,所述第一除尘器和第二除尘器均包括除尘室、设置在所述除尘室顶部的净气室、设置在所述除尘室内的布袋支架、安装在所述布袋支架底部的多个布袋滤芯、设置在所述除尘室内的压力传感器,以及设置在所述除尘室内的反冲清灰装置;所述除尘室包括相对设置的第一侧壁和第二侧壁,所述第一侧壁和第二侧壁的内侧均设有支撑块,两个所述支撑块均位于所述布袋支架的下方,且每个所述支撑块的顶部均设有贯穿所述布袋支架的导杆,所述布袋支架设有供所述导杆贯穿的滑孔,所述布袋支架和所述支撑块之间连接有套设于所述导杆的支撑弹簧,所述压力传感器固定在所述支撑块的顶部,所述压力传感器设有用于与所述布袋支架的底部接触抵顶的压力测量端;所述反冲清灰装置包括设置在所述布袋支架上方的喷吹管,所述喷吹管的一端延伸至所述除尘室的外部并连接有电磁脉冲阀,所述第一除尘器的除尘室和所述第一含尘进气 管的第一出口连接,所述第二除尘器的除尘室和所述第二含尘进气管的第二出口连接;所述控制器分别与所述驱动气缸、所述压力传感器和所述电磁脉冲阀电性连接;所述排风通道内设有风机,所述排风通道和所述第一除尘器的净气室之间连接有第一净气出气管,所述排风通道和所述第二除尘器的净气室之间连接有第二净气出气管。
- 根据权利要求15所述的具有除尘功能的风选机,其特征在于,所述喷吹管上连接有与所述布袋滤芯一一对应的多根喷吹支管,每根所述喷吹支管位于对应布袋滤芯的出风口处。
- 根据权利要求16所述的具有除尘功能的风选机,其特征在于,所述外壳的顶部设有供所述驱动气缸的活塞杆贯穿的通孔,所述通孔内固定有套设于所述活塞杆的密封环。
- 根据权利要求17所述的具有除尘功能的风选机,其特征在于,所述除尘室的底部设有集灰斗,所述集灰斗的底部设有卸灰阀。
- 根据权利要求18所述的具有除尘功能的风选机,其特征在于,所述机架的底部安装有行走轮。
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