CN2681100Y - Coriolis powder constant feed weigher - Google Patents

Coriolis powder constant feed weigher Download PDF

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Publication number
CN2681100Y
CN2681100Y CN 200420010484 CN200420010484U CN2681100Y CN 2681100 Y CN2681100 Y CN 2681100Y CN 200420010484 CN200420010484 CN 200420010484 CN 200420010484 U CN200420010484 U CN 200420010484U CN 2681100 Y CN2681100 Y CN 2681100Y
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China
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coriolis
feed
bearing
lower end
powder
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CN 200420010484
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Chinese (zh)
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杨德柱
郭文
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郑州丰博电子科技有限公司
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Publication of CN2681100Y publication Critical patent/CN2681100Y/en

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Abstract

The utility model discloses a Coriolis powder constant feed weigher, which is combined by a Coriolis powder flow meter and a flow stabilizing feeder. The Coriolis powder constant feed weigher makes use of the flow stabilizing feeder to realize the stable and uniform feed and makes use of the Coriolis powder flow meter to ensure the accuracy of the on-line measurement so as to realize the continuous, uniform and constant feed and solve the problem of affecting the quality of the cement due to non-uniform feed.

Description

科里奥利粉体定量给料秤 Powder dosing scales Coriolis

技术领域 FIELD

本实用新型属于窑炉的附件,尤其涉及一种科里奥利粉体定量给料秤。 The present invention belongs to annex furnace, more particularly to a Coriolis powder dosing scales.

背景技术 Background technique

长期以来,水泥行业中一直存在着由于喂料不均而影响水泥质量的问题,这里有两方面的原因,一是由于不能连续稳定给料,二是由于在线计量存在误差。 Over the years, the cement industry has been problematic due to the uneven feeding affect the quality of cement, there are two reasons, first, because it is not continuous and stable feeding, the second is due to the presence of measurement error online. 专利97236409.9公开了一种回转式粉体物料流量计,包括有电机,传动轴,扭矩传感器,进料斗,测量盘,进料斗和测量盘在密闭的壳体内,壳体上部有进料口,下部有出料口,电机、扭矩传感器在壳体外部,传动轴在电机驱动下带动测量盘高速回转。 Patent No. 97236409.9 discloses a rotary flowmeter powder material, comprising a motor, drive shaft, the torque sensor, the feed hopper, measuring disk, the feed hopper and the measuring disk in a sealed housing, an upper housing having a feed inlet , has a lower discharge port, the motor, the torque sensor outside the housing, a drive shaft driven at high speed rotation measuring disk motor. 这种粉体物料流量计利用科里奥利惯性力测量物料的流量,大大提高了在线计量的准确性。 This powder flow Coriolis mass flow meter using the inertial force measurement of materials, greatly improving the accuracy of online measurement.

发明内容 SUMMARY

本实用新型的目的是提供一种能够连续均匀定量地给料的科里奥利粉体定量给料秤。 The object of the present invention is to provide a Coriolis quantitative powder capable of quantitatively feeding continuously and uniformly feed scale.

为此目的,本实用新型采用如下技术方案:一种科里奥利粉体定量给料秤,包括科里奥利粉体流量计,科里奥利粉体流量计上有进料口,它还包括稳流给料机,稳流给料机由同轴的上部圆筒、中部圆筒和下部圆筒依次自上而下相接而成,上部圆筒的下端装有调压板,调压板的一侧设有调压孔,中部圆筒的下端装有下隔板,中部圆筒的上部装有上隔板,上隔板和下隔板上都设有落料口,下部圆筒的下端有底板,底板上有出料口,出料口与科里奥利粉体流量计上的进料口相接,在三个圆筒的轴线位置装有传动轴,传动轴下端与减速电机相连,传动轴上装有搅拌体、转动叶轮、搅拌叶轮和喂料叶轮,搅拌体位于调压板的上方,转动叶轮位于上隔板的上方,搅拌叶轮位于下隔板上方,喂料叶轮位于底板的上方,在至少一个圆筒的筒壁上设有观察窗。 To this end, the present invention adopts the following technical solution: A Coriolis powder dosing scales, powder comprises a Coriolis flow meter, the feed inlet Coriolis flowmeter powder, it further comprising a steady flow feeder, the feeder steady flow sequentially from top to bottom in contact with coaxial cylindrical upper, middle and lower cylindrical cylinder, the lower end of the upper plate cylinder equipped with pressure regulator, tune side of the platen is provided with regulating hole, the lower end of the cylinder with the central partition plate, an upper middle of the cylinder with the separator, the separator and the upper separator has a lower blanking opening, the lower circular the lower end of a bottom plate of the cylinder, with a discharge outlet on the bottom plate, inlet and discharge opening on the Coriolis flowmeter powder phase, with the drive shaft in the axial position of the three cylinder, and the lower end of the drive shaft geared motor is connected, equipped with a stirrer drive shaft member, rotation of the impeller, an impeller stirring impeller and feeding, located above the regulator body stirring plate, rotation of the impeller is located above the separator, the separator is located above the stirring impeller, the impeller feed located above the floor, an observation window in the cylinder wall at least one cylinder.

调节孔、落料口和出料口在传动轴的两侧交错排布。 Adjusting holes, blanking interleaving and an outlet port arranged on both sides of the drive shaft.

在传动轴与底板的连接处装有轴承座,轴承装在轴承座内,轴承上方有轴承盖,轴承盖与轴承间有一空腔,有一风管与该空腔相通。 In connection with the bottom plate of the drive shaft bearing, a bearing mounted in the bearing housing, the bearing cover above the bearing, there is a cavity between the bearing and the bearing cap, has a duct in communication with the cavity.

喂料叶轮中央呈圆筒状,筒壁外部有沿径向伸展的叶片,筒壁下端与底板相接,底板下方装有接灰杯,接灰杯的开口与由筒壁、下隔板和底板围成的空腔相通。 Central feed wheel has a cylindrical shape, the outer cylindrical wall with a radially extending blade, the lower end of the cylindrical wall in contact with the bottom plate, the bottom plate with the ash cup, the cup opening of the ash by the cylindrical wall, the separator, and a cavity surrounded by the bottom plate communicates.

所述的科里奥利粉体流量计,包括电机、壳体,壳体上部有进料导流体,进料导流体上端有密封盖,密封盖上有进料口,转动轴安装在壳体内,称量装置安装在转动轴下端,进料导流体下端开口正对称量装置,称量装置下方装有出料筒,扭矩传感器两端分别与电机和转动轴相联,在转动轴与密封盖的连接处也装有轴承座,轴承装在轴承座内,轴承座下端装有轴承盖,轴承盖中部有一空腔,有一进风管与该空腔相通。 The Coriolis flowmeter powder, comprising a motor, a housing, an upper housing having a feed guide body, the upper end of the feed guide body having a sealing cap, feed inlet, the rotation shaft mounted in the housing on the sealing cap weighing means mounted on the lower end of the rotary shaft, the lower end opening of the feed flow is on the weighing device, the weighing device is provided with a cartridge downward, both ends of the torque sensor and the motor rotation shaft respectively associated, in the rotation shaft and the sealing cover the junction is also provided with a bearing housing, a bearing mounted in the bearing housing, the bearing housing with the bottom of the bearing cap, the bearing cap having a central cavity having a duct inlet in communication with the cavity.

所述的称量装置外装有防尘锥体,防尘锥体上端与进料导流体相连。 The weighing apparatus provided with an outer cone dust, dust attached to the upper end of the feed cone and the deflector body.

本实用新型利用稳流给料机实现稳定均匀地给料,利用科里奥利粉体流量计保证了在线计量的准确性,从而实现了连续均匀定量地给料,解决了因喂料不均而影响水泥质量的问题。 The present invention using steady flow feeder uniform stable feed, powder flowmeter Coriolis line to ensure the accuracy of measurement, thereby achieving a uniform continuous quantitative feed, feed unevenness due to solve the problems affecting the quality of cement.

附图说明 BRIEF DESCRIPTION

图1为本实用新型的结构示意图。 Figure 1 is a schematic view of the structure of the new utility.

图2为调压板的结构示意图。 FIG 2 is a schematic view of the regulating plate.

图3为上隔板和下隔板的结构示意图。 Figure 3 a schematic view of the structure of the separator and the separator is lower.

图4为喂料叶轮的结构示意图。 FIG 4 is a schematic view of the feed wheel.

具体实施方式 Detailed ways

如图1所示,这种科里奥利粉体定量给料秤,包括科里奥利粉体流量计02,科里奥利粉体流量计上有进料口02-5,它还包括稳流给料机01,稳流给料机01由同轴的上部圆筒01-9、中部圆筒01-11和下部圆筒01-5依次自上而下相接而成,上部圆筒01-9的下端装有调压板01-2,如图2所示,调压板01-2的一侧设有调压孔01-19,中部圆筒01-11的下端装有下隔板01-13,中部圆筒01-11的上部装有上隔板01-10,如图3所示,上隔板01-10和下隔板01-13上都设有落料口01-20,在轴孔周围有落灰孔01-21,下部圆筒01-5的下端有底板01-7,底板上有出料口01-8,出料口01-8与科里奥利粉体流量计02上的进料口02-5相接,在三个圆筒的轴线位置装有传动轴01-15,传动轴01-15下端与减速电机01-16相连,传动轴01-15上装有搅拌体01-1、转动叶轮01-3、搅拌叶轮01-12和喂料叶轮01-14,搅拌体01-1位于调压板01-2的上方,转 1, the Coriolis powder dosing scales, powder flowmeter comprises a Coriolis 02, feed inlet 02-5 powder Coriolis flowmeter further comprising steady flow feeder 01, feeder 01 steady flow from the upper portion of the cylinder coaxially 01-9, middle and lower cylindrical drum 01-11 01-5 sequentially from top to bottom in contact with, the upper portion of the cylindrical the lower end 01-9 fitted with surge plates 01-2, shown in Figure 2, the side plate 01-2 is provided with a pressure regulator regulating holes 01-19, the lower end of the central cylindrical lower compartment equipped 01-11 01-13 plates, an upper middle cylindrical 01-11 01-10 equipped with the separator shown in Figure 3, the partition plate lower spacer 01-13 and 01-10 have a blanking opening 01- 20, there are around the shaft hole ash-fall openings 01-21, the lower end of a bottom plate of the lower cylindrical 01-5 01-7, 01-8 with a discharge opening on the base plate and discharge opening 01-8 Coriolis powder meter body inlet on contact 0202-5, three cylinders in the axial position of the shaft with 01-15, 01-15 is connected to the lower end of the shaft geared motors 01-16, 01-15 shaft a body equipped with a stirring 01-1, 01-3 rotation of the impeller, an impeller stirring 01-12 and 01-14 feed impeller, surge plates located above 01-1 01-2 of the stirring body, turn 动叶轮01-3位于上隔板01-10的上方,搅拌叶轮01-12位于下隔板01-13上方,喂料叶轮01-14位于底板01-7的上方,在至少一个圆筒的筒壁上设有观察窗01-4,可随时观察粉料在料仓中的状态。 Impellers positioned above the upper partition plate 01-3 to 01-10, 01-12 stirring impeller is located in the top of the separator 01-13, the feed wheel is located above the bottom plate 01-7 to 01-14, at least one cylinder barrel wall is provided with observation windows 01-4, in the powder state can be observed at any time in the silo. 图1中所示,分别在上部圆筒01-9和中部圆筒01-11的筒壁上设有观察窗。 As shown in FIG. 1, an observation window are provided in the upper wall of the cylindrical tube 01-9 and 01-11 in the middle of the cylinder.

为了保证稳定均匀地给料,调节孔、两个落料口、出料口不宜位于传动轴的同侧,最好如图1所示,依次在传动轴的两侧交错排布。 In order to ensure a stable uniform feeding, regulating hole, two blanking opening, the discharge port should not be located on the same side of the drive shaft, preferably 1, are sequentially staggered arrangement on both sides of the drive shaft.

如图4所示,喂料叶轮01-14中央呈圆筒状,筒壁外部有沿径向伸展的叶片,筒壁下端与底板相接,两者之间采用机械密封,底板下方装有接灰杯01-17,接灰杯的开口与由喂料叶轮筒壁、下隔板01-13和底板01-7围成的空腔相通。 As shown, the feed wheel 4 01-14 central cylindrical shape, the outer cylindrical wall with a radially extending blade, the lower end of the cylindrical wall in contact with the base plate, a mechanical seal therebetween, connected with the bottom plate ash 01-17 cup, the cup opening of the ash feed impeller cavity defined by the cylindrical wall, the partition plate and the bottom plate 01-7 01-13 surrounded communication. 在工作过程中,粉尘会从筒壁与底板、筒壁与下隔板间的缝隙处进入空腔,部分粉尘落入接灰杯内,通过接灰杯内粉尘的积累程度可以判断设备的工作状况。 During operation, dust can enter the cavity from the gap between the cylindrical wall and the base, the cylindrical wall of the lower separator portion falls within the ash dust cup, the device can be determined by the degree of accumulation of dust in the ash cup work situation.

转动叶轮01-3和搅拌叶轮01-12的结构与喂料叶轮01-14的结构类似,其作用也基本相同。 Rotation of the impeller agitation impeller 01-3 and 01-12 and the feed wheel structure similar to the structure of 01-14, which is basically the same effect.

在传动轴01-15与底板01-7的连接处装有轴承座01-6,轴承装在轴承座内,轴承上方有轴承盖,轴承盖与轴承间有一空腔,有一风管01-18与该空腔相通,在轴承盖与传动轴之间装有骨架传动轴唇形密封圈。 In connection with the drive shaft and the bottom plate 01-7 01-15 01-6 bearing housing, a bearing mounted in the bearing housing, the bearing cover above the bearing, there is a cavity between the bearing and the bearing cap, there is a duct 01-18 communicating with the cavity, with the skeleton shaft lip seals between the bearing cap and the shaft. 在使用时,从风管01-18通入压缩空气,则高压气体也可阻止粉尘大量进入传动轴与轴承盖间的缝隙,这样,通过多种密封措施的应用,可大大降低粉尘对传动轴转动的影响,也就能延长设备的工作寿命。 In use from 01-18 pass into the air duct, the high-pressure gas may also prevent dust poured into the gap between the shaft and the bearing cap, so that, by application of a variety of sealing measures, can greatly reduce the dust on the drive shaft Effect of rotation, will also be able to extend the working life of the device.

科里奥利粉体流量计02包括电机02-1、壳体02-8,壳体上部有进料导流体02-6,进料导流体02-6呈倒圆台形,进料导流体上端有密封盖,密封盖上有进料口02-5,转动轴02-3安装在壳体02-8内,称量装置02-7安装在转动轴02-3下端,进料导流体02-6下端开口正对称量装置02-7,称量装置下方为出料筒02-10,扭矩传感器02-2两端分别与电机02-1和转动轴02-3相联,在转动轴与密封盖的连接处也装有轴承座02-4,轴承装在轴承座内,轴承座下端装有轴承盖,轴承盖中部有一空腔,有一进风管02-11与该空腔相通。 Coriolis flowmeter 02 comprises a motor powder 02-1, 02-8 housing, an upper housing having a feed guide member 02-6, 02-6 upper inverted truncated cone, feeding the feed flow guide member sealing cap, feed inlet 02-5, 02-3 rotating shaft mounted in the housing on the sealing cover 02-8, 02-7 mounted on the weighing device the lower end of the rotating shaft 02-3, the feed guide member 02- 6 below the lower end opening facing the weighing device 02-7, the weighing means is a cartridge 02-10, 02-2, respectively, at both ends of the torque sensor and the motor rotation shaft 02-3 02-1 associated with the rotating shaft and the seal connection of the cover is also provided with a bearing block 02-4, a bearing mounted in the bearing housing, the bearing housing with the bottom of the bearing cap, the bearing cap having a central cavity having a duct inlet in communication with the cavity 02-11. 此处轴承座02-4的安装方式与前述稳流给料机上轴承座01-6的安装方式类似,其防尘原理也与前述的相同。 Here chock installation 02-4 and the steady flow similar to the feeder installation on the bearing block 01-6, which is also the dust of the same principle.

称量装置02-7外装有防尘锥体02-9,防尘锥体呈圆台形,其上端与进料导流体02-6相连,防尘锥体可使从称量装置上甩出的粉体物料更迅速直接地从出料筒02-10排出,防止在壳体内产生结拱现象。 Weighing apparatus 02-7 with an outer cone 02-9 dust, dust pyramidal frusto-conical shape, which is connected to the upper end of the feed guide member 02-6, dust can drain from the funnel of the weighing device powder material cartridge 02-10 is more rapidly discharged directly out from and prevent the phenomenon of arching within the housing.

在工作时,粉料先进入上部圆筒,搅拌体可将结块的粉料打散,从而有效防止结拱、堵塞现象,然后粉料经调压孔进入中部圆筒,并依次经上隔板和下隔板上的落料口进入下部圆筒,粉料先后经过转动叶轮、搅拌叶轮和喂料叶轮的搅拌,可确保从出料口流出的粉料能稳定均匀地进入科里奥利粉体流量计的进料口。 In operation, first into the upper portion of the cylindrical powder, powder agglomerates stirring member can be broken up, thereby effectively preventing arching, clogging, and the powder through the pressure regulator into the central cylindrical hole, and in turn through the upper compartment blanking plate and the port on the lower partition into the lower cylinder, through rotation of the impeller has powder, stirring the stirring impeller and the impeller feed, from the supply port to ensure the outflow of the powder evenly into the stable Coriolis powder flowmeter feed port.

进入科里奥利粉体流量计的粉料沿进料导流体下端开口进入称量装置,扭矩传感器将信号传送给中央控制系统,中央控制系统可显示出粉料的瞬间流量及累进量,经计量后粉料经出料筒进入下道工序。 Coriolis flowmeter powder into the powder feed flow along the lower end opening into the weighing device, the torque sensor signal is transmitted to the central control system, a central control system may exhibit progressive and instantaneous flow amount of the powder, by metered by a powder cartridge into the next process.

这种科里奥利粉体定量给料秤不仅适用于水泥厂,也适用于电厂等企业,适合于对煤粉、水泥生熟料、粉煤灰等物料的在线计量。 This Coriolis powder dosing scale applies not only to the cement plant, also applies to power plants and other enterprises, suitable for online measurement of pulverized coal, raw cement clinker, fly ash and other materials.

Claims (6)

1.一种科里奥利粉体定量给料秤,包括科里奥利粉体流量计,科里奥利粉体流量计上有进料口,其特征在于:它还包括稳流给料机,稳流给料机由同轴的上部圆筒、中部圆筒和下部圆筒依次自上而下相接而成,上部圆筒的下端装有调压板,调压板的一侧设有调压孔,中部圆筒的下端装有下隔板,中部圆筒的上部装有上隔板,上隔板和下隔板上都设有落料口,下部圆筒的下端有底板,底板上有出料口,出料口与科里奥利粉体流量计上的进料口相接,在三个圆筒的轴线位置装有传动轴,传动轴下端与减速电机相连,传动轴上装有搅拌体、转动叶轮、搅拌叶轮和喂料叶轮,搅拌体位于调压板的上方,转动叶轮位于上隔板的上方,搅拌叶轮位于下隔板上方,喂料叶轮位于底板的上方,在至少一个圆筒的筒壁上设有观察窗。 A Coriolis powder dosing scales, powder comprises a Coriolis flow meter, the feed inlet Coriolis flowmeter powder, characterized by: further comprising feeding steady flow machine, steady flow feeder coaxial cylindrical upper, middle and lower cylindrical drum sequentially from top to bottom phase, the lower end of the upper plate cylinder equipped with pressure regulator, the regulator provided on the side plate with surge holes, with the lower end of the middle partition plate cylinder, the cylinder is equipped with an upper middle partition plate, the upper and lower separator has a separator blanking opening, the lower end of the lower portion of the cylinder with a bottom plate, the base plate has a discharge port, the inlet port and discharge the powder flowmeter Coriolis phase, with the drive shaft in the axial position of the three cylinder, and the lower end of the drive shaft is connected to gear motor, the drive shaft a body equipped with a stirrer, rotation of the impeller, an impeller stirring and feeding impeller body is located above the surge plates stirring impeller rotatably positioned on top of the separator, the separator is located above the stirring impeller, the impeller is located above the floor of the feed, in at least one cylindrical tube wall is provided with an observation window.
2.如权利要求1所述的科里奥利粉体定量给料秤,其特征在于:调节孔、落料口和出料口在传动轴的两侧交错排布。 2. The Coriolis quantitative powder according to claim 1 feed scale, wherein: adjustment hole, blanking and outlet ports on both sides of the drive shaft in staggered arrangement.
3.如权利要求2所述的科里奥利粉体定量给料秤,其特征在于:在传动轴与底板的连接处装有轴承座,轴承装在轴承座内,轴承上方有轴承盖,轴承盖与轴承间有一空腔,有一风管与该空腔相通。 3. The Coriolis quantitative powder according to claim 2 Feeding Scale, characterized in that: the bearing housing with the drive shaft at the connection to the base plate, a bearing mounted in the bearing housing, the bearing above the bearing cap, between the bearings and the bearing cap having a cavity, a duct in communication with the cavity.
4.如权利要求3所述的科里奥利粉体定量给料秤,其特征在于:喂料叶轮中央呈圆筒状,筒壁外部有沿径向伸展的叶片,筒壁下端与底板相接,底板下方装有接灰杯,接灰杯的开口与由筒壁、下隔板和底板围成的空腔相通。 4. The Coriolis quantitative powder according to claim 3 Feeding Scale, characterized in that: the central feed wheel has a cylindrical shape, the outer cylindrical wall with a radially extending vanes, and the bottom plate with the lower end of the cylindrical wall into contact with the ash cup bottom plate, the opening of the ash-cup cavity by a cylindrical wall, the partition plate and the bottom plate surrounded communication.
5.如权利要求4所述的科里奥利粉体定量给料秤,其特征在于:所述的科里奥利粉体流量计,包括电机、壳体,壳体上部有进料导流体,进料导流体上端有密封盖,密封盖上有进料口,转动轴安装在壳体内,称量装置安装在转动轴下端,进料导流体下端开口正对称量装置,称量装置下方装有出料筒,扭矩传感器两端分别与电机和转动轴相联,在转动轴与密封盖的连接处也装有轴承座,轴承装在轴承座内,轴承座下端装有轴承盖,轴承盖中部有一空腔,有一进风管与该空腔相通。 5. The Coriolis quantitative powder according to claim 4 Feeding Scale, characterized in that: said Coriolis flowmeter powder, comprising a motor, a housing, an upper housing having a feed guide member , the upper end of the feed guide body having a sealing cap, feed inlet, the rotation shaft mounted in the housing sealing cover, the weighing device is mounted on the lower end of the rotary shaft, the lower end opening of the feed flow directly beneath the weighing device, the weighing device mounted there the cartridge, both ends of the torque sensor and the motor rotation shaft are linked, at the junction with the rotating shaft bearing housing is also provided with a sealing cap, bearings mounted in the bearing seat, lower bearing seat with the bearing cap, the bearing cap there is a central cavity having a duct inlet in communication with the cavity.
6.如权利要求5所述的科里奥利粉体定量给料秤,其特征在于:所述的称量装置外装有防尘锥体,防尘锥体上端与进料导流体相连。 6. The Coriolis quantitative powder according to claim 5 feed scale, wherein: said weighing means is provided with an outer cone dust, dust attached to the upper end of the feed cone and the deflector body.
CN 200420010484 2004-03-29 2004-03-29 Coriolis powder constant feed weigher CN2681100Y (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101614579B (en) 2009-07-21 2010-11-17 蔡建武 Feed buffering device for ten-head combined balance
CN102063827A (en) * 2010-11-15 2011-05-18 重庆大学 Device for observing coriolis force and observation method
CN104501202A (en) * 2014-12-15 2015-04-08 江苏中圣园科技股份有限公司 Method for quantitatively allocating pulverized coal for combustors of industrial furnace
CN104501201A (en) * 2014-12-15 2015-04-08 无锡宏大环保设备有限公司 Device for quantitatively allocating pulverized coal for combustors of industrial furnace
CN105752693A (en) * 2016-02-29 2016-07-13 河南丰博自动化有限公司 Quantified powder feeding system
CN103940482B (en) * 2014-04-29 2016-09-14 安徽理工大学 Coriolis powder quality effusion meter

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101614579B (en) 2009-07-21 2010-11-17 蔡建武 Feed buffering device for ten-head combined balance
CN102063827A (en) * 2010-11-15 2011-05-18 重庆大学 Device for observing coriolis force and observation method
CN102063827B (en) 2010-11-15 2013-01-16 重庆大学 Device for observing coriolis force
CN103940482B (en) * 2014-04-29 2016-09-14 安徽理工大学 Coriolis powder quality effusion meter
CN104501202A (en) * 2014-12-15 2015-04-08 江苏中圣园科技股份有限公司 Method for quantitatively allocating pulverized coal for combustors of industrial furnace
CN104501201A (en) * 2014-12-15 2015-04-08 无锡宏大环保设备有限公司 Device for quantitatively allocating pulverized coal for combustors of industrial furnace
CN105752693A (en) * 2016-02-29 2016-07-13 河南丰博自动化有限公司 Quantified powder feeding system
CN105752693B (en) * 2016-02-29 2018-06-05 河南丰博自动化有限公司 A kind of given quantity feeding system

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