WO2015100535A1 - 一种密封阀门排料方法及使用该方法的排料装置 - Google Patents

一种密封阀门排料方法及使用该方法的排料装置 Download PDF

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Publication number
WO2015100535A1
WO2015100535A1 PCT/CN2013/090879 CN2013090879W WO2015100535A1 WO 2015100535 A1 WO2015100535 A1 WO 2015100535A1 CN 2013090879 W CN2013090879 W CN 2013090879W WO 2015100535 A1 WO2015100535 A1 WO 2015100535A1
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Prior art keywords
rollers
drum
rubber
roller
pair
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PCT/CN2013/090879
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English (en)
French (fr)
Inventor
喻成进
吴广
Original Assignee
喻成进
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Application filed by 喻成进 filed Critical 喻成进
Priority to PCT/CN2013/090879 priority Critical patent/WO2015100535A1/zh
Publication of WO2015100535A1 publication Critical patent/WO2015100535A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00—Loading or unloading
    • B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/34—Emptying devices
    • B65G65/40—Devices for emptying otherwise than from the top
    • B65G65/48—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems
    • B65G65/4881—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems rotating about a substantially horizontal axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/18—Preventing escape of dust

Definitions

  • the invention belongs to the technical field of sealing valves and discharging devices, in particular to a sealing valve discharging method, and also relates to a discharging device using the method, and is suitable for a discharging valve and a condenser discharging mechanism.
  • Sealing valve discharge is mainly used in the discharge mechanism of the ash discharge valve and the condenser.
  • the ash discharge valve is an indispensable ash discharge device for the dry dust collector and the material conveying system.
  • the dust collector concentrates the collected dust in the dust collector ash hopper and then discharges it from the ash discharge valve.
  • the ash discharge valve is suitable for powdery materials and granular materials, and is widely used in environmental protection, metallurgy, chemical, food, food and other industrial sectors. In order to ensure the normal operation of the precipitator, the ash discharge valve must be reliable, smooth and smooth.
  • the condenser is mainly used in the textile industry where it is necessary to transport or transfer raw materials.
  • the working principle is as follows: The raw cotton or chemical fiber is continuously condensed on the surface of the mesh dust cage through the cotton pipe under the pressure of the airflow of the fan, in the cotton stream The short velvet and dust pass through the dust cage mesh fan duct and are discharged into the dust filter system. The raw cotton or chemical fiber condensed on the surface of the dust cage is fed to the next machine under the rotary stripping of the cotton stripper.
  • the ash discharge valve mainly has the following three forms:
  • the first type is a star type ash discharge valve, which is mainly composed of a motor, a tooth difference planetary reducer (or a pin-needle cycloid reducer) and a rotary-type unloader. Relying on the gravity of the material and the coercive action of the working mechanism of the feeder, the material in the bin is discharged and continuously and evenly fed into the next device. However, it is prone to jam when there are many materials and large particles.
  • the cotton stalker of the condensate works the same as the star ash discharge valve; the second is the ash discharge
  • the valve uses the pressure of the material in the silo or the hopper to open the valve plate. After the material is removed by a certain amount, the pressure on the valve plate is reduced to achieve automatic closing. During the unloading process, due to the unloading process The material produced has no thrust effect, and the large granular material is prone to bridging, and there is a phenomenon of jamming, and secondary dusting also occurs.
  • the third type is a screw discharge valve, and the screw discharge valve also has air leakage and jamming. Point.
  • the dust collected by the dust collector mainly contains dust and fiber velvet, and the fiber velvet is the main cause of jamming and bridging. Therefore, how to ensure the smooth discharge of ash discharge valve is an urgent problem to be solved in the industry. Summary of the invention
  • the first object of the present invention is to provide a sealing valve discharging method with reliable operation and smooth discharge. It is especially suitable for the textile industry and the recycled cotton industry. It is also suitable for industries where the discharged ash does not contain blocky hard materials.
  • the first object of the present invention is achieved by the following technical measures: A sealing valve discharging method, characterized in that: a pair of side-by-side arrangements are arranged in a mounting space and pressed against each other and can be reversely rotated inwardly. The drum, the drum and the installation space are enclosed in a closed space, and the material is squeezed out from the discharge space of the pair of rollers.
  • the present invention provides the following three embodiments.
  • the outer wall of the drum is coated with an elastic and wear-resistant rubber, the rubber on the two rollers is closely attached, and the material is squeezed by the elastic rubber on the two rollers, and the rubber is encapsulated. Under the action of elasticity, the space is released to the material to be discharged. After the material is discharged, the rubber is kept tight under the action of elasticity to ensure no air leakage.
  • a pair of pressing devices are mounted on one of the rollers of the pair of rollers that are in close contact with each other, and the material pressing roller moves the roller outward through the pressing device to form a discharge space to ensure The material is squeezed out of the discharge space. After the material is discharged, the pressing device presses the squeezed roller back into close contact to ensure no air leakage.
  • the outer wall of the drum is coated with an elastic and wear-resistant rubber, and the rubber on the two rollers is closely attached, and one of the rollers is mounted with a pair of pressing devices, and the materials are from the two rollers.
  • the rubber is squeezed out, and the discharge space is provided by the elastic space of the material extrusion roller and the space where the roller moves outward through the pressing device.
  • the material extrusion roller of the invention has a space for discharging the material under the action of the elastic encapsulation and the roller equipped with the pressing device.
  • the invention has reliable operation, smooth discharge and ensures sealing, and is particularly suitable for the sealing.
  • the textile industry and the recycled cotton industry are also suitable for industries where ash is not contained in bulk ash.
  • a second object of the present invention is to provide a discharge device using the above-described sealing valve discharge method.
  • the second object of the present invention is achieved by the following technical measures:
  • a discharge device comprising a casing, wherein the casing is provided with a feed opening and a discharge opening respectively, and the utility model further comprises: a driving mechanism, a pair of rollers disposed side by side in the casing and pressed against each other to rotate in opposite directions, and the front and the rear of the casing are respectively provided with detachable inner and outer plates, the inner wall of the casing, the inner wall of the casing and the casing
  • the inner side plates are collectively enclosed into a closed space, and the driving mechanism drives the drum to rotate in the opposite direction to inject the materials entering the closed space from the discharge space of the pair of rollers, and is discharged through the discharge port.
  • the invention can realize reliable operation, smooth ash discharge, solve the problems of jamming, bridging and air leakage existing in the current ash discharging valve, and is particularly suitable for the textile industry and the recycled cotton industry, and improves the condensing which is now widely used.
  • the case where the cotton is stripped of cotton and the hand is leaking is also applicable to the industry in which the discharged ash does not contain blocky hard objects.
  • an auxiliary feeding roller that is pressed against the roller is disposed above each roller, and a pair of soft rubber plates are oppositely disposed on the inner edge of the feeding port.
  • the soft rubber sheet is closely attached to the outer wall of the auxiliary feeding roller, and the drum, the auxiliary feeding roller, the soft rubber plate, the inner wall of the casing and the inner side plate of the casing are jointly enclosed into a closed space.
  • the auxiliary feed roller is driven by the driving mechanism to assist the feeding into the sealed space, and the driving mechanism drives the drum to rotate in the opposite direction to inject the material entering the sealed space from the middle of the pair of rollers and discharge through the discharge port.
  • the outer wall of the drum is covered with a rubber, and the rubber on the drum is pressed against each other, and the rubber on the drum and the auxiliary feeding roller are pressed against each other.
  • the thickness of the rubberized rubber is 2-100mm, and the rubberized rubber has the characteristics of elastic wear resistance.
  • the length of the encapsulation of the present invention is less than the length of the front and rear inner panels of 0.5-50 mm.
  • flanges are installed at both ends of the drum, the diameter of the flange is smaller than the diameter of the rubber, and the thickness of the flange is 2-50 mm. .
  • a pressing device is respectively disposed at an outer end of the front and rear outer panels of the casing, and the pressing device includes two parallel supporting rails fixed on the outer panel, and is slidably mounted.
  • One end of the sliding rod is fixed on the ⁇ -type bearing and located between the two supporting sliding rails, and the other end is sleeved in the compression spring and then fixed on the spring pressing plate, and the ⁇ -type bearing supports one of the rollers to make it in the material Move outward under the squeeze and move inward after the material is discharged to achieve the roller close contact state.
  • the pressing device ensures that the rollers are separated when the material is squeezed.
  • the invention can also make the following improvements, in order to prevent the discharged material from drilling between the rotating drum and the inner side plate, increasing the load of rotation, adding a rubber sheet on the inner surface of each of the inner side plates, the rubber sheet Adjacent to the drum, the upper surface of the auxiliary feeding drum, the rubber sheet has a thickness of 2-50 mm.
  • the gap between the inner and outer plates of the phase separation of the present invention is 3-100 mm.
  • the invention is provided with a transparent observation window on the casing, and the transparent observation window is a pair and oppositely disposed, and the observation window is disposed corresponding to the soft rubber plate. Observe the working condition through the transparent observation window.
  • the transparent viewing window is preferably detachable and mounted on the window with plexiglass for easy replacement of the soft rubber sheet.
  • the invention has an inner hole on the inner side plate corresponding to the position of the drum and the auxiliary feeding drum, the diameter of the inner hole is larger than the diameter of the corresponding drum, and the end of the drum and the auxiliary feeding drum Passing through the inner hole respectively;
  • the outer plate is provided with an outer hole corresponding to the position of the roller and the auxiliary feeding roller shaft head, and the roller head of the auxiliary feeding roller passes through the outer hole and is in the second Between the installations to prevent dust
  • the vented sealing ring the roller head of the auxiliary feeding drum is mounted on a bearing located outside the casing.
  • the driving mechanism of the invention comprises a motor, a reducer and a transmission mechanism, wherein the motor is connected to the speed reducer, wherein a shaft head of one roller is connected with a power output end of the speed reducer to drive the drum to rotate, and the other roller is driven by the transmission mechanism
  • the auxiliary feed roller rotates.
  • the transmission mechanism employs a gear transmission mechanism.
  • the gear transmission mechanism of the present invention comprises gears mounted on the same side shaft head of the drum and the auxiliary feed drum, wherein the gears respectively mounted on the drum are main gears, and the pair of main gears mesh with each other, the main gear
  • the gear drive rollers are reversely rotated inwardly
  • the gears respectively mounted on the auxiliary feed rollers are auxiliary gears that mesh with their corresponding auxiliary gears to drive the auxiliary gears to drive the auxiliary feed rollers to rotate outward in opposite directions.
  • the auxiliary feed roller rotates in the opposite direction to prevent the soft rubber sheet from turning into the confined space to ensure the tightness of the sealed space.
  • the center distance of the pair of main gears of the present invention is less than or equal to the center distance of the pair of rollers, and the center distance of the auxiliary gear from the main gear is less than or equal to the center distance of the auxiliary feed roller and the drum.
  • the present invention has the following significant advantages:
  • the auxiliary feeding roller of the present invention helps the material to be discharged into the confined space, and drives the drum to rotate in the opposite direction, and the material entering the confined space is extruded from the middle of the two rollers, and the material is discharged through the discharge port, and the invention can realize The operation is reliable, the ash discharge is smooth, and the problems of jamming, bridging and air leakage existing in the current ash discharge valve are solved.
  • the invention is coated with an encapsulation on the outer wall of the drum, and the encapsulation has the characteristics of elastic wear resistance.
  • the auxiliary feeding roller rotates in the opposite direction to prevent the soft rubber sheet from turning into the confined space to ensure the sealing of the sealed space.
  • a sealing ring is installed between the shaft head and the outer hole of the roller and the auxiliary feeding roller to ensure that the dust does not leak.
  • the drum is opposite to the corresponding auxiliary feed drum, but the line speed is the same, which can reduce the friction of the auxiliary feed roller on the drum.
  • the transmission mechanism of the invention adopts a gear transmission mechanism, and has a simple composition and reliable operation.
  • Adding a rubber plate on the inner side plate can prevent the discharged material from drilling between the rotating roller and the inner side plate to increase the rotational load.
  • the overall structure of the invention is simple and practical, and is particularly suitable for discharging dust and fiber linters.
  • the textile industry is also suitable for industries where ash is not contained in bulk ash.
  • Figure 1 is a side elevational view of Embodiment 1 of the present invention.
  • Figure 2 is a schematic view showing the structure of a drum in Embodiment 1 of the present invention.
  • Figure 3 is a front elevational view showing the first embodiment of the present invention.
  • Figure 4 is a side elevational view of Embodiment 2 of the present invention.
  • Figure 5 is a front elevational view showing the second embodiment of the present invention. detailed description
  • the invention discloses a sealing valve discharging method, which is provided with a pair of rollers arranged side by side and pressed against each other and can be rotated in opposite directions in a mounting space, and the drum and the installation space are enclosed in a closed space, and are wrapped on the outer wall of the drum. Covering the elastic and wear-resistant rubber, the rubber on the two rollers is tightly attached, the material is squeezed out from the discharge space between the two rollers, and the discharge space is elastic by the material pressing roller. The rubber is formed by extrusion. When the material is squeezed by the elastic rubber on the two rollers, the rubber is released under the action of elasticity, and the space is released to the material to be discharged. After the material is discharged, the rubber is kept tight under the action of elasticity, ensuring no Air leaks.
  • the discharge device using the above method is also applicable to the condenser discharge mechanism, including the casing 8, and the casing 8 is a rectangular parallelepiped, and the casing 8 is separately provided with a detachable phase.
  • the inner and outer plates are respectively provided with a feed port 9 and a discharge port 10 on the upper and lower sides of the casing.
  • the feed port 9 is located on the top surface of the casing 8 and extends into the casing 8, and the discharge port 10 is located in the casing 8.
  • the bottom surface further includes a driving mechanism, a pair of rollers arranged in parallel in the casing 1, 2, auxiliary feeding rollers 3, 4 and a soft rubber plate 7, and the outer walls of the rollers 1, 2 are covered with elastic wear-resistant
  • the thickness of the rubber 13 and the rubber 13 is 2-100 mm.
  • the length of the rubber 13 is less than the length of the front and rear inner panels of 0.5-50 mm.
  • the rubber seals 13 on the drums 1, 2 are pressed against each other, and the auxiliary feed rollers 3, 4 are located above the drums 1, 2 and are respectively pressed against each other by a roller rubber.
  • the rubber on the drum 1 is encapsulated.
  • the auxiliary feeding drum 3 is pressed against each other, and the rubber coating on the drum 2 and the auxiliary feeding roller 4 are pressed against each other.
  • the soft rubber sheets 7 are a pair and are oppositely disposed on the extending end of the feeding port 9, soft.
  • the rubber sheet 7 is closely attached to the outer wall of the auxiliary feeding drums 3, 4 by its own elastic force and negative pressure; the rubber 13 on the drums 1, 2, the auxiliary feeding drums 3, 4,
  • the soft rubber sheet 7 and the feed port 9 are jointly enclosed into a closed space 18, and the two auxiliary feed rollers are respectively rotated outward (the B direction shown in FIG. 1), and the auxiliary feeding rollers 3 and 4 are driven by the driving mechanism.
  • the driving mechanism drives the rollers 1, 2 to rotate (the A direction shown in Fig. 1), and the material entering the confined space 18 is squeezed out from the space released by the encapsulation between the pair of rollers, after passing through The discharge port 10 is discharged.
  • flanges 31, 32 are installed at both ends of the drums 1, 2, and the diameters of the flanges 31, 32 are smaller than the diameter of the rubber, and the thickness of the flange is 2-50 mm.
  • a transparent observation window 5 is disposed on the left and right sides of the casing 8.
  • the transparent observation window 5 is a pair and is oppositely disposed.
  • the transparent observation window is used for observing the operation inside the casing 8, and the observation window 5 corresponds to the soft rubber.
  • the plate 7 is disposed, and the transparent observation window 5 is formed by detachably mounting the plexiglass 6 on the window, and the soft rubber plate 7 can be easily replaced.
  • the casing 8 is used for mounting the drums 1, 2.
  • the side plates of the auxiliary feeding rollers 3, 4 are front and rear side plates, and the front and rear side plates are respectively composed of the vertically arranged inner side plate 12 and the outer side plate 11, and the inner side plate Both the 12 and the outer side panels 11 are detachably mounted.
  • the inner side panel 12 serves to increase the sealing performance of the sealed space 18.
  • the diameter of the inner hole is larger than the diameter of the drum 1, 2 and the auxiliary feeding drum 3, 4, respectively, the ends of the drum 1, 2, the auxiliary feeding drum 3, 4 respectively pass through the inner hole 19, the hole of the inner hole 19
  • the distance between the edge and the roller 1, 2, the ends of the auxiliary feeding rollers 3, 4 is 0.1-50 mm; the positions of the front and rear outer plates 11 corresponding to the rollers 1, 2, the auxiliary feeding rollers 3, 4, and the shaft head are opened.
  • Outer hole 20, roller 1, 2, the shaft head of the auxiliary feeding drum 3, 4 passes through the outer hole 20 and is fitted with a sealing ring 21 for preventing dust from leaking between the two, the roller 1, 2, auxiliary
  • the shaft ends of the rolls 3, 4 are mounted on bearings 14 located outside the casing 8. There is a gap between the inner side panel 12 and the outer side panel 11 which is 3-100 mm, ensuring that dust passing through the inner side panel 12 falls into the gap without falling outside the outer side panel 11.
  • the driving mechanism comprises a motor 16, a reducer 15 and a transmission mechanism, and the motor 16 is connected to the speed reducer 15, wherein the shaft head of one drum 1 and the power output end of the speed reducer 15 are connected by a coupling 23 to drive the drum 1 to rotate and pass
  • the transmission mechanism drives the other roller 2, and the auxiliary feeding rollers 3, 4 rotate.
  • the transmission mechanism adopts a gear transmission mechanism, and the gear transmission mechanism includes gears mounted on the same side shaft head of the drum 1, 2, the auxiliary feeding rollers 3, 4, wherein they are respectively mounted on the drums 1, 2
  • the gears are main gears 17, and the pair of main gears 17 mesh with each other.
  • the center distance of the main gears 17 is less than or equal to the center distance of the drums 1, 2, and the main gears 17 drive the drums 1, 2 to rotate in opposite directions (shown in FIG. 1).
  • the material to be discharged is located between the two rollers 1, 2, and is squeezed under the elastic action of the rubber on the rollers 1, 2, and then falls to the out
  • the nozzles are discharged;
  • the gears respectively mounted on the auxiliary feed rollers 3, 4 are auxiliary gears 22, and the center distance of the auxiliary gears 22 from the main gears 17 is less than or equal to the center distance of the auxiliary feed rollers and the rollers.
  • the main gear meshes with its corresponding auxiliary gear to drive the auxiliary gear to drive the auxiliary feed roller to rotate in the opposite direction.
  • the drum is opposite to the corresponding auxiliary feed roller, but the line speed is the same, which can reduce the auxiliary feed roller pair.
  • the friction of the rubber on the drum; the reverse rotation of the auxiliary feed roller helps the material to be discharged into the confined space, falls to the middle of the two rollers and is squeezed out, and the second is to ensure that the soft rubber sheet does not fall into the confined space. .
  • the difference between this embodiment and the embodiment 1 is that: a pair of pressing devices are mounted on one of the rollers of the snug roller, and the material squeezes the roller to pass the roller outward through the pressing device. The movement creates a discharge space to ensure that the material is squeezed out of the discharge space. After the material is discharged, the pressing device presses the squeezed roller back into close contact to ensure no air leakage.
  • the pair of pressing devices are respectively disposed at two sides of the outer end of the outer side plate of the casing, and the pressing device comprises two parallel supporting sliding rails 41 fixed on the outer side plate, and T slidably mounted on the two supporting sliding rails
  • the bearing 42, the slide bar 43, the spring pressure plate 41a and the compression spring 44 are fixed to the end of the support rail 41, wherein the shaft head of one roller 2 is mounted in the T-shaped bearing 42, one end of the slide bar 43 It is fixed on the T-shaped bearing 42 and located between the two supporting slide rails 41. The other end is sleeved in the compression spring 44 and then fixed on the spring pressure plate 41a.
  • the T-shaped bearing 42 supports one of the rollers 2 to be squeezed in the material.
  • the roller Pressing and moving outward, and moving inward after the material is discharged, the roller is in close contact state, and the discharge space is released by the extrusion of the rubber on the material pressing roller and the roller is moved outward by the pressing device. The space that comes out is formed together.
  • a rubber sheet 50 is added on the inner surface of each inner side plate, and the rubber sheet 50 is disposed close to the drum and the auxiliary feeding drum.
  • the thickness of the rubber sheet 50 is 2-50 mm.
  • the rubber is not provided on the drum, and the discharge space is formed only by the space where the material squeezes the drum to move the drum outward.
  • the pressing device in Embodiment 2 it is realized by the pressing device in Embodiment 2, and the structure of the pressing device will not be described herein.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Abstract

一种密封阀门排料方法及使用该方法的排料装置，所述排料方法包括在一安装空间内设置一对并列排布且相互压紧并可反向向内转动的滚筒（1、2），滚筒（1、2）与安装空间合围成一密闭空间（18），物料从该对滚筒的出料空间中被挤压出来。在滚筒（1、2）外壁上包覆弹性耐磨的包胶（13）,两个滚筒（1、2）上的包胶（13）紧贴；在该对滚筒（1、2）的其中一个滚筒上安装有一对压紧装置，物料从两个滚筒（1、2）上的包胶（13）之间的出料空间挤压出来，或通过压紧装置向外移动形成出料空间以确保物料从出料空间中被挤压出来。滚筒（1、2）在具有包胶（13）和安装有压紧装置的滚筒作用下，释放出空间让物料排出，其运行可靠、排料顺畅，同时能保证密封，特别适用于纺织行业及再生棉行业，也适用于排出的灰中不含块状硬物的行业。

Description

一种密封阀门排料方法及使用该方法的排料装置 技术领域
本发明属于密封阀门和排料设备技术领域， 尤其涉及一种密封阀门排料方法， 还涉及使用该方法的排料装置， 适用于卸灰阀和凝棉器排料机构等。 背景技术
密封阀门排料主要应用在卸灰阀和凝棉器的排料机构上。 卸灰阀是干式除尘器 和物料输送系统不可缺少的卸灰装置， 除尘器把收集的灰尘集中在除尘器集灰斗 中， 再由卸灰阀排出。 卸灰阀适用于粉状物料和颗料状物料， 在环保、 冶金、 化 工、 粮食、 食品等工业部门广泛应用。 为了保证除尘器的正常运行， 卸灰阀必须 运行可靠、 卸灰流畅和密封。 凝棉器主要应用在纺织行业里需要输送或转移原料 的场合， 其工作原理为： 原棉或化纤在风机的气流压力作用下， 通过输棉管道不 断地凝聚在网眼尘笼表面， 棉流中的短绒与尘屑通过尘笼网孔风机管道， 排入滤 尘系统， 凝聚在尘笼表面的原棉或化纤在剥棉打手的回转剥取下喂入下一机台。
目前， 卸灰阀主要具有以下三种形式： 第一种是星型卸灰阀， 它主要由电机、 齿差行星减速器 （或针纶摆线减速机） 与转龙式卸料器组成， 依靠物料的重力作 用及给料机工作机构的强制作用， 将仓内的物料卸出并连续均匀地喂入下一装置 中去， 但是， 在物料较多且有大颗粒物料时容易发生卡死现象， 而且存在漏气， 由于卸灰口会产生一定负压， 还易于产生二次扬尘， 凝棉器的剥棉打手和星型卸 灰阀的工作原理一样； 第二种是翻板卸灰阀， 其是利用料仓或灰斗中物料对阀板 的压力使阀板打开， 物料卸下一定量后， 阀板上的压力减小而实现自动关闭， 在 卸料过程中， 由于对卸出的物料没有推力作用， 大颗粒物料容易发生搭桥， 且存 在卡死现象， 同时也会出现二次扬尘； 第三种是螺杆卸灰阀， 螺杆卸灰阀同样也 具有漏气及卡死的缺点。
针对纺织行业而言， 除尘器所收集的灰尘主要含有粉尘和纤维绒， 而其中的纤 维绒正是造成卡死和搭桥的主要原因。 因此， 如何保证卸灰阀卸灰流畅是目前本 行业亟待解决的问题。 发明内容
本发明的第一个目的在于提供一种运行可靠、 排料流畅的密封阀门排料方法， 特别适用于纺织行业及再生棉行业， 也适用于排出的灰中不含块状硬物的行业。 本发明的第一个目的通过以下的技术措施来实现： 一种密封阀门排料方法， 其特征在于： 在一安装空间内设置一对并列排布且相互压紧并可反向向内转动的 滚筒， 滚筒与安装空间合围成一密闭空间， 物料从该对滚筒的出料空间中被挤压 出来。
滚筒挤压物料时， 为了能提供空间给物料， 同时也要保证两滚筒之间不漏气， 本发明提供以下三种实施方式。
作为本发明的一种实施方式， 在滚筒外壁上包覆弹性耐磨的包胶， 两个滚筒 上的包胶紧贴， 物料受到两个滚筒上具有弹性的包胶挤压时， 包胶在弹性作用下， 释放出空间给所要排出的物料， 物料排出后， 包胶在弹性的作用下， 保持紧贴， 确保不漏气。
作为本发明的另一种实施方式， 在所述紧贴的该对滚筒的其中一个滚筒上安 装有一对压紧装置， 物料挤压滚筒使滚筒通过压紧装置向外移动形成出料空间以 确保物料从出料空间中被挤压出来。 物料排出后， 压紧装置将受挤压的滚筒压回 紧贴状态， 确保不漏气。
作为本发明的其它实施方式， 在滚筒外壁上包覆弹性耐磨的包胶， 两个滚筒 上的包胶紧贴， 在其中一个滚筒上安装有一对压紧装置， 物料从两个滚筒上的包 胶之间挤压出来， 出料空间由物料挤压滚筒包胶的弹性空间和滚筒通过压紧装置 向外移动的空间同时提供。
本发明物料挤压滚筒， 滚筒在具有弹性的包胶和安装有压紧装置的滚筒的作 用下， 释放出空间让物料排出来， 本发明运行可靠、 排料流畅， 同时保证密封， 特别适用于纺织行业及再生棉行业， 也适用于排出的灰中不含块状硬物的行业。
本发明的第二个目的在于提供一种使用上述密封阀门排料方法的排料装置。 本发明的第二个目的通过以下的技术措施来实现： 一种排料装置， 包括机壳， 所述机壳上下分别设有进料口和出料口， 其特征在于： 还包括驱动机构、 设于机 壳内一对并列排布且相互压紧可反向向内转动的滚筒， 机壳的前后分别设有可拆 卸相分隔的内外侧板， 所述滚筒、 机壳内壁及机壳的内侧板共同合围成一个密闭 空间， 通过驱动机构驱动滚筒反向向内转动将进入密闭空间的物料从这对滚筒的 出料空间中挤压出来， 经过出料口排出。
本发明能够实现运行可靠， 卸灰流畅， 解决了目前卸灰阀中存在的卡死、 搭 桥及漏气的问题， 特别适用于纺织行业及再生棉行业， 改善了现在普遍应用的凝 棉器剥棉打手漏气的情况， 也适用于排出的灰中不含块状硬物的行业。
作为本发明的一种实施方式， 在每个滚筒的上方分别设置一个与该滚筒相互 压紧的辅助进料滚筒， 在所述进料口的内口沿上相对设置有一对软质胶板， 所述 软质胶板紧贴在所述辅助进料滚筒的外壁上， 所述的滚筒、 辅助进料滚筒、 软质 胶板、 机壳内壁及机壳的内侧板共同合围成一个密闭空间， 通过驱动机构驱动辅 助进料滚筒转动辅助进料至密闭空间中， 驱动机构驱动滚筒反向向内转动将进入 密闭空间的物料从这对滚筒中间挤压出来， 经过出料口排出。
作为本发明的一种改进， 所述滚筒的外壁上包覆有包胶， 所述滚筒上的包胶相 互压紧， 同时所述滚筒上的包胶与辅助进料滚筒相互压紧， 所述包胶的厚度是 2-100mm, 包胶具有弹性耐磨的特点。
本发明所述包胶的长度小于前、 后内侧板的长度 0.5-50mm。
为了避免包胶两端和内侧板产生磨损， 作为本发明的进一步改进， 在滚筒的 两端安装法兰， 所述法兰的直径小于包胶的直径， 所述法兰的厚度为 2-50mm。
作为本发明的另一种实施方式， 在机壳的前后外侧板的外端分别设有压紧装 置， 所述压紧装置包括固定在外侧板上的两个平行的支撑滑轨、 可滑动安装在两 个支撑滑轨上的 T型轴承、 滑杆、 弹簧压板和压縮弹簧， 所述弹簧压板固定在支 撑滑轨的端部， 其中一个滚筒的轴头安装在 τ型轴承中， 所述滑杆的一端固定在 所述 τ型轴承上并位于两个支撑滑轨之间， 另一端套于压縮弹簧内后固定在弹簧 压板上， 所述 τ型轴承支撑其中一个滚筒使其在物料挤压下向外移动， 并在物料 排出后向内移动实现滚筒紧贴状态。 压紧装置确保物料受挤压时， 能使滚筒分开。
本发明还可以做以下改进， 为了避免所排的物料钻进转动的滚筒和内侧板之 间， 增大转动的负荷， 在所述每个内侧板的内面上增设一块胶板， 所述胶板靠近 滚筒、 辅助进料滚筒的上面设置， 所述胶板的厚度为 2-50mm。
本发明所述相分隔的内侧板和外侧板之间的间隙为 3-100mm。
本发明在所述机壳上设有透明观察窗， 所述透明观察窗为一对且相对设置， 所述观察窗对应于所述软质胶板设置。 通过透明观察窗方便观察工作情况。 透明 观察窗优选采用有机玻璃可拆卸安装在窗口上， 方便更换软质胶板。
本发明在所述内侧板上对应于所述滚筒、 辅助进料滚筒的位置开有内孔， 所 述的内孔的直径大于相对应的滚筒的直径， 所述滚筒、 辅助进料滚筒的端部分别 穿过内孔； 所述外侧板上对应于所述滚筒、 辅助进料滚筒轴头的位置开有外孔， 所述滚筒、 辅助进料滚筒的轴头穿过该外孔并在二者之间安装有用于防止粉尘外 泄的密封圈， 所述滚筒、 辅助进料滚筒的轴头安装在位于机壳外的轴承上。
本发明所述驱动机构包括电机、 减速机及传动机构， 所述电机连接减速机， 其中一个滚筒的轴头与减速机的动力输出端相连以驱动该滚筒转动， 并通过传动 机构带动另一滚筒、 所述辅助进料滚筒转动。
作为本发明的一种实施方式， 所述传动机构采用齿轮传动机构。
本发明所述齿轮传动机构包括安装在所述滚筒、 辅助进料滚筒的同一侧轴头 上的齿轮， 其中， 分别安装在滚筒上的齿轮为主齿轮， 该对主齿轮相互啮合， 所 述主齿轮驱动滚筒反向向内转动， 分别安装在辅助进料滚筒上的齿轮为辅助齿轮， 所述齿轮与其相对应的辅助齿轮相啮合以驱动辅助齿轮从而带动辅助进料滚筒反 向向外转动。 辅助进料滚筒反向向外转动以避免软质胶板翻进密闭空间内， 确保 密闭空间的密封性。
本发明所述一对主齿轮的中心距小于或者等于一对滚筒的中心距， 所述辅助 齿轮与主齿轮的中心距小于或者等于辅助进料滚筒和滚筒的中心距。
与现有技术相比， 本发明具有以下显著的优点：
(1) 本发明辅助进料滚筒帮助所要排出的物料进入密闭空间， 并驱动滚筒反向 向内转动将进入密闭空间的物料从两滚筒中间挤出， 物料经过出料口排出， 本发 明能够实现运行可靠， 卸灰流畅， 解决了目前卸灰阀中存在的卡死、 搭桥及漏气 的问题。
(2)本发明在滚筒的外壁上包覆有包胶， 包胶具有弹性耐磨的特点。
(3)辅助进料滚筒反向向外转动以避免软质胶板翻进密闭空间内， 确保密闭空 间的密封性。
(4)滚筒、 辅助进料滚筒的轴头与外孔之间安装有密封圈， 能够确保粉尘不外 泄。
(5)滚筒与其对应的辅助进料滚筒的转向相反， 但线速度相同， 可减少辅助进 料滚筒对滚筒上包胶的摩擦。
(6)内侧板和外侧板之间具有间隙， 确保穿过内侧板的粉尘掉落在该间隙中， 而不会落于外侧板外。
(7)发明的传动机构采用齿轮传动机构， 组成简单， 运行可靠。
(8)在内侧板上增设胶板， 可以避免所排的物料钻进转动的滚筒和内侧板之间， 增大转动的负荷。
(9)本发明整体结构简单、 实用性强， 特别适用于排出粉尘和纤维绒混合物的 纺织行业， 也适用于排出的灰中不含块状硬物的行业。 附图说明
以下结合附图对本发明作进一步的详细说明。
图 1是本发明实施例 1侧视示意图；
图 2是本发明实施例 1中滚筒结构示意图；
图 3是本发明实施例 1正视示意图；
图 4是本发明实施例 2侧视示意图；
图 5是本发明实施例 2正视示意图。 具体实施方式
实施例 1
是本发明一种密封阀门排料方法， 在一安装空间内设置一对并列排布且相互 压紧并可反向向内转动的滚筒， 滚筒与安装空间合围成一密闭空间， 在滚筒外壁 上包覆弹性耐磨的包胶， 两个滚筒上的包胶紧贴， 物料从两个滚筒上的包胶之间 的出料空间挤压出来， 出料空间由物料挤压滚筒上的具有弹性的包胶受挤压而形 成。 物料受到两个滚筒上具有弹性的包胶挤压时， 包胶在弹性的作用下， 释放出 空间给所要排出的物料， 物料排出后， 包胶在弹性的作用下， 保持紧贴， 确保不 漏气。
如图 1~3所示， 是使用上述方法的排料装置， 同样适用于凝棉器排料机构， 包 括机壳 8， 机壳 8为长方体， 机壳 8的前后分别设有可拆卸相分隔的内外侧板，机 壳上下分别设有进料口 9和出料口 10， 进料口 9位于机壳 8的顶面上且伸进机壳 8内， 出料口 10位于机壳 8的底面上； 还包括驱动机构、 设于机壳内一对并列排 布的滚筒 1、 2、 辅助进料滚筒 3、 4及软质胶板 7， 滚筒 1、 2外壁上包覆有弹性 耐磨的包胶 13， 包胶 13的厚度是 2-100mm。 包胶 13的长度小于前、 后内侧板的 长度 0.5-50mm。 滚筒 1、 2上的包胶 13相互压紧， 辅助进料滚筒 3、 4位于滚筒 1、 2的上方 并各自与一个滚筒包胶相互压紧， 在本实施例中， 滚筒 1上的包胶与辅助进料滚 筒 3相互压紧， 而滚筒 2上的包胶与辅助进料滚筒 4相互压紧， 软质胶板 7为一 对且相对设置在进料口 9的伸入端上， 软质胶板 7靠自身的弹力和负压的作用紧 贴在辅助进料滚筒 3、 4的外壁上；滚筒 1、 2上的包胶 13、辅助进料滚筒 3、 4、 软质胶板 7和进料口 9共同合围成一个密闭空间 18， 两辅助进料滚筒分别向外转 动 （图 1所示的 B方向）， 通过驱动机构驱动辅助进料滚筒 3、 4转动辅助进料至 密闭空间 18中， 驱动机构驱动滚筒 1、 2转动 （图 1所示的 A方向） 将进入密闭 空间 18的物料从该对滚筒之间包胶释放出来的空间中挤压出来， 经过出料口 10 排出。
为了避免包胶两端和内侧板产生磨损， 在滚筒 1、 2的两端安装法兰 31、 32， 法兰 31、 32的直径小于包胶的直径， 法兰的厚度为 2-50mm。
机壳 8左、 右侧面上设有透明观察窗 5， 透明观察窗 5为一对且相对设置， 通 过透明观察窗用于观察机壳 8内的运行情况， 观察窗 5对应于软质胶板 7设置， 透明观察窗 5是采用有机玻璃 6可拆卸安装在窗口上构成， 可以方便更换软质胶 板 7。
机壳 8用于安装滚筒 1、 2、 辅助进料滚筒 3、 4的侧板为前、 后侧板， 前、 后侧板分别由竖向设置的内侧板 12和外侧板 11组成，内侧板 12和外侧板 11均为 可拆卸安装。 内侧板 12用于增加密闭空间 18的密闭性能。
在前、 后内侧板 12上对应于滚筒 1、 2、 辅助进料滚筒 3、 4的位置开有内孔
19， 内孔的直径分别大于滚筒 1、 2和辅助进料滚筒 3、 4的直径， 滚筒 1、 2、 辅 助进料滚筒 3、 4的端部分别穿过内孔 19， 内孔 19的孔缘与滚筒 1、 2、 辅助进料 滚筒 3、 4端部的距离是 0.1-50mm; 前、 后外侧板 11上对应于滚筒 1、 2、 辅助进 料滚筒 3、 4轴头的位置开有外孔 20， 滚筒 1、 2、 辅助进料滚筒 3、 4的轴头穿过 该外孔 20并在二者之间安装有用于防止粉尘外泄的密封圈 21， 滚筒 1、 2、 辅助 进料滚筒 3、 4的轴头安装在位于机壳 8外的轴承 14上。 内侧板 12和外侧板 11 之间具有间隙， 该间隙为 3-100mm， 确保穿过内侧板 12的粉尘掉落在该间隙中， 而不会落于外侧板 11外。
驱动机构包括电机 16、 减速机 15及传动机构， 电机 16连接减速机 15， 其中 一个滚筒 1的轴头与减速机 15的动力输出端通过联轴器 23相连以驱动该滚筒 1 转动， 并通过传动机构带动另一滚筒 2、 辅助进料滚筒 3、 4转动。 在本实施例中， 传动机构采用齿轮传动机构， 齿轮传动机构包括安装在滚筒 1、 2、 辅助进料滚筒 3、 4的同一侧轴头上的齿轮， 其中， 分别安装在滚筒 1、 2上的齿轮为主齿轮 17， 该对主齿轮 17相互啮合， 主齿轮 17的中心距小于或者等于滚筒 1、 2的中心距， 主齿轮 17驱动滚筒 1、 2反向向内转动（图 1所示的 A方向）， 要排出的物料位于 两个滚筒 1、 2之间， 在滚筒 1、 2上的包胶的弹性作用下挤压下来， 再下落至出 料口排出； 分别安装在辅助进料滚筒 3、 4上的齿轮为辅助齿轮 22， 辅助齿轮 22 与主齿轮 17的中心距小于或者等于辅助进料滚筒和滚筒的中心距。 主齿轮与其相 对应的辅助齿轮相啮合以驱动辅助齿轮从而带动辅助进料滚筒反向向外转动， 滚 筒与其对应的辅助进料滚筒的转向相反， 但线速度相同， 可减少辅助进料滚筒对 滚筒上包胶的摩擦； 辅助进料滚筒反向向外转动一是帮助所要排出的物料进入密 闭空间， 下落至两滚筒中间并挤压出来， 二是确保软质胶板不翻进密闭空间内。
实施例 2
如图 4、 5所示， 本实施例与实施例 1的区别之处在于： 在紧贴的滚筒的其中 一个滚筒上安装有一对压紧装置， 物料挤压滚筒使滚筒通过压紧装置向外移动形 成出料空间以确保物料从出料空间中被挤压出来。 物料排出后， 压紧装置将受挤 压的滚筒压回紧贴状态， 确保不漏气。 该对压紧装置分别设置在机壳的外侧板的 外端两侧， 压紧装置包括固定在外侧板上的两个平行的支撑滑轨 41、 可滑动安装 在两个支撑滑轨上的 T型轴承 42、滑杆 43、 弹簧压板 41a和压縮弹簧 44， 弹簧压 板 41a固定在支撑滑轨 41的端部， 其中一个滚筒 2的轴头安装在 T型轴承 42中， 滑杆 43的一端固定在 T型轴承 42上并位于两个支撑滑轨 41之间， 另一端套于压 縮弹簧 44内后固定在弹簧压板上 41a上， T型轴承 42支撑其中一个滚筒 2使其在 物料挤压下向外移动， 并在物料排出后向内移动实现滚筒紧贴状态， 出料空间由 物料挤压滚筒上的包胶受挤压释放出来的空间和通过压紧装置使滚筒向外移动释 放出来的空间共同形成。 为了避免所排的物料钻进转动的滚筒和内侧板之间， 增 大转动的负荷， 在每个内侧板的内面上增设一块胶板 50， 胶板 50靠近滚筒、 辅助 进料滚筒的上面设置， 胶板 50的厚度为 2-50mm。
实施例 3
本实施例与实施例 2的区别之处在于： 滚筒上没有设置包胶， 出料空间仅仅 由物料挤压滚筒使滚筒向外移动释放出来的空间形成。 具体是通过实施例 2中的 压紧装置来实现， 在此不赘述压紧装置的结构。
本发明的实施方式不限于此， 根据本发明的上述内容， 按照本领域的普通技 术知识和惯用手段， 在不脱离本发明上述基本技术思想前提下， 本发明还可以做 出其它多种形式的修改、 替换或变更， 均落在本发明权利保护范围之内。

Claims

权利要求
1、 一种密封阀门排料方法， 其特征在于： 在一安装空间内设置一对并列排布 且相互压紧并可反向向内转动的滚筒， 滚筒与安装空间合围成一密闭空间， 物料 从该对滚筒之间的出料空间中被挤压出来。
2、 根据权利要求 1所述的密封阀门排料方法， 其特征在于： 在滚筒外壁上包 覆弹性耐磨的包胶， 两个滚筒上的包胶紧贴， 物料从两个滚筒上的包胶之间的出 料空间挤压出来， 出料空间由物料挤压滚筒上的具有弹性的包胶受挤压而形成。
3、 根据权利要求 1所述的密封阀门排料方法， 其特征在于： 在所述紧贴的该 对滚筒的其中一个滚筒上安装有一对压紧装置， 物料挤压滚筒使滚筒通过压紧装 置向外移动形成出料空间以确保物料从出料空间中被挤压出来。
4、 根据权利要求 1所述的密封阀门排料方法， 其特征在于： 在滚筒外壁上包 覆弹性耐磨的包胶， 两个滚筒上的包胶紧贴， 在其中一个滚筒上安装有一对压紧 装置， 物料从两个滚筒上的包胶之间挤压出来， 出料空间由物料挤压滚筒包胶的 弹性空间和滚筒通过压紧装置向外移动的空间同时提供。
5、 一种使用权利要求 1所述的密封阀门排料方法的排料装置， 包括机壳， 所 述机壳上下分别设有进料口和出料口， 其特征在于： 还包括驱动机构、 设于机壳 内一对并列排布且相互压紧可反向向内转动的滚筒， 机壳的前后分别设有可拆卸 相分隔的内外侧板， 所述滚筒、 机壳内壁及机壳的内侧板共同合围成一个密闭空 间， 通过驱动机构驱动滚筒反向向内转动将进入密闭空间的物料从这对滚筒的出 料空间中挤压出来， 经过出料口排出。
6、 根据权利要求 5所述的排料装置， 其特征在于： 在每个滚筒的上方分别设 置一个与该滚筒相互压紧的辅助进料滚筒， 在所述进料口的内口沿上相对设置有 一对软质胶板， 所述软质胶板紧贴在所述辅助进料滚筒的外壁上， 所述的滚筒、 辅助进料滚筒、 软质胶板、 机壳内壁及机壳的内侧板共同合围成一个密闭空间， 通过驱动机构驱动辅助进料滚筒转动辅助进料至密闭空间中， 驱动机构驱动滚筒 反向向内转动将进入密闭空间的物料从这对滚筒的出料空间中挤压出来， 经过出 料口排出。
7、 根据权利要求 6所述的排料装置， 其特征在于： 所述滚筒的外壁上包覆有 包胶， 所述滚筒上的包胶相互压紧， 同时所述滚筒上的包胶与辅助进料滚筒相互 压紧， 所述滚筒上包胶的厚度是 2-100mm。
8、 根据权利要求 7所述的排料装置， 其特征在于： 所述包胶的长度小于前、 后内侧板的长度 0.5-50mm。
9、 根据权利要求 6或 8所述的排料装置， 其特征在于： 在机壳的前后外侧板 的外端分别设有压紧装置， 所述压紧装置包括固定在外侧板上的两个平行的支撑 滑轨、 可滑动安装在两个支撑滑轨上的 T型轴承、 滑杆、 弹簧压板和压縮弹簧， 所述弹簧压板固定在支撑滑轨的端部， 其中一个滚筒的轴头安装在 τ型轴承中， 所述滑杆的一端固定在所述 τ型轴承上并位于两个支撑滑轨之间， 另一端套于压 縮弹簧内后固定在弹簧压板上， 所述 T型轴承支撑其中一个滚筒使其在物料挤压 下向外移动， 并在物料排出后向内移动实现滚筒紧贴状态。
10、 根据权利要求 9所述的排料装置， 其特征在于： 在所述内侧板上对应于 所述滚筒、 辅助进料滚筒的位置开有内孔， 所述的内孔的直径大于相对应的滚筒 的直径， 所述滚筒、 辅助进料滚筒的端部分别穿过内孔； 所述外侧板上对应于所 述滚筒、 辅助进料滚筒轴头的位置开有外孔， 所述滚筒、 辅助进料滚筒的轴头穿 过该外孔并在二者之间安装有用于防止粉尘外泄的密封圈， 所述滚筒、 辅助进料 滚筒的轴头安装在位于机壳外的轴承上。
11、 根据权利要求 8所述的排料装置， 其特征在于： 在滚筒的两端分别安装 法兰， 所述法兰的直径小于包胶的直径， 所述法兰的厚度为 2-50mm。
12、 根据权利要求 11所述的排料装置， 其特征在于： 在所述每个内侧板的内 面上增设一块胶板， 所述胶板靠近滚筒、 辅助进料滚筒的上面设置， 所述胶板的 厚度为 2-50mm。
13、 根据权利要求 12所述的排料装置， 其特征在于： 所述相分隔的内侧板和 外侧板之间的间隙为 3-100mm。
14、 根据权利要求 13所述的排料装置， 其特征在于： 在所述机壳上设有透明 观察窗， 所述透明观察窗为一对且相对设置， 所述观察窗对应于所述软质胶板设 置。
15、 根据权利要求 5所述的排料装置， 其特征在于： 所述驱动机构包括电机、 减速机及传动机构， 所述电机连接减速机， 其中一个滚筒的轴头与减速机的动力 输出端相连以驱动该滚筒转动， 并通过传动机构带动另一滚筒、 所述辅助进料滚 筒转动。
16、 根据权利要求 15所述的排料装置， 其特征在于： 所述传动机构采用齿轮 传动机构。
17、 根据权利要求 16所述的排料装置， 其特征在于： 所述齿轮传动机构包括 安装在所述滚筒、 辅助进料滚筒的同一侧轴头上的齿轮， 其中， 分别安装在滚筒 上的齿轮为主齿轮， 该对主齿轮相互啮合， 所述主齿轮驱动滚筒反向向内转动， 分别安装在辅助进料滚筒上的齿轮为辅助齿轮， 所述齿轮与其相对应的辅助齿轮 相啮合以驱动辅助齿轮从而带动辅助进料滚筒反向向外转动。
18、 根据权利要求 17所述的排料装置， 其特征在于： 所述一对主齿轮的中心 距小于或者等于一对滚筒的中心距， 所述辅助齿轮与主齿轮的中心距小于或者等 于辅助进料滚筒和滚筒的中心距。
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