WO2021134150A1 - 一种带有往复式运动的栅条构件的槽体式过滤装置 - Google Patents

一种带有往复式运动的栅条构件的槽体式过滤装置 Download PDF

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Publication number
WO2021134150A1
WO2021134150A1 PCT/CN2019/129713 CN2019129713W WO2021134150A1 WO 2021134150 A1 WO2021134150 A1 WO 2021134150A1 CN 2019129713 W CN2019129713 W CN 2019129713W WO 2021134150 A1 WO2021134150 A1 WO 2021134150A1
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grid
tank
movable
group
rolling
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PCT/CN2019/129713
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English (en)
French (fr)
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黄胜驰
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福建云康智能科技有限公司
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Priority to PCT/CN2019/129713 priority Critical patent/WO2021134150A1/zh
Publication of WO2021134150A1 publication Critical patent/WO2021134150A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/02—Combinations of filters of different kinds

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  • the invention belongs to the technical field of solid-liquid separation equipment, and in particular relates to a trough-type filter device with a reciprocating grid member.
  • Solid-liquid separation equipment is mainly used in sewage treatment plants, chemical plants, laboratories, starch separation, mud treatment and so on.
  • the solid-liquid separation equipment is divided into sand settling machine, grid machine, thickening machine, dehydrating machine, etc. according to the properties of the processed materials and the different purposes to be processed.
  • Solid-liquid separation equipment covers a wide range of fields, and choosing the right equipment will do more with less.
  • mud treatment due to the large processing capacity, high solid content, and the relatively large proportion of the solid slag of the mud, which is easy to settle and separate, so you can use solid-liquid separation equipment such as sand settling machine, plate and frame dehydrator.
  • solid-liquid separation equipment such as sand settling machine, plate and frame dehydrator.
  • a combination of multiple solid-liquid separation processes can be used. First, the sedimentation device is used to separate the heavy and easy-to-settling silt, and then the grid machine is used to remove the particles in the water body. The larger floating matter, the suspended matter remaining in the water body is then dosing and flocculating, and the thickening and dehydrating machine is used for further pressure filtration and dehydration.
  • Japanese patents JP2005-118662A and JP2004-888A disclose a solid-liquid separation device, which is mainly used for the concentration of flocculated sludge.
  • the filter channel is mainly a platform formed by a reciprocating grid member. Poor efficiency and poor effect, but also consider the problem of material overflow when the feeding speed is greater than the filtering speed.
  • a pressure plate is used in the middle position above the platform to further reduce the moisture content of the solid slag.
  • the grid is not suitable for pushing materials under resistance and the pressure plate is easy to stick to the material, it will cause the solid slag to pass through. Obstacles.
  • the technical problem to be solved by the present invention is to provide a trough-type filter device with a reciprocating grid member with good filtering effect.
  • the present invention is realized as follows:
  • a tank-type filter device with a reciprocating grid member comprising: a filtrate tank and a tank-type filter body;
  • the filtrate tank is used to receive the filtrate filtered from the tank-type filter body
  • the tank-type filter body includes: a starting end wall, a bottom, a side wall, and a rear wall;
  • the starting end wall and the bottom are integrally formed with grid members
  • the grid member is formed by stacking two or more grid bars; each adjacent grid bar of the same group is separated by a gasket, and the thickness of the gasket is greater than the thickness of the grid bar.
  • the thickness of the other group of grid bars thereby forming a filter gap; among them, at least one group of grid bars are movable grid bars, and relative displacement is generated relative to the other group of grid bars to ensure that each group of movable grid bars performs reciprocating circular motion;
  • Two or more series connection holes are provided on each group of the movable grids at the front and rear balanced positions; each group of the movable grids is connected by a series connection rod pierced in the series connection holes A movable body; each of the movable bodies, through a driving device, guides and drives all the movable fences of the group to produce a reciprocating circular motion with the same motion track;
  • the side walls include at least one set of side plates, which are formed by extending upwards from the bars on the left and right sides;
  • the reciprocating circular motion of the movable grid ensures the unobstructedness of the filter slit, and allows the filtrate to be discharged from the filter slit into the filtrate tank as much as possible.
  • the starting end wall, the bottom and the rear wall are integrally formed with grid members
  • the height of the rear wall is lower than the height of the starting end wall and the side wall;
  • the filtrate is discharged from the filter slot into the filtrate tank, and the material with more solid content remaining in the tank-type filter body overflows through the upper edge of the end wall Partially discharged.
  • the length of the bottom is greater than the width of the side wall
  • the rear wall is a flow limiting baffle, and there is a gap between the flow limiting baffle and the bottom;
  • the beginning end wall, the side wall, and the current limiting baffle enclose a tank body, and the bottom extends out of the tank body;
  • the reciprocating circular motion of the movable grid ensures the smoothness of the filter slit, and allows the filtrate to be discharged from the filter slit into the filtrate tank as much as possible, while remaining in the filtrate tank.
  • the material with more solid content in the tank type filter passes through the gap and continues to be transported toward the end of the bottom. Before reaching the end of the bottom, the material is further filtered, and the final material is discharged from the end of the bottom. ;
  • the movable fence makes upward, forward, downward, backward, and upward reciprocating circular motions, wherein forward refers to the direction opposite to the starting end wall, and backward refers to the direction of the starting end wall to ensure The material passes through the gap, and then continues to be filtered on the bottom and transported to the end of the bottom to be discharged.
  • the side wall includes two sets of side plates, which are formed by two sets of bars on the left and right sides extending upward;
  • At least one group of the side plates is driven by a corresponding group of the movable grids to make a reciprocating circular motion, and the two side plates on the same side are close to each other and produce relative displacement;
  • Each of the side plates is provided with a filter channel, and the relative displacement of the side plates on the same side close to each other keeps the filter channel unobstructed.
  • the driving device includes: a group of driving central shafts, a group of guide bars, and a group of driving mechanisms;
  • the set of driving center shafts includes at least two driving center shafts
  • the set of guide bars includes at least two guide bars, which are located at the left and right balanced positions of the bar members; each of the guide bars is provided with at least two eccentric devices, which are located in the The front and rear balanced positions of the grid member, the eccentric device corresponding to the left and right on the set of guide grids is provided with one drive central axis; each guide grid is provided with at least two The fixed hole is in the same position as the series connection hole on the movable grid; the fixed hole on the guide grid and the series connection hole of the movable grid are fixedly connected in series through the same series connection rod; The eccentric direction of the eccentric device on the guide grid connected to the group of movable grids is the same, and the eccentric axis distance is the same; the eccentric direction of the eccentric device on the guide grid connected to the different groups of movable grids is opposite, and the eccentric axis distance Consistent
  • the set of drive mechanisms includes a drive motor and a transmission mechanism, or a plurality of drive motors; the set of drive mechanisms drive the set of drive central shafts to achieve the same steering and rotational speed;
  • the set of drive mechanisms drive the set of drive central shafts to move synchronously, respectively drive the guide grids sleeved thereon to move, and the guide grids drive the same set of movable grids connected to it to do the same The reciprocating circular motion of the trajectory.
  • the number of the current limiting baffles is at least two;
  • Two sides of at least two of the current limiting baffles are respectively fixedly connected with different groups of the side plates.
  • each of the restricting baffles is movably connected to a movable plate inclined toward the inside of the trough-type filter through a plurality of hinges;
  • a rolling device is also provided above the grid between the current limiting baffle and the bottom end;
  • the rolling device makes a reciprocating circular motion driven by a rolling driving device.
  • the rolling drive device includes: a set of rolling drive central shafts, at least one rolling guide plate, and at least two gear diverters;
  • the set of rolling drive central shafts includes at least two rolling drive central shafts; the set of rolling drive central shafts are fixed by at least one fixing device;
  • the rolling guide plate is provided with at least two eccentric devices, and each of the eccentric devices is provided with a rolling drive center shaft;
  • each gear steering gear passes through the rolling drive central shaft, and the second output end passes through the drive central shaft;
  • the drive central shaft drives the rolling drive central shaft to rotate through the gear steering, the rolling drive central shaft drives the rolling guide plate to move through the first eccentric device, and the rolling guide
  • the moving direction of the moving plate is at a certain angle with the moving direction of the platform, so that the rolling guide plate drives the rolling device to perform a rolling action on the material.
  • a filter device with a reciprocating grid member comprising: a filter platform composed of a grid member, and a rolling device arranged above the filter platform; the grid member is composed of two or two groups The above grid bars are laminated and laid; each adjacent grid bar of the same group is separated by a gasket, and the thickness of the gasket is greater than the thickness of the other group of grid bars, thereby forming a filter Seam; Among them, at least one set of grids are movable grids, relative to another group of grids, produce a relative displacement to ensure that each group of movable grids do reciprocating circular motion; each group of movable grids on the front and back balance There are two or more series connection holes at the position; each group of the movable grids is connected to form a movable body through the series connection rods pierced in the series connection holes; each of the movable bodies, A driving device is used to guide and drive all the movable grids of the group to produce a reciprocating circular motion of the same motion track; the rolling
  • the bottom slag discharge method is simple in structure and strong in stability.
  • Fig. 1 is a schematic diagram of the overall structure of the first embodiment of the present invention.
  • Fig. 2 is a top view of the overall structure of the first embodiment of the present invention.
  • Fig. 3 is an exploded schematic diagram of the overall structure of the first embodiment of the present invention.
  • Fig. 4 is a schematic structural diagram of a tank-type filter in the first embodiment of the present invention.
  • Fig. 5 is an exploded schematic view of the structure of the tank-type filter in the first embodiment of the present invention.
  • Fig. 6 is a schematic diagram of the overall structure of the second embodiment of the present invention.
  • Fig. 7 is a top view of the overall structure of the second embodiment of the present invention.
  • Fig. 8 is an exploded schematic diagram of the overall structure of the second embodiment of the present invention.
  • Fig. 9 is a schematic structural diagram of a tank-type filter body (with the rear wall removed) in the second embodiment of the present invention.
  • Fig. 10 is an exploded schematic view of the structure of the tank-type filter body (with the rear wall removed) in the second embodiment of the present invention.
  • Fig. 11 is a schematic diagram of the positional relationship between the drive central shaft and the rolling drive central shaft in the second embodiment of the present invention.
  • the filtering device of this embodiment is suitable for materials with strong fluidity, such as pre-concentration between the flocculation mixing process and the dehydrator process.
  • a tank-type filter device with a reciprocating grid member includes: a filtrate tank 1 and a tank-type filter body 2 arranged in the filtrate tank 1.
  • the trough-type filter body 2 includes a starting end wall 21, a bottom 22, a side wall 23 and a rear wall 24.
  • the starting end wall 21, the bottom 22, and the rear wall 24 are integrally formed of grid members.
  • the grid member is made up of two groups of AB grids A31 and B31 stacked alternately. Each adjacent grid of the same group of grids is separated by a spacer 32, and the thickness of the gasket 32 is greater than that of another group of grids, thereby forming a filter gap.
  • the AB groups of grids are all movable grids, and relative displacement occurs between them when they are in motion, ensuring that each group of movable grids make reciprocating circular motion.
  • Each group of movable grids is connected to form a movable body through the series connection rod 34 pierced in the series connection hole 33; each movable body, A driving device guides and drives all the movable grids of the group to produce a reciprocating circular motion with the same motion track.
  • the driving device includes: a set of driving central shafts, a set of guide bars, and a set of driving mechanisms;
  • the set of driving center shafts includes two driving center shafts 41.
  • the group of guide bars includes four guide bars 42, which are located at the left and right balanced positions of the bar member; wherein, the two guide bars A42 located in the left and right balance are fixedly connected to the group A movable bars A31 , The other two guide bars B42 in the left and right balance are fixedly connected with the group B movable bars B31.
  • Two eccentric devices A43 are provided on the two guide bars A42, which are located at the front and rear balanced positions of the bar members; two eccentric devices B43 are provided on the two guide bars B42, which are located at the front and rear balance of the bar members.
  • Each guide bar 42 is provided with three fixed holes 421, which are consistent with the positions of the series connection holes 33 on the same group of movable bars; the fixed holes 421 on each guide bar 42 are the same as those of the same group of movable bars.
  • the series connection holes 33 are fixed in series through the same series connection rod 34.
  • each eccentric device A43 connected with the movable grid bar of group A is the same, and the eccentric wheelbase is the same;
  • the eccentric direction of each eccentric device B43 connected with the movable grid bar of group B is the same, and the eccentric wheelbase is the same;
  • the eccentric direction of A43 and eccentric device B43 is opposite, and the eccentric wheelbase is the same.
  • a group of driving mechanisms includes a driving motor 51 and a gear transmission mechanism 52; the driving motor 51 drives a group of driving central shafts 41 through the gear transmission mechanism 52 to achieve the same steering and rotational speed.
  • the gear transmission mechanism 52 can also be replaced by other transmission mechanisms, such as a sprocket transmission mechanism, a rectangular frame transmission mechanism (see the second embodiment for details), and the like.
  • the gear transmission mechanism 52 in this embodiment has three gears that mesh in sequence.
  • One of the gears is a driving gear and the other two are driven gears.
  • the driving gear is driven by the driving motor 51.
  • the two non-adjacent gears on both sides are gears that drive the drive central shaft, and the two gears that drive the drive central shaft have exactly the same shape.
  • a group of driving mechanisms may also be: a plurality of driving motors are provided, and each driving motor drives a driving central shaft separately.
  • a group of driving mechanisms drives a group of driving central shafts 41 to move synchronously, respectively driving the guide bars 42 sleeved on them to move, and the guide bars 42 drive the same group of movable bars connected to it to make the same reciprocating trajectory. Circular motion. Since the eccentricity of the eccentric device A43 and the eccentric device B43 are opposite, and the eccentric axle distance is the same, the AB groups of movable grids produce relative displacement and perform staggered movement.
  • the two A-group movable grids A31 located at the outermost side extend upward to form side plates A231, and the two B-group movable grids B31 that are respectively adjacent to the two A group movable grids A31 extend upward to form side plates. B231.
  • the two side plates B231 located on the inner side are provided with a plurality of horizontal filter channels B232, and the two side plates A231 located on the outer side are provided with a plurality of vertical filter channels A232.
  • the two side plates B231 and the two side plates A231 form the two side walls 23 of the trough-type filter body 2.
  • the two side walls 23 not only have a filtering function, but also have the function of scraping each other, so that the filtering channels on the two side walls 23 remain unobstructed.
  • the height of the rear wall 24 is lower than the height of the starting end wall 21 and the side wall 23, and bends and extends outward to become a channel for material overflow.
  • the filter device of this embodiment is suitable for materials of fluid nature. Therefore, the tank-type filter body 2 is also provided with a stirring device 5 to stir the materials.
  • Both the filtrate tank 1 and the tank-type filter body 2 of this embodiment are equipped with a level gauge 9 to control the discharge of the feed and the filtrate.
  • the length of the movable fence 31 is relatively long, so it is feasible that each movable fence 31 needs to be fixed and spliced by multiple sections. This method is also applicable to the guide grid 42.
  • the material After the material enters the tank-type filter body 2, it passes through the reciprocating circular movement of the two groups of movable grids A and B to ensure the smoothness of the filter slit, and let the filtrate drain from the filter slit to the filtrate tank 1 as much as possible, and the remaining material is removed from the filtrate tank 1.
  • the upper edge of the rear wall 24 overflows outward.
  • This embodiment is suitable for materials with strong sedimentation properties, such as sand removal and slag removal processes.
  • a tank-type filter device with a reciprocating grid member includes: a filtrate tank 1 and a tank-type filter body 2 arranged in the filtrate tank 1.
  • the trough-type filter body 2 includes a starting end wall 21, a bottom 22, a side wall 23, and a rear wall.
  • the difference from the first embodiment is that the starting end wall 21 and the bottom 22 are integrally formed with grid members.
  • the length of the bottom 22 is greater than the width of the side wall 23.
  • the rear wall is a flow limiting baffle 25, and there is a gap 3 between the flow limiting baffle 25 and the bottom 22; the beginning end wall 21, the side wall 23, and the flow limiting baffle 25 enclose a trough body, and the bottom 22 extends out of the trough body outer.
  • the AB groups of movable bars in this example make upward, forward, downward, backward, and upward reciprocating circular motions, where forward refers to the direction opposite to the starting end wall 21, and backwards It points to the direction of the beginning end wall 21 to ensure that the material is discharged from the gap 3, and then continues to be transported on the bottom 22 to be filtered and discharged to the end of the bottom 22.
  • the material When the material enters the tank-type filter body 2, it passes through the reciprocating circular motion of the two sets of movable grids to ensure the smoothness of the filter slits, as far as possible to let the filtrate drain from the filter slits into the filtrate tank 1, while remaining in the tank-type filter
  • the material with more solid content in the body 2 is discharged from the gap 3, and then continues to be transported on the bottom 22 to the end of the bottom 22 to be discharged.
  • the number of the limiting baffle 25 is two, and two sides of each limiting baffle 25 are respectively fixedly connected with different groups of side plates 231. Therefore, the two current limiting baffles 25 have relative displacements and perform staggered movements. Under the premise of ensuring the unobstructed conveying of solid slag, the maximum flow is restricted.
  • each limiting baffle 25 is movably connected to a movable plate 27 inclined toward the inside of the trough-type filter body 2 through a hinge 26.
  • a hinge 26 When each movable plate 27 moves to the lowest point, it is close to the other group of bars when it moves to the highest point. Since the restricting baffle 25 and the movable plate 27 are connected by a hinge 26, the maximum angle of the hinge 26 is less than 180 degrees. Therefore, the movable plate 27 is inclined toward the tank body, which is better on the one hand. On the other hand, it allows solid slag of an appropriate size to pass through. When the solid slag touches the movable plate 27, the movable plate 27 will be lifted upward under the action of the hinge 26, so as to prevent the movable grid and the current limiting baffle 25 from being damaged by hard contact.
  • a rolling device 6 is also provided above the grid between the flow limiting baffle 25 and the end of the bottom 22 to further dry the solid slag.
  • the rolling device 6 is driven by a rolling drive device to make a reciprocating motion at 90° to the advancing direction of the material, thereby rolling the material on the platform.
  • the movement direction of the rolling device 6 can also be the same direction as the material advancing direction, or at a certain angle.
  • the rolling drive device includes: a set of rolling drive central shaft 71, two rolling guide plates 72, and a set of rolling device drive mechanism 73;
  • a set of rolling drive central shafts 71 includes two rolling drive central shafts 71; the set of rolling drive central shafts 71 are fixed by a fixing device 8; the fixing device 8 is fixed on the tank wall of the filtrate tank 1.
  • the rolling guide plate 72 is provided with at least two eccentric devices 721 thereon, and each first eccentric device 721 is penetrated with a rolling drive central shaft 71.
  • a set of driving mechanism 73 of the rolling device includes four gear steering gears 731, the first output end of the gear steering gear 731 is penetrated by a rolling drive central shaft 71, and the second output end of the gear steering gear 731 is penetrated by a driving central shaft 41.
  • the rolling drive center shaft 71 and the drive center shaft 41 are at 90°.
  • the drive central shaft 41 drives the rolling drive central shaft 71 to rotate through the gear steering 731, and the rolling drive central shaft 71 drives the rolling guide plate 72 to move through the eccentric device 721.
  • the movement direction of the rolling guide plate 72 and the movement of the platform The direction is 90°, a rolling module 721 is fixedly connected to the two rolling guide plates 72, and the rolling module 721 is driven by the rolling guide plate 72 to roll the material on the platform.
  • the rolling guide plates 72 can be arranged in multiple groups, and the rolling modules 721 on each group of rolling guide plates can be arranged at intervals.
  • the power of the two rolling drive central shafts 71 is transmitted by the two drive central shafts 41 through four gear steering gears 731.
  • the power of the two rolling drive central shafts 71 can also be driven by two additional independent motors, or an independent motor and a transmission mechanism.
  • the two drive central shafts 41 and the two rolling drive central shafts 71 form a rectangular frame, and the driving between the four is completely driven by the gear steering mechanism 731 of the same specification to achieve power transmission, and no other transmission mechanism or Other independent motors are implemented, as shown in Figure 11.
  • the rolling drive central shaft 71 is not used to drive the rolling device 6, and the rectangular frame can also be used as a transmission mechanism (it can be called a "rectangular frame transmission mechanism").
  • the rectangular frame can also be used as a transmission mechanism (it can be called a "rectangular frame transmission mechanism").
  • Both the filtrate tank 1 and the tank-type filter body 2 of this embodiment are equipped with a level gauge 9 to control the discharge of the feed and the filtrate.
  • the material enters the tank-type filter body 2 it passes through the reciprocating circular motion of the two sets of movable grids 31 to ensure the smoothness of the filter slits, and let the filtrate drain from the filter slits to the filtrate 1 tank as much as possible, while remaining in the tank type
  • the material with more solid content in the filter body 2 is discharged from the gap 3, and then continues to be transported on the bottom 22 and rolled and filtered by the rolling device 6 until it reaches the end of the bottom 22 and is discharged.
  • the part outside the tank in the above second embodiment can also be used as a filter device alone, that is, a filter device with a reciprocating grid member, including: a filtering platform composed of a grid member, and a set The rolling device above the filtering platform.
  • the filtering platform in this embodiment is the bottom 22 in the second embodiment. The material on the filtering platform is rolled by the movement of the rolling device, and the filtrate flows out from the gap of the grid member to realize the filtering function.

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  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Sludge (AREA)

Abstract

一种带有往复式运动的栅条构件的槽体式过滤装置，包括：滤液槽(1)、槽体式过滤体(2)；滤液槽(1)，用于承接从槽体式过滤体(2)滤出的滤液；槽体式过滤体(2)包括：始端壁(21)、底部(22)、侧壁(23)、后壁(24)；始端壁(21)、底部(22)为栅条构件一体成型；侧壁(23)，包括至少一组侧板(A231,B231)，由左右两侧的栅条(A42,B31)向上延伸而成；当物料进入所述槽体式过滤体(2)后，通过活动栅条(A31,B31)的往复式圆周运动，确保滤缝的通畅，尽可能地让滤液从滤缝排出到滤液槽(1)内。该过滤装置过滤通道多，过滤效果好，结构简单，稳定性强，适用于格栅、沉沙、污泥预浓缩、脱水、以及滤液的再过滤等多种使用场合。

Description

一种带有往复式运动的栅条构件的槽体式过滤装置 【技术领域】
本发明属于固液分离设备技术领域，具体涉及一种带有往复式运动的栅条构件的槽体式过滤装置。
【背景技术】
固液分离设备主要应用在污水处理厂、化工厂、实验室、淀粉分离、泥浆处理等等。固液分离设备根据所处理的物料的性状和所要处理的目的不同，分为沉沙机、格栅机、浓缩机、脱水机等等。
不同的行业领域对设备的要求不一样。固液分离设备的涉及领域广，选择合适的设备将会事半功倍。例如泥浆处理，由于处理量大，固体含量高，且泥浆固渣比重较大，易于沉降分离，所以可以用沉沙机、板框脱水机等固液分离设备。而针对市政污水处理厂的剩余活性污泥，可以采用多道固液分离的组合工艺，首先用沉沙装置将比重大的，易于沉降的泥沙分离，然后用格栅机去除水体中的颗粒较大的漂浮物，余留在水体中的悬浮物再进行加药絮凝，用浓缩脱水机进行进一步的加压过滤脱水。
日本专利JP2005-118662A、JP2004-888A公开的一种固液分离装置，主要用于絮凝后的污泥的浓缩，其过滤通道主要是往复式运动的栅条构件形成的平台，过滤通道少，过滤效率差、效果差，还要考虑进料速度大于过滤速度时候的物料溢流问题。其平台上方的中间位置使用了加压板，目的是让固渣含水率进一步降低，但由于栅条不适于在有阻力的情况下推进物料以及加压板容易粘住物料，反而造成固渣通过的障碍。
【发明内容】
本发明所要解决的技术问题在于提供一种过滤效果好的带有往复式运动 的栅条构件的槽体式过滤装置。
本发明是这样实现的：
一种带有往复式运动的栅条构件的槽体式过滤装置，包括：滤液槽、槽体式过滤体；
所述滤液槽，用于承接从所述槽体式过滤体滤出的滤液；
所述槽体式过滤体，包括：始端壁、底部、侧壁、后壁；
所述始端壁、底部为栅条构件一体成型；
所述栅条构件由两组或两组以上的栅条相间层叠铺设而成；同组栅条每相邻所述栅条之间均采用垫片隔开，所述垫片的厚度大于所述另一组栅条的厚度，从而形成滤缝；其中，至少有一组栅条为活动栅条，相对于另一组栅条，产生相对位移，确保每一组活动栅条做往复式圆周运动；每一组所述活动栅条上前后平衡的位置设有两处或两处以上的串接孔；每一组所述活动栅条通过所述串接孔内穿设的串接杆而连成一个活动体；每个所述活动体，通过一驱动装置，引导并带动所有该组的活动栅条产生相同运动轨迹的往复式圆周运动；
所述侧壁，包括至少一组侧板，由左右两侧的栅条向上延伸而成；
当物料进入所述槽体式过滤体后，通过所述活动栅条的往复式圆周运动，确保所述滤缝的通畅，尽可能地让滤液从滤缝排出到所述滤液槽内。
进一步地，所述始端壁、底部、后壁为栅条构件一体成型；
所述后壁的高度低于所述始端壁和所述侧壁的高度；
当物料进入所述槽体式过滤体后，滤液从滤缝排出到所述滤液槽内，而余留在所述槽体式过滤体内的固体含量较多的物料溢流过所述末端壁的上沿部分排出。
进一步地，所述底部的长度大于所述侧壁的宽度；
所述后壁为限流挡板，所述限流挡板与所述底部之间具有一空隙；
所述始端壁、所述侧壁、所述限流挡板围成一槽体，所述底部延伸出所述槽体之外；
当物料进入所述槽体式过滤体后，通过所述活动栅条的往复式圆周运动， 确保滤缝的通畅，尽可能地让滤液从滤缝排出到所述滤液槽内，而余留在所述槽体式过滤体内的固体含量较多的物料从所述空隙通过并朝底部的末端继续运输，在到达所述底部的末端前，物料得到进一步的过滤，最终的物料从所述底部的末端排出；
所述活动栅条做向上、向前、向下、向后、向上的往复式圆周运动，其中向前是指向与所述始端壁相反的方向，其中向后是指向所述始端壁方向，保证物料从所述空隙通过，然后继续在所述底部上被过滤并运输到所述底部的末端排出。
进一步地，所述侧壁，包括两组侧板，由两组左右两侧的栅条向上延伸而成；
至少一组所述侧板在相应的一组所述活动栅条的带动下做往复式圆周运动，位于同一侧的两所述侧板相互紧挨并产生相对位移；
每个所述侧板上均设置有过滤通道，所述位于同侧相互紧挨的侧板的相对位移让过滤通道保持通畅。
进一步地，所述驱动装置，包括：一组驱动中心轴、一组导动栅条、一组驱动机构；
所述一组驱动中心轴，包括至少两个驱动中心轴；
所述一组导动栅条，包括至少两个导动栅条，位于所述栅条构件的左右平衡的位置；所述每个导动栅条上均至少设置两个偏心装置，位于所述栅条构件的前后平衡的位置，所述一组导动栅条上左右相对应的所述偏心装置内穿设一个所述驱动中心轴；所述每个导动栅条上均设置至少两个固定孔，与所述活动栅条上的串接孔的位置一致；所述导动栅条上的固定孔与所述活动栅条的串接孔通过同一根串接杆固定串接；与同组活动栅条相连接的导动栅条上的偏心装置的偏心方向一致，偏心轴距一致；与不同组活动栅条相连接的导动栅条上的偏心装置的偏心方向相反，偏心轴距一致；
所述一组驱动机构，包括一个驱动电机和传动机构，或者多个驱动电机；所述一组驱动机构驱动所述一组驱动中心轴实现同一转向和转速；
所述一组驱动机构带动所述一组驱动中心轴同步运动，分别带动套设其 上的所述导动栅条运动，所述导动栅条带动与其相连接的同组活动栅条做相同运动轨迹的往复式圆周运动。
进一步地，所述限流挡板的数量为至少为两个；
至少两个所述限流挡板的两边分别与不同组的所述侧板固定连接。
进一步地，每个所述限流挡板的底部通过多个合页活动连接一向所述槽体式过滤体内部倾斜的活动板；
当所述活动板运动到最低点的时候，与另一组栅条处在最高点时相靠近。
进一步地，所述限流挡板与所述底部末端之间的栅条上方还设有一碾压装置；
所述碾压装置在一碾压驱动装置的驱动下做往复式圆周运动。
进一步地，所述碾压驱动装置，包括：一组碾压驱动中心轴、至少一个碾压导动板、至少两个齿轮转向器；
所述一组碾压驱动中心轴，包括至少两个碾压驱动中心轴；所述一组碾压驱动中心轴通过至少一个固定装置进行固定；
所述碾压导动板，其上至少设有两个偏心装置，所述每个偏心装置内穿设一个所述碾压驱动中心轴；
每个所述齿轮转向器的第一输出端穿设所述碾压驱动中心轴，其第二输出端穿设所述驱动中心轴；
所述驱动中心轴通过所述齿轮转向器驱动所述碾压驱动中心轴转动，所述碾压驱动中心轴通过所述第一偏心装置带动所述碾压导动板运动，所述碾压导动板的运动方向与所述平台的运动方向呈一定角度，使得所述碾压导动板带动所述碾压装置对物料进行碾压动作。
一种带有往复式运动的栅条构件的过滤装置，包括：一栅条构件组成的过滤平台、和设置在所述过滤平台上方的碾压装置；所述栅条构件由两组或两组以上的栅条相间层叠铺设而成；同组栅条每相邻所述栅条之间均采用垫片隔开，所述垫片的厚度大于所述另一组栅条的厚度，从而形成滤缝；其中，至少有一组栅条为活动栅条，相对于另一组栅条，产生相对位移，确保每一组活动栅条做往复式圆周运动；每一组所述活动栅条上前后平衡的位置设有 两处或两处以上的串接孔；每一组所述活动栅条通过所述串接孔内穿设的串接杆而连成一个活动体；每个所述活动体，通过一驱动装置，引导并带动所有该组的活动栅条产生相同运动轨迹的往复式圆周运动；所述碾压装置在一碾压驱动装置的驱动下做往复式圆周运动，对所述过滤平台上的物料进行碾压。
本发明的优点在于：
1.过滤通道多，滤过效果好。
2.底部排渣的方式，结构简单，稳定性强。
3.用电功率小。
4.适用于格栅、沉沙、污泥预浓缩、脱水、以及滤液的再过滤等多种使用场合。
5.由于其广泛的使用范围和突出的性能，能够提高各个处理段的过滤效率和效果，更适用于可移动集成化设备上的使用。
【附图说明】
下面参照附图结合实施例对本发明作进一步的描述。
图1是本发明第一实施例的整体结构示意图。
图2是本发明第一实施例的整体结构俯视图。
图3是本发明第一实施例的整体结构分解示意图。
图4是本发明第一实施例中的槽体式过滤体的结构示意图。
图5是本发明第一实施例中的槽体式过滤体的结构分解示意图。
图6是本发明第二实施例的整体结构示意图。
图7是本发明第二实施例的整体结构俯视图。
图8是本发明第二实施例的整体结构分解示意图。
图9是本发明第二实施例中的槽体式过滤体(去除后壁)的结构示意图。
图10是本发明第二实施例中的槽体式过滤体(去除后壁)的结构分解示意图。
图11是本发明第二实施例中的驱动中心轴和碾压驱动中心轴的位置关系 示意图。
【具体实施方式】
第一实施例：
本实施例的过滤装置适用于流动性较强的物料，如絮凝混合工序与脱水机工序之间的预浓缩。
如图1至图5所示，一种带有往复式运动的栅条构件的槽体式过滤装置，包括：滤液槽1、以及设在滤液槽1内的槽体式过滤体2。
槽体式过滤体2，包括：始端壁21、底部22、侧壁23、后壁24。
始端壁21、底部22、后壁24为栅条构件一体成型。
栅条构件由AB两组栅条A31、B31相间层叠铺设而成。同组栅条每相邻栅条之间均采用垫片32隔开，垫片32的厚度大于另一组栅条的厚度，从而形成滤缝。AB两组栅条均为活动栅条，二者之间在运动时产生相对位移，确保每一组活动栅条做往复式圆周运动。每一组活动栅条上前后平衡的位置设有三处串接孔33；每一组活动栅条通过串接孔33内穿设的串接杆34而连成一个活动体；每个活动体，通过一驱动装置，引导并带动所有该组的活动栅条产生相同运动轨迹的往复式圆周运动。
驱动装置，包括：一组驱动中心轴、一组导动栅条、一组驱动机构；
所述一组驱动中心轴，包括两个驱动中心轴41。
所述一组导动栅条，包括四个导动栅条42，位于栅条构件的左右平衡的位置；其中，位于左右平衡的两个导动栅条A42与A组活动栅条A31固定连接，位于左右平衡的另外两个导动栅条B42与B组活动栅条B31固定连接。两个导动栅条A42上均设置两个偏心装置A43，位于栅条构件的前后平衡的位置；两个导动栅条B42上均设置两个偏心装置B43，位于栅条构件的前后平衡的位置；每个导动栅条42上左右相对应的偏心装置43内穿设一个驱动中心轴41。(本发明中“前”是指向与始端壁21相反的方向，“后”是指向始端壁21方向，“左右”是与“前后”相垂直的方向。)
每个导动栅条42上均设置三个固定孔421，与同组活动栅条上的串接孔 33的位置一致；每个导动栅条42上的固定孔421与同组活动栅条的串接孔33通过同一根串接杆34固定串接。
与A组活动栅条相连接的每个偏心装置A43的偏心方向一致，偏心轴距一致；与B组活动栅条相连接的每个偏心装置B43的偏心方向一致，偏心轴距一致；偏心装置A43与偏心装置B43的的偏心方向相反，偏心轴距一致。
一组驱动机构，包括一个驱动电机51和齿轮传动机构52；驱动电机51通过齿轮传动机构52驱动一组驱动中心轴41实现同一转向和转速。齿轮传动机构52也可以采用其他传动机构代替，例如链轮传动机构、矩形框传动机构(详见第二实施例)等。
本实施例中的齿轮传动机构52具有三个依次啮合的齿轮，其中一个齿轮是主动齿轮，另外两个是从动齿轮，主动齿轮由驱动电机51带动。位于两侧的两个不相邻的齿轮是带动驱动中心轴的齿轮，带动驱动中心轴的两个齿轮形状完全一致。
在具体实践中，一组驱动机构，也可以是：设置多个驱动电机，每个驱动电机分别驱动一个驱动中心轴。
一组驱动机构带动一组驱动中心轴41同步运动，分别带动套设其上的导动栅条42运动，导动栅条42带动与其相连接的同组活动栅条做相同运动轨迹的往复式圆周运动。由于偏心装置A43与偏心装置B43的偏心方向相反，偏心轴距一致，因此，AB两组活动栅条产生相对位移，做交错运动。
本实施例中，位于最外侧的两个A组活动栅条A31向上延伸形成侧板A231，分别与两个A组活动栅条A31紧挨的两个B组活动栅条B31向上延伸形成侧板B231。位于内侧的两个侧板B231上设有多个横向过滤通道B232，位于外侧的两个侧板A231上设有多个竖向过滤通道A232。两个侧板B231和两个侧板A231形成了槽体式过滤体2的两个侧壁23。当两个侧板B231和两个侧板A231交错运动时，两个侧壁23不仅具有过滤功能，还有相互刮擦的功能，使得两侧壁23上的过滤通道保持通畅。
后壁24的高度低于始端壁21和侧壁23的高度，并向外弯折延伸，成为物料溢流的通道。
本实施例的过滤装置适用于流体性质的物料，因此，槽体式过滤体2还设有搅拌装置5，对物料加以搅拌。
本实施施例的滤液槽1和槽体式过滤体2内均设有液位计9，用来控制进料和滤液的排放。
另外，值得一提的是，在大型设备中，活动栅条31的长度是比较长的，那么每一个活动栅条31需要用多段固定拼接而成也是可行的。导动栅条42同样适用该方法。
工作过程：
物料进入槽体式过滤体2后，通过A、B两组活动栅条的往复式圆周运动，确保滤缝的通畅，尽可能地让滤液从滤缝排出到滤液槽1内，余留的物料从后壁24的上沿部向外溢流出。
第二实施例：
本实施例适用于沉降性较强的物料，如除沙、除渣等工艺。
如图6至图10所示，一种带有往复式运动的栅条构件的槽体式过滤装置，包括：滤液槽1、以及设在滤液槽1内的槽体式过滤体2。
槽体式过滤体2，包括：始端壁21、底部22、侧壁23、后壁。
与第一实施例不同的是，始端壁21、底部22为栅条构件一体成型。底部22的长度大于侧壁23的宽度。后壁为限流挡板25，限流挡板25与底部22之间具有一空隙3；始端壁21、侧壁23、限流挡板25围成一槽体，底部22延伸出槽体之外。
本实施例中的栅条构件及驱动装置、以及侧壁的结构均与第一实施例相同，在此不再赘述。
需要说明的是，本实例中的AB两组活动栅条做向上、向前、向下、向后、向上的往复式圆周运动，其中向前是指向与始端壁21相反的方向，其中向后是指向始端壁21方向，保证物料从空隙3排出，然后继续在底部22上被运输进一步过滤到达底部22的末端排出。
当物料进入槽体式过滤体2后，通过两组活动栅条的往复式圆周运动， 确保滤缝的通畅，尽可能地让滤液从滤缝排出到滤液槽1内，而余留在槽体式过滤体2内的固体含量较多的物料从空隙3排出，然后继续在底部22上被运输到底部22的末端排出。
限流挡板25的数量是两个，每个限流挡板25的两边分别与不同组侧板231固定连接。因此，两个限流挡板25具有相对位移，做交错运动。确保输送固渣通畅的前提下，最大程度的限流。
每个限流挡板25的底部通过合页26活动连接一向槽体式过滤体2内部倾斜的活动板27。当每个活动板27运动到最低点的时候，与另一组栅条运动到最高点时相靠近。由于限流挡板25与活动板27之间是通过合页26进行连接，合页26的最大的角度小于180度，因此，活动板27是向槽体内倾斜的状态，一方面起到更好的限流作用，另一方面允许适当大小的固渣通过。当固渣碰触到活动板27时，在合页26的作用下，活动板27会被向上顶起，以免活动栅条与限流挡板25之间产生硬性触碰而损坏。
当物料从槽体内通过空隙3到达槽体外，还需要在底部22上运行到底部22的末端才能排出，进一步将固渣中的水分通过活动格栅条形成的滤缝排出。
本实施例在限流挡板25与底部22末端之间的栅条上方还设有一碾压装置6，使得固渣进一步干化。该碾压装置6通过一碾压驱动装置的驱动而做与物料的推进方向呈90°的往复运动，从而对平台上的物料进行碾压动作。(在具体实践中，碾压装置6的运动方向也可以是和物料推进方向为相同方向，或呈一定角度。)
碾压驱动装置，包括：一组碾压驱动中心轴71、两个碾压导动板72、一组碾压装置驱动机构73；
一组碾压驱动中心轴71，包括两个碾压驱动中心轴71；所述一组碾压驱动中心轴71通过固定装置8进行固定；固定装置8是固定在滤液槽1的槽壁上。
碾压导动板72，其上至少设有两个偏心装置721，每个第一偏心装置721内穿设一个碾压驱动中心轴71。
一组碾压装置驱动机构73，包括四个齿轮转向器731，齿轮转向器731 的第一输出端穿设碾压驱动中心轴71，第二输出端穿设驱动中心轴41。
碾压驱动中心轴71与驱动中心轴41呈90°。
驱动中心轴41通过齿轮转向器731驱动碾压驱动中心轴71转动，碾压驱动中心轴71通过偏心装置721带动碾压导动板72运动，碾压导动板72的运动方向与平台的运动方向呈90°，两个碾压导动板72上固定连接一碾压模块721，碾压模块721在碾压导动板72的带动下对平台上的物料进行碾压动作。
在实践中，碾压导动板72可以是分多组设置，每组碾压导动板上的碾压模块721可以间隔设置多个。
本实施例中，两个碾压驱动中心轴71的动力由两个驱动中心轴41通过四个齿轮转向器731来传递。而在具体实践中，两个碾压驱动中心轴71的动力也可以通过另外设置的两个独立电机来驱动，或者一个独立电机配合一个传动机构来驱动。
本实施例中，两个驱动中心轴41、两个碾压驱动中心轴71呈矩形框架，四者之间的驱动完全靠相同规格的齿轮转向机构731来实现动力的传递，无须其他传动机构或其他独立电机来实现，如图11所示。需要说明的是，如果没有设置碾压装置6，碾压驱动中心轴71不用来驱动碾压装置6，矩形框架也是可以作为一种传动机构的(可以称为“矩形框传动机构”)，用来传动驱动中心轴41，使得同组的两根驱动中心轴41转速和转向一致。
本实施施例的滤液槽1和槽体式过滤体2内均设有液位计9，用来控制进料和滤液的排放。
工作过程：
当物料进入槽体式过滤体2后，通过两组活动栅条31的往复式圆周运动，确保滤缝的通畅，尽可能地让滤液从滤缝排出到滤液1槽内，而余留在槽体式过滤体2内的固体含量较多的物料从空隙3排出，然后继续在底部22上被运输并被碾压装置6进行碾压过滤，直到到达底部22的末端排出。
第三实施例：
上述第二实施例中的位于槽体外的部分也可以单独做为过滤装置，即，一种带有往复式运动的栅条构件的过滤装置，包括：一栅条构件组成的过滤平台、和设置在所述过滤平台上方的碾压装置。本实施例中的过滤平台即为第二实施例中的底部22。通过碾压装置的运动对位于过滤平台上的物料进行碾压，滤液从栅条构件的缝隙中流出，实现过滤功能。
以上所述仅为本发明的较佳实施用例而已，并非用于限定本发明的保护范围。凡在本发明的精神和原则之内，所作的任何修改、等同替换以及改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种带有往复式运动的栅条构件的槽体式过滤装置，其特征在于：包括：滤液槽、槽体式过滤体；
    所述滤液槽，用于承接从所述槽体式过滤体滤出的滤液；
    所述槽体式过滤体，包括：始端壁、底部、侧壁、后壁；
    所述始端壁、底部为栅条构件一体成型；
    所述栅条构件由两组或两组以上的栅条相间层叠铺设而成；同组栅条每相邻所述栅条之间均采用垫片隔开，所述垫片的厚度大于所述另一组栅条的厚度，从而形成滤缝；其中，至少有一组栅条为活动栅条，相对于另一组栅条，产生相对位移，确保每一组活动栅条做往复式圆周运动；每一组所述活动栅条上前后平衡的位置设有两处或两处以上的串接孔；每一组所述活动栅条通过所述串接孔内穿设的串接杆而连成一个活动体；每个所述活动体，通过一驱动装置，引导并带动所有该组的活动栅条产生相同运动轨迹的往复式圆周运动；
    所述侧壁，包括至少一组侧板，由左右两侧的栅条向上延伸而成；
    当物料进入所述槽体式过滤体后，通过所述活动栅条的往复式圆周运动，确保所述滤缝的通畅，尽可能地让滤液从滤缝排出到所述滤液槽内。
  2. 如权利要求1所述的一种带有往复式运动的栅条构件的槽体式过滤装置，其特征在于：
    所述始端壁、底部、后壁为栅条构件一体成型；
    所述后壁的高度低于所述始端壁和所述侧壁的高度；
    当物料进入所述槽体式过滤体后，滤液从滤缝排出到所述滤液槽内，而余留在所述槽体式过滤体内的固体含量较多的物料溢流过所述末端壁的上沿部分排出。
  3. 如权利要求1所述的一种带有往复式运动的栅条构件的槽体式过滤装置，其特征在于：
    所述底部的长度大于所述侧壁的宽度；
    所述后壁为限流挡板，所述限流挡板与所述底部之间具有一空隙；
    所述始端壁、所述侧壁、所述限流挡板围成一槽体，所述底部延伸出所述槽体之外；
    当物料进入所述槽体式过滤体后，通过所述活动栅条的往复式圆周运动，确保滤缝的通畅，尽可能地让滤液从滤缝排出到所述滤液槽内，而余留在所述槽体式过滤体内的固体含量较多的物料从所述空隙通过并朝底部的末端继续运输，在到达所述底部的末端前，物料得到进一步的过滤，最终的物料从所述底部的末端排出；
    所述活动栅条做向上、向前、向下、向后、向上的往复式圆周运动，其中向前是指向与所述始端壁相反的方向，其中向后是指向所述始端壁方向，保证物料从所述空隙通过，然后继续在所述底部上被过滤并运输到所述底部的末端排出。
  4. 如权利要求1所述的一种带有往复式运动的栅条构件的槽体式过滤装置，其特征在于：
    所述侧壁，包括两组侧板，由两组左右两侧的栅条向上延伸而成；
    至少一组所述侧板在相对应的一组所述活动栅条的带动下做往复式圆周运动，位于同一侧的两所述侧板相互紧挨并产生相对位移；
    每个所述侧板上均设置有过滤通道，所述位于同侧相互紧挨的侧板的相对位移让过滤通道保持通畅。
  5. 如权利要求1所述的一种带有往复式运动的栅条构件的槽体式过滤装置，其特征在于：
    所述驱动装置，包括：一组驱动中心轴、一组导动栅条、一组驱动机构；
    所述一组驱动中心轴，包括至少两个驱动中心轴；
    所述一组导动栅条，包括至少两个导动栅条，位于所述栅条构件的左右平衡的位置；所述每个导动栅条上均至少设置两个偏心装置，位于所述栅条构件的前后平衡的位置，所述一组导动栅条上左右相对应的所述偏心装置内穿设一个所述驱动中心轴；所述每个导动栅条上均设置至少两个固定孔，与所述活动栅条上的串接孔的位置一致；所述导动栅条上的固定孔与所述活动 栅条的串接孔通过同一根串接杆固定串接；与同组活动栅条相连接的导动栅条上的偏心装置的偏心方向一致，偏心轴距一致；
    所述一组驱动机构，包括一个驱动电机和传动机构，或者多个驱动电机；所述一组驱动机构驱动所述一组驱动中心轴实现同一转向和转速；
    所述一组驱动机构带动所述一组驱动中心轴同步运动，分别带动套设其上的所述导动栅条运动，所述导动栅条带动与其相连接的同组活动栅条做相同运动轨迹的往复式圆周运动。
  6. 如权利要求4所述的一种带有往复式运动的栅条构件的槽体式过滤装置，其特征在于：所述限流挡板的数量为至少为两个；
    至少两个所述限流挡板的两边分别与不同组的所述侧板固定连接。
  7. 如权利要求6所述的一种带有往复式运动的栅条构件的槽体式过滤装置，其特征在于：
    每个所述限流挡板的底部通过多个合页活动连接一向所述槽体式过滤体内部倾斜的活动板；
    当所述活动板运动到最低点的时候，与另一组栅条处在最高点时相靠近。
  8. 权利要求3所述的一种带有往复式运动的栅条构件的槽体式过滤装置，其特征在于：
    所述限流挡板与所述底部末端之间的栅条上方还设有一碾压装置；
    所述碾压装置在一碾压驱动装置的驱动下做往复式圆周运动。
  9. 权利要求8所述的一种带有往复式运动的栅条构件的槽体式过滤装置，其特征在于：所述碾压驱动装置，包括：一组碾压驱动中心轴、至少一个碾压导动板、至少两个齿轮转向器；
    所述一组碾压驱动中心轴，包括至少两个碾压驱动中心轴；所述一组碾压驱动中心轴通过至少一个固定装置进行固定；
    所述碾压导动板，其上至少设有两个偏心装置，所述每个偏心装置内穿设一个所述碾压驱动中心轴；
    每个所述齿轮转向器的第一输出端穿设所述碾压驱动中心轴，其第二输出端穿设所述驱动中心轴；
    所述驱动中心轴通过所述齿轮转向器驱动所述碾压驱动中心轴转动，所述碾压驱动中心轴通过所述第一偏心装置带动所述碾压导动板运动，所述碾压导动板的运动方向与所述平台的运动方向呈一定角度，使得所述碾压导动板带动所述碾压装置对物料进行碾压动作。
  10. 一种带有往复式运动的栅条构件的过滤装置，其特征在于：包括：一栅条构件组成的过滤平台、和设置在所述过滤平台上方的碾压装置；
    所述栅条构件由两组或两组以上的栅条相间层叠铺设而成；同组栅条每相邻所述栅条之间均采用垫片隔开，所述垫片的厚度大于所述另一组栅条的厚度，从而形成滤缝；其中，至少有一组栅条为活动栅条，相对于另一组栅条，产生相对位移，确保每一组活动栅条做往复式圆周运动；每一组所述活动栅条上前后平衡的位置设有两处或两处以上的串接孔；每一组所述活动栅条通过所述串接孔内穿设的串接杆而连成一个活动体；每个所述活动体，通过一驱动装置，引导并带动所有该组的活动栅条产生相同运动轨迹的往复式圆周运动；
    所述碾压装置在一碾压驱动装置的驱动下做往复式圆周运动，对所述过滤平台上的物料进行碾压。
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