WO2018232811A1 - 一种设有降低过滤机框架压力波动的装置及压力过滤机 - Google Patents

一种设有降低过滤机框架压力波动的装置及压力过滤机 Download PDF

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WO2018232811A1
WO2018232811A1 PCT/CN2017/094057 CN2017094057W WO2018232811A1 WO 2018232811 A1 WO2018232811 A1 WO 2018232811A1 CN 2017094057 W CN2017094057 W CN 2017094057W WO 2018232811 A1 WO2018232811 A1 WO 2018232811A1
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pressure filter
filter frame
cylinder
buffer plate
pressure
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PCT/CN2017/094057
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English (en)
French (fr)
Inventor
赵旭
孙中心
张万尧
翟向楠
张国海
郭雨
冯小朋
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天华化工机械及自动化研究设计院有限公司
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Priority to ES17914309T priority Critical patent/ES2908610T3/es
Priority to JP2019553610A priority patent/JP6746803B2/ja
Priority to EA201991149A priority patent/EA201991149A1/ru
Priority to EP17914309.4A priority patent/EP3517194B1/en
Priority to US16/330,702 priority patent/US11202979B2/en
Publication of WO2018232811A1 publication Critical patent/WO2018232811A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
    • B01D33/722—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding containing fixed liquid displacement elements or cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/043—Filter tubes connected to plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/20—Pressure-related systems for filters

Definitions

  • the invention relates to a CTA (crude terephthalic acid) pressure filter, which is one of the core components of an integrated filtration, washing and drying device, and the structure can also be used for the structure of a continuous pressure filter frame of other industries.
  • CTA crude terephthalic acid
  • the CTA (crude terephthalic acid) pressure filter frame is the core component of the pressure filter.
  • the pressure filter frame causes an impact.
  • the slurry enters the filter chamber of the drum the pressure in the feed zone is instantaneously removed. Since the filter press is continuously operated, the position of the feed zone of the frame is subjected to continuous pressure fluctuations. Therefore, due to the fatigue stress, there is a large pressure fluctuation when the pressure filter is fed due to the material characteristics in the actual application process of the pressure filter. For this problem, Tianhua Chemical Machinery and Automation Research and Design Institute Co., Ltd. successfully developed a new frame structure. To eliminate pressure fluctuations.
  • the technical problem to be solved by the present invention is to provide a device for reducing the pressure fluctuation of the filter frame, which can effectively reduce the pressure fluctuation of the slurry against the pressure filter frame and improve the service life of the pressure filter frame.
  • the invention discloses a device provided with reducing pressure fluctuation of a filter frame, comprising a pressure filter frame, wherein the pressure filter frame is a cylindrical casing, characterized in that the inner wall of the pressure filter frame is further provided with a buffer plate having a plurality of openings in the buffer plate, a gap left between the buffer plate and the inner wall of the pressure filter frame, and a plurality of gaps between the inner wall of the pressure filter frame and the buffer plate
  • the support column fixedly connects the inner wall of the pressure filter frame and the buffer plate.
  • the pressure filter frame further includes a support plate and a cylinder, the cylinder body is provided with a feeding port and a discharge port, and the outer wall of the cylinder is covered with a support plate, the support plate and the tube External wall welded joints.
  • a buffer plate is disposed on the inner wall of the cylinder, and the buffer plate is adjacent to a feeding zone where the feed port is located.
  • a plurality of flange seats are provided spaced apart in the circumferential direction of the cylinder, and the baffle plates are disposed in a space between the flange seats in the feed zone.
  • both ends of the cylinder are provided with end flanges, and the end flanges weldably connect the cylinder and the support plate.
  • the support column is welded between the inner wall of the cylinder and the buffer plate.
  • the ends of the cylinder are filled with a packing seal.
  • the length or width of the baffle plate and the number and shape of the openings may be different depending on the position of the buffer plate in the feeding zone.
  • the shape of the buffer plate is any one of a fence shape, a grid shape, and a long plate type, or any combination thereof.
  • the present invention also discloses a pressure filter comprising means for reducing pressure fluctuations in the pressure filter frame.
  • the pressure fluctuation of the slurry on the pressure filter frame will be offset by the buffer plate first, so that the pressure fluctuation transmitted to the frame will be much reduced, and the service life of the frame will be greatly extended.
  • Figure 1 is a schematic view of the frame of the inventive pressure filter.
  • Fig. 2 is a cross-sectional view taken along line A-A of Fig. 1;
  • Figure 3 is a B-direction view of Figure 2 .
  • Fig. 4 is a view taken along line C of Fig. 2;
  • Fig. 5 is a view taken in the direction of arrow D of Fig. 2;
  • Figure 6 is a partial schematic view of Figure 2.
  • the invention discloses a device for reducing pressure fluctuation of a pressure filter frame, the pressure filter comprising a pressure filter frame, the pressure filter frame further comprising a support plate 2 and a cylinder 5, and the cylinder 5 is provided with a feed inlet 51.
  • the discharge port, the outer wall of the cylinder 5 is covered with a support plate 2, and the support plate 2 is weldedly connected with the outer wall of the cylinder 5.
  • the end flange I 1 and the end flange are respectively installed at the two ends of the cylinder 5 II 3, the end flange I 1 and the end flange II 3 are welded and connected to the cylinder 5, and then welded to the support plate 2, and the support plate 2 strengthens the strength of the entire frame.
  • a plurality of flange seats are disposed along the circumferential direction of the cylinder 5 , and a buffer plate 6 is disposed on the inner wall of the cylinder 5 .
  • the ends of the cylinder 5 are sealed by the packing, and the partition block is assembled at the flange seat of the frame to isolate the entire frame from the annular space formed by the drum 11 into the feeding area A1, washing Zone A2, blanking zone A3, buffer plate 6 is disposed in the feed zone A1, feed port 51 is located in the feed zone, and discharge port 53 is located in the draw zone A3.
  • the baffle plate 6 is disposed in a space between the flange seats in the feed zone A1. Referring to FIG. 6, a gap is left between the buffer plate 6 and the cylinder 5. A support column supporting the buffer plate 6 is disposed at a gap between the inner wall of the cylinder 5 and the buffer plate 6, and the support columns are respectively welded to the inner wall of the cylinder 5. On the buffer plate 6, the inner wall of the pressure filter frame and the baffle plate 6 are fixedly connected.
  • the shape of the baffle plate 6 is any one or any combination of a fence shape, a grid shape, and a long plate shape.
  • the length or width of the baffle plate and the number and shape of the openings may vary.
  • the B direction, the C direction, and the D direction are all along the radial direction of the cylinder 5, and the B direction is viewed from the B view.
  • the buffer plate 6 has a fence shape.
  • a row of spaced apart openings (for example, a circular hole 61) is defined in the center of the baffle plate 6 and a concave opening (for example, a semi-circular hole 62) is provided at the edge of the baffle plate 6, and the C-direction view is a long plate shape.
  • a plurality of rows of circular holes are arranged along the length direction.
  • the baffle plate 6 is in the shape of a fence, and the edge of the baffle plate 6 is provided with a concave opening and is semicircular.
  • the present invention also discloses a pressure filter provided with means for reducing pressure fluctuations in the pressure filter frame.
  • the pressure filter device when the pressure filter device is started, the pressure is relatively large due to the slurry entering the feed zone, which may cause an impact on the frame.
  • the slurry enters the filter cavity 10 of the drum 11, the pressure in the feed zone It is instantaneously removed. Since the filter press is continuously operated, the position of the feed zone of the frame is subjected to continuous pressure fluctuations and thus subjected to fatigue stress.
  • the invention adopts the installation of the buffer plate 6 on the outer wall of the cylinder 5, and the slurry first enters the gap space from the opening of the buffer plate 6 to the frame. In this way, the pressure fluctuation of the slurry on the frame will be partially offset by the buffer plate 6, and the pressure fluctuation transmitted to the frame will be greatly reduced, and the service life of the frame will be greatly extended.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Control Of Fluid Pressure (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Abstract

一种设有降低压力过滤机框架压力波动的装置及压力过滤机。该装置包括压力过滤机框架，该压力过滤机框架为筒状壳体，在压力过滤机框架的内壁上还设有缓冲板（6），在缓冲板（6）上设有多个开孔（61），缓冲板（6）与压力过滤机框架内壁之间留有间隙，间隙处设置有多个支撑柱，支撑柱将压力过滤机框架内壁和缓冲板（6）固定连接。

Description

一种设有降低过滤机框架压力波动的装置及压力过滤机 技术领域
本发明涉及CTA(粗对苯二甲酸)压力过滤机，是集过滤、洗涤、干燥一体化设备的核心部件之一，该结构也可用于其它行业的连续式压力过滤机框架的结构。
背景技术
CTA(粗对苯二甲酸)压力过滤机框架是压力过滤机的核心部件之，设备运转时，浆料由泵从进料区打入，由于浆料进入进料区时压力比较大，会对压力过滤机框架造成冲击，当浆料进入转鼓的过滤腔后，进料区的压力瞬间被卸掉，由于压滤机是连续运转，这样框架的进料区位置就受到连续的压力波动，从而受到疲劳应力，在压力过滤机实际应用过程由于物料特性导致压力过滤机进料时存在较大压力波动，针对此问题，天华化工机械及自动化研究设计院有限公司成功开发了新的框架结构来消除压力波动。
发明内容
本发明所要解决的的技术问题是提供一种设有降低过滤机框架压力波动的装置，该装置能够有效降低浆料对压力过滤机框架的压力波动，提高压力过滤机框架的使用寿命的目的。
本发明的目的是这样实现的：
本发明公开了一种设有降低过滤机框架压力波动的装置，包括压力过滤机框架，所述压力过滤机框架为筒状壳体，其特征在于，在压力过滤机框架的内壁上还设有缓冲板，在所述缓冲板上设有多个开孔，所述缓冲板与压力过滤机框架内壁之间留有的间隙，压力过滤机框架内壁与缓冲板之间的间隙处设置有多个的支撑柱，所述支撑柱将所述压力过滤机框架内壁、缓冲板固定连接。
进一步地，所述压力过滤机框架进一步包括支撑板及筒体，所述筒体上设有进料口、出料口，所述筒体外壁覆盖有支撑板，所述支撑板与所述筒体外壁焊接连接。
进一步地，缓冲板设置于所述筒体内壁上，且所述缓冲板靠近所述进料口所在的进料区。
进一步地，沿筒体的周向方向间隔设有多个法兰座，所述缓冲板设置在进料区内的法兰座之间的间隔区域内。
进一步地，所述筒体的两端设有端法兰，所述端法兰将所述筒体和所述支撑板焊接连接。
进一步地，所述支撑柱焊接在筒体内壁和缓冲板之间。
进一步地，所述筒体两端填入填料密封。
进一步地，根据所述缓冲板位于所述进料区的位置不同，缓冲板的长度或宽度以及开孔的数量及形状会有区别。
进一步地，所述缓冲板外形为栅栏形、栅格形、长板型的任意之一种或者任意组合。
本发明还公开一种压力过滤机，包括设有降低压力过滤机框架压力波动的装置。
本发明相较于现有技术所能达到的功效在于：
浆料对压力过滤机框架的压力波动会先由缓冲板来抵消一部分，这样传递到框架的压力波动会减少很多，框架的使用寿命将大大延长。
附图说明
图1为发明压力过滤机框架示意图。
图2为图1的A-A向剖视图。
图3为图2的B向视图。
图4为图2的C向视图。
图5为图2的D向视图。
图6为图2的局部示意图。
其中，1端法兰I；2支撑板；3端法兰II；4法兰座I；5筒体；51进料口；52出料口；6缓冲板；61圆孔；62半圆孔；7法兰座II；9法兰座III；10过滤腔，11转鼓，进料区A1，洗涤区A2；下料区A3。
具体实施方式
以下结合图1至图6对本发明进一步讲解。
本发明公开一种设有降低压力过滤机框架压力波动的装置，该压力过滤机包括压力过滤机框架，压力过滤机框架进一步包括支撑板2及筒体5，筒体5上设有进料口51、出料口，筒体5外壁覆盖有支撑板2，支撑板2与筒体5外壁焊接连接，具体来说，在筒体5的两端分别安装了端法兰I 1及端法兰II 3，端法兰I 1及端法兰II 3与筒体5焊接连接后，再与支撑板2焊接为一体，支撑板2对整个框架的强度起到加强的作用。
沿筒体5周向方向间隔设有多个法兰座(例如图2中的法兰座I 4，法兰座II 7、法兰座III9)，在筒体5内壁上设有缓冲板6，转鼓11套入筒体5内后，筒体5两端由填料密封，在框架的法兰座处装配隔离块将整个框架与转鼓11组成的环形空间隔离成进料区A1，洗涤区A2，下料区A3，缓冲板6设置在进料区A1内，进料口51位于进料区内，出料口53位于下料区A3。缓冲板6设在进料区A1内的法兰座之间的间隔区域内。参见图6，缓冲板6与筒体5之间留有间隙，在筒体5内壁与缓冲板6之间的间隙处设置有支撑缓冲板6的支撑柱，支撑柱分别焊接在筒体5内壁、缓冲板6上，将压力过滤机框架内壁和缓冲板6固定连接。
缓冲板6外形为栅栏形、栅格形、长板型的任意之一种或者任意组合。根据缓冲板6位于进料区的位置不同以及法兰座之间的间隔距离不同，缓冲板的长度或宽度以及开孔的数量及形状会有区别。例如，请一并参照图3-图5，在本实施例中，B向、C向、D向均沿着筒体5的径向方向，B向视图看，缓冲板6形状为栅栏形，缓冲板6的中心处开设一排间隔设置的开孔(例如为圆孔61)且在缓冲板6的边缘设有凹形口(例如为半圆孔62)，C向视图看为一长板状，沿着长度方向设有多排间隔设置的圆孔。D向视图看，缓冲板6形状为栅栏形，缓冲板6的边缘设有凹形口，呈半圆状。
本发明还公开一种设有降低压力过滤机框架压力波动的装置的压力过滤机。
现有技术中，压力过滤机设备启动时，由于浆料进入进料区时压力比较大，会对框架造成冲击，当浆料进入转鼓11的过滤腔10后，进料区的压力 瞬间被卸掉，由于压滤机是连续运转，这样框架的进料区位置就受到连续的压力波动，从而受到疲劳应力。本发明采取在筒体5外壁安装缓冲板6，浆料先从缓冲板6的开孔进入到与框架的间隙空间。这样，浆料对框架的压力波动会先由缓冲板6来抵消一部分，传递到框架的压力波动会减少很多，框架的使用寿命将大大延长。

Claims (10)

  1. 一种设有降低压力过滤机框架压力波动的装置，包括压力过滤机框架，所述压力过滤机框架为筒状壳体，其特征在于，在压力过滤机框架的内壁上还设有缓冲板，在所述缓冲板上设有多个开孔，所述缓冲板与压力过滤机框架内壁之间留有间隙，压力过滤机框架内壁与缓冲板之间的间隙处设置有多个的支撑柱，所述支撑柱将所述压力过滤机框架内壁、缓冲板固定连接。
  2. 如权利要求1所述的设有降低压力过滤机框架压力波动的装置，其特征在于，所述压力过滤机框架进一步包括支撑板及筒体，所述筒体上设有进料口、出料口，所述筒体外壁覆盖有支撑板，所述支撑板与所述筒体外壁焊接连接。
  3. 如权利要求2所述的设有降低压力过滤机框架压力波动的装置，其特征在于，所述述缓冲板设置于所述筒体内壁上，且所述缓冲板靠近所述进料口所在的进料区。
  4. 如权利要求3所述的设有降低压力过滤机框架压力波动的装置，其特征在于，沿筒体的周向方向间隔设有多个法兰座，所述缓冲板设置在进料区内的法兰座之间的间隔区域内。
  5. 如权利要求4所述的设有降低压力过滤机框架压力波动的装置，其特征在于，所述筒体的两端设有端法兰，所述端法兰将所述筒体和所述支撑板焊接连接。
  6. 如权利要求2所述的设有降低压力过滤机框架压力波动的装置，其特征在于，所述支撑柱焊接在筒体内壁和缓冲板之间。
  7. 如权利要求3所述的设有降低压力过滤机框架压力波动的装置，其特征在于，所述筒体两端填入填料密封。
  8. 如权利要求3所述的设有降低压力过滤机框架压力波动的装置，其特征在于，根据所述缓冲板位于所述进料区的位置不同，缓冲板的长度或宽度以及开孔的数量及形状会有区别。
  9. 如权利要求8所述的设有降低压力过滤机框架压力波动的装置，其特征在于，所述缓冲板外形为栅栏形、栅格形、长板型的任意之一种或者任意组合。
  10. 一种压力过滤机，包括权利要求1-9任一所述的设有降低压力过滤机框架压力波动的装置。
PCT/CN2017/094057 2017-06-20 2017-07-24 一种设有降低过滤机框架压力波动的装置及压力过滤机 WO2018232811A1 (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES17914309T ES2908610T3 (es) 2017-06-20 2017-07-24 Filtro de presión que comprende de un dispositivo para reducir las fluctuaciones de presión
JP2019553610A JP6746803B2 (ja) 2017-06-20 2017-07-24 加圧濾過機フレームの圧力変動を抑える装置及び加圧濾過機
EA201991149A EA201991149A1 (ru) 2017-06-20 2017-07-24 Устройство для уменьшения колебания давления, воздействующего на раму фильтр-пресса, и фильтр-пресс
EP17914309.4A EP3517194B1 (en) 2017-06-20 2017-07-24 Pressure filter comprising a device for reducing pressure fluctuation
US16/330,702 US11202979B2 (en) 2017-06-20 2017-07-24 Device for reducing pressure fluctuation of pressure filter frame and pressure filter

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US11202979B2 (en) 2021-12-21
JP6746803B2 (ja) 2020-08-26
EP3517194A4 (en) 2020-03-25
EA201991149A1 (ru) 2019-10-31
CN107158780A (zh) 2017-09-15
TW201904644A (zh) 2019-02-01
EP3517194B1 (en) 2022-02-23
ES2908610T3 (es) 2022-05-03
TWI662989B (zh) 2019-06-21
EP3517194A1 (en) 2019-07-31
JP2020501901A (ja) 2020-01-23

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