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WO2023137609A1 - Dispositif de traitement d'eaux usées de traitement d'aliments à haute teneur en graisse - Google Patents

Dispositif de traitement d'eaux usées de traitement d'aliments à haute teneur en graisse Download PDF

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Publication number
WO2023137609A1
WO2023137609A1 PCT/CN2022/072653 CN2022072653W WO2023137609A1 WO 2023137609 A1 WO2023137609 A1 WO 2023137609A1 CN 2022072653 W CN2022072653 W CN 2022072653W WO 2023137609 A1 WO2023137609 A1 WO 2023137609A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter cloth
water
food processing
fixedly arranged
guide plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2022/072653
Other languages
English (en)
Chinese (zh)
Inventor
梅秀芹
毋福海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Institute of Technology
Original Assignee
Guangzhou Institute of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Institute of Technology filed Critical Guangzhou Institute of Technology
Priority to PCT/CN2022/072653 priority Critical patent/WO2023137609A1/fr
Priority to CN202280080911.2A priority patent/CN118510587A/zh
Publication of WO2023137609A1 publication Critical patent/WO2023137609A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B01D33/056—Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts
    • 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
    • B01D33/333—Filters with filtering elements which move during the filtering operation with individual filtering elements moving along a closed path
    • 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
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • 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

Definitions

  • the invention belongs to the field of waste water treatment in food processing, in particular to a high-fat food processing waste water treatment device.
  • the waste water is usually filtered and removed through the filter screen.
  • the impurities will accumulate on the surface of the filter screen.
  • the existing wastewater treatment device has the problems of inconvenient cleaning of the filter structure, easy clogging, and easy damage. Therefore, we propose a high-fat food processing wastewater treatment device.
  • the purpose of the present invention is to provide a high-fat food processing wastewater treatment device, which can effectively solve the problems of inconvenient cleaning, easy clogging and easy damage of the filter structure in the existing wastewater treatment device proposed in the background art.
  • the present invention is a treatment device for high-fat food processing wastewater, comprising a support base, a filter component movable inside the support base, a water guide plate fixed inside the support base, a tensioning component fixedly set above the water guide plate, and a water purification device fixedly set on the water outlet end of the water guide plate.
  • the water guide plate is arranged obliquely.
  • the filter component is used to discharge impurities in the waste water in time, and the water pressure per unit area is low.
  • the miscellaneous filter assembly includes a roller movably arranged inside the support seat, a filter cloth sleeved on the side of the roller ring, a retaining ring fixedly arranged on the edge of the filter cloth, a scraper fixedly arranged on one side of the support seat, and a servo motor fixedly arranged on the side of one of the support seats.
  • the edge of the filter cloth flows out and is used to enhance the tensile resistance of the filter cloth.
  • the servo motor drives one of the rollers to rotate, and the water guide plate is located in the middle of the filter cloth and the inner side of the retaining ring; the waste water enters the filter cloth from a fixed point above one of the rollers, and the servo motor drives the filter cloth through the roller, and the filter cloth drives the waste water to move to the other roller.
  • the tensioning assembly includes two lifting platforms fixed above the water guide plate, tension rollers and squeeze rollers movable inside the two lifting platforms, absorbent cotton fixed on the side of the tension roller ring, and a drive motor fixed on one of the lifting platforms.
  • the tension roller and absorbent cotton are raised and lowered by the lifting platform, so that the filter cloth and the retaining ring are in a proper tension state, and at the same time, it is convenient to adjust the inclination angle of the upper filter cloth and the upper part of the retaining ring, so that the flow rate of the wastewater on the filter cloth can be adjusted during the filter cloth water delivery process.
  • the heights of the two rollers are different, so that the filter cloth is inclined, and the angle between the filter cloth and the horizontal direction is in the range of 5°-10°.
  • the filter cloth is in an inclined state, so that the waste water flows relative to the filter cloth while being driven by the filter cloth, which is convenient to increase the contact surface between the waste water and the filter cloth, thereby improving the filtration efficiency of the waste water.
  • the miscellaneous filter assembly includes a positioning block fixedly arranged on one side of the support seat, a water inlet frame fixedly arranged above the positioning block, the water inlet frame is located directly above the higher roller, and the water outlet end of the water inlet frame is located directly above the filter cloth.
  • the waste water enters above the filter cloth from the water inlet frame, so that the waste water enters the filter cloth conveniently.
  • the scraper is fixedly installed on the side of the positioning block, and the other end of the scraper is in contact with the surface of the filter cloth.
  • the scraper is fixedly installed on the side of the positioning block, so that the gravity time of the impurities under the filter cloth can be delayed, so that the impurities inside the filter cloth can be discharged downward in time under the action of gravity, and the impurities on the filter cloth can be cleaned under the action of the scraper.
  • ring grooves are formed on the ring side of the squeezing roller, and the cross section of the ring grooves is a semicircular structure.
  • the ring groove is convenient for the discharge of waste water, so that the waste water on the absorbent cotton is squeezed clean, and the ring groove of the semicircular structure is convenient for protecting the absorbent cotton to prevent the absorbent cotton from being crushed.
  • the retaining ring is made of rubber material with good elasticity.
  • the retaining ring is made of silicone material, which facilitates the deformation of the retaining ring during rotation.
  • a miscellaneous block is fixedly installed on the inner side of the support base, and the miscellaneous block is arranged obliquely.
  • the lower end of the miscellaneous block is a discharge end, and a miscellaneous block is fixedly installed, and the scraper is located above the miscellaneous block.
  • the miscellaneous block is convenient to collect the impurities discharged from the filter cloth. The collected impurities are discharged from the discharge end of the miscellaneous block and then collected by the miscellaneous block, which is convenient for centralized collection of impurities.
  • the water purification device includes an aerobic tank and an anaerobic tank, the aerobic tank is located directly below the water outlet of the water guide plate, and the anaerobic tank is fixedly arranged at the water outlet of the aerobic tank.
  • the aerobic tank and the anaerobic tank use microorganisms to treat wastewater, which is convenient for the treatment of organic matter in wastewater.
  • the water purification device further includes a water purification tank fixedly arranged at the water outlet of the anaerobic tank, and chemicals for purifying waste water, disinfecting and sterilizing are added to the water purification tank.
  • the water purification pool makes the wastewater treatment more complete by further purifying, disinfecting and sterilizing the wastewater.
  • filter screens are provided between the aerobic pool and the anaerobic pool and between the anaerobic pool and the water purification pool.
  • the filter screen is convenient to avoid the accumulation of impurities in the water purification tank, so that the impurities are evenly distributed in the aerobic tank, anaerobic tank and the water purification tank, which is convenient for subsequent unified cleaning.
  • the present invention filters the waste water through the filter cloth, and the filter cloth moves, so that the pressure of the waste water per unit area of the filter cloth is small, which avoids the problem that the filter cloth is damaged due to excessive force caused by the excessive water pressure of the filter cloth, improves the service life of the filter cloth, and at the same time makes the impurity force small, and it is not easy to enter the inside of the filter cloth when being filtered, and the impurity enters the bottom of the filter cloth during transmission, and can directly fall under the action of gravity. It adheres to the filter cloth, can be removed in time, and can be cleaned, avoiding the problem of impurities accumulating to block the filter holes, facilitating the guarantee of filtration efficiency, and making the overall filtration capacity of the device stable.
  • the present invention lifts the tension roller and absorbent cotton through the lifting platform, so that the filter cloth and the retaining ring are in a proper tension state, and at the same time, it is convenient to adjust the inclination angle of the upper filter cloth and the upper part of the retaining ring, so that during the water delivery process of the filter cloth, the flow rate of the waste water on the filter cloth can be adjusted, thereby increasing the residence time of the waste water above the filter cloth, thereby increasing the filter time of the filter cloth for the waste water, so that the waste water can be filtered completely.
  • Fig. 1 is a perspective view of a kind of high-fat food processing wastewater treatment device of the present invention
  • Fig. 2 is an enlarged view of part A in Fig. 1 of a kind of high-fat food processing wastewater treatment device of the present invention
  • Fig. 3 is an enlarged view of part B in Fig. 1 of a kind of high-fat food processing wastewater treatment device of the present invention
  • Fig. 4 is a perspective view of a tensioning assembly of a high-fat food processing wastewater treatment device of the present invention
  • Fig. 5 is a three-dimensional view of the connection structure between the roller and the filter cloth of a high-fat food processing wastewater treatment device of the present invention
  • Fig. 6 is the front view of a kind of high-fat food processing wastewater treatment device of the present invention.
  • Fig. 7 is a top view of a high-fat food processing wastewater treatment device of the present invention.
  • Support seat 2. Water guide plate; 3. Roller; 4. Filter cloth; 5. Retaining ring; 6. Scraper; 7. Lifting platform; 8. Tension roller; 9. Squeeze roller; 10. Absorbent cotton; 11. Drive motor; 12. Servo motor; 13. Positioning block; 1. Filter.
  • the present invention is a high-fat food processing wastewater treatment device, which includes a support base 1, a filter assembly movably arranged inside the support base 1, a water guide plate 2 fixedly arranged inside the support base 1, a tensioning assembly fixedly arranged above the water guide plate 2, and a water purification device fixedly arranged at the water outlet end of the water guide plate 2.
  • the attached wastewater on the components is adsorbed and discharged;
  • the miscellaneous filter assembly includes a roller 3 movably arranged on the inner side of the support base 1, a filter cloth 4 sleeved on the ring side of the roller 3, a retaining ring 5 fixedly arranged on the edge of the filter cloth 4, a scraper 6 fixedly arranged on one side of the support base 1, and a servo motor 12 fixedly arranged on the side of one of the support bases 1.
  • the retaining ring 5 is used to prevent the waste water from flowing out from the edge of the filter cloth 4, and is used to enhance the tensile resistance of the filter cloth 4.
  • the servo motor 12 drives one of the rollers 3 to rotate, and the water guide plate 2 is located in the middle of the inner side of the filter cloth 4 and the retaining ring 5.
  • the waste water enters the top of the filter cloth 4 from a fixed point above one of the rollers 3.
  • the servo motor 12 drives the filter cloth 4 through the roller 3.
  • the filter cloth 4 drives the waste water to move to the other roller 3.
  • the filter cloth 4 filters the moving waste water.
  • the impurity stays on the top of the filter cloth 4 and is driven to the bottom of the whole filter cloth 4. During this process, the waste water seeps into the filter cloth 4 and is filtered.
  • the pressure of the waste water per unit area of the filter cloth 4 is small, which avoids the problem of the filter cloth 4 being damaged due to excessive force caused by the excessive water pressure of the filter cloth 4. This improves the service life of the filter cloth 4.
  • the filter cloth 4 After entering the bottom of the filter cloth 4, it can fall directly under the action of gravity, and the impurities that cannot fall can also be scraped off by the scraper 6, so that the impurities are not easy to adhere to the filter cloth 4, can be removed in time, and can be cleaned up.
  • the cleaning is convenient, avoiding the problem of impurities accumulating and blocking the filter holes, ensuring the filtration efficiency, and making the overall filtration capacity of the device stable.
  • the side where the scraper 6 contacts the filter cloth 4 is rounded to avoid damage to the filter cloth 4 by the scraper 6 .
  • the tensioning assembly includes two lifting platforms 7 fixedly arranged above the water guide plate 2, tension rollers 8 and squeeze rollers 9 movably arranged inside the two lifting platforms 7, absorbent cotton 10 fixedly arranged on the ring side of the tension rollers 8, and a drive motor 11 fixedly arranged on one of the lifting platforms 7.
  • the tension roller 8 and the absorbent cotton 10 are raised and lowered by the lifting platform 7, so that the filter cloth 4 and the retaining ring 5 are in a suitable tension state, and at the same time, it is convenient to adjust the inclination angle of the upper filter cloth 4 and the upper part of the retaining ring 5, so that during the water delivery process of the filter cloth 4, the flow rate of the wastewater on the filter cloth 4 can be adjusted, which is convenient to prevent the waste water from flowing from one end above the filter cloth 4 to the other end before the filtration is completed, so that the residence time of the waste water above the filter cloth 4 can be increased, thereby improving the filter time of the filter cloth 4 for the waste water, so that the waste water can be filtered completely. .
  • the heights of the two rollers 3 are different, so that the filter cloth 4 is inclined, and the angle between the filter cloth 4 and the horizontal direction is in the range of 5°-10°.
  • the filter cloth 4 is in an inclined state, so that the waste water flows relative to the filter cloth 4 while being driven by the filter cloth 4, which is convenient to increase the contact surface between the waste water and the filter cloth 4, thereby improving the filtration efficiency of the waste water.
  • the miscellaneous filter assembly includes a positioning block 13 fixedly arranged on one side of the support seat 1, a water inlet frame 14 fixedly arranged above the positioning block 13, the water inlet frame 14 is located directly above the higher roller 3, and the water outlet end of the water inlet frame 14 is located directly above the filter cloth 4. Waste water enters filter cloth 4 tops from water inlet frame 14, makes waste water enter filter cloth 4 convenient.
  • the scraper 6 is fixedly installed on the side of the positioning block 13 , and the other end of the scraper 6 is positioned in contact with the surface of the filter cloth 4 .
  • the scraper 6 is fixedly installed on the side of the positioning block 13, so that the gravity time of the impurities under the filter cloth 4 can be delayed, so that the impurities inside the filter cloth 4 can be discharged downward in time under the action of gravity, and the impurities on the filter cloth 4 can be cleaned up under the scraping action of the scraper 6.
  • the ring side of the extrusion roller 9 is provided with evenly spaced ring grooves 15, and the cross section of the ring grooves 15 is a semicircular structure.
  • the ring groove 15 is convenient for the discharge of waste water, so that the waste water on the water-absorbent cotton 10 is squeezed clean, and the ring groove 15 of semicircular structure is convenient for protecting the water-absorbent cotton 10 to prevent the water-absorbent cotton 10 from being crushed.
  • the retaining ring 5 is made of rubber material with good elasticity.
  • the retaining ring 5 is made of silicone material, which facilitates the deformation of the retaining ring 5 during rotation.
  • the inner side of the support base 1 is fixedly equipped with a miscellaneous block 16, and the miscellaneous block 16 is arranged obliquely.
  • the miscellaneous block 16 facilitates the collection of impurities discharged from the filter cloth 4, and the collected impurities are discharged from the discharge end of the miscellaneous block 16 and then collected by the miscellaneous block 17, which facilitates centralized collection of impurities.
  • the water purification device includes an aerobic pool 18 and an anaerobic pool 19, the aerobic pool 18 is located directly below the water outlet of the water guide plate 2, and the anaerobic pool 19 is fixedly arranged at the water outlet of the aerobic pool 18.
  • the aerobic pool 18 and the anaerobic pool 19 carry out wastewater treatment through microorganisms, which facilitates the treatment of organic matter in the wastewater.
  • the water purifying device also includes a water purifying pool 20 fixedly arranged at the water outlet of the anaerobic pool 19, and chemicals for purifying waste water, disinfecting and sterilizing are added in the water purifying pool 20.
  • the water purification pool 20 makes the wastewater treatment more complete by further purifying, disinfecting and sterilizing the wastewater.
  • a filter screen 21 is arranged between the aerobic pool 18 and the anaerobic pool 19 and between the anaerobic pool 19 and the water purification pool 20 .
  • the filter screen 21 is convenient to avoid accumulation of impurities in the water purification tank 20, so that the impurities are evenly distributed in the aerobic tank 18, the anaerobic tank 19 and the water purification tank 20, which is convenient for subsequent unified cleaning.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food-Manufacturing Devices (AREA)
  • Filtration Of Liquid (AREA)

Abstract

L'invention concerne un dispositif de traitement d'eaux usées de traitement d'aliments à haute teneur en graisse, qui se rapporte au domaine du traitement des eaux usées lors du traitement d'aliments. Le dispositif comprend une base de support (1), un ensemble de filtration d'impuretés, qui est disposé de façon mobile sur un côté interne de la base de support (1), une plaque de guidage d'eau (2), qui est disposée de manière fixe sur le côté interne de la base de support (1), un ensemble de tension, qui est disposé de manière fixe au-dessus de la plaque de guidage d'eau (2), et un dispositif de purification d'eau, qui est disposé de manière fixe au niveau d'une extrémité de sortie d'eau de la plaque de guidage d'eau (2). La plaque de guidage d'eau (2) est disposée obliquement ; l'ensemble de filtration d'impuretés est utilisé pour éliminer des impuretés des eaux usées d'une manière opportune, et est soumis à une faible pression d'eau par unité de surface ; l'ensemble de tension est utilisé pour mettre en tension l'ensemble de filtration d'impuretés, et aspirer et éliminer également les eaux usées fixées à l'ensemble de filtration d'impuretés ; et l'ensemble de filtration d'impuretés comprend un rouleau (3), qui est disposé de façon mobile sur le côté interne de la base de support (1). Dans le dispositif, les eaux usées sont filtrées au moyen d'un tissu filtrant (4), et le tissu filtrant (4) se déplace. La durée de vie du tissu filtrant (4) est étendue, les impuretés ne sont pas susceptibles de se fixer au tissu filtrant (4), et peuvent être complètement éliminées de manière opportune, et le problème de trous de filtre qui sont bloqués en raison d'une accumulation d'impuretés est évité, ce qui facilite et assure l'efficacité de filtration.
PCT/CN2022/072653 2022-01-19 2022-01-19 Dispositif de traitement d'eaux usées de traitement d'aliments à haute teneur en graisse Ceased WO2023137609A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2022/072653 WO2023137609A1 (fr) 2022-01-19 2022-01-19 Dispositif de traitement d'eaux usées de traitement d'aliments à haute teneur en graisse
CN202280080911.2A CN118510587A (zh) 2022-01-19 2022-01-19 一种高油脂食品加工废水处理装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/072653 WO2023137609A1 (fr) 2022-01-19 2022-01-19 Dispositif de traitement d'eaux usées de traitement d'aliments à haute teneur en graisse

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WO2023137609A1 true WO2023137609A1 (fr) 2023-07-27

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PCT/CN2022/072653 Ceased WO2023137609A1 (fr) 2022-01-19 2022-01-19 Dispositif de traitement d'eaux usées de traitement d'aliments à haute teneur en graisse

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WO (1) WO2023137609A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116835818A (zh) * 2023-08-04 2023-10-03 永立杆塔股份公司 电杆生产车间的废水回收处理装置
CN117800552A (zh) * 2024-02-29 2024-04-02 淄博市临淄双洋福利油脂有限公司 一种废水回收再利用装置及方法
CN118142267A (zh) * 2024-05-09 2024-06-07 唐山亨坤新能源材料有限公司 一种用于制备焦磷酸锰的煅烧尾气处理装置
CN118718517A (zh) * 2024-09-04 2024-10-01 福建省燕京惠泉啤酒股份有限公司 一种啤酒糖化过滤装置
CN118851389A (zh) * 2024-09-24 2024-10-29 南通汇顺化工有限公司 一种阻燃聚酰亚胺制备废水处理装置
CN119080338A (zh) * 2024-10-16 2024-12-06 杞县金大源实业有限公司 一种发制品废水的处理装置及处理方法
CN119161046A (zh) * 2024-09-26 2024-12-20 吴江市永顺达喷织有限公司 一种喷水织机废水分级处理装置及其处理方法
CN119191467A (zh) * 2024-11-27 2024-12-27 淮南豆维食品有限公司 一种豆干加工用废水处理装置
CN119186073A (zh) * 2024-11-29 2024-12-27 台州市禄圆塑业有限公司 一种水产养殖用废水过滤处理装置

Citations (5)

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Publication number Priority date Publication date Assignee Title
US4707260A (en) * 1984-08-27 1987-11-17 Toray Industries, Inc. Solid liquid separation device
JPH05345148A (ja) * 1992-06-12 1993-12-27 Nec Corp 剥離片回収装置
JPH0679113A (ja) * 1992-09-01 1994-03-22 Ishikawajima Harima Heavy Ind Co Ltd 脱水装置および脱水方法
JP2012166126A (ja) * 2011-02-10 2012-09-06 Fujifilm Corp 粒子凝集体分散液の固液分離方法及び固液分離装置
CN203090589U (zh) * 2012-12-27 2013-07-31 上海雨泽环保科技有限公司 一种污废水前端物理处理装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4707260A (en) * 1984-08-27 1987-11-17 Toray Industries, Inc. Solid liquid separation device
JPH05345148A (ja) * 1992-06-12 1993-12-27 Nec Corp 剥離片回収装置
JPH0679113A (ja) * 1992-09-01 1994-03-22 Ishikawajima Harima Heavy Ind Co Ltd 脱水装置および脱水方法
JP2012166126A (ja) * 2011-02-10 2012-09-06 Fujifilm Corp 粒子凝集体分散液の固液分離方法及び固液分離装置
CN203090589U (zh) * 2012-12-27 2013-07-31 上海雨泽环保科技有限公司 一种污废水前端物理处理装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116835818A (zh) * 2023-08-04 2023-10-03 永立杆塔股份公司 电杆生产车间的废水回收处理装置
CN117800552A (zh) * 2024-02-29 2024-04-02 淄博市临淄双洋福利油脂有限公司 一种废水回收再利用装置及方法
CN118142267A (zh) * 2024-05-09 2024-06-07 唐山亨坤新能源材料有限公司 一种用于制备焦磷酸锰的煅烧尾气处理装置
CN118718517A (zh) * 2024-09-04 2024-10-01 福建省燕京惠泉啤酒股份有限公司 一种啤酒糖化过滤装置
CN118851389A (zh) * 2024-09-24 2024-10-29 南通汇顺化工有限公司 一种阻燃聚酰亚胺制备废水处理装置
CN119161046A (zh) * 2024-09-26 2024-12-20 吴江市永顺达喷织有限公司 一种喷水织机废水分级处理装置及其处理方法
CN119080338A (zh) * 2024-10-16 2024-12-06 杞县金大源实业有限公司 一种发制品废水的处理装置及处理方法
CN119080338B (zh) * 2024-10-16 2025-04-11 杞县金大源实业有限公司 一种发制品废水的处理装置及处理方法
CN119191467A (zh) * 2024-11-27 2024-12-27 淮南豆维食品有限公司 一种豆干加工用废水处理装置
CN119186073A (zh) * 2024-11-29 2024-12-27 台州市禄圆塑业有限公司 一种水产养殖用废水过滤处理装置

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