Search

CN-121990746-A - Multi-section continuous reduction integrated equipment system for sludge and control process

CN121990746ACN 121990746 ACN121990746 ACN 121990746ACN-121990746-A

Abstract

The invention discloses a multi-section continuous sludge reduction integrated equipment system and a control process, which belong to the technical field of sludge treatment, and comprise a high-efficiency vertical laminated press, wherein the high-efficiency vertical laminated press comprises a vertical press mechanism and a filtering mechanism, and the vertical press mechanism comprises a press assembly; according to the invention, the laminated filter cloth mud bed is subjected to filter pressing dehydration through the pressing assembly and the elastic assembly, mechanical pressure in the filter pressing process is used as driving force, the driving pole is controlled to be matched with the spiral groove to realize rotation of the filter frame, the pitch of the spiral groove is gradually decreased, the rotating speed is changed in a first slow and then fast gradient manner, the mechanical pressure is matched to stably squeeze the moisture on the surface layer of the mud, the phenomenon that a filter cake is damaged and leaked due to instantaneous high-speed rotation is avoided, the forming quality of the filter cake is ensured, the filter frame in the middle and later stages of the filter pressing is accelerated to rotate, the centrifugal force is gradually increased, the residual moisture in the pores of the filter cake can be deeply permeated into the filter cake, the residual moisture in the filter cake is further separated and discharged, and the gradient operation of stable forming and deep dehydration is realized.

Inventors

  • QUAN JUN
  • DONG YALI
  • GUO SHENG

Assignees

  • 深圳瑞新达生态科技有限公司

Dates

Publication Date
20260508
Application Date
20260317

Claims (10)

  1. 1. The multi-section continuous sludge reduction integrated equipment system comprises preliminary dehydration, deep dehydration and heat drying water taking, and is characterized in that the deep dehydration comprises high-efficiency vertical laminated pressing; The efficient vertical lamination press comprises a vertical press mechanism (100) and a filter mechanism (200), wherein the vertical press mechanism (100) comprises a press assembly (101), a fixed shaft (103) is arranged below the press assembly (101), a spiral groove (104) is formed in the fixed shaft (103), the spiral groove (104) is in sliding fit with a driving ball rod (105), and the driving ball rod (105) is connected with an elastic assembly (102); The filtering mechanism (200) comprises a processing cavity (201), a filtering component (202) is arranged in the processing cavity (201), cleaning components (205) are arranged on two sides of the filtering component (202), the lower parts of the two cleaning components (205) are connected with a rotating component (206), and the rotating component (206) is arranged below the filtering component (202).
  2. 2. The multi-stage continuous sludge reduction integrated equipment system according to claim 1, wherein the primary dehydration process comprises the steps of adding original surplus sludge and PAM agent into a sludge concentration dehydrator for dehydration treatment, and introducing filtrate into a sewage pipe network in a filtrate plant for treatment; Adding a modifying agent into a horizontal modifying tank, further stirring and mixing the sludge in preliminary dehydration, adding a trace amount of polyiron agent after stirring, and feeding into a high-efficiency vertical laminated press dehydration, wherein filtrate flows back to a sewage pipe network in a filtrate plant; The heat drying water taking process is that the pressed sludge is conveyed to a sludge low-temperature belt dryer for drying treatment by a conveyor, the produced condensed water enters a sewage pipe network in a refrigerant pipe condensation plant, and the sludge after heat drying is conveyed to a dry granular sludge storage bin and is transported to be treated at regular intervals.
  3. 3. The sludge multistage continuous reduction integrated equipment system according to claim 1, wherein the pressing assembly (101) comprises a hydraulic base (1012), a hydraulic device (1011) is fixedly installed on the hydraulic base (1012), and the bottom end of the hydraulic device (1011) is fixedly connected with a fixed shaft (103).
  4. 4. The sludge multistage continuous reduction integrated equipment system according to claim 3, wherein the elastic component (102) comprises a mounting plate (1025), a plurality of sliding sleeves (1024) are fixedly mounted on the mounting plate (1025), sliding rods (1022) are connected in a sliding manner in the sliding sleeves (1024), one sliding rod (1022) is fixedly connected with the driving bead rod (105), pressing plates (1021) are fixedly connected to the bottom ends of the sliding rods (1022), a plurality of first springs (1023) are fixedly connected to the upper portion of the pressing plates (1021), and the first springs (1023) are fixedly connected to the lower portion of the sliding sleeves (1024).
  5. 5. The sludge multistage continuous reduction integrated equipment system according to claim 4, wherein the pitch of the spiral groove (104) decreases from bottom to top, and the top of the spiral groove (104) is annularly arranged.
  6. 6. The sludge multistage continuous reduction integrated equipment system according to claim 5, wherein the filter assembly (202) comprises a mounting piece (2022), the mounting piece (2022) is rotatably mounted on the treatment cavity (201) through a bearing, a filter cavity (2021) is mounted on the mounting piece (2022), a laminated filter cloth mud bed is arranged in the filter cavity (2021), and the pressing plate (1021) is matched with an inner cavity of the filter cavity (2021).
  7. 7. The sludge multistage continuous reduction integrated equipment system according to claim 6, wherein a plurality of auxiliary wheels (2023) are fixedly connected below the filter chamber (2021), the auxiliary wheels (2023) walk on a wheel rail (2024), the wheel rail (2024) is fixedly connected in the treatment chamber (201) through a reinforcement (2025), and a discharge valve (204) is arranged below the treatment chamber (201).
  8. 8. The sludge multistage continuous reduction integrated equipment system according to claim 7, wherein the rotary component (206) comprises a rotary shaft (2063), the rotary shaft (2063) is fixedly connected to the filter cavity (2021), a connecting frame (2064) is mounted on the rotary shaft (2063), the connecting frame (2064) is fixedly connected to an outer frame (2061), the outer frame (2061) is the same as the filter cavity (2021) in length on the outer peripheral surface, a torsion spring (2065) is fixedly connected between the connecting frame (2064) and a fixing piece (2062), the rotary shaft (2063) is rotatably mounted on the fixing piece (2062) through a bearing, and the fixing piece (2062) is fixedly connected to the treatment cavity (201).
  9. 9. The sludge multistage continuous reduction integrated equipment system according to claim 8, wherein the cleaning assembly (205) comprises an adjusting rod (2051), one end of the adjusting rod (2051) is provided with a travelling wheel (2052), the travelling wheel (2052) is overlapped with the outer frame (2061), the adjusting rod (2051) is slidably connected in an adjusting sleeve (2054), the adjusting sleeve (2054) is installed on the treatment cavity (201), a second spring (2053) is fixedly connected between the adjusting sleeve (2054) and the travelling wheel (2052), and two sides of the treatment cavity (201) are fixedly connected with side cavities (203); The other end fixedly connected with actuating lever (2055) of adjusting pole (2051), the top fixedly connected with guide bar (2058) of actuating lever (2055), guide bar (2058) sliding connection is in uide bushing (2056), uide bushing (2056) are installed on process chamber (201), the one end fixedly connected with clearance structure (2057) of guide bar (2058), clearance structure (2057) overlap joint with filter chamber (2021), and two clearance structures (2057) are brush and scraper blade respectively.
  10. 10. The control process for efficient vertical stack pressing in deep dewatering of a multi-stage continuous reduction integrated equipment system for sludge according to claim 9, comprising the steps of: S1, pressing down an elastic component (102) through a hydraulic device (1011), pressing a laminated filter cloth mud bed by a pressing plate (1021) to press internal sewage out of a filter cavity (2021), deforming a first spring (1023) along with the increase of the pressure, further enabling a sliding rod (1022) to drive a driving ball rod (105) to displace, enabling the driving ball rod (105) to be matched with the cambered surface of a spiral groove (104) to realize the rotation of the elastic component (102), and enabling the pressing plate (1021) to directly drive the filter cavity (2021) to rotate to throw out sewage along with the ascending and descending of the screw pitch of the spiral groove (104) and the gradual increasing of the rotating speed; S2, the rotation of the filter cavity (2021) also drives the rotating shaft (2063) to rotate, the rotating shaft (2063) drives the torsion spring (2065) to store elastic potential energy through the connecting frame (2064), and when the driving ball rod (105) is positioned on the top annular surface of the spiral groove (104), the torsion spring (2065) releases the elastic potential energy, so that the filter cavity (2021) reversely rotates to carry out dehydration operation; S3, the outer frame (2061) rotates along with the filter cavity (2021), so that the elastic expansion property of the second spring (2053) keeps the travelling wheel (2052) to be in contact with the outer frame (2061), and the cleaning structure (2057) is completely attached to the filter cavity (2021) to perform cleaning operation.

Description

Multi-section continuous reduction integrated equipment system for sludge and control process Technical Field The invention relates to the technical field of sludge treatment, in particular to a multistage continuous reduction integrated equipment system for sludge and a control process. Background The sludge is used as a byproduct generated in the sewage treatment process, contains a large amount of water, organic matters, heavy metals and other substances, occupies a large amount of storage space if effective reduction treatment is not performed, causes environmental pollution and even causes secondary pollution, so that the multistage continuous reduction treatment of the sludge is a core premise of sludge treatment, can greatly reduce the volume of the sludge, is convenient for subsequent transportation, landfill or recycling, and is in accordance with the concept of environmental protection treatment and resource recovery. The laminated filter press is used as common equipment in sludge reduction treatment, is widely applied to a sludge press filtration dehydration link by virtue of the advantages of compact structure and large treatment capacity, but the filter pressing process of the traditional laminated filter press only relies on mechanical pressure in a single direction to squeeze sludge moisture, the moisture in a filter cake is difficult to fully remove, the reduction effect is poor, solid residues are easy to adhere to the surface of a filter frame in the filter pressing process, filter resistance is increased due to the blocking of a filter hole, filter pressing efficiency is reduced, the service life of the equipment is shortened, cleaning is complicated, the filter pressing dehydration link and the filter frame cleaning link are not smoothly connected, a synergistic effect is difficult to form, and the core requirements of high-efficiency continuous reduction, low resistance and long-period stable operation of sludge cannot be met, so that the efficiency and quality of sludge reduction treatment are restricted. Aiming at the problems, the invention provides a sludge multistage continuous reduction integrated equipment system and a control process. Disclosure of Invention The invention aims to solve the defects that in the filter pressing process of the traditional laminated filter press, sludge moisture is extruded only by means of mechanical pressure in a single direction, the moisture in a filter cake is difficult to fully remove, the reduction effect is poor, solid residues are easy to adhere to the surface of a filter frame, filter resistance is increased due to the blocking of a filter hole in the filter pressing process, filter pressing efficiency is reduced, the service life of equipment is shortened, cleaning is complicated, and the filter pressing dehydration and the filter frame cleaning links are not smoothly connected, so that a synergistic effect is difficult to form. In order to achieve the above purpose, the present invention adopts the following technical scheme: the multi-section continuous sludge reduction integrated equipment system comprises preliminary dehydration, deep dehydration and heat drying water taking, wherein the deep dehydration comprises high-efficiency vertical laminated squeezing; the high-efficiency vertical lamination press comprises a vertical press mechanism and a filtering mechanism, wherein the vertical press mechanism comprises a press assembly, a fixed shaft is arranged below the press assembly, a spiral groove is formed in the fixed shaft, the spiral groove is in sliding fit with a driving ball rod, and the driving ball rod is connected with an elastic assembly; The filter mechanism comprises a processing cavity, a filter assembly is arranged in the processing cavity, cleaning assemblies are arranged on two sides of the filter assembly, the lower parts of the two cleaning assemblies are connected with a rotary assembly, and the rotary assembly is arranged below the filter assembly. Preferably, the primary dehydration process comprises the steps of adding original surplus sludge and PAM agent into a sludge concentration dehydrator for dehydration treatment, and introducing filtrate into a sewage pipe network in a filtrate plant for treatment; Adding a modifying agent into a horizontal modifying tank, further stirring and mixing the sludge in preliminary dehydration, adding a trace amount of polyiron agent after stirring, and feeding into a high-efficiency vertical laminated press dehydration, wherein filtrate flows back to a sewage pipe network in a filtrate plant; The heat drying water taking process is that the pressed sludge is conveyed to a sludge low-temperature belt dryer for drying treatment by a conveyor, the produced condensed water enters a sewage pipe network in a refrigerant pipe condensation plant, and the sludge after heat drying is conveyed to a dry granular sludge storage bin and is transported to be treated at regular intervals. Pr