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CN-122006484-A - Energy-saving ceramic membrane filtering equipment and method

CN122006484ACN 122006484 ACN122006484 ACN 122006484ACN-122006484-A

Abstract

The invention discloses energy-saving ceramic membrane filtering equipment and a method, which relate to the technical field of ceramic membrane filtering, and comprise a base, wherein a material conveying system and a tubular ceramic membrane filtering system are arranged above the base, the tubular ceramic membrane filtering system comprises two bottom pipes fixedly arranged on the top surface of the base, a plurality of membrane shells are arranged above the bottom pipes side by side, a plurality of ceramic membrane cores which are arranged in an annular array are arranged inside the membrane shells, and a liquid breaking triggering component triggers a reticular push plate above the membrane shells to jack up a hard steel wire shaft to drive an annular scraping plate to move upwards in a ceramic membrane channel, and a reset component is utilized to drive the annular scraping plate on the hard steel wire shaft to move downwards, so that the annular scraping plate moves up and down to timely clear membrane wall pollutants.

Inventors

  • LIN HE
  • LIAN WEI
  • LIAN YUCHENG
  • WANG XIAYU

Assignees

  • 浙江乾仕智能科技有限公司

Dates

Publication Date
20260512
Application Date
20260413

Claims (10)

  1. 1. The energy-saving ceramic membrane filtering equipment comprises a base (1), wherein a material conveying system (2) and a tubular ceramic membrane filtering system (3) are arranged above the base (1), and the energy-saving ceramic membrane filtering equipment is characterized in that the tubular ceramic membrane filtering system (3) comprises two bottom pipes (301) fixedly arranged on the top surface of the base (1), a plurality of membrane shells (302) are arranged above the bottom pipes (301) side by side, a plurality of ceramic membrane cores (307) which are arranged in an annular array are arranged inside the membrane shells (302), and a plurality of ceramic membrane channels (3071) which are arranged in a penetrating mode up and down are arranged inside the ceramic membrane cores (307) in an annular array; The bottom ends of the membrane shells (302) are connected with a connecting tank (305) through flanges, the bottom ends of the connecting tank (305) are connected with a bottom pipe (301) through flanges, a liquid breaking triggering component (310) is installed in the connecting tank (305), and a passage between the connecting tank (305) and the membrane shells (302) is automatically opened or cut off; The tubular ceramic membrane filtration system (3) further comprises a plurality of groups of blocking removal assemblies (314) with the same number as the ceramic membrane cores (307), each group of blocking removal assemblies (314) comprises a column-shaped seat (3141) positioned above a corresponding ceramic membrane core (307), hard steel wire shafts (3142) with the same number as the ceramic membrane channels (3071) on a single ceramic membrane core (307) are arranged on the bottom surface of the column-shaped seat (3141), a plurality of annular scraping plates (3144) are sleeved on the outer side of each hard steel wire shaft (3142) at equal intervals, and each annular scraping plate (3144) is connected to the outer wall of each hard steel wire shaft (3142) through a second fixing frame (3143) and positioned on the inner side of the corresponding ceramic membrane channel (3071); the tubular ceramic membrane filtration system (3) further comprises a reset component (313) for driving the blockage removal component (314) to reset; the top on disconnected liquid trigger subassembly (310) is provided with fixed axle (311), the top fixedly connected with of fixed axle (311) is used for with clear net push pedal (312) of stifled subassembly (314) jack-up.
  2. 2. The energy-saving ceramic membrane filtering equipment according to claim 1, wherein the liquid breaking triggering assembly (310) comprises an annular fixing seat (3101) fixedly arranged on the inner wall of the connecting tank (305), a sealing plug (3102) with an opening at the bottom is movably arranged on the inner side of the annular fixing seat (3101), the fixing shaft (311) is fixedly connected to the top surface of the sealing plug (3102), and a plurality of raw material liquid channel holes (3107) are formed in an annular array on the side wall of the sealing plug (3102); A sealing ring block (3108) is fixedly connected to the inner wall of the annular fixed seat (3101), and the outer side wall of the sealing plug (3102) and the inner side wall of the sealing ring block (3108) are arranged in a sealing mode; The liquid breaking triggering assembly (310) further comprises a first casing (3103) arranged on the inner wall of the connecting tank (305) through a first fixing frame (3104), a sliding sleeve (3106) is arranged on the inner side of the first casing (3103) in a sliding mode, the sliding sleeve (3106) is fixedly connected with the top surface of the sealing plug (3102), a disc spring (3105) is fixedly arranged on the inner wall of the top of the first casing (3103), and the liquid breaking triggering assembly is located between the first casing (3103) and the sliding sleeve (3106).
  3. 3. An energy-saving ceramic membrane filtration device according to claim 2, wherein the top of each membrane shell (302) is connected with a top shell (306) through a flange, and a plurality of groups of reset components (313) are installed inside the top shells (306); Each group reset assembly (313) all includes fixed connection No. two casings (3131) inside top shell (306), offer on No. two casings (3131) with cylindricality seat (3141) looks adaptation and opening decurrent slot, just the inside sliding connection of slot has conflict piece (3133), the inside of slot still is provided with reset spring (3132), reset spring (3132) both ends respectively with the inner wall of slot and the top surface fixed connection of conflict piece (3133).
  4. 4. An energy efficient ceramic membrane filtration device according to claim 2, characterized in that the bottom of each hard wire shaft (3142) is provided with a collision ball (315).
  5. 5. The energy-saving ceramic membrane filtration device according to claim 1, wherein a fixed limit frame (309) is arranged on the inner wall of each membrane shell (302), two clamping grooves (3091) with the same number as the ceramic membrane cores (307) are formed in the fixed limit frame (309), the two clamping grooves (3091) are inverted conical grooves and are used for being clamped into the bottoms of the ceramic membrane cores (307), movable limit frames (308) are detachably arranged in the membrane shells (302), and a first clamping groove (3081) with the same size and number as the second clamping grooves (3091) is formed in the movable limit frames (308), and the first clamping groove (3081) is a right-positioned conical groove.
  6. 6. The energy-saving ceramic membrane filtration device according to claim 1, wherein the tubular ceramic membrane filtration system (3) further comprises a circulating pump (303) arranged on the top surface of the base (1), the working end of the circulating pump (303) is connected with any one bottom pipe (301), the two bottom pipes (301) are connected through a communicating pipe, and the circulating pump (303) is used for realizing the circulation of the secondary raw material liquid; And the side wall of each membrane shell (302) is provided with a concentrated solution outlet (3021) which is positioned above the ceramic membrane core (307), and the two concentrated solution outlets (3021) are directly opposite to each other and are connected through a concentrated solution conveying pipe (304).
  7. 7. An energy-saving ceramic membrane filtration device according to claim 1, characterized in that the material conveying system (2) comprises a raw material liquid storage tank (21) arranged on the top surface of the base (1), the raw material liquid storage tank (21) is connected with a bottom pipe (301) through a material conveying pipe (22), a material conveying pump (23) is arranged in the middle of the material conveying pipe (22), a precise filter (24) is connected in series between the material conveying pipe (22) and the bottom pipe (301) through a connecting pipeline (25), and the precise filter (24) is arranged on the top surface of the base (1).
  8. 8. An energy-saving ceramic membrane filtration device according to claim 1, characterized in that the base (1) is further provided with a separation and collection system (4), the separation and collection system (4) comprises a filtrate tank (41) and a concentrate tank (42); A filtrate outlet (3023) is further arranged on the side wall of the membrane shell (302) and is positioned at the side of the ceramic membrane core (307), and the filtrate outlet (3023) is in through connection with the filtrate tank (41) through a filtrate conveying pipe (43); The thick liquid tank (42) is in through connection with the first thick liquid conveying pipe (304) through a second thick liquid conveying pipe (44), and the second thick liquid conveying pipe (44) is also in through connection with the bottom pipe (301).
  9. 9. An energy-efficient ceramic membrane filtration device according to claim 1, characterized in that several side-by-side membrane shells (302) are connected by means of circulation pipes (5) through them.
  10. 10. An energy-saving ceramic membrane filtration method, characterized by being applied to the energy-saving ceramic membrane filtration device as claimed in any one of claims 1 to 9, comprising the following steps: S1, storing primary raw material liquid to be filtered into a raw material liquid storage tank (21), starting a material conveying pump (23), conveying the primary raw material liquid to a precise filter (24) along a material conveying pipe (22), filtering large-particle suspended matters in the primary raw material liquid through the precise filter (24) to form secondary raw material liquid, and continuously conveying the secondary raw material liquid to a bottom pipe (301) of a tubular ceramic membrane filtering system (3); S2, the secondary raw material liquid is shunted into a connecting tank (305) at the bottom end of each membrane shell (302) through a bottom pipe (301), elastic potential energy of a belleville spring (3105) in a liquid breaking trigger assembly (310) enables a sealing plug (3102) to press a sealing ring block (3108), a raw material liquid channel hole (3107) is plugged, the secondary raw material liquid is continuously accumulated in the connecting tank (305), the pressure is gradually increased until the pressure of the secondary raw material liquid is increased to exceed the elastic potential energy of the belleville spring (3105), the secondary raw material liquid enters the membrane shells (302), the pressure in the connecting tank (305) is suddenly reduced, the belleville spring (3105) pushes a sealing plug (3102) to reset a plugging channel, thus the secondary raw material liquid is circularly carried out, a net-shaped pushing plate (312) is driven by a fixed shaft (3142) to jack up a hard steel wire shaft, an annular scraping plate (3144) is slid upwards along with the inner wall of the membrane channel, after the sealing plug (3102) is reset, and a steel wire shaft is not propped, and a reset spring (3132) drives the sealing plate and a scraping plate to move downwards to complete secondary cleaning and plugging; S3, filtering the secondary raw material liquid in a ceramic membrane core (307), allowing filtrate to flow into a filtrate tank (41) to be collected, allowing filter residues to flow upwards along a ceramic membrane channel (3071) to be sent into a concentrate tank (42) to be collected, opening a passage between a secondary concentrated liquid conveying pipe (44) and a bottom pipe (301), starting a circulating pump (303) to convey the filter residues to the membrane shell (302) again for internal circulating filtration, repeating for a plurality of times, allowing the filtrate to enter the filtrate tank (41) again, and allowing the filter residues to enter the concentrate tank (42) again; And S4, after the filtering operation is finished, introducing flushing liquid into the membrane shells (302), continuously flowing the flushing liquid inside each membrane shell (302) through a circulating pipeline (5) between the membrane shells (302), comprehensively flushing the ceramic membrane cores (307) and the inside of the membrane shells (302), and discharging waste liquid generated by flushing into a concentrate tank (42) along with concentrate.

Description

Energy-saving ceramic membrane filtering equipment and method Technical Field The invention belongs to the technical field of ceramic membrane filtration, and particularly relates to energy-saving ceramic membrane filtration equipment and method. Background The ceramic membrane filter equipment is equipment for sewage treatment by utilizing a ceramic membrane technology, and the ceramic membrane has excellent chemical stability, high temperature resistance, high strength and good anti-pollution performance, so the ceramic membrane filter equipment is particularly suitable for the sewage treatment field, and the working principle is that large-particle suspended particles (such as sediment and feed liquid residues) in sewage are filtered by utilizing a precision filter, and then introduced into a ceramic membrane tube, and the separation and removal of pollutants such as organic matters and microorganisms in the sewage are realized by utilizing the size and surface characteristics of the membrane aperture. However, the sewage has complex components and higher pollutant content, and in the long-term operation process of the ceramic membrane, residual colloid, organic matters and other pollutants dissolved in the sewage are easy to accumulate and block in the membrane channel, so that the membrane flux is reduced, the filtration resistance is increased, the equipment needs to continuously raise the operation pressure to maintain the treatment efficiency, the energy consumption is increased, the ageing of the membrane assembly can be accelerated, in the existing solution, the sewage treatment flow is required to be interrupted by periodically stopping manual cleaning, the treatment efficiency is reduced, the blocking cleaning effect of the conventional backwashing technology is limited, and the intractable pollutants in the membrane channel are difficult to remove in time. Disclosure of Invention In order to solve the problems set forth in the background art, the invention provides energy-saving ceramic membrane filtering equipment and a method. The aim of the invention can be achieved by the following technical scheme: The energy-saving ceramic membrane filtering equipment comprises a base, wherein a material conveying system and a tubular ceramic membrane filtering system are arranged above the base, the tubular ceramic membrane filtering system comprises two bottom pipes fixedly arranged on the top surface of the base, a plurality of membrane shells are arranged above the bottom pipes side by side, a plurality of ceramic membrane cores which are arranged in an annular array are arranged inside the membrane shells, and a plurality of ceramic membrane channels which are arranged in a penetrating manner up and down are arranged in the annular array of the ceramic membrane cores; the bottom ends of the membrane shells are connected with a connecting tank through a flange, the bottom ends of the connecting tanks are connected with a bottom pipe through a flange, a liquid breaking triggering assembly is installed in the connecting tank, and a passage between the connecting tank and the membrane shells is automatically opened or cut off; The tubular ceramic membrane filtration system further comprises a plurality of groups of blocking removal assemblies, the number of the groups of blocking removal assemblies is the same as that of the ceramic membrane cores, each group of blocking removal assemblies comprises a column-shaped seat positioned above a corresponding ceramic membrane core, hard steel wire shafts, the number of which is the same as that of ceramic membrane channels on a single ceramic membrane core, are arranged on the bottom surface of each column-shaped seat, a plurality of annular scraping plates are sleeved on the outer sides of the hard steel wire shafts at equal intervals, and are connected to the outer walls of the hard steel wire shafts through second fixing frames and positioned at the inner sides of the corresponding ceramic membrane channels; the tubular ceramic membrane filtration system also comprises a reset component for driving the block-cleaning component to reset; The top on the disconnected liquid trigger subassembly is provided with the fixed axle, the top fixedly connected with of fixed axle is used for the netted push pedal with clear stifled subassembly jack-up. The liquid breaking triggering assembly comprises an annular fixing seat fixedly arranged on the inner wall of the connecting tank, a sealing plug with an opening at the bottom is movably arranged on the inner side of the annular fixing seat, the fixing shaft is fixedly connected to the top surface of the sealing plug, and a plurality of raw material liquid passage holes are formed in an annular array on the side wall of the sealing plug; the inner wall of the annular fixed seat is fixedly connected with a sealing ring block, and the outer side wall of the sealing plug is arranged in a sealing way with the inner side wall