CN-121972011-A - Integrated membrane stack fast-assembling structure and intelligent management method

CN121972011ACN 121972011 ACN121972011 ACN 121972011ACN-121972011-A

Abstract

The invention discloses an integrated membrane stack fast-assembling structure and an intelligent management method, wherein the structure comprises a fixed main frame and a detachable intelligent membrane stack module; the detachable intelligent membrane stack module is provided with an integrated interface plug and a locking mechanism, and is internally provided with an ultrafiltration membrane structure and a second pipe network connected between the integrated interface plug and the ultrafiltration membrane structure, and the detachable intelligent membrane stack module is matched with the guide limiting structure and the locking mechanism, and the integrated interface plug of the detachable intelligent membrane stack module is inserted into the integrated interface socket of the fixed main frame in a blind insertion mode, so that the first pipe network and the second pipe network are quickly locked and connected. The invention not only can be used by plug and play and improves the disassembly and assembly efficiency, but also has lower technical level requirements on-site disassembly, assembly and maintenance personnel, can greatly shorten the system downtime, ensure the continuity of water supply or production flow and reduce the operation and maintenance cost.

Inventors

DONG JIA
PENG LIHUA

Assignees

广东环境保护工程职业学院

Dates

Publication Date: 20260505
Application Date: 20251217

Claims (10)

1. The integrated membrane stack fast-assembling structure is characterized by comprising a fixed main frame and a detachable intelligent membrane stack module; The fixed main frame is provided with an integrated interface socket and a guiding limit structure, and is internally provided with a first pipe network connected with the integrated interface socket, wherein the first pipe network comprises a first power supply circuit, a first communication circuit and a first fluid pipeline group which are communicated with the outside; The detachable intelligent membrane stack module is provided with an integrated interface plug and a locking mechanism, an ultrafiltration membrane structure and a second pipe network connected between the integrated interface plug and the ultrafiltration membrane structure are arranged in the detachable intelligent membrane stack module, and the second pipe network comprises a second power supply circuit, a second communication circuit and a second fluid pipeline group; Under the cooperation of the guide limiting structure and the locking mechanism, the detachable intelligent membrane stack module is inserted into the integrated interface socket of the fixed main frame in a blind insertion mode, so that the first pipe network and the second pipe network are connected in a quick locking mode.
2. The integrated membrane stack fast-assembling structure of claim 1, wherein the ultrafiltration membrane structure comprises a water producing cavity, a raw water cavity and a pipe network connection cavity; The second fluid pipeline group comprises a second water outlet pipe, a second raw water inlet pipe, a second backwash water inlet pipe and a second concentrated water-backwash water outlet pipe; the water producing cavity is communicated with the integrated interface plug through a second water producing outlet pipe and a second backwashing water inlet pipe; The raw water cavity is arranged between the water producing cavity and the pipe network connection cavity, a hollow fiber ultrafiltration membrane tow array is arranged in the raw water cavity, and the raw water cavity is communicated with the pipe network connection cavity through a through hole array; the hollow fiber ultrafiltration membrane tow arrays are communicated with the through hole arrays at intervals, and one end of each hollow fiber ultrafiltration membrane tow in each hollow fiber ultrafiltration membrane tow array is inserted into the water producing cavity; the second raw water inlet pipe and the second concentrated water-backwash water outlet pipe are connected between the integrated interface plug and the pipe network connection cavity.
3. The integrated membrane stack fast assembly structure according to claim 2, wherein the guiding and limiting structure comprises a guiding rail and a limiting groove; The limiting groove is arranged at one end of the guide rail, and the shape of the limiting groove is matched with the shape of the detachable intelligent membrane stack module; the integrated interface socket is arranged in the limit groove; The detachable intelligent membrane stack module is provided with a guide groove matched with the guide rail, and the appearance of the detachable intelligent membrane stack module is matched with the guide rail and the limit groove of the fixed main frame respectively through the guide groove and the detachable intelligent membrane stack module, so that an integrated interface plug of the detachable intelligent membrane stack module is inserted into an integrated interface socket of the fixed main frame in a blind insertion mode.
4. An integrated membrane stack fast-assembling structure according to claim 3, wherein the guide rail is provided with a locking groove; The detachable intelligent membrane stack module is internally provided with a guide space and a containing space; the locking mechanism comprises a gear, a rack and a locking motor; the gear and the locking motor are arranged in the accommodating space, the gear is connected with the output end of the locking motor, and the locking motor drives the gear to rotate; the rack is arranged in the guide space and meshed with the gear, and is driven by the gear to be inserted into or separated from the locking groove along the length direction of the guide space.
5. The integrated membrane stack fast assembly structure according to claim 4, wherein the locking mechanism further comprises a first permanent magnet and a second permanent magnet magnetically engaged with the first permanent magnet; The first permanent magnet is arranged at the integrated interface plug; The second permanent magnet is arranged at the integrated interface socket.
6. The integrated film stack fast-assembling structure of claim 2, wherein the top of the detachable intelligent film stack module is provided with a lifting part, and an RFID tag is embedded in the lifting part, and the RFID tag is used as a physical backup of a unique identity of the detachable intelligent film stack module.
7. The integrated membrane stack fast-assembling structure according to any one of claims 2-6, wherein a first pressure sensor, a second pressure sensor, a first PH sensor, a first turbidity sensor, a first vibration sensor and a second vibration sensor are arranged in the pipe network connection cavity; A second PH sensor and a second turbidity sensor are arranged in the water producing cavity; The first pressure sensor, the first PH sensor, the first turbidity sensor and the first vibration sensor are all arranged at the pipe orifice of one end of the second raw water inlet pipe connected with the pipe network connection cavity; The second pressure sensor and the second vibration sensor are both arranged at a pipe orifice at one end of the second concentrated water-backwash water outlet pipe connected with the pipe network connection cavity; The second PH sensor and the second turbidity sensor are both arranged at the pipe orifice at one end of the second water outlet pipe connected with the water producing cavity; The detachable intelligent membrane stack module is also embedded with a local MCU and a local memory, and the local MCU is electrically connected with the first pressure sensor, the second pressure sensor, the first PH sensor, the first turbidity sensor, the first vibration sensor, the second PH sensor and the second turbidity sensor at the same time; The local memory is electrically connected with the local MCU.
8. An intelligent management method applied to the integrated membrane stack fast-assembling structure of claim 7, wherein the management is performed in combination with an external central controller for controlling the first fluid pipeline group, and the management process comprises: After the detachable intelligent membrane stack module is connected with the fixed main frame in an inserting way, the first pipe network is communicated with the second pipe network, and then the operation parameters of the detachable intelligent membrane stack module are acquired in real time through the first pressure sensor, the second pressure sensor, the first PH sensor, the first turbidity sensor, the first vibration sensor, the second PH sensor and the second turbidity sensor, and are stored in the local memory after being processed by the local MCU; If the cleaning decision is 'immediate cleaning', the local MCU reports the history cleaning record stored in the local memory to the central controller, and the central controller controls the first fluid pipeline group by combining the history cleaning record and the pollution type identifier to carry out personalized cleaning on the raw water cavity and the hollow fiber ultrafiltration membrane tow array in the raw water cavity; after the cleaning is finished, the local MCU evaluates the cleaning recovery rate and updates the health index based on the latest operation parameters, and finally judges the replacement time of the detachable intelligent membrane stack module based on the latest health index.
9. The intelligent management method according to claim 8, wherein the cleaning decision is obtained according to a pollution index; If the pollution index is > safety limit, the cleaning decision is "immediate cleaning"; If the safety limit > pollution index > sets a threshold value, the cleaning decision is 'plan cleaning'; if the pollution index is less than the set threshold, the cleaning decision is 'continue monitoring'; the pollution index is calculated as follows: Wherein, the Representing the current transmembrane pressure difference, namely the detection difference value of the current first pressure sensor and the second pressure sensor; the maximum allowable transmembrane pressure difference is represented as a preset value; Representing the rate of rise of the current transmembrane pressure difference; representing the maximum allowable rate of rise of the transmembrane pressure difference; Representing the turbidity gradient of water quality, and obtaining the difference value between the turbidity value of the inlet water detected by the first turbidity sensor at the current moment and the historical baseline value; Representation of Deviation value equal to And Average value of (2); , , Is the detection value of the first PH sensor, Is the detection value of the second PH sensor; as a pollution weight coefficient, the weight coefficient of the pollution, 。
10. The intelligent management method according to claim 8, wherein the health index The calculation formula of (2) is as follows: Wherein, the Is the water permeability evaluation value; In order to produce a water turbidity score value, =100× [ 1- (Current second turbidity sensor detection value) -0.1)/(0.5-0.1) ],0.5 Representing the maximum turbidity allowed for the stack and 0.1 representing the stack design turbidity; For the purpose of a mechanically stable score, The method comprises the following steps that (1) raw water inflow vibration deduction is carried out, wherein A is raw water inflow vibration deduction, B is concentrated water outflow vibration deduction, A is obtained by comparing a detection value of a first vibration sensor with a safety threshold value and an early warning threshold value, and B is obtained by comparing a detection value of a second vibration sensor with the safety threshold value and the early warning threshold value; As a result of the health weight coefficient, 。

Description

Integrated membrane stack fast-assembling structure and intelligent management method Technical Field The invention relates to the technical field of ultrafiltration membrane water treatment, in particular to an integrated membrane stack fast-assembling structure and an intelligent management method. Background Ultrafiltration membrane technology, one of the core technologies in the water treatment field, has been widely used in a number of critical fields by virtue of its precise separation properties. The core principle is that the pressure is used as driving force, the separation of substances with different particle diameters in the solution is realized by utilizing the precise pore diameter of the membrane, and suspended matters, colloid, bacteria, viruses and partial macromolecular organic matters can be effectively removed. However, conventional ultrafiltration membrane systems increasingly expose a number of bottleneck problems in practical applications: First, the system integration level is low. The traditional membrane system adopts the field 'building blocks' type assembly of a distributed assembly, relates to the splicing of a plurality of independent components such as a membrane assembly, a pipeline, a monitoring instrument and the like, has low installation efficiency, has high technical level requirements on field installation personnel, and remarkably increases leakage risk due to complex pipeline connection. Secondly, the operation and maintenance are complicated and the cost is high. The replacement, cleaning and maintenance of the membrane component are operated by professionals, the system is required to be closed and the multiple groups of pipelines and electric connectors are required to be disassembled during the replacement, the process is time-consuming and labor-consuming, the system downtime is long, the continuous water supply or production is affected, and meanwhile, the whole life cycle operation cost is increased due to the configuration of the professional maintenance team. Thirdly, the degree of intelligence is not enough. The system has weak internal state sensing capability, most of the system can only monitor macroscopic parameters such as inlet and outlet pressure, and the like, lacks real-time in-situ monitoring of key parameters such as pressure loss, pollution conditions and the like in a single membrane stack, and cannot realize predictive maintenance and refined energy consumption management. Disclosure of Invention The invention aims to overcome the defects of the prior art and provides an integrated membrane stack fast-assembling structure and an intelligent management method. In order to achieve the above purpose, the technical scheme provided by the invention is as follows: an integrated membrane stack fast-assembling structure comprises a fixed main frame and a detachable intelligent membrane stack module; The fixed main frame is provided with an integrated interface socket and a guiding limit structure, and is internally provided with a first pipe network connected with the integrated interface socket, wherein the first pipe network comprises a first power supply circuit, a first communication circuit and a first fluid pipeline group which are communicated with the outside; The detachable intelligent membrane stack module is provided with an integrated interface plug and a locking mechanism, an ultrafiltration membrane structure and a second pipe network connected between the integrated interface plug and the ultrafiltration membrane structure are arranged in the detachable intelligent membrane stack module, and the second pipe network comprises a second power supply circuit, a second communication circuit and a second fluid pipeline group; Under the cooperation of the guide limiting structure and the locking mechanism, the detachable intelligent membrane stack module is inserted into the integrated interface socket of the fixed main frame in a blind insertion mode, so that the first pipe network and the second pipe network are connected in a quick locking mode. In the technical scheme, the fixed main frame integrates a first power line, a first communication line and a first fluid pipeline group which are communicated with the outside, the ultrafiltration membrane structure (comprising a membrane component) and a second pipeline which is matched with the ultrafiltration membrane structure to be used are integrated in the detachable intelligent membrane stack module, and the detachable intelligent membrane stack module is matched with the integrated interface socket through the integrated interface plug, so that all the fluid pipelines, the power pipeline, the communication pipeline and the ultrafiltration membrane structure are quickly locked and connected, and not only can be used in a plug-and-play manner, but also can be replaced in one step, the disassembly and assembly efficiency is improved, the technical level requirements on site disassembly and ass