CN211733928U

CN211733928U - Long-life membrane separator

Info

Publication number: CN211733928U
Application number: CN202020143984.XU
Authority: CN
Inventors: 王世光; 王懋宁
Original assignee: Harbin Wanshui Technology Co ltd
Current assignee: Harbin Wanshui Technology Co ltd
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-10-23
Anticipated expiration: 2030-01-22

Abstract

A long-life membrane separator. During the use of the membrane, membrane pollution and cleaning are inevitable during the membrane process. The membrane flux is gradually reduced due to membrane pollution, so that the membrane has a short service period and is even disposable. The utility model discloses the constitution includes: the long-life membrane separator is formed by left and right attaching and overlapping of a plurality of membranes (1), the right surface of each membrane is provided with a plurality of semi-micropores (2), the semi-micropores on the membranes and the adjacent membranes are overlapped and combined to form a micropore line, and the two ends of each membrane are provided with control plates and are controlled by the control plates to move and incline relative to the membranes so as to form a membrane state and a cleaning state respectively. The utility model is used for long-life membrane separator.

Description

Long-life membrane separator

The technical field is as follows:

the utility model relates to a membrane separation technical field, concretely relates to long-life membrane separator.

Background art:

the membrane separation technology becomes an important technology for solving the current problems of energy, resources and environmental pollution, and is applied to the fields of seawater desalination, environmental protection, petrochemical industry, energy-saving technology, clean production, biology, medicine, light industry, food, electronics, textile, metallurgical energy and bionics.

During the use of the membrane, membrane pollution and cleaning are inevitable during the membrane process. The membrane pollution causes the gradual reduction of the membrane flux, and further causes the membrane to have a short service period, even to be used for one time, and the invention is innovative exploration and attempt in the direction of prolonging the service life of the membrane.

The utility model has the following contents:

the utility model aims at providing a long-life membrane separator.

The above purpose is realized by the following technical scheme:

the utility model provides a long-life membrane separator, this long-life membrane separator is by a plurality of diaphragms about laminating, overlap and arrange and constitute, the right surface of diaphragm set up a plurality of half micropores, half micropore on the diaphragm with adjacent the diaphragm overlap and make up and form the micropore line, it is a plurality of the diaphragm both ends set up the control panel and through control panel control diaphragm relative movement and slope, can form membrane state and cleaning state respectively.

The long-life membrane separator is characterized in that the left end and the right end of the membrane are provided with two M shafts on the same straight line.

The long-life membrane separator is characterized in that a group of through holes are formed in the right surface of the membrane.

A method of separating a long life membrane separator, the method comprising the steps of: setting the right surface of the diaphragm as A surface, the left surface as B surface, the upper surface as C surface, the lower surface as D surface, the semi-micropore as E surface, setting the left control board at the left adjacent position of the leftmost diaphragm, setting the right control board at the right adjacent position of the rightmost diaphragm, the movement and inclination of the left and right control boards are controlled by the controller, when N diaphragms incline rightwards together, the superposition part of the two adjacent diaphragms, the sum of the dimension in the direction vertical to the C surface and the D surface and the width of the semi-micropore is less than the dimension in the same direction of the semi-micropore, at this time, the semi-micropore and the adjacent diaphragm form a diaphragm hole, the N diaphragms form a diaphragm surface adjacently, and locking the inclined position is the diaphragm state; the surface C of the diaphragm and the surface B of the adjacent diaphragm form a V-shaped groove, and particles and solutes smaller than the semi-micropores flow to the other surface of the diaphragm through the pore channel along with the process of the diaphragm;

when the membrane pollution reaches a certain degree, after the pressure difference in the membrane separator is increased to a set value, the controller starts the control panel to move and incline, N membranes incline leftwards and leftwards together, after the N membranes move, in the moving process, the surfaces C, D and E of the membranes are mechanically scraped with the adjacent surfaces A and B, the adsorption layers on the surfaces A and B are removed, when the N membranes move to a state that the semi-micropores are not blocked by the adjacent membranes, the membranes can clean the pollutants accumulated in the V-shaped groove, the pollutants accumulated in the V-shaped groove aggravate the concentration polarization phenomenon, and in order to clean the concentration polarization, a solid cone nozzle is arranged on one of two ends of the V-shaped groove, and the pollutants are periodically flushed by pulses to control the concentration polarization.

Has the advantages that:

1. the utility model discloses a membrane separator of N diaphragm overlapping arrangement combination solves membrane life weak point, changes the problem of duty, makes the diaphragm wash more effectively and thoroughly, is close initial membrane flux after the washing, and the circulation is reciprocal, and then prolongs membrane life, need not change the membrane even.

2. The utility model discloses the membrane state is to the cleaning state conversion, and at this in-process, C face, D face and the half micropore E face of diaphragm all take place machinery with adjacent A face, B facial mask piece and strike off, have clear away the adsorbed layer on A face and the B face. Through the process, the membrane is more comprehensively cleaned, and the cleaning efficiency is improved.

Description of the drawings:

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a perspective view of a diaphragm;

FIG. 3 is a schematic diagram of the diaphragm construction;

FIG. 4 is a schematic structural view of a membrane state;

FIG. 5 is a schematic view of the structure in a cleaning state;

in the figure: 1. a membrane; 2. a semi-microporous; 3. b surface; 4. c surface; 5. e surface; 6. surface A; 7. d surface; 8. a through hole; 9. and an M axis.

The specific implementation mode is as follows:

example 1:

the utility model provides a long-life membrane separator, this long-life membrane separator is by a plurality of diaphragms 1 about laminating, overlap and arrange and constitute, the right surface of diaphragm set up a plurality of half micropores 2, half micropore on the diaphragm with adjacent the diaphragm overlap and make up and form the micropore line, a plurality of the diaphragm both ends set up the control panel and through control panel control diaphragm relative movement and slope, can form membrane state and cleaning state respectively.

Example 2:

the long-life membrane separator according to embodiment 1, wherein the membrane sheet is provided with two M-shafts 9 on the same line at the left and right ends.

Example 3:

the long life membrane separator of embodiment 2 wherein the right surface of the membrane sheet is perforated with a set of through holes 8 to allow the solute and solution passing through the semi-micropores to be discharged from the other side of the membrane in the membrane state.

Example 4:

a method of separating a long life membrane separator, the method comprising the steps of: setting the right surface of the diaphragm as A surface 6, the left surface as B surface 3, the upper surface as C surface 4, the lower surface as D surface 7, the semi-micropore as E surface 5, the left adjacent position of the leftmost diaphragm as left side is set with left control board, the right adjacent position of the rightmost diaphragm as right side is set with right control board, the movement and inclination of the left and right control boards are controlled by the controller, when N diaphragms incline rightwards together, the superposition part of two adjacent diaphragms, the sum of the size perpendicular to the C surface and D surface direction and the width of the semi-micropore is smaller than the size of the semi-micropore in the same direction, at this time, the semi-micropore and the adjacent diaphragm form a diaphragm hole, the N diaphragms form a diaphragm surface adjacently, locking the inclined position is the diaphragm state, the C surface of the diaphragm and the B surface of the adjacent diaphragm form V-shaped groove, along with the proceeding of the diaphragm process, as the arrow direction of figure 4, the;

when the membrane pollution reaches a certain degree, after the pressure difference in the membrane separator is increased to a set value, the controller starts the control panel to move and incline, the N membranes incline leftwards and leftwards together, after the N membranes move, in the moving process, the surfaces C, D and E of the membranes are mechanically scraped off with the adjacent surfaces A and B, the adsorption layers on the surfaces A and B are removed, when the N membranes move to a state that the semi-micropores are not blocked by the adjacent membranes, the membranes can be in a cleaning state, pollutants accumulated in the V-shaped groove can be cleaned, the pollutants accumulated in the V-shaped groove aggravate the concentration polarization phenomenon, in order to clean the concentration polarization, a solid cone nozzle is arranged on one of two ends of the V-shaped groove, and the pollutants are periodically flushed by pulses to control the concentration polarization.

The membrane separator comprises N membranes, a membrane supporting and controlling device, a cylindrical cleaning rolling brush (hereinafter referred to as a rolling brush), a nozzle, a guide rail, a front sealing plate, a rear sealing plate, a box body, a connecting interface, a controller and the like, wherein the rolling brush and the nozzle are arranged above the membrane surface, and when the membranes reach a cleaning state, the rolling brush and the nozzle move downwards.

The working process is as follows: when N membranes are controlled by a control board to move and incline to a membrane state, the front sealing plate and the rear sealing plate respectively move in the box to seal the membrane separator, a membrane process can be started immediately, particles and solutes smaller than semi-micropores flow to the other surface of the membrane through a pore passage, when membrane pollution reaches a certain degree, the pressure difference in the membrane separator is increased to a set value, the front sealing plate and the rear sealing plate move outwards to separate from the membranes, a controller starts the control board to move and incline immediately, the membranes move and incline leftwards, the membrane state is converted to a cleaning state, in the process, the surfaces C, D and E of the membranes and the surfaces A and B adjacent to each other are mechanically scraped, and adsorption layers on the surfaces A and B are removed. After the cleaning state is reached, the rolling brush and the nozzle move downwards, the fine fiber bundle is fixed on the rolling brush, the rolling brush moves while rotating and moves respectively horizontally and vertically, the nozzle moves along with the rolling brush, meanwhile, water is sprayed for cleaning, the rolling brush and the nozzle move upwards after the cleaning is completed, the control panel moves and inclines to a membrane state, the front sealing plate and the rear sealing plate move the sealed separator in the box, and the membrane process starts again.

The innovation point of the technical scheme is a combination form of left-right laminating and overlapping of a plurality of membranes, and the structural form of the membranes is changed.

Claims

1. A long life membrane separator characterized by: the long-life membrane separator is formed by left and right attaching and overlapping of a plurality of membranes, a plurality of semi-micropores are formed in the right surface of each membrane, the semi-micropores in the membranes and the adjacent membranes are overlapped and combined to form a micropore line, a plurality of control plates are arranged at two ends of each membrane, the membranes are controlled to move and incline relatively by the control plates, and membrane states and cleaning states can be formed respectively.

2. The long life membrane separator of claim 1, wherein: the left end and the right end of the diaphragm are provided with two M shafts on the same straight line.

3. The long life membrane separator of claim 2, wherein: a group of through holes are formed in the right surface of the diaphragm.