CN211546080U

CN211546080U - Glass filter membrane substrate and filtering equipment using same

Info

Publication number: CN211546080U
Application number: CN201921505515.1U
Authority: CN
Inventors: 李军; 秦燕云; 刘浩然
Original assignee: Individual
Current assignee: Chengdu Hongjian Zhuoyun Environmental Protection Technology Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-09-22
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a glass filters membrane substrate and uses this glass to filter membrane substrate's filtration equipment belongs to sewage treatment technical field. At least one surface of the glass filter membrane substrate is a nicked surface, a nick which is straight-through up and down is arranged on the nicked surface, and the nick comprises a first nick section, a second nick section and a third nick section which are sequentially arranged on the nicked surface from top to bottom. The utility model also provides a filtration equipment of using this glass filtration membrane substrate. The utility model discloses a glass filters membrane substrate and uses this glass to filter membrane substrate's filtration equipment's hole through, and the back flush is easy, is difficult for blockking up, has avoidd current membrane and has blockked up and wash difficult problem. The glass filter membrane substrate of the utility model has extremely long service life in water, and effectively solves the problem of short service life of the existing membrane. Meanwhile, the problem of high construction cost of the biochemical pool and the dependence of the existing membrane on the membrane grating are solved.

Description

Glass filter membrane substrate and filtering equipment using same

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to glass filters membrane substrate and uses this glass to filter membrane substrate's filtration equipment.

Background

China is a water-deficient country, and sewage treatment and recycling are effective measures for developing and utilizing water resources. The sewage recycling is to treat urban sewage and industrial sewage by a membrane bioreactor and other equipment, and then use the treated sewage for non-drinking purposes such as greening, flushing, ornamental water body supplementing and the like, and use clean water for high water quality requirements such as drinking and the like. Urban sewage and industrial sewage can be obtained nearby, long-distance water delivery can be omitted, near treatment is realized, water resources are fully utilized, and meanwhile, sewage is treated nearby, and sewage leakage caused by the sewage in the long-distance delivery process can be prevented, so that underground water sources are polluted. Sewage reuse has been widely adopted in many water-deficient regions of the world.

The membrane bioreactor is a new sewage treatment process combining a membrane separation technology and a bioreactor, membrane separation and biodegradation are combined, a membrane separation device is used for replacing a secondary sedimentation tank in a common bioreactor, and therefore a high-efficiency solid-liquid separation effect is achieved. MBR membrane materials in the prior art are easy to oxidize in water, and are easy to tear and have short service life due to continuous backwashing and suction in the use process; in addition, in the prior art, the pores of the membrane are not straight, so that blockage is caused, backwashing is difficult, the water passing rate is reduced rapidly along with the time extension of the blockage of the pores, and the membrane rapidly loses efficacy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problems in the prior art and providing a glass filtering membrane substrate and a filtering device using the same.

The utility model provides a glass filtration membrane substrate, this glass filtration membrane substrate have one face at least to be the nick face, be equipped with straight-through nick from top to bottom on the nick face.

Preferably, the glass substrate is a flat glass having a thickness of less than 0.3 mm.

Preferably, the surface of the glass substrate is coated with a hydrophobic coating.

Preferably, the nick comprises a first nick section, a second nick section and a third nick section which are sequentially arranged on the nick surface from top to bottom, the first nick section comprises a plurality of first longitudinal nicks, the second nick section is a horizontal nick which is communicated along the horizontal direction, the third nick section comprises a plurality of second longitudinal nicks, and the distance between every two adjacent first longitudinal nicks is smaller than that between every two adjacent second longitudinal nicks.

The utility model provides a filter element made of the glass filtering membrane, which is formed by stacking a plurality of glass filtering membrane substrates, when the glass filtering membrane substrates have a nicked surface, the interface of any two adjacent glass substrates jointly forms a plurality of water passing channels by the nicked surface of one glass substrate and the non-nicked surface of the other glass substrate;

when the two surfaces of the glass filter membrane substrate are both scored surfaces, the interface of any two adjacent glass substrates forms a plurality of water passing channels by the scored surface of one glass substrate and the scored surface of the other glass substrate.

Preferably, when both sides of the glass filter membrane substrate are scored surfaces, a PET plate is further arranged between any two adjacent glass substrates, and the scored surfaces of the two glass substrates and the PET plate form a plurality of water passing channels.

The utility model provides a filter element group spare that constitutes by above-mentioned glass filtration membrane filter core, this filter element group spare is formed by the concatenation of a plurality of independent filter core units, every filter core unit all includes support piece, lower support piece, holder and filter core, the filter core sets up between last support piece and lower support piece, and the filter core, goes up support piece and the periphery of lower support piece and pass through the viscose and be connected with the inside wall of holder.

Preferably, the biochemical pool vertical pipe comprises a vertical pipe body, and a plurality of filter element units are uniformly arranged on the outer wall of the vertical pipe body.

Preferably, the biochemical pool comprises a pool body and a plurality of biochemical pool vertical pipes, wherein the biochemical pool vertical pipes are vertically arranged in the pool body, a partition plate is arranged at the bottom of the pool body, and a water outlet is arranged on the pool body below the partition plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a glass filtration membrane has following advantage:

(1) the utility model discloses the water channel that glass filters membrane substrate constitution is direct structure, and it is easy to have the back flush, and the difficult advantage of blockking up has avoidd current membrane jam and has washed the difficulty problem.

(2) The glass filter membrane substrate of the utility model has extremely long service life in water, and effectively solves the problem of short service life of the existing membrane.

(3) The utility model provides a biochemical pond construction problem with high costs: can realize the high-efficient processing to sewage through reasonable membrane quantity, solve because the membrane among the prior art easily blocks, need compensate through increasing a large amount of membranes, cause building (pond) big, make the problem of construction cost increase.

(4) The glass filter membrane substrate of the utility model can be a flat glass membrane, and the entanglement such as hair has no influence on the glass filter membrane substrate, thereby solving the dependence of the existing membrane on the membrane grating.

Drawings

FIG. 1 is a schematic structural view of a glass filter membrane substrate according to the present invention;

FIG. 2 is a schematic view of the structure of part A of the glass filter membrane substrate of the present invention;

FIG. 3 is a schematic structural view of the filter element after the glass filter membrane substrates of the present invention are stacked;

FIG. 4 is a schematic view of a filter element with a double-sided indented glass filter membrane substrate according to the present invention;

FIG. 5 is a schematic view showing the positional relationship between two double-sided scored glass filter membrane substrates and a PET sheet according to the present invention;

fig. 6 is a top view of the filter element unit of the present invention;

FIG. 7 is a sectional view taken along line A-A of the filter cartridge unit of the present invention;

fig. 8 is a schematic structural view of the stand pipe body and the filter element unit of the present invention;

FIG. 9 is a schematic structural view of the biochemical tank of the present invention;

FIG. 10 is a sectional view taken along line A-A of the biochemical tank of the present invention.

Description of reference numerals:

1. the glass substrate, 2, a first nick section, 3, a first longitudinal nick groove, 4, a second nick section, 5, a third nick section, 6, a PET plate, 7, a filter element unit, 71, an upper support piece, 72, a lower support piece, 73, a retainer, 74, a filter element, 8, a vertical pipe body and 9, a biochemical pool.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings 1-10, but it should be understood that the scope of the present invention is not limited by the detailed description. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a pair of glass filtration membrane substrate, this glass filtration membrane substrate 1 have at least one face to be the nick face, be equipped with straight-through nick from top to bottom on the nick face, this embodiment nick is straight-through, has overcome the easy shortcoming of blockking difficult back flush of current membrane.

Wherein the glass substrate 1 is a flat glass having a thickness of less than 0.3 mm. The flat glass can avoid the influence of the winding on the film, so that the film grid can be omitted.

Wherein the surface of the glass substrate 1 is coated with a hydrophobic coating.

Wherein, the nick includes that top-down is equipped with first nick section 2, second nick section 4 and third nick section 5 in proper order on the nick face, first nick section 2 includes a plurality of first vertical nicks 3, and second nick section 4 is the horizontal nick that link up along the horizontal direction, and third nick section 5 includes a plurality of vertical nicks of second, and the interval of two adjacent first vertical nicks 3 is less than the interval of two adjacent vertical nicks of second. It should be noted that the first score section 2, the second score section 4 and the third score section 5 are vertically connected. In order to avoid the problem of long and thin seams, the scores of the score surfaces are reasonably designed, so that the laminated glass filtering membranes have the functions of difficult blockage during water inlet and easy back flush. The first longitudinal groove 3, the horizontal groove and the second longitudinal groove are all used for realizing micro nicking by adopting photoetching or etching technology.

The filter element made of the glass filter membrane is formed by laminating a plurality of glass filter membrane substrates 1, when the glass filter membrane substrates 1 have a nicked surface, the nicked surface of one glass substrate 1 and the non-nicked surface of the other glass substrate 1 form a plurality of water passing channels together at the interface of any two adjacent glass substrates 1;

when the two surfaces of the glass filter membrane substrate 1 are both scored surfaces, the interface of any two adjacent glass substrates 1 is formed by the scored surface of one glass substrate 1 and the scored surface of the other glass substrate 1 together to form a plurality of water passing channels. As shown in fig. 4, the notches of two adjacent glass substrates 1 are arranged in a staggered manner, so that the number of gaps can be increased, and the water passing efficiency can be increased.

When the two surfaces of the glass filter membrane substrate 1 are both indented surfaces, a PET plate 6 is also arranged between any two adjacent glass substrates 1, and the indented surfaces of the two glass substrates 1 and the PET plate 6 form a plurality of water passing channels. By adding the PET sheet 6 without scores, the raw material cost and the processing cost are reduced while the increase in the number of slits is realized.

The filter element assembly that constitutes by above-mentioned glass filtration membrane filter core, this filter element assembly is formed by the concatenation of a plurality of independent filter element units 7, every filter element unit 7 all includes support piece 71, under bracing piece 72, holder 73 and filter core 74, filter core 74 sets up between last support piece 71 and under bracing piece 72, and filter core 74, upper bracing piece 71 and under bracing piece 72's periphery is passed through the viscose and is connected with the inside wall of holder 73.

The utility model provides a biochemical pond riser, includes riser body 8, evenly be provided with a plurality of filter core units 7 on the riser body 8 outer wall.

A biochemical pool is characterized in that a biochemical pool vertical pipe is vertically arranged in a pool body 9, a partition plate is arranged at the bottom of the pool body 9, and a water outlet is arranged on the pool body below the partition plate.

Examples

Taking a sewage treatment plant for treating five thousand tons of domestic sewage every day as an example, the plate glass membrane of the utility model is vertically arranged at the tail end of a biochemical tank.

1. The number of unit filter elements: 5 ten thousand tons of sewage, the water flow of the unit filter element (45 multiplied by 45mm) is measured according to 5 liters, the water passing area of 1000 square meters is needed, and the total number of the unit filter elements is as follows: 1000/0.045/0.045 ═ 493827.16 (pieces);

2. total number of risers: riser diameter 200 mm, height 5700 mm, 12 45 x 45 cartridge units per tier row of risers, pitch: 60 mm, 94 layers in a row, and the number of unit filter elements which can be arranged in a single vertical pipe is as follows: 94 × 12 ═ 1128 (pieces), total number of risers required: 493827 is 437.78 (pieces).

3. The size of the pool is as follows: 6800 × 6800 × 6400mm, a partition is arranged in the pool, the partition divides the pool into two water tanks, the upper part is a sewage inlet pool, the lower water tank stores filtered water, the vertical pipes are 5700 mm long, 21 rows are arranged horizontally, 21 rows are arranged vertically, 441 vertical pipes are immersed in the pool.

Through detection, the effluent treated by the biochemical tank can reach the surface class 4 water quality (COD 30, ammonia nitrogen 1.5, BOD5.6, total phosphorus 0.3, total nitrogen 1.5 and feces large intestine 20000).

Because the membrane is a flat membrane, entanglement such as hair in water does not affect the membrane, and a membrane grid can be omitted.

Because the water passing rate of the single plates is 5 liters per hour, and the single plates are vertically arranged, the occupied area is smaller than that of the conventional MBR membrane, and the tank capacity is saved, thereby saving the construction cost.

The service life is 5 times of that of the conventional MBR membrane.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The glass filter membrane substrate is characterized in that at least one surface of the glass filter membrane substrate (1) is a scored surface, and the scored surface is provided with straight-through scores; the nick includes that top-down is equipped with first nick section (2), second nick section (4) and third nick section (5) in proper order, first nick section (2) include a plurality of first vertical nicks (3), and second nick section (4) are the horizontal nick that link up along the horizontal direction, and third nick section (5) include a plurality of second vertical nicks, and the interval of two adjacent first vertical nicks (3) is less than the interval of two adjacent second vertical nicks.

2. The glass-filtration membrane substrate according to claim 1, wherein the glass-filtration membrane substrate (1) is a flat glass having a thickness of less than 0.3 mm.

3. The glass-filtration membrane substrate according to claim 1, wherein the surface of the glass-filtration membrane substrate (1) is coated with a hydrophobic coating.

4. A filter element made of glass filter membrane substrates according to any of claims 1 to 3, wherein the filter element is formed by stacking a plurality of glass filter membrane substrates (1), wherein when the glass filter membrane substrates (1) have a scored surface, the interface of any two adjacent glass filter membrane substrates (1) is formed by the scored surface of one of the glass filter membrane substrates (1) and the unscored surface of the other glass filter membrane substrate (1) together to form a plurality of water passing channels;

when the two sides of the glass filtering membrane substrates (1) are respectively provided with a scored surface, the interface of any two adjacent glass filtering membrane substrates (1) is formed by the scored surface of one glass filtering membrane substrate (1) and the scored surface of the other glass filtering membrane substrate (1) together to form a plurality of water passing channels.

5. A filter element made of glass filter membrane substrates according to claim 4, wherein when both sides of the glass filter membrane substrates (1) are scored, a PET plate (6) is further arranged between any two adjacent glass filter membrane substrates (1), and the scored surfaces of the two glass filter membrane substrates (1) and the PET plate (6) form a plurality of water passing channels.

6. The filter element assembly formed by the filter element according to claim 4, wherein the filter element assembly is formed by splicing a plurality of independent filter element units (7), each filter element unit (7) comprises an upper supporting piece (71), a lower supporting piece (72), a retainer (73) and a filter element (74), the filter element (74) is arranged between the upper supporting piece (71) and the lower supporting piece (72), and the peripheries of the filter element (74), the upper supporting piece (71) and the lower supporting piece (72) are connected with the inner side wall of the retainer (73) through adhesive.

7. The biochemical pool vertical pipe formed by the filter element component according to claim 6, which comprises a vertical pipe body (8), wherein a plurality of filter element units (7) are uniformly arranged on the outer wall of the vertical pipe body (8).

8. The biochemical pool formed by the biochemical pool vertical pipes according to claim 7 is characterized by comprising a pool body (9) and a plurality of biochemical pool vertical pipes, wherein the biochemical pool vertical pipes are vertically arranged in the pool body (9), a partition plate is arranged at the bottom of the pool body (9), and a water outlet is arranged on the pool body below the partition plate.