CN114057255A

CN114057255A - Micropore aeration dish for sewage treatment

Info

Publication number: CN114057255A
Application number: CN202111396796.3A
Authority: CN
Inventors: 卢焕珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-02-18

Abstract

The invention relates to the field of sewage treatment equipment, and discloses a microporous aeration disc for sewage treatment, which comprises a disc shell, wherein the top of the disc shell is fixedly connected with a membrane disc, an aeration membrane sleeve is movably sleeved on the outer side of the upper half part of the disc shell, micropores are formed in the top of the aeration membrane sleeve, a linkage membrane sleeve is arranged on the outer side of the upper half part of the disc shell, the linkage membrane sleeve is positioned on the inner side of the aeration membrane sleeve, and the bottom of the disc shell is aerated for aeration. Cover the outside and the top of first one of disc casing completely through aeration membrane cover, the outside linkage membrane cover that is located aeration membrane cover inboard that sets up of cooperation disc casing, when aeration was carried out in the bottom of disc casing, linkage membrane cover is protruding to the outside inflation earlier when atmospheric pressure increases for the outside of aeration membrane cover is protruding tensile thereupon, thereby makes aeration membrane cover top evenly tensile, and gaseous rethread micropore gets into the aquatic and forms even bubble, improves the aeration effect.

Description

Micropore aeration dish for sewage treatment

Technical Field

The invention relates to the field of sewage treatment equipment, in particular to a microporous aeration disc for sewage treatment.

Background

When industrial sewage treatment such as slaughtering, chemical industry, the suspended solid impurity of aquatic is detached to air floatation method commonly used, and micropore aeration dish is the equipment commonly used among the aeration sewage treatment system, utilizes the air to produce a large amount of micro bubbles through micropore aeration dish for suspended solid impurity in the sewage adsorbs the come-up to the surface of water behind the micro bubble, forms the dross, thereby is convenient for clear up the dross.

The existing microporous aeration disc mainly comprises a disc shell, a film disc and an elastic film, and the pressure introduced by air is utilized, so that the elastic film expands and bulges, the air flows out from micropores on the elastic film to form micro bubbles, however, in the aeration process, the deformation degree of the middle part of the elastic film is greater than the deformation degree of the periphery of the elastic film, so that the air mostly enters sewage from the micropores in the middle part of the elastic film, the opening amplitude of the micropores in the middle part of the elastic film is greater than the opening amplitude of the micropores in the periphery of the elastic film, the bubbles are uneven, the aeration quality is influenced, and after the aeration disc is used for a long time, the plastic fatigue degree of the middle part of the elastic film is greater, the pore diameter of the micropores in the part is larger, the bubbles flowing through the part mainly are enlarged, the integral aeration quality is reduced, and the sewage treatment effect is influenced.

Disclosure of Invention

The invention provides a microporous aeration disc for sewage treatment, which has the advantage of high aeration quality and solves the technical problems mentioned in the background technology.

In order to achieve the above purpose, the invention provides the following technical scheme to realize: the utility model provides a micropore aeration dish for sewage treatment, includes the disc casing, the top fixedly connected with membrane disc of disc casing, the outside movable sleeve of first one of disc casing is equipped with aeration membrane sleeve, aeration membrane sleeve's top is equipped with the micropore, the outside of first one of disc casing is equipped with linkage membrane sleeve, and linkage membrane sleeve is located aeration membrane sleeve's inboard, when aerating in the bottom of disc casing, linkage membrane sleeve is protruding to the outside inflation earlier when atmospheric pressure increases.

Optionally, the bottoms of the two sides of the upper half of the disc casing are both provided with vent holes, the vent holes are located on the inner side of the linkage membrane sleeve, the inner cavity of the upper half of the disc casing is movably sleeved with a piston plate located above the vent holes, the middle part of the piston plate is fixedly sleeved with a longitudinal sliding tube, the bottom end of the longitudinal sliding tube extends to the lower half of the disc casing, the outer side of the longitudinal sliding tube is movably attached to the inner wall of the lower half of the disc casing, the two sides of the top of the longitudinal sliding tube are both provided with vent grooves located above the piston plate, the top of the inner cavity of the longitudinal sliding tube is movably sleeved with a piston block, the piston block can completely block the vent grooves, the top of the piston block is fixedly connected with a spring, the top end of the spring is fixedly connected with a sealing plate, the middle part of the membrane plate is provided with a valve port located above the sealing plate, and the sealing plate can completely block the valve port, and a gas injection pipe is arranged at the bottom end of the upper half part of the disc shell.

Optionally, the bottom end of the upper half part of the disc housing is fixedly connected with a limiting plate, the limiting plate is movably sleeved outside the lower half part of the disc housing, and the top of the limiting plate and the bottom end of the upper half part of the disc housing compress, fix and seal the bottom of the aeration membrane sleeve.

Optionally, the bottom of the inner cavity of the upper half part of the disc shell is provided with a limiting shaft, and the top of the limiting shaft is located above the vent hole.

Optionally, the top of the membrane disc is provided with a groove, the groove is communicated with the valve port, and the micropores at the top of the aeration membrane sleeve are all positioned at the inner side of the groove.

Optionally, the two sides inside the longitudinal sliding pipe are both provided with a clamping block, and the vertical distance between the top of the clamping block and the center of the vent groove is half of the height of the piston block.

The invention provides a microporous aeration disc for sewage treatment, which has the following beneficial effects:

1. the micropore aeration disc for sewage treatment completely covers the outer side and the top of the upper half part of a disc shell through an aeration membrane sleeve, a linkage membrane sleeve which is arranged outside the disc shell and is positioned at the inner side of the aeration membrane sleeve is matched, when aeration is carried out at the bottom of the disc shell, the linkage membrane sleeve firstly expands outwards to form a bulge when air pressure is increased, so that the outer side of the aeration membrane sleeve is bulged and stretched along with the bulge, the top of the aeration membrane sleeve is uniformly stretched, gas enters water through micropores to form uniform bubbles, the aeration effect is improved, compared with the existing micropore aeration disc, the defect that the middle deformation degree of an elastic membrane is larger than the peripheral deformation degree of the elastic membrane is effectively avoided in the aeration process, most of air enters sewage from the micropores at the middle part of the elastic membrane, the opening amplitude of the micropores at the middle part of the elastic membrane is larger than the opening amplitude of the peripheral micropores of the elastic membrane, the bubbles are not uniform, and the aeration quality is influenced, and after long-term use, the pore diameter of the micropores at the position is larger due to larger plastic fatigue degree at the middle part of the elastic membrane, so that bubbles mainly flowing through the position are enlarged, and the integral aeration quality is reduced.

2. This micropore aeration dish for sewage treatment through the structural design of the vertical slide pipe, piston plate, closing plate with linkage membrane cover inflation shrink linkage in the disc casing, when finishing the aeration, can utilize linkage membrane cover to resume the shrink for closing plate shutoff valve port rapidly prevents that outside water from entering into the disc casing through the micropore on the aeration membrane cover, causes the problem of micropore jam on the aeration membrane cover easily.

Drawings

FIG. 1 is a schematic structural view of a microporous aeration disk according to the present invention in a non-aerated state;

FIG. 2 is a schematic view of the aeration structure of the microporous aeration disk of the present invention;

fig. 3 is a schematic view of the aeration structure of the microporous aeration disk of the present invention.

In the figure: 1. a disc housing; 101. a limiting shaft; 102. a vent hole; 2. a membrane disc; 201. a valve port; 202. a groove; 3. an aeration membrane sleeve; 4. linkage membrane sleeves; 5. a longitudinal slide tube; 501. a vent channel; 502. a piston block; 503. a limiting sleeve; 6. a piston plate; 7. a sealing plate; 8. a plate is defined.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1, a microporous aeration disc for sewage treatment, comprising a disc housing 1, a top fixedly connected with a membrane disc 2 of the disc housing 1, an aeration membrane sleeve 3 movably sleeved on the outer side of the upper half of the disc housing 1, micropores provided on the top of the aeration membrane sleeve 3 and opened when the aeration membrane sleeve 3 is stretched, a linkage membrane sleeve 4 provided on the outer side of the upper half of the disc housing 1, the linkage membrane sleeve 4 located on the inner side of the aeration membrane sleeve 3, when aeration is performed at the bottom of the disc housing 1, the linkage membrane sleeve 4 expands and protrudes to the outside first when the air pressure is increased, so that the outer side of the aeration membrane sleeve 3 is protruded and stretched accordingly, the micropores on the top of the aeration membrane sleeve 3 are exposed, air enters sewage from the micropores on the top of the aeration membrane sleeve 3 to form bubbles, and the bubbles adsorb impurities in the water and float to the water surface, thereby completing the treatment of the sewage impurities.

Make aeration membrane cover 3 outsides expand through 4 inflation of linkage membrane cover and stretch, thereby make 3 top evenly stretched of aeration membrane cover, gaseous rethread micropore gets into the aquatic and forms even bubble, compare in current micropore aeration dish, the effectual aeration in-process of having avoided, 3 middle part deformation degree of aeration membrane cover is greater than its outlying deformation degree, make the micropore at 3 middle parts of aeration membrane cover of most follow the air get into in the sewage, it is big to lead to 3 middle part micropores of aeration membrane cover to open the range than its periphery micropore and open the range, it is inhomogeneous to lead to the bubble, influence the aeration quality, and long-term after using, because of the plasticity fatigue degree at 3 middle parts of aeration membrane cover is great, the micropore aperture that leads to this position is great, make the bubble grow of this department of mainly flowing through, the problem of whole aeration quality has been reduced.

Specifically, the bottom of the two sides of the upper half of the disc housing 1 is provided with vent holes 102, the vent holes 102 are located on the inner side of the linkage membrane sleeve 4, the inner cavity of the upper half of the disc housing 1 is movably sleeved with a piston plate 6 located above the vent holes 102, the middle part of the piston plate 6 is fixedly sleeved with a longitudinal sliding tube 5, the bottom end of the longitudinal sliding tube 5 extends to the lower half of the disc housing 1, the outer side of the longitudinal sliding tube 5 is movably attached to the inner wall of the lower half of the disc housing 1 to form sealing, so that air entering the bottom of the disc housing 1 flows upwards through the longitudinal sliding tube 5, the two sides of the top of the longitudinal sliding tube 5 are provided with vent grooves 501, the vent grooves 501 are located above the piston plate 6, the top of the inner cavity of the longitudinal sliding tube 5 is movably sleeved with a piston block 502, the piston block 502 can completely block the vent grooves 501, the top of the piston block 502 is fixedly connected with a spring, the top end of the spring is fixedly connected with a sealing plate 7, the middle part of the membrane disc 2 is provided with a valve port 201 positioned above the sealing plate 7, the sealing plate 7 can completely block the valve port 201, the bottom end of the upper half part of the disc shell 1 is provided with a gas injection pipe, gas is injected into a cavity below the piston plate 6 in the disc shell 1 through the gas injection pipe, and the piston block 502 is in a state of blocking the vent groove 501 and the sealing plate 7 is in a state of blocking the valve port 201.

When aeration is carried out to treat sewage, the bottom end of the disc shell 1 is fixedly connected to an air conveying main pipe, air enters from the bottom of the disc shell 1, under the action of input air pressure, the piston block 502 moves upwards and then enters the upper part of the piston plate 6, as shown in the state of figure 2, the air pressure above the piston plate 6 is increased, the piston plate 6 moves downwards, the air below the piston plate 6 is pressed into the inner side of the linkage membrane sleeve 4 through the air vent 102, the linkage membrane sleeve 4 expands outwards, so that the aeration membrane sleeve 3 is driven to expand outwards, the top of the aeration membrane sleeve 3 is in a uniformly stretched state, uniform micropores are exposed, as shown in the state of figure 3, as the air pressure above the piston plate 6 continues to increase, the sealing plate 7 moves downwards against the elastic force of the spring, the valve port 201 is opened, and the air flows out from the micropores at the top of the aeration membrane sleeve 3 through the valve port 201 to form bubbles, thereby adsorb the impurity of aquatic and come up to the surface of water, thereby accomplish aeration work, and when finishing the aeration, linkage membrane cover 4 resumes the shrink, and piston plate 6 below atmospheric pressure increases and shifts up, drives vertical slide tube 5 and shifts up wholly, makes closing plate 7 shutoff valve port 201 fast, prevents that outside water from entering into disc casing 1 through the micropore on the aeration membrane cover 3 in, causes the problem of disc casing 1 jam easily.

The bottom end of the upper half part of the disc shell 1 is fixedly connected with a limiting plate 8, the limiting plate 8 is movably sleeved on the outer side of the lower half part of the disc shell 1, the top of the limiting plate 8 and the bottom end of the upper half part of the disc shell 1 compress and fixedly seal the bottom of the aeration membrane sleeve 3, and the aeration membrane sleeve 3 is ensured to be stably sleeved on the outer side of the upper half part of the disc shell 1.

The bottom of the upper half inner cavity of the disc shell 1 is provided with a limiting shaft 101, and the top of the limiting shaft 101 is positioned above the vent hole 102, so that the air pressure above the piston plate 6 is increased, and when the piston plate 6 moves downwards, the piston plate cannot move to the lower part of the vent hole 102, so that when the ventilation is stopped, the linkage membrane sleeve 4 can be utilized to recover and contract, and the piston plate 6 moves to the original position again.

The top of the membrane disc 2 is provided with a groove 202, the groove 202 is communicated with the valve port 201, and the micropores at the top of the aeration membrane sleeve 3 are all positioned at the inner side of the groove 202, so that the air introduced through the valve port 201 uniformly flows out from the micropores of the aeration membrane sleeve 3.

The inside both sides of vertical slide tube 5 all are equipped with the fixture block, and the perpendicular interval value at the top of fixture block and air channel 501 center is half of piston block 502 height value, it is spacing to air channel 501 through the fixture block, prevent that piston block 502 from under the spring action of spring, remove the below of air channel 501, can't form effective seal, lead to part to flow into the gas transmission main of water backward flow below in the disc casing 1, and increase along with intraductal rivers, influence the problem of gas transmission efficiency, the fixed cover in top of vertical slide tube 5 is equipped with spacing sleeve pipe 503, the inboard of spacing sleeve pipe 503 does not contact with the outside of spring, utilize spacing sleeve pipe 503 spacing, prevent that piston block 502 from moving out the problem of vertical slide tube 5 under the atmospheric pressure.

When in use, when aeration and aeration are not carried out, the microporous aerator is in the state shown in figure 1, at the moment, the sealing plate 7 blocks the valve port 201 to prevent water from flowing back and entering, the piston block 502 is in the state of blocking the aeration groove 501, when gas is introduced into the bottom of the disc shell 1, the air pressure is increased, so that the piston block 502 overcomes the elasticity of the spring to move upwards, the air enters the cavity above the piston plate 6 in the disc shell 1, as shown in figure 2, at the moment, the spring is in a compression state, the pressure for blocking the valve port 201 by the sealing plate 7 is increased, the piston plate 6 is firstly moved downwards by the increase of the air pressure above the piston plate 6, the gas below the piston plate is pressed into the inner side of the linkage membrane sleeve 4 through the air hole 102, so that the outer side expansion bulge of the linkage membrane sleeve 4 is driven to drive the outer side expansion bulge of the aeration membrane sleeve 3, a uniform stretching state is formed on the top of the aeration membrane sleeve 3, and micropores on the top of the aeration membrane sleeve 3 are exposed, and in the process of moving the piston plate 6 downwards, the pressure of the spring on the sealing plate 7 is gradually reduced until the piston plate 6 moves to the position of the limiting shaft 101, after the pressure of the spring on the sealing plate 7 is reduced to a certain value, the air pressure above the piston plate 6 enables the sealing plate 7 to overcome the elasticity of the spring at the moment, the sealing plate 7 moves downwards to open the valve port 201, air flows through micropores on the top of the aeration membrane sleeve 3 and enters water to form bubbles for continuous aeration, as shown in the aeration state shown in figure 3, when the air introduction is stopped, the linkage membrane sleeve 4 immediately recovers to shrink, so that the piston plate 6 drives the longitudinal sliding pipe 5 to move upwards integrally, the air above the piston plate 6 is pressed out from the valve port 201, the piston block 502 moves downwards to block the vent groove 501, in the process, the pressure of the spring on the sealing plate 7 is gradually increased until the piston block 502 moves upwards to compress the spring to a certain degree, the air above the piston plate 6 cannot overcome the elasticity of the spring, so that the sealing plate 7 blocks the valve port 201, thereby preventing water from entering into the disc housing 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model provides a micropore aeration dish for sewage treatment, includes disc casing (1), the top fixedly connected with membrane dish (2) of disc casing (1), its characterized in that: the aeration membrane sleeve (3) is movably sleeved on the outer side of the upper half part of the disc shell (1), micropores are formed in the top of the aeration membrane sleeve (3), a linkage membrane sleeve (4) is arranged on the outer side of the upper half part of the disc shell (1), the linkage membrane sleeve (4) is located on the inner side of the aeration membrane sleeve (3), and when aeration is conducted at the bottom of the disc shell (1), the linkage membrane sleeve (4) firstly expands outwards to form a bulge when air pressure is increased.

2. A micro-porous aeration disc for sewage treatment according to claim 1, characterized in that: the bottom of the two sides of the upper half part of the disc shell (1) is provided with vent holes (102), the vent holes (102) are positioned at the inner side of the linkage membrane sleeve (4), the inner cavity of the upper half part of the disc shell (1) is movably sleeved with a piston plate (6) positioned above the vent holes (102), the middle part of the piston plate (6) is fixedly sleeved with a longitudinal sliding pipe (5), the bottom end of the longitudinal sliding pipe (5) extends to the lower half part of the disc shell (1), the outer side of the longitudinal sliding pipe (5) is movably attached to the inner wall of the lower half part of the disc shell (1), the two sides of the top part of the longitudinal sliding pipe (5) are provided with vent grooves (501), the vent grooves (501) are positioned above the piston plate (6), the top part of the inner cavity of the longitudinal sliding pipe (5) is movably sleeved with a piston block (502), and the piston block (502) can completely block the vent grooves (501), the top fixedly connected with spring of piston piece (502), the top fixedly connected with closing plate (7) of spring, the middle part of membrane dish (2) is seted up and is located valve port (201) of closing plate (7) top, and closing plate (7) can block off valve port (201) completely, the bottom of disc casing (1) first half is equipped with the gas injection pipe.

3. A micro-porous aeration disc for sewage treatment according to claim 1, characterized in that: the bottom end of the upper half part of the disc shell (1) is fixedly connected with a limiting plate (8), the limiting plate (8) is movably sleeved on the outer side of the lower half part of the disc shell (1), and the top of the limiting plate (8) and the bottom end of the upper half part of the disc shell (1) compress, fix and seal the bottom of the aeration membrane sleeve (3).

4. A micro-porous aeration disc for sewage treatment according to claim 1, characterized in that: the bottom of the inner cavity of the upper half part of the disc shell (1) is provided with a limiting shaft (101), and the top of the limiting shaft (101) is positioned above the vent hole (102).

5. A micro-porous aeration disc for sewage treatment according to claim 1, characterized in that: the top of the membrane disc (2) is provided with a groove (202), the groove (202) is communicated with the valve port (201), and micropores at the top of the aeration membrane sleeve (3) are positioned at the inner side of the groove (202).

6. A micro-porous aeration disc for sewage treatment according to claim 1, characterized in that: the two sides in the longitudinal sliding pipe (5) are respectively provided with a clamping block, and the vertical distance between the top of each clamping block and the center of the vent groove (501) is half of the height of the piston block (502).