CN217440798U

CN217440798U - Special flap valve for activated carbon flap filter

Info

Publication number: CN217440798U
Application number: CN202221352515.4U
Authority: CN
Inventors: 欧阳云生
Original assignee: Sichuan Oumeihua Environmental Engineering Co ltd
Current assignee: Sichuan Oumeihua Environmental Engineering Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-09-16
Anticipated expiration: 2032-06-01

Abstract

The utility model discloses an active carbon turns over special flap valve in board filtering pond disposes the hinge of floating below the valve frame, and the pool wall closing plate of valve frame all is provided with permanent magnet A by pool wall side, and pool wall closing plate steel sheet is hugged closely to permanent magnet A, forms a confined quadrangle. The left side and the right side of the door frame are provided with fan-shaped sealing plates, the outer fan-shaped surfaces of the fan-shaped sealing plates are fully distributed with permanent magnets, and the permanent magnets are tightly attached to the fan-shaped sealing plates. The valve include sealed support frame, multi-functional sealing strip and valve plate, multi-functional sealing strip contains mounting panel, O type compression ring, O type adsorption ring triplex. The floating hinge of the utility model thoroughly solves the problem of uneven stress of the sealing ring caused by the hinge; the valve seal adopts a multifunctional sealing strip, so that double sealing of the combination of the rubber compression ring and the magnetic seal is realized, and the rigidity of the valve is enhanced. Therefore, the reliability of valve sealing is greatly improved, and the loss of active carbon is further reduced.

Description

Special flap valve for activated carbon flap filter

Technical Field

The utility model relates to a sewage treatment technical field, what specifically say is an active carbon filtering pond pneumatic flap valve.

Background

In order to stably meet the requirements of GB5749-2006 sanitary Standard for Drinking Water, more and more activated carbon filters are applied in the advanced feedwater treatment technology, wherein the activated carbon flap filter has the advantages of simple structure, difficulty in material leakage, small quantity of backwashing water and the like, and is an activated carbon filter with a development prospect. The flap valve of the activated carbon flap filter has the characteristics of simple structure, quick water drainage and little activated carbon loss.

Because the valve frame and the valve are both made of plates, the length of the valve frame and the valve is generally 2-4 m, and the valve frame and the filter tank need to be watered for the second time when being installed, certain manufacturing and installing errors exist in the valve frame and the valve. In the opening process of the flap valve, the valve can form larger pressure on the turned hinge under the impact of water pressure, and is easy to bend and deform. The sealing performance of the flap valve is seriously influenced by errors and denaturation in manufacturing, installation and operation, and water is easy to leak. In order to improve the sealing performance of the flap valve, the currently proposed solution mainly adopts lip-shaped double sealing rings, such as patent CN200820055331.5, a flap valve for a filter chamber, and patent CN202023086860.1, a flap valve for a filter chamber.

However, in practical application, the lip seal still cannot completely solve the problem of water leakage of the flap valve, which is mainly to uniformly extrude the rubber sealing ring on the valve body onto the sealing plate of the valve frame to form effective sealing when the flap valve is closed. Because the valve body is turned and closed by taking the hinge as a center, the linear velocity of the rubber sealing ring on the valve body is inconsistent during rotation, so that the compression amount of the sealing ring on the upper side is large, the compression amount of the lower side is small, and effective sealing cannot be formed.

In order to solve the problem, the sealing performance of the flap valve is improved, the utility model provides a special flap valve for an activated carbon flap filter.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special flap valve in board filtering pond is turned over to active carbon solves the above problem that exists among the prior art, has adopted a hinge that floats, has increased the magnetic seal between valve and valve frame simultaneously, has formed to close occasionally rubber circle and magnetic seal double-seal, opens the in-process and has both sides self-adaptation magnetic seal, has greatly improved the sealing performance of flap valve.

The utility model discloses a realize like this, construct a special flap valve in board filtering pond is turned over to active carbon, its characterized in that: the device comprises a cylinder, a push-pull rod, a connecting rod mechanism, a driving rod, a valve frame and a valve, wherein the valve frame is arranged at a back flushing sewage discharge outlet of the activated carbon filter tank, the connecting rod mechanism is arranged on the opposite side wall of the sewage discharge outlet in the sewage discharge tank through a mounting seat, a floating hinge is configured below the valve frame, and the valve is connected with the valve frame through the floating hinge.

Further, the method comprises the following steps of; the valve frame consists of a runner port and a pool wall sealing plate, permanent magnets A are arranged on the sides, close to the pool wall, of the pool wall sealing plate, and the permanent magnets A are tightly attached to the pool wall sealing plate to form a closed quadrangle.

Further, the method comprises the following steps of; the left side and the right side of the valve frame are provided with fan-shaped sealing plates, the fan-shaped sealing plates are perpendicular to the pool wall sealing plates and abut against the outer ends of the valves, the fan-shaped sealing plates are fully distributed on the outer side fan surfaces, and the permanent magnets are tightly attached to the fan-shaped sealing plates.

Further, the method comprises the following steps of; the floating hinge comprises a rectangular base and a cylindrical rotating shaft, the rectangular base is fixed in a concave groove of the sealing plate on the lowest pool wall, a gap is formed in the cylindrical rotating shaft in the rectangular base in the horizontal direction, and the gaps on the left side and the right side of the cylindrical rotating shaft are 3 mm-6 mm.

Further, the method comprises the following steps of; the lowest side of the filter side of the pool wall sealing plate is provided with a concave groove, and the floating hinge is welded and installed in the concave groove, so that enough supporting force can be provided for the floating hinge, and deformation generated in rotation of the floating hinge is prevented. In addition, a rubber plate is required to be arranged below the floating hinge, one end of the rubber plate is fixed on the pool wall sealing plate, the other end of the rubber plate is fixed at the lower end of the valve, and water leakage at the lower end of the valve in the overturning process can be avoided.

Further, the method comprises the following steps of; the valve consists of a sealing support frame, a multifunctional sealing strip and a valve plate, wherein the sealing support frame is a rectangular frame welded by stainless steel section steel, and the multifunctional sealing strip is fixed on the sealing support frame through screws.

Further, the method comprises the following steps of; the multifunctional sealing strip is made of rubber and comprises an installation plate, an O-shaped compression ring and an O-shaped adsorption ring which are connected in a straight line, the O-shaped compression ring is close to the installation plate side, and the O-shaped compression ring is larger than the O-shaped adsorption ring.

Further, the method comprises the following steps of; magnetic carbon steel bars are arranged in the O-shaped adsorption rings; the position of the permanent magnet A needs to correspond to the O-shaped adsorption ring, and the magnetic carbon steel bars respectively form magnetic adsorption with the permanent magnet A and the permanent magnet B, so that the O-shaped adsorption ring is tightly pressed on the pool wall sealing plate and the fan-shaped sealing plate.

The utility model has the advantages of as follows: the utility model provides a pair of special flap valve in board filtering pond is turned over to active carbon, valve and valve frame have adopted the hinge that floats, and the hinge base is the rectangle, and its rigidity and intensity are high, can not warp under the extrusion force effect of valve upset, have ensured the required sealed precision of valve. In addition, a gap of 3 mm-6 mm exists between the hinge rotating shaft and the base in the rectangular horizontal direction, so that when the valve is rotated to a vertical sealing position, the horizontal movement required for sealing can be realized, a rubber sealing ring on the valve is uniformly pressed, the problem of nonuniform stress of the sealing ring caused by the hinge is thoroughly solved, and the sealing reliability is improved.

Additionally, the utility model provides a valve comprises support frame and valve plate, and its support frame is formed by the welding of stainless steel shaped steel, and this kind of rectangular frame's rigidity all improves with sealed required plane degree by a wide margin, has ensured the required size precision of valve seal.

In addition, the multifunctional sealing strip is provided with an O-shaped compression ring, an O-shaped adsorption ring is arranged on the outer side of the sealing strip, and a magnetic carbon steel strip is arranged in the O-shaped adsorption ring and can be tightly attached to a pool wall sealing plate of the door frame under the action of super-strong magnetic force generated by a permanent magnet in the valve frame. Because the O-shaped adsorption ring is smaller than the O-shaped compression ring, the compression sealing performance of the O-shaped compression ring cannot be influenced by the O-shaped adsorption ring, and meanwhile, the expansion amount can be automatically adjusted, so that the sealing problem caused by local deformation of the flap valve is solved, and double sealing combined with the O-shaped compression ring is formed.

In addition, in the process of opening the valve in a rotating manner, magnetic field force formed by the magnets in the fan-shaped sealing plates on the two sides can also generate an adsorption effect on the O-shaped adsorption ring of the multifunctional sealing strip, so that the O-shaped adsorption ring is tightly attached to the fan-shaped sealing plates, and flushing water can only flow out from the opening in the process of opening the valve.

To sum up, the flap valve special for the activated carbon flap filter adopts the floating type hinge, so that the problem of uneven stress of the sealing ring caused by the hinge is thoroughly solved; the valve seal adopts a multifunctional sealing strip, so that double sealing of the combination of the rubber compression ring and the magnetic seal is realized, and the rigidity of the valve is enhanced. Therefore, the reliability of valve sealing is greatly improved, and the loss of active carbon is further reduced.

Drawings

FIG. 1 is a schematic structural view of a flap valve special for an activated carbon flap filter of the present invention;

FIG. 2 is a schematic structural view of the valve frame and valve assembly of the present invention;

FIG. 3 is a horizontal sectional view of the valve frame and valve assembly of the present invention;

fig. 4 is the structural schematic diagram of the multifunctional sealing strip of the present invention.

Wherein: the device comprises a connecting rod mechanism 1, a driving rod 2, a push-pull rod 3, a cylinder 4, a valve frame 5, a valve 6, a fan-shaped sealing plate 7, a floating hinge 8, a runner port 9, a permanent magnet A10, a sealing plate 11, a sealing support frame 12, a multifunctional sealing strip 13, a valve plate 14, a rectangular base 15, a cylindrical rotating shaft 16, a permanent magnet B17, a mounting plate 18, an O-shaped compression ring 19, an O-shaped adsorption ring 20 and a magnetic carbon steel bar 21.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in fig. 1-4, the present invention provides a flap valve for an activated carbon flap filter, which can be implemented as follows; the device comprises an air cylinder 4, a push-pull rod 3, a link mechanism 1, a driving rod 2, a valve frame 5 and a valve 6, wherein the parts except the air cylinder 4 are generally made of 304 stainless steel, and the push-pull rod 3 and the driving rod 2 can be adjusted in length appropriately to meet the requirement of field preparation. When the device is installed on site, the valve frame 5 is installed at a back flush sewage discharge outlet of the activated carbon filter, the connecting rod mechanism 1 is installed on the opposite side wall of the sewage discharge outlet in the sewage discharge tank through the installation seat, the lower side of the valve frame 5 is provided with the floating hinge 8, and the valve 6 is connected with the valve frame 5 through the floating hinge 8.

When the utility model is implemented; the valve frame 5 consists of a runner port 9 and a pool wall sealing plate 11, permanent magnets A10 are arranged on the sides, close to the pool wall, of the pool wall sealing plate 11, and the permanent magnets A10 are tightly attached to the pool wall sealing plate 11 to form a closed quadrangle. And fan-shaped sealing plates 7 are arranged on the left side and the right side of the valve frame 5, the fan-shaped sealing plates 7 are perpendicular to the pool wall sealing plate 11 and abut against the outer end of the valve 6, permanent magnets B17 are fully distributed on the outer side fan surfaces of the fan-shaped sealing plates 7, and the permanent magnets B17 are tightly attached to the fan-shaped sealing plates 7. In implementation, the permanent magnet a10 and the permanent magnet B17 may be made of neodymium iron boron or ferrite, and the size is determined according to the magnetic force required by the magnetic seal.

When the utility model is implemented; the floating hinge 8 comprises a rectangular base 15 and a cylindrical rotating shaft 16, the rectangular base 15 is fixed in a concave groove of the bottom pool wall sealing plate 11, a gap is reserved in the horizontal direction of the cylindrical rotating shaft 16 in the rectangular base 15, and the gaps on the left side and the right side of the cylindrical rotating shaft are 3 mm-6 mm.

When the utility model is implemented; the lowermost side of the filter side of the wall sealing plate 11 has a concave groove in which the floating hinge 8 is welded, so that sufficient supporting force is provided for the floating hinge 8 to prevent the floating hinge 8 from being deformed during rotation. In addition, a rubber plate is required to be arranged below the floating hinge 8, one end of the rubber plate is fixed on the pool wall sealing plate 11, and the other end of the rubber plate is fixed at the lower end of the valve 6, so that water leakage at the lower end of the valve 6 in the overturning process can be avoided.

When the utility model is implemented; the valve 6 comprises a sealing support frame 12, a multifunctional sealing strip 13 and a valve plate 14, wherein the sealing support frame 12 is a rectangular frame welded by stainless steel section steel, and the multifunctional sealing strip 13 is fixed on the sealing support frame 12 through screws.

As shown in fig. 4, the multifunctional sealing strip 13 is made of rubber, and is composed of three parts, namely an installation plate 18, an O-shaped compression ring 19 and an O-shaped adsorption ring 20, which are linearly connected, wherein the O-shaped compression ring 19 is close to the installation plate 18 side, and the O-shaped compression ring 19 is larger than the O-shaped adsorption ring 20. The O-ring 20 has magnetic carbon steel strips 21 embedded therein. In the implementation process, the position of the permanent magnet a10 needs to correspond to the O-shaped adsorption ring 20, so that the magnetic carbon steel bars 21 and the permanent magnet a10 form magnetic adsorption respectively, and the O-shaped adsorption ring 20 is tightly pressed on the sealing plate 7.

The utility model relates to a special flap valve in board filtering pond is turned over to active carbon's working process as follows:

1. closing a valve: the flap valve is under the upward pulling force of the piston rod of the cylinder, and the push-and-pull rod drives the link mechanism to turn over upwards, so that the driving rod connected with the valve generates pulling force, and the valve is tightly attached to the sealing plate of the valve frame under the action of the pulling force. Because the valve and the lower end of the valve frame are connected by the floating type hinge, the rotating shaft of the hinge has a gap of 3 mm-6 mm in the horizontal left and right directions of the rectangular base, and therefore, the valve can move horizontally under the action of the pulling force, so that the O-shaped compression ring on the valve deforms uniformly, and the valve port is sealed effectively.

When the valve is closed, the O-shaped adsorption ring on the multifunctional sealing strip is close to the pool wall sealing plate of the valve frame, and the O-shaped adsorption ring can be tightly attached to the pool wall sealing plate of the valve frame under the magnetic action of the permanent magnet on the inner side of the sealing plate to form a second layer of sealing ring, so that the sealing reliability of the valve is ensured.

2. Opening a valve: a piston rod of the air cylinder is pushed downwards, the valve is turned over by 0-90 degrees by taking the floating type hinge as a circle center through the push-pull rod, the connecting rod mechanism and the driving rod, the O-shaped adsorption ring on the multifunctional sealing strip is separated from the pool wall sealing plate, and the O-shaped adsorption ring can be tightly attached to the fan-shaped sealing plate under the action of the magnetic force of the permanent magnet outside the fan-shaped sealing plate to form magnetic sealing on the left side and the right side of the valve; because the lower end of the floating hinge is also provided with the rubber sealing strip, when the valve is only opened to 45 degrees in the first stage, the backflushing wastewater can only be discharged through the upper end of the valve, and the activated carbon is not easy to run off due to high settling speed.

After the activated carbon is fully settled, the valve continues to do 90-degree turnover motion around the floating hinge, so that the liquid level can be effectively controlled, and the waste water is discharged.

Along with the change of the working body of the filter, the flap valve sequentially acts under the drive of the power source to complete the circular work of closing, half opening at 45 degrees, pausing, full opening, pausing and closing.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a special flap valve of board filtering pond is turned over to active carbon which characterized in that: the device comprises a cylinder (4), a push-pull rod (3), a connecting rod mechanism (1), a driving rod (2), a valve frame (5) and a valve (6), wherein the valve frame (5) is installed at a back flush sewage draining outlet of the activated carbon filter, the connecting rod mechanism (1) is installed on the opposite side wall of the sewage draining outlet in the sewage draining tank through a mounting seat, a floating hinge (8) is configured below the valve frame (5), and the valve (6) is connected with the valve frame (5) through the floating hinge (8).

2. The special flap valve for the activated carbon flap filter according to claim 1, which is characterized in that: the valve frame (5) comprises a runner port (9) and a pool wall sealing plate (11), wherein the pool wall sealing plate (11) is provided with a permanent magnet A (10) close to the pool wall side, and the permanent magnet A (10) is tightly attached to the pool wall sealing plate (11) to form a closed quadrangle.

3. The special flap valve for the activated carbon flap filter according to claim 1, which is characterized in that: the left side and the right side of the valve frame (5) are provided with fan-shaped sealing plates (7), the fan-shaped sealing plates (7) are perpendicular to the pool wall sealing plate (11) and abut against the outer end of the valve (6), the fan-shaped sealing plate (7) is fully distributed with permanent magnets B (17) on the outer side fan surface, and the fan-shaped sealing plates (7) are tightly attached to the permanent magnets B (17).

4. The special flap valve for the activated carbon flap filter according to claim 1, which is characterized in that: the floating hinge (8) comprises a rectangular base (15) and a cylindrical rotating shaft (16), the rectangular base (15) is fixed in a concave groove of the bottommost pool wall sealing plate (11), the cylindrical rotating shaft (16) has a gap in the horizontal direction of the rectangular base (15), and the gaps on the left side and the right side of the cylindrical rotating shaft are 3 mm-6 mm.

5. The special flap valve for the activated carbon flap filter according to claim 4, wherein: the lowest side of the filter side of the pool wall sealing plate (11) is provided with a concave groove, and the floating hinge (8) is welded in the concave groove, so that enough supporting force can be provided for the floating hinge (8) and the floating hinge (8) is prevented from deforming in rotation; in addition, a rubber plate is required to be arranged below the floating hinge (8), one end of the rubber plate is fixed on the pool wall sealing plate (11), the other end of the rubber plate is fixed at the lower end of the valve (6), and water leakage at the lower end of the valve (6) in the turning process can be avoided.

6. The special flap valve for the activated carbon flap filter according to claim 1, which is characterized in that: the valve (6) comprises a sealing support frame (12), a multifunctional sealing strip (13) and a valve plate (14), the sealing support frame (12) is a rectangular frame formed by welding stainless steel section steel, and the multifunctional sealing strip (13) is fixed on the sealing support frame (12) through screws.

7. The special flap valve for the activated carbon flap filter according to claim 6, which is characterized in that: the multifunctional sealing strip (13) is made of rubber and consists of three parts, namely an installation plate (18), an O-shaped compression ring (19) and an O-shaped adsorption ring (20), the three parts are linearly connected, the O-shaped compression ring (19) is close to the installation plate (18), and the O-shaped compression ring (19) is larger than the O-shaped adsorption ring (20).

8. The special flap valve for the activated carbon flap filter according to claim 7, which is characterized in that: a magnetic carbon steel strip (21) is arranged in the O-shaped adsorption ring (20); the position of the permanent magnet A (10) is required to correspond to the O-shaped adsorption ring (20), and the magnetic carbon steel bar (21) forms magnetic adsorption with the permanent magnet A (10) and the permanent magnet B (17) respectively, so that the O-shaped adsorption ring (20) is tightly pressed on the pool wall sealing plate (11) and the fan-shaped sealing plate (7).