CN111594691A - Integral deflector with seals wrapped together - Google Patents

Abstract

The invention discloses an integrated flow guide disc with a sealing ring coated together, which comprises a flow guide disc main body, a flow guide grid and a sealing disc, wherein the flow guide grid and the sealing disc are concentric and are sequentially arranged from outside to inside; the device is characterized in that a retainer ring is arranged between the flow guide grid and the sealing disc, and the sealing disc comprises a connecting ring and a plurality of central bosses; the retainer ring is connected with the connecting ring through the transition ring; an annular groove is defined by the outer circumferential wall of the connecting ring, the front surface or the back surface of the transition ring and the inner circumferential wall of the retainer ring, and a sealing rubber ring formed by rubber coating and injection molding is arranged in the annular groove. The check ring is additionally arranged between the guide grid and the sealing disc, so that the defects of insufficient strength and easy breakage between the guide disc main body and the sealing disc are overcome; the guide grid and the sealing disc are fused into a whole by the sealing rubber ring formed by encapsulation and injection molding, so that the defect that the sealing rubber ring frequently falls off is overcome; and need not artifical twice installation sealing washer, increased guiding plate intensity and life, promote the stability and the reliability of membrane system operation greatly.

Description

Integral deflector with seals wrapped together

technical field

The invention belongs to the technical field of water treatment, and in particular relates to an integrated guide plate covered with sealing rings.

Background technique

In engineering applications, due to the high pressure environment in which the disc tube membrane column is located, the deflector is easily deformed, and even the main body of the deflector is broken, the sealing ring is lost, and the dislocation occurs. This situation will directly lead to the series connection of the raw water and the produced water inside the membrane column, and the pressure connection between the raw water side and the produced water side, which will damage the entire membrane system, and the impact will be extremely serious. The existing membrane column often breaks at the connection between the main body of the guide plate and the sealing plate. The reason for the fracture is that when the membrane column is working, the internal pressure is large, the water flow disturbance is large, and the stress is concentrated, resulting in the guide plate at the weak connection. fracture occurs.

SUMMARY OF THE INVENTION

Aiming at the problems of stress concentration on the guide plate in the existing disc tube type membrane module, the guide plate is easy to be broken, the surface of the existing guide plate is easy to be fouled and blocked, and the sealing rubber ring is easy to fall off and dislocate. It is an integrated guide plate covered by the sealing ring of the dish-type reverse osmosis component for water treatment.

An integrated diversion disc covered with sealing rings, comprising a diversion disc main body, a diversion grille and a sealing disc; the diversion disc main body, the diversion grille and the sealing disc are concentric and are arranged in sequence from the outside to the inside A retaining ring is also arranged between the guide grille and the sealing disc, and the sealing disc includes a connecting ring and a plurality of central bosses; the thickness of the connecting ring is less than the thickness of the central boss; the The retaining ring is connected with the connecting ring through a transition ring, and the center line in the thickness direction of the transition ring is coincident with the center line in the thickness direction of the retaining ring, and the center line in the thickness direction of the transition ring is the thickness direction of the connecting ring. The centerlines of the rings coincide; an annular groove is formed by the outer circumferential wall of the connecting ring, the front or back of the transition ring, and the inner circumferential wall of the retaining ring, and an annular groove is provided in the annular groove. Formed sealing gasket.

In the above-mentioned integrated diversion disc covered with sealing rings, the sealing rubber ring is obtained by injection molding in the annular groove through the overmolding process, and the sealing disc and the diversion grille are connected by the sealing rubber ring. It is integrated into one, which does not match with the separate sealing ring provided on the main body of the current deflector, and often falls off, which can largely solve the technical defects of easy falling off and dislocation of the sealing rubber ring; The grille is integrated with the sealing disc, which solves the defect that the guide disc is easily broken to a certain extent.

Further, the sealing rubber ring is made of EPDM, TPV or silicone rubber injection; the integrated guide plate covered with the sealing ring is made of ABS, MABS or stainless steel except the sealing rubber ring. One time molding.

Further, the sealing rubber ring located on the front side of the transition ring and the sealing rubber ring located on the reverse side of the transition ring are connected by a connecting column passing through the transition ring, and the connecting column is connected to the The sealing rubber ring is made of the same material.

Further, the baffle ring is located at the proximal end of the inner ring of the guide grille, and connects all the single grid sheets of the guide grille as a whole.

Further, the height of the single grid sheet is consistent with the height of the retaining ring; the width of the ribs of the retaining ring is 1.0 mm.

Further, the number of the central bosses is six, and the center of the integrated guide plate covered by the sealing ring is distributed in an annular array; Produced water collection hole.

Further, one side of the at least five central bosses is provided with a positioning convex column, and the other side is provided with a positioning concave hole corresponding to the positioning convex column, and the positioning convex column can be inserted into the positioning convex column. inside the hole.

Further, the thickness of the transition ring is not less than 1.5mm.

Further, the front and back sides of the main body of the deflector are provided with convex points; the convex points are distributed on the front and back of the main body of the deflector in an annular array, and are formed by the center of the main body of the deflector. The side away from the center of the circle is a multi-circle annular array, and the centers of the annular arrays are the same.

Further, the density of the convex points on the front or the back of the main body of the deflector, the density of 3-5 circles inward from the outer circumference is higher than the density of the distribution of the convex points in each circle inside.

Further, the shape of the convex point is a dome cone.

The beneficial effect of the present invention is reflected in: a retaining ring structure is added between the guide grille and the sealing disc, the shape of the baffle ring is a circular ring, and the position is near the end of the inner ring of the guide grille. The body is connected as a whole to increase its strength, and the other function is to form an annular groove, which is conducive to secondary overmolding to obtain an integrated sealing rubber ring; the baffle ring and the sealing disc are covered with a material different from the main body of the guide disc. The integrated method can only be used as a separate sealing ring to prevent the sealing ring from falling off and dislocating. In addition, the special distribution bump design is added on the surface of the guide plate, so that when the water flows through the surface of the guide plate, the degree of turbulence everywhere is the same, and the turbulent effect is greatly improved, which is conducive to the flow of pollutants, thereby prolonging the fouling of the membrane. cycle.

Description of drawings

In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the accompanying drawings required to be used in the description of the specific embodiments or the prior art will be briefly introduced on the reverse side. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. In the drawings, each element or section is not necessarily drawn to actual scale.

FIG. 1 is a front view of an integrated guide plate covered with sealing rings according to an embodiment of the present invention;

FIG. 2 is a reverse view of an integrated guide plate covered with sealing rings according to an embodiment of the present invention;

FIG. 3 is an A-A sectional view in FIG. 1 .

The reference numerals are explained as follows:

1. The main body of the guide plate; 2. The guide grille; 3. The sealing plate; 4. The retaining ring; 5. The connecting ring; 6. The central boss; 7. The sealing ring; Positioning convex column; 10. Positioning concave hole; 11. Convex point; 12. Connecting column; 13. Transition ring.

Detailed ways

On the reverse side, the embodiments of the technical solutions of the present invention will be described in detail with reference to the accompanying drawings. The following examples are only used to more clearly illustrate the technical solutions of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

It should be noted that, unless otherwise specified, the technical or scientific terms used in this application should have the usual meanings understood by those skilled in the art to which the present invention belongs.

As shown in Fig. 1 to Fig. 3, the present invention discloses an integrated guide plate covered with sealing rings, including a guide plate body 1, a guide grille 2 and a sealing disk 3; the guide plate The main body 1, the guide grille 2 and the sealing disc 3 are concentric and arranged in sequence from the outside to the inside; a retaining ring 4 is also arranged between the guide grille 2 and the sealing disc 3, and the sealing disc 3 includes a connecting ring 5 and a plurality of central bosses 6; the thickness of the connecting ring 5 is smaller than the thickness of the central boss 6; the retaining ring 4 is connected with the connecting ring 5 through the transition ring 13, and the transition ring 13 is The center line in the thickness direction coincides with the center line in the thickness direction of the retaining ring 4, and the center line in the thickness direction of the transition ring 13 overlaps with the center line in the thickness direction of the connecting ring 5; The front or back surface of the transition ring 13 and the inner circumferential wall of the retaining ring 4 form an annular groove, and a sealing rubber ring 7 formed by overmolding is arranged in the annular groove.

In the above-mentioned integrated diversion disc covered with sealing rings, the sealing rubber ring 7 is obtained by injection molding in the annular groove through the overmolding process. It is integrated with the guide grille 2, and does not match the separate sealing ring of the existing guide plate main body 1, which often falls off, which can largely solve the technical defects of the sealing rubber ring 7 being easy to fall off and dislocate; In addition, the guide grille 2 and the sealing disc 3 are integrated by the overmolding injection molding, which solves the defect that the guide disc is easily broken to a certain extent.

In some embodiments, in the integrated guide plate covered by the sealing rings, the sealing rubber ring 7 is made of EPDM, TPV or silicone rubber injection; Except for the sealing rubber ring 7, the chemical guide plate is made of ABS, MABS or stainless steel material at one time.

In some embodiments, in the integrated guide plate covered by the sealing rings, the sealing rubber ring 7 located on the front side of the transition ring 13 and the sealing ring 7 located on the reverse side of the transition ring 13 The rubber rings 7 are connected by a connecting column 12 passing through the transition ring 13 , and the connecting column 12 and the sealing rubber ring 7 are made of the same material.

In some embodiments, in the integrated guide plate covered by the sealing rings, the baffle ring 4 is located at the proximal end of the inner ring of the guide grille 2, and the baffle ring 4 of the guide grille 2 All the single grid pieces are connected as one.

In some embodiments, in the integrated guide plate covered by the sealing rings, the height of the single grid sheet is the same as the height of the retaining ring 4; the width of the ribs of the retaining ring is 1.0mm.

In some embodiments, in the integrated guide plate covered by the sealing rings, the number of the central bosses 6 is six. The centers are distributed in an annular array; a produced water collection hole 8 is arranged between two adjacent central bosses 6 .

In some embodiments, in the integrated guide plate covered by the sealing rings, one side of the at least five central bosses 6 is provided with a positioning boss 9, and the other side is provided with a positioning protrusion 9. There are positioning concave holes 10 corresponding to the convex pillars 9 , and the positioning convex pillars 9 can be inserted into the positioning concave holes 10 .

In some embodiments, the thickness of the transition ring 13 is not less than 1.5 mm in the integrated baffle plate covered with the sealing rings.

In some embodiments, in the integrated baffle plate covered by the sealing rings, bumps 11 are provided on both the front and the back of the baffle body 1; the bumps 11 are distributed in an annular array on the The front and back surfaces of the deflector body 1 and from the side near the center of the deflector body 1 to the side far from the center are multi-circle annular arrays, and the centers of the annular arrays are the same.

In some embodiments, in the integrated guide plate covered by the sealing rings, the bumps 11 on the front or back of the guide plate main body 1 are 3 to 5 circles inward from the outer circumference. The density is higher than the density of the distribution of the bumps 11 in each circle on the inner side.

In some embodiments, the shape of the bumps 11 is a dome cone in the integrated baffle plate covered with the sealing rings.

In the integrated guide plate covered by the sealing ring of the present invention, a retaining ring structure is added between the guiding grid and the sealing plate. , There is a retaining ring to connect the grid monomer as a whole to increase its strength. Another function is to form an annular groove, which is conducive to secondary overmolding and injection molding to obtain an integrated sealing rubber ring; The material of the main body of the flow plate is encapsulated into one body. Previously, only the sealing rubber ring could be used separately to prevent the sealing ring from falling off and dislocating. In addition, the special distribution bump design is added on the surface of the guide plate, so that when the water flows through the surface of the guide plate, the degree of turbulence everywhere is the same, and the turbulent effect is greatly improved, which is conducive to the flow of pollutants, thereby prolonging the fouling of the membrane. cycle.

In summary, through the change of the retaining ring structure, the continuity of the transition structure of the diversion disc is improved, and the mechanical strength of the diversion disc is improved. The sealing rubber ring is used to prevent the sealing ring from falling off and dislocating, reducing the time for manually installing the sealing ring twice, greatly reducing the installation process of the guide plate, and unprecedented changes in cost and technology. Key points and innovations.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. The scope of the invention should be included in the scope of the claims and description of the present invention.

Claims (10)

1. An integrated guide plate covered with a sealing ring, comprising a guide plate main body, a guide grille and a sealing disk; the guide disk body, the guide grille and the sealing disk are concentric and from outside to inside It is characterized in that a retaining ring is also arranged between the guide grille and the sealing disc, and the sealing disc includes a connecting ring and a plurality of central bosses; the thickness of the connecting ring is smaller than that of the central The thickness of the boss; the retaining ring is connected to the connecting ring through a transition ring, and the center line of the transition ring in the thickness direction coincides with the center line in the thickness direction of the retaining ring, and the center line in the thickness direction of the transition ring is the same as The centerlines in the thickness direction of the connecting ring are coincident; an annular groove is formed by the outer circumferential wall of the connecting ring, the front or back surface of the transition ring, and the inner circumferential wall of the retaining ring. A sealing rubber ring formed by overmolding is provided; the thickness of the transition ring is not less than 1.5mm. 2. The integrated guide plate covered with sealing rings according to claim 1, characterized in that, the sealing rubber ring is made of EPDM, TPV or silicone rubber injection; Except for the sealing rubber ring, all of the integrated diverter discs are made of ABS, MABS or stainless steel material at one time. 3. The integrated guide plate covered with sealing rings according to claim 1 or 2, wherein the sealing rubber ring located on the front side of the transition ring and the rubber ring located on the reverse side of the transition ring The sealing rubber rings are connected by a connecting column passing through the transition ring, and the connecting column and the sealing rubber ring are made of the same material. 4 . The integrated guide plate covered with sealing rings according to claim 1 , wherein the baffle ring is located at the proximal end of the inner ring of the guide grille, and the guide grille is closed. 5 . All of the single grid pieces are connected as one. 5 . The integrated guide plate covered with sealing rings according to claim 4 , wherein the height of the single grid sheet is the same as the height of the retaining ring; the ribs of the retaining ring The bit width is 1.0mm. 6 . The integrated guide plate covered with sealing rings according to claim 1 , wherein the number of the central bosses is six, and the integrated guide plate covered with the sealing rings is used. 7 . The centers of the flow discs are distributed in an annular array; and there are produced water collection holes between two adjacent central bosses. 7 . The integrated air guide plate covered by the sealing ring according to claim 6 , wherein the at least five central bosses are provided with positioning protrusions on one side, and the other side with all The positioning convex post corresponds to the positioning concave hole, and the positioning convex post can be inserted into the positioning concave hole. 8 . The integrated air guide plate covered with sealing rings according to claim 1 , wherein the front and back surfaces of the main body of the air guide plate are provided with bumps; the bumps are distributed in an annular array. 9 . On the front and back sides of the baffle body, and from the side near the center of the baffle body to the side away from the center of the baffle, there are multiple ring-shaped arrays, and the centers of the annular arrays are the same. 9 . The integrated air guide plate covered with sealing rings according to claim 8 , wherein the bumps on the front or back of the main body of the air guide plate are 3 to 3 to the inward from the outer circumference. 10 . The density of 5 circles is higher than the density of the distribution of the bumps in each circle on the inner side. 10 . The integrated guide plate covered with sealing rings according to claim 9 , wherein the shape of the convex point is a dome cone. 11 .

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