CN215758808U

CN215758808U - Diffuser for preventing seawater invasion

Info

Publication number: CN215758808U
Application number: CN202122176138.5U
Authority: CN
Inventors: 陈瑶泓伶; 张春意; 薛永华; 井亮; 刘筱萌; 李金钊; 张斌斌
Original assignee: Tianjin Research Institute for Water Transport Engineering MOT
Current assignee: Tianjin Research Institute for Water Transport Engineering MOT
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-08
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a diffuser for preventing seawater intrusion, which comprises a main pipeline, wherein an ascending pipe is arranged on the upper end surface of the main pipeline through a flange, a control valve is sleeved on the ascending pipe, the control valve comprises a lower valve body and an upper valve body, a water stopping groove is arranged at the bottom inside the lower valve body, a fixing frame is fixedly arranged at the upper end inside the upper valve body, a supporting rod is sleeved at the center of the fixing frame, a valve plate is fixedly arranged at the bottom end of the supporting rod, a limiting block is sleeved at the top end of the supporting rod, a spring is sleeved at the bottom of the supporting rod close to the fixing frame, spray pipes are arranged on two sides of the upper end of the ascending pipe, two sides inside the upper valve body are arc-shaped, two sides of the fixing frame are arc-shaped, the outer diameter of the fixing frame is slightly smaller than the inner diameter of the upper valve body, two sides inside the lower valve body are arc-shaped, and two sides of the valve plate are arc-shaped. The diffuser for preventing seawater intrusion has the advantages of simple and reasonable structure, novel design, simple and convenient operation, capability of effectively improving the effect of preventing seawater intrusion of the diffuser and higher practical value.

Description

Diffuser for preventing seawater invasion

Technical Field

The utility model relates to the technical field of diffusers, in particular to a diffuser for preventing seawater intrusion.

Background

The deep sea sewage diffuser is widely applied to deep sea discharge engineering of domestic sewage and industrial sewage in coastal cities and ports, and the dilution and diffusion degree of the sewage entering a sea area is greatly improved by adopting the sewage diffuser. The existing diffuser does not have the function of preventing seawater intrusion when in use, so that the phenomenon that seawater flows backwards into the pipeline is caused, and the sewage discharge efficiency is greatly reduced. We have therefore developed this and propose a diffuser which prevents ingress of seawater.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses a diffuser for preventing seawater intrusion, which comprises a main pipeline, wherein an ascending pipe is arranged on the upper end surface of the main pipeline through a flange, a control valve is sleeved on the ascending pipe, the control valve comprises a lower valve body and an upper valve body, a water stopping groove is formed in the bottom inside the lower valve body, a fixing frame is fixedly arranged at the upper end inside the upper valve body, a supporting rod is sleeved at the center of the fixing frame, a valve plate is fixedly arranged at the bottom end of the supporting rod, a limiting block is sleeved at the top end of the supporting rod, a spring is sleeved at the bottom of the supporting rod close to the fixing frame, and spray pipes are arranged on two sides of the upper end of the ascending pipe.

As a preferable technical scheme of the utility model, two sides of the inner part of the upper valve body are arc-shaped, two sides of the fixing frame are arc-shaped, and the outer diameter of the fixing frame is slightly smaller than the inner diameter of the upper valve body.

As a preferable technical scheme of the utility model, two sides of the interior of the lower valve body are arc-shaped, two sides of the valve plate are arc-shaped, and the outer diameter of the valve plate is slightly smaller than the inner diameter of the lower valve body.

As a preferred technical scheme of the utility model, the outer side of the valve plate is wrapped by a rubber sleeve, and the valve plate and the water stop tank are mutually clamped.

As a preferred technical scheme of the utility model, a sealing washer is arranged at the joint of the upper valve body and the lower valve body, and the sealing washer is made of rubber.

As a preferred technical scheme of the utility model, a plurality of mounting holes are correspondingly formed in the upper end surfaces of the upper valve body and the lower valve body, and fixing bolts are arranged inside the mounting holes.

As a preferred technical scheme of the utility model, the main pipeline and the ascending pipe are both made of metal materials, and hot galvanizing layers are coated outside the main pipeline and the ascending pipe.

The utility model has the beneficial effects that:

1. the diffuser for preventing seawater intrusion enables water pressure to be greater than external pressure to jack up the valve plate when sewage in a main pipeline flows through the ascending pipe through the mutual matching of the fixing frame, the valve plate, the supporting rod and the spring, and then the sewage is sprayed out from the upper end spray pipe;

2. the diffuser for preventing seawater intrusion improves the sealing effect of the valve plate and the water stopping groove by wrapping the rubber sleeve outside the valve plate, better prevents seawater intrusion, enables the joint of the upper valve body and the lower valve body to be more compact by installing the sealing washer, prevents seawater from entering the main pipeline from a gap, and improves the corrosion resistance effect of the main pipeline and the ascending pipe by coating the hot galvanizing layer outside the main pipeline and the ascending pipe.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of a seawater intrusion prevention diffuser according to the present invention;

FIG. 2 is a schematic cross-sectional front view of a seawater intrusion prevention diffuser of the present invention;

FIG. 3 is a schematic side cross-sectional view of a seawater intrusion prevention diffuser of the present invention;

fig. 4 is an enlarged view of the structure a of fig. 2 of a diffuser for preventing seawater intrusion according to the present invention.

In the figure: 1. a main pipeline; 2. a riser pipe; 3. a control valve; 4. a nozzle; 5. a fixed mount; 6. a strut; 7. a spring; 8. a valve plate; 9. a water stopping tank; 10. a sealing gasket; 11. a lower valve body; 12. and an upper valve body.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-4, the diffuser for preventing seawater intrusion according to the present invention includes a main pipe 1, an ascending pipe 2 is mounted on an upper end surface of the main pipe 1 through a flange, a control valve 3 is sleeved on the ascending pipe 2, the control valve 3 includes a lower valve body 11 and an upper valve body 12, a water stop groove 9 is disposed at the bottom inside the lower valve body 11, a fixing frame 5 is fixedly mounted at an upper end inside the upper valve body 12, a supporting rod 6 is sleeved at a center of the fixing frame 5, a valve plate 8 is fixedly mounted at a bottom end of the supporting rod 6, a limiting block is sleeved at a top end of the supporting rod 6, a spring 7 is sleeved at a bottom of the supporting rod 6 near the fixing frame 5, and spray pipes 4 are disposed on two sides of an upper end of the ascending pipe 2.

Wherein, the inside both sides of going up valve body 12 are the arc, 5 both sides of mount are the arc, the external diameter of mount 5 slightly is less than the internal diameter of going up valve body 12, sets up to the arc through going up the inside both sides of

valve body

12 and 4 both sides of mount, and the external diameter of mount 5 slightly is less than the internal diameter of going up valve body 12, and the rivers of the trunk line 1 of being convenient for flow through from 3 bottoms of control valve.

Wherein, the inside both sides of lower valve body 11 are the arc, the both sides of valve plate 8 are the arc, the external diameter size of valve plate 8 slightly is less than the internal diameter size of lower valve body 11, sets up to the arc through the both sides that will descend the inside both sides of valve body 11 and valve plate 8, and the external diameter size of valve plate 8 slightly is less than the internal diameter size of lower valve body 11 for when valve plate 8 received the rivers pressure contraction, at the inside passageway that forms of control valve 3, the sewage discharge of being convenient for.

Wherein, the outside parcel of valve plate 8 has the rubber sleeve, the mutual block of valve plate 8 and stagnant water groove 9 has the rubber sleeve through the outside parcel at valve plate 8, and with the mutual block of stagnant water groove 9 for the sea water can not pour into inside trunk line 1 when valve plate 8 and stagnant water groove 9 block.

Wherein, last valve body 12 is equipped with seal ring 10 with 11 junctions of lower valve body, just seal ring 10 is the rubber material, through setting up seal ring 10 at last valve body 12 with last valve body 11 junctions, and for the rubber material, has improved the leakproofness of last valve body 12 with 11 junctions of lower valve body greatly.

Wherein, go up

valve body

12 and 11 up end of lower valve body and correspond and seted up a plurality of mounting holes, just the inside of mounting hole all is equipped with fixing bolt, sets up a plurality of mounting holes through corresponding, and convenient to use person installs last valve body 12 and lower valve body 11 through fixing bolt.

Wherein, trunk line 1 and tedge 2 are the metal material, just trunk line 1 all scribbles the hot galvanizing coat with the outside of tedge 2, through setting up trunk line 1 and tedge 2 into the metal material, and the outside scribbles the hot galvanizing coat, has improved trunk line 1 and tedge 2's corrosion resistance greatly, has improved the life of diffuser.

The working principle is as follows: when the diffuser for preventing seawater intrusion is used, whether each mechanism in the diffuser for preventing seawater intrusion is complete is firstly checked, then the upper valve body and the lower valve body are connected through a pipeline, the upper valve body and the lower valve body are installed through fixing bolts, the fixing frame 5, the valve plate 8, the supporting rod 6 and the spring 7 are mutually matched, when sewage in the main pipeline 1 flows through the ascending pipe 2, the water pressure is greater than the external pressure to jack up the valve plate 8 and further to be sprayed out from the upper end spray pipe 4, when the sewage water pressure is less than the external pressure, the seawater is poured into the ascending pipe 2 to press down the valve plate 8 so as to abut against the water stop groove 9 to prevent the seawater from flowing backwards, the seawater from entering the main pipeline 1 to influence the discharge of the sewage, the sealing effect of the valve plate 8 and the water stop groove 9 is improved by wrapping the rubber sleeve outside the valve plate 8, the intrusion of the seawater is better prevented, the upper valve body 12 and the lower valve body 11 are more compact in joint through the installation of the sealing washer 10, seawater is prevented from entering the main pipeline 1 from a gap, the main pipeline 1 and the ascending pipe 2 are made of metal materials, and the hot galvanizing layer is coated on the outer portion of the main pipeline 1 and the ascending pipe 2, so that the corrosion resistance of the main pipeline 1 and the ascending pipe 2 is greatly improved, the service life of the diffuser is prolonged, and the diffuser is simple and reasonable in structure, novel in design, simple and convenient to operate, capable of effectively improving the effect of preventing seawater intrusion of the diffuser and high in practical value.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a prevent diffuser of sea water invasion, includes trunk line (1), its characterized in that, trunk line (1) up end installs tedge (2) through the flange, the cover is equipped with control valve (3) on tedge (2), control valve (3) are including lower valve body (11) and last valve body (12), the inside bottom of lower valve body (11) is equipped with stagnant water groove (9), it has mount (5) to go up inside upper end fixed mounting of valve body (12), mount (5) center department cover is equipped with branch (6), the bottom fixed mounting of branch (6) has valve plate (8), the top cover of branch (6) is equipped with the stopper, branch (6) are equipped with spring (7) in the bottom cover that is close to mount (5), the upper end both sides of tedge (2) all are equipped with spray tube (4).

2. The diffuser for preventing seawater intrusion according to claim 1, wherein both sides of the inside of the upper valve body (12) are arc-shaped, both sides of the fixing frame (5) are arc-shaped, and the outer diameter dimension of the fixing frame (5) is slightly smaller than the inner diameter dimension of the upper valve body (12).

3. A seawater intrusion prevention diffuser as claimed in claim 1, wherein both sides of the inside of the lower valve body (11) are arc-shaped, both sides of the valve plate (8) are arc-shaped, and the outer diameter dimension of the valve plate (8) is slightly smaller than the inner diameter dimension of the lower valve body (11).

4. A seawater intrusion prevention diffuser as claimed in claim 1, wherein the valve plate (8) is wrapped with a rubber sleeve on the outside, and the valve plate (8) and the water stopping groove (9) are engaged with each other.

5. The diffuser for preventing seawater intrusion according to claim 1, wherein a sealing gasket (10) is arranged at the joint of the upper valve body (12) and the lower valve body (11), and the sealing gasket (10) is made of rubber.

6. The diffuser for preventing seawater intrusion according to claim 1, wherein a plurality of mounting holes are correspondingly formed at the upper end surfaces of the upper valve body (12) and the lower valve body (11), and fixing bolts are arranged inside the mounting holes.

7. The diffuser for preventing seawater intrusion according to claim 1, wherein the main pipe (1) and the ascending pipe (2) are made of metal, and the outside of the main pipe (1) and the outside of the ascending pipe (2) are coated with hot-galvanized layers.