CN113819288A

CN113819288A - Marine low temperature stop valve that leakproofness is good easily to be cleared up

Info

Publication number: CN113819288A
Application number: CN202111197515.1A
Authority: CN
Inventors: 陈韬仲; 吴献策; 黄彬彬
Original assignee: Dongyi Valve Manufacturing Nantong Co ltd
Current assignee: Dongyi Valve Manufacturing Nantong Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2021-12-21
Anticipated expiration: 2041-10-14
Also published as: CN113819288B

Abstract

The invention discloses a marine low-temperature stop valve with good sealing performance and easy cleaning, which comprises a main valve body, wherein a valve core is arranged in the main valve body, a valve pipe communicated with the main valve body is arranged on the main valve body, a fixed pipe is communicated with the valve pipe, a centrifugal pipe is connected in the fixed pipe in a sealing and rotating mode, one end, far away from the valve pipe, of the fixed pipe is communicated with a water inlet pipe, an axial-flow water wheel is connected in the water inlet pipe in a rotating mode, a rotating rod is fixedly connected to the axis of the axial-flow water wheel, the rotating rod is fixedly connected with the inner wall of the centrifugal pipe through a plurality of connecting rods, a plurality of separation holes are formed in the side wall of the centrifugal pipe, and an arc-shaped groove is formed in the side wall of the fixed pipe. By arranging the components such as the axial flow water wheel and the centrifugal tube, the axial flow water wheel and the centrifugal tube can be driven to rotate when water flows in the valve body in the working process of the stop valve, so that solid particles such as silt in a water body can be separated by using centrifugal force, and the stop valve is prevented from being damaged by the silt entering the valve body.

Description

Marine low temperature stop valve that leakproofness is good easily to be cleared up

Technical Field

The invention relates to the technical field of valve correlation, in particular to a marine low-temperature stop valve with good sealing performance and easy cleaning.

Background

The stop valve is a forced sealing valve, is very common in a ship body drainage system, and generally adopts a lifting rotary rod to control the opening and closing of the valve clack.

Because the quality of water difference of hull process waters is great, for example when marching in the river velocity of flow, often contain solid impurity such as a large amount of silt in the water, at stop valve during operation, the rivers that contain silt constantly erode the valve, silt not only remains easily in the valve body, lead to the valve body discharge capacity to reduce, silt still can aggravate the wearing and tearing of each part in the valve body, make the sealing performance of valve body descend, and when marine traveling, then the sea water flows through when the stop valve, still can cause the corruption to the case of metal material in the valve body. In view of the above, this application file provides a marine leakproofness is low temperature stop valve of easy clearance well.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a marine low-temperature stop valve which is good in sealing performance and easy to clean.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a low temperature stop valve that marine leakproofness is easy to be cleared up, includes the main valve body, the internal case that is equipped with of main valve, be equipped with rather than communicating valve pipe on the main valve body, the intercommunication has fixed pipe on the valve pipe, fixed intraductal sealed rotation is connected with the centrifuging tube, the one end intercommunication that the valve pipe was kept away from to fixed pipe has the inlet tube, the inlet tube internal rotation is connected with axial flow water wheels, axial flow water wheels axle center fixedly connected with dwang, the dwang passes through a plurality of connecting rods and centrifuging tube inner wall fixed connection, a plurality of separation holes have been seted up to the lateral wall of centrifuging tube, the arc wall has been seted up to the lateral wall of fixed pipe, just the feed inlet has been seted up to the bottom in the arc wall.

Preferably, the inner wall of the feeding hole is provided with a containing groove, the containing groove is internally and slidably connected with a baffle, the baffle is elastically connected to the inner wall of the containing groove through a spring, the baffle is made of iron, and the inner wall of the centrifugal pipe is embedded with a plurality of permanent magnetic sheets.

Preferably, an excitation coil is embedded on the inner wall of the fixed pipe, the excitation coil is electrically connected with a rectifier, the negative electrode of the rectifier is electrically connected with the valve core, and the positive electrode of the rectifier is electrically connected with an auxiliary anode.

Preferably, the arc-shaped groove is formed in the upper portion of the fixed pipe, and an included angle between the feeding hole and the vertical center line is 30 degrees.

Preferably, the permanent magnet pieces are attached to adjacent separation holes, and the inner wall of the arc-shaped groove is provided with an opening and closing door.

Preferably, a valve rod is fixedly connected to the valve core, and the valve rod is in threaded connection with the valve body.

The invention has the following beneficial effects:

1. by arranging the axial flow water wheel, the centrifugal tube and other parts, the axial flow water wheel and the centrifugal tube can be driven to rotate when water flows in the valve body in the working process of the stop valve, so that solid particles such as silt in a water body can be separated by using centrifugal force, and the stop valve is prevented from being damaged by the silt entering the valve body;

2. through setting up parts such as baffle, spring and excitation coil that permanent magnetism piece, iron were made, on the one hand, accessible permanent magnetism piece and baffle are mutually supported, prevent the silt that throws away from and fall back, and on the other hand still can produce induced-current through excitation coil to through rectifier, supplementary positive pole, carry out impressed current to the case and realize cathodic protection, prevent that the case from suffering sea water corrosion.

Drawings

FIG. 1 is a schematic structural diagram of a marine low-temperature stop valve with good sealing performance and easy cleaning;

FIG. 2 is an enlarged schematic view of a structure at the position A of the marine low-temperature stop valve with good sealing performance and easy cleaning;

fig. 3 is a schematic side sectional view of a fixing tube and a centrifugal tube according to the present invention.

In the figure: 1 valve body, 2 valve cores, 3 valve rods, 4 valve pipes, 5 fixed pipes, 6 water inlet pipes, 7 axial flow water wheels, 8 centrifugal pipes, 9 rotating rods, 10 connecting rods, 11 separation holes, 12 arc-shaped grooves, 13 feed inlets, 14 accommodating grooves, 15 baffle plates, 16 springs, 17 excitation coils, 18 permanent magnet sheets and 19 auxiliary anodes.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a marine low temperature stop valve with good sealing performance and easy cleaning comprises a main valve body 1, a valve core 2 is arranged in the main valve body 1, a valve pipe 4 communicated with the main valve body 1 is arranged on the main valve body 1, a valve rod 3 is fixedly connected to the valve core 2, and the valve rod 3 is in threaded connection with the valve body 1.

The intercommunication has fixed pipe 5 on the valve pipe 4, the sealed rotation is connected with centrifuging tube 8 in the fixed pipe 5, the one end intercommunication that valve pipe 4 was kept away from to fixed pipe 5 has inlet tube 6, 6 internal rotations of inlet tube are connected with axial flow water wheels 7, 7 axle center fixedly connected with dwang 9 of axial flow water wheels, dwang 9 is through a plurality of connecting

rods

10 and 8 inner wall fixed connection of centrifuging tube, a plurality of separation holes 11 have been seted up to the lateral wall of centrifuging tube 8, arc 12 has been seted up to the lateral wall of fixed pipe 5, and feed inlet 13 has been seted up to the bottom in the arc 12. The arc-shaped groove 12 is arranged at the upper part of the fixed pipe 5, and the included angle of the feed inlet 13 and the vertical central line is 30 degrees. Specifically, the arc-shaped groove 12 and the feed port 13 can be manufactured with reference to fig. 3, so that silt can flow to the bottom in the arc-shaped groove 12 by means of gravity after being thrown into the arc-shaped groove 12 through the feed port 13, and backflow cannot occur.

Seted up on the inner wall of feed inlet 13 and accomodate groove 14, accomodate and have baffle 15 in groove 14 sliding connection, and baffle 15 passes through spring 16 elastic connection and accomodate on groove 14 inner wall, and baffle 15 adopts the iron system, inlays on 8 inner walls of centrifuging tube and is equipped with a plurality of permanent magnet pieces 18. It should be noted that, by arranging the iron baffle 15 and the permanent magnet pieces 18, when the centrifugal tube 8 rotates, when the separation hole 11 is opposite to the feed inlet 13, the baffle 15 is attracted into the accommodating groove 14 by the permanent magnet pieces 18, silt can be thrown into the arc-shaped groove 12, and because the rotating speed of the centrifugal tube 8 is high, when the permanent magnet pieces 18 leave, the spring 16 immediately pushes the baffle 15 to reset, so that the silt can be prevented from falling back again.

The permanent magnet pieces 18 are attached to the adjacent separation holes 11, and the inner wall of the arc-shaped groove 12 is provided with an opening and closing door. Through setting up the door that opens and shuts, the accessible is periodic opens the door to the silt that separates to in the arc wall 12 clears up.

Inlay on the fixed 5 inner walls of pipe and be equipped with excitation coil 17, excitation coil 17 electric connection has the rectifier, and the negative pole and the 2 electric connection of case of rectifier, and the anodal electric connection of rectifier has auxiliary anode 19, and specific auxiliary anode 19 can adopt the positive pole of angle steel, band steel, channel-section steel, steel pipe preparation, so can form impressed current protection circuit with rectifier, excitation coil 17 to protect the case 2 of negative pole department, avoid metal material's case 2 to suffer seawater chemical corrosion.

This device is in the use, and when the water along 6 flow direction valve bodies 1 of inlet tube, rivers will promote axial compressor blade 7 circulation and rotate to drive centrifuging tube 8 through dwang 9 and connecting rod 10 and rotate together, when the centrifuging tube 8 is flowed through to the water like this, will be driven rotatoryly by continuous pivoted centrifuging tube 8, so can be under the effect of centrifugal force, make the great silt of density and other fixed impurity get rid of to 8 inner walls of centrifuging tube on.

Referring to fig. 3, as the centrifugal tube 8 rotates, each separation hole 11 periodically faces the feed inlet 13, and each time a certain separation hole 11 faces the feed inlet 13, the permanent magnet pieces 18 at the separation hole 11 attract the iron baffle 15, and attract the baffle 15 back into the accommodating groove 14, at this time, the separation hole 11 communicates with the feed inlet 13, silt thrown onto the inner wall of the centrifugal tube 8 is thrown into the arc-shaped groove 12 through the feed inlet 13, when the permanent magnet pieces 18 rotate away from the baffle 15, the magnetic acting force between the two is small, the spring 16 can push the baffle 15 back into the feed inlet 13 again, so that the silt is prevented from directly falling back, and when the silt is thrown into the arc-shaped groove 12, and the baffle 15 blocks the feed inlet 13, the silt slides down to the bottom of the arc-shaped groove 12 along the inner walls of the baffle 15 and the arc-shaped groove 12 under the action of gravity. So accessible rivers drive centrifuging tube 8 and continue to rotate to periodic messenger separation hole 11 communicates with each other with feed inlet 13, thereby can constantly get rid of other solid impurities such as silt in the rivers in arc 12, thereby avoid other solid impurities such as silt to get into valve body 1 in, effectually prevented that silt from causing the harm to each parts in the valve body 1.

Furthermore, when the centrifugal tube 8 rotates continuously, the magnetic induction lines of the magnetic field formed by the permanent magnetic sheets 18 continuously move relative to the excitation coil 17 on the fixed tube 5, so that the excitation coil 17 can generate an induced current, the induced current can be output as stable direct current through the rectifier, and is electrically connected with the valve core 2 through the negative electrode and the positive electrode, so as to continuously output electrons to the valve core 2, so that the valve core 2 can be subjected to impressed current cathodic protection during sea running, and the phenomenon that the valve core 2 made of metal loses electrons and is corroded when seawater flows through the valve core 2 is avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a marine leakproofness is low temperature stop valve of easy clearance well, includes the main valve body (1), be equipped with case (2) in the main valve body (1), be equipped with rather than communicating valve pipe (4) on the main valve body (1), its characterized in that, the intercommunication has fixed pipe (5) on valve pipe (4), fixed pipe (5) internal seal rotates and is connected with centrifuging tube (8), the one end intercommunication that valve pipe (4) were kept away from in fixed pipe (5) has inlet tube (6), inlet tube (6) internal rotation is connected with axial flow water wheels (7), axial flow water wheels (7) axle center department fixedly connected with dwang (9), dwang (9) are through a plurality of connecting rods (10) and centrifuging tube (8) inner wall fixed connection, a plurality of separation holes (11) have been seted up to the lateral wall of centrifuging tube (8), arc wall (12) have been seted up to the lateral wall of fixed pipe (5), and a feed inlet (13) is arranged at the bottom in the arc-shaped groove (12).

2. The marine low temperature stop valve that good easy clearance of leakproofness according to claim 1, characterized in that, seted up on the inner wall of feed inlet (13) and accomodate groove (14), it has baffle (15) to accomodate groove (14) sliding connection, just baffle (15) are through spring (16) elastic connection on accomodating groove (14) inner wall, baffle (15) adopt the iron system, it is equipped with a plurality of permanent magnet pieces (18) to inlay on centrifuging tube (8) inner wall.

3. The marine low-temperature stop valve with good sealing performance and easy cleaning performance as claimed in claim 2, characterized in that an excitation coil (17) is embedded on the inner wall of the fixed pipe (5), the excitation coil (17) is electrically connected with a rectifier, the negative pole of the rectifier is electrically connected with the valve core (2), and the positive pole of the rectifier is electrically connected with an auxiliary anode (19).

4. The marine low-temperature stop valve with good sealing performance and easy cleaning as claimed in claim 1, wherein the arc-shaped groove (12) is arranged at the upper part of the fixed pipe (5), and the included angle of the feed inlet (13) and a vertical central line is 30 degrees.

5. The marine low-temperature stop valve with good sealing performance and easy cleaning as claimed in claim 2, wherein the permanent magnet sheets (18) are attached to the adjacent separation holes (11), and the inner wall of the arc-shaped groove (12) is provided with an opening and closing door.

6. The marine low-temperature stop valve with good sealing performance and easy cleaning as claimed in claim 1, wherein a valve rod (3) is fixedly connected to the valve core (2), and the valve rod (3) is in threaded connection with the valve body (1).