CN109798374B - Valve for petrochemical mining ship - Google Patents

Abstract

The invention relates to a valve, in particular to a valve for a petrochemical mining ship, which comprises a flat seat, a fixed frame, an interface component, a valve shell, a flashboard and a valve side cover, wherein the interface component can rotate; when the valve is opened, the side connecting pipe can be controlled to be opened through the flashboard, and the side connecting pipe and the lower connecting pipe can also be controlled to be opened simultaneously through the flashboard, so that the valve is changed into a three-way valve. The utility model discloses a valve, including the flat seat, mount sliding connection, interface module, flashboard, valve side cover, valve shell, valve seat, gate board, valve side cover, valve seat, valve shell, gate board, valve side cover and valve seat, mount sliding connection is at the left end of flat seat, and the interface module articulates and connects on flat seat, and valve shell fixed connection.

Description

Valve for petrochemical mining ship

Technical Field

The invention relates to a valve, in particular to a valve for a petrochemical mining ship.

Background

Valves are accessories for pipes used to open and close the pipe, control flow direction, regulate and control parameters of the transport medium. According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are classified into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, and the like according to the material.

Disclosure of Invention

The invention provides a valve for a petrochemical mining ship, which has the advantages that an interface component can rotate, an interface pipe on the interface component can be connected with an external pipeline with one size, and the external pipeline can be directly connected to an internal thread connecting ring at the upper end of a circular pipe without using the interface component, so that an upper end interface of the valve can be connected with external pipelines with two sizes; when the valve is opened, the side connecting pipe can be controlled to be opened through the flashboard, and the side connecting pipe and the lower connecting pipe can also be controlled to be opened simultaneously through the flashboard, so that the valve is changed into a three-way valve.

The invention relates to a valve, in particular to a valve for a petrochemical mining ship, which comprises a flat seat, a fixed frame, an interface component, a valve shell, a flashboard and a valve side cover, wherein the interface component can rotate; when the valve is opened, the side connecting pipe can be controlled to be opened through the flashboard, and the side connecting pipe and the lower connecting pipe can also be controlled to be opened simultaneously through the flashboard, so that the valve is changed into a three-way valve.

The utility model discloses a valve, including the flat seat, mount sliding connection, interface module, flashboard, valve side cover, valve shell, valve seat, gate board, valve side cover, valve seat, valve shell, gate board, valve side cover and valve seat, mount sliding connection is at the left end of flat seat, and the interface module articulates and connects on flat seat, and valve shell fixed connection.

The flat seat includes the flat board, fastening screw, the rectangular hole, articulated seat, an internal thread section of thick bamboo, ring type seal I, taper seal, internal thread connects ring sum pipe, both ends all are provided with the rectangular hole around the dull and stereotyped left end, the position of two rectangular holes all has fastening screw through threaded connection on the flat board, the articulated seat of dull and stereotyped left end fixedly connected with, a dull and stereotyped middle-end fixedly connected with internal thread section of thick bamboo, pipe fixed connection is at dull and stereotyped right-hand member, the upper end inboard of pipe is the toper edge, the inboard toper edge of pipe upper end bonds and has taper seal, the upper end fixedly connected with internal thread of pipe connects the ring, the last adhesive connection of internal thread connects.

The mount is including erecting track pole, minor axis, kicking block and dead lever, and the equal fixedly connected with in both ends erects the track pole around the kicking block lower extreme, and two are erected track pole sliding connection respectively on two rectangular holes, and two fastening screw push up respectively on two are erected the track pole, and the middle-end fixedly connected with minor axis of dead lever, minor axis clearance fit insert the middle-end at the kicking block, and the right-hand member of minor axis has nut I through threaded connection, and dead lever and nut I are located both ends about the kicking block respectively.

The connector assembly comprises a rotating plate, a connecting screw, a connector tube and a conical ring, the left end of the rotating plate is hinged to a hinged seat, the connecting screw is inserted into the middle end of the rotating plate in a clearance fit mode, the lower end of the connecting screw is connected to the internal thread cylinder through threads, the connector tube is fixedly connected to the right end of the rotating plate, the conical ring is fixedly connected to the lower end of the connector tube, and the conical ring is inserted into the upper end of the circular tube and attached to the conical sealing ring.

The valve shell comprises a shell body, convex seats, threaded columns, side connecting pipes, rectangular sealing rings, annular sealing rings II, lower connecting pipes, rectangular rubber rings, fastening screw seats and fastening screws, wherein the shell body is of a cuboid box-shaped structure with an open front end, the lower end of a circular pipe is connected and communicated with the upper end of the shell body, the left side of the shell body is connected and communicated with the side connecting pipes, the front end of the shell body is connected with the rectangular sealing rings in an adhesive mode, the four corners of the front end of the shell body are fixedly connected with the convex seats, the front ends of the four convex seats are fixedly connected with the threaded columns, the right side of the lower end of the shell body is fixedly connected with the lower connecting pipes, the lower connecting pipes extend into the shell body, the upper ends of the lower connecting pipes are connected with the annular sealing rings II in an adhesive mode, rectangular holes are formed, the fastening screw seat is connected with a fastening screw through threads.

The flashboard comprises a flashboard body, a liquid through hole, a plug and a pull ring, the flashboard body is connected to the position of the rectangular hole on the right side of the outer shell in a sliding mode, the flashboard body is connected with the rectangular rubber ring in a sliding mode, the right end of the flashboard body is fixedly connected with the pull ring, the left end of the flashboard body is located inside the outer shell, the left end of the flashboard body is provided with the liquid through hole, the left end of the flashboard body is fixedly connected with the plug, the plug is inserted into the right end of the side connecting pipe, and the lower end.

Four angles of valve side cap peg graft respectively on four screw thread posts, all have nut II through threaded connection on four screw thread posts, and four nut II all are located the front end of valve side cap, and the rear end top of valve side cap is on the rectangle sealing washer.

The valve for the petrochemical mining ship has the beneficial effects that:

the invention relates to a valve for a petrochemical mining ship, wherein an interface component can rotate, an interface pipe on the interface component can be connected with an external pipeline with one size, and the external pipeline can be directly connected to an internal thread connecting ring at the upper end of a circular pipe without using the interface component, so that the upper end port of the valve can be connected with external pipelines with two sizes; when the valve is opened, the side connecting pipe can be controlled to be opened through the flashboard, and the side connecting pipe and the lower connecting pipe can also be controlled to be opened simultaneously through the flashboard, so that the valve is changed into a three-way valve.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view showing the overall structure of a valve for a petrochemical production vessel according to the present invention;

FIG. 2 is a schematic diagram of the overall structure of a valve for a petrochemical production vessel according to the present invention;

FIG. 3 is a first schematic structural view of a flat seat;

FIG. 4 is a second schematic structural view of the flat base;

FIG. 5 is a schematic structural view of a circular tube;

FIG. 6 is a schematic structural view of the fixing frame;

FIG. 7 is a first schematic structural diagram of an interface module;

FIG. 8 is a second schematic structural view of an interface assembly;

FIG. 9 is a first schematic structural view of a valve housing;

FIG. 10 is a second schematic structural view of the valve housing;

FIG. 11 is a schematic view of the shutter arrangement;

FIG. 12 is a schematic view of the construction of the valve shell and the shutter.

In the figure: a flat seat 1; 1-1 of a plate; fastening screws 1-2; 1-3 rectangular holes; hinge seats 1-4; 1-5 parts of an internal thread cylinder; an annular sealing ring I1-6; 1-7 parts of a conical sealing ring; 1-8 parts of internal thread connecting ring; 1-9 of round pipe; a fixed frame 2; a vertical track rod 2-1; short axis 2-2; 2-3 of a top block; 2-4 of a fixed rod; an interface component 3; rotating the plate 3-1; a connecting screw 3-2; 3-3 of a mouthpiece; 3-4 parts of a conical ring; a valve housing 4; an outer shell 4-1; 4-2 parts of a boss; 4-3 of a threaded column; 4-4 of a side connecting pipe; 4-5 of a rectangular sealing ring; an annular sealing ring II 4-6; 4-7 of a lower connecting pipe; 4-8 parts of a rectangular rubber ring; 4-9 of a fastening screw seat; 4-10 parts of a fastening screw; a shutter 5; a shutter body 5-1; 5-2 of a liquid through hole; a plug 5-3; 5-4 of a pull ring; a valve side cover 6.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The first embodiment is as follows:

the present invention will be described with reference to fig. 1 to 12, and the present invention relates to a valve, and more specifically to a valve for petrochemical production, which comprises a flat seat 1, a fixed frame 2, an interface component 3, a valve shell 4, a gate plate 5 and a valve side cover 6, wherein the interface component 3 of the present invention can rotate, the interface pipe 3-3 on the interface component 3 can be connected with an external pipeline of one size, and the interface component 3 can be omitted, and the external pipeline can be directly connected to the internal thread connecting rings 1-8 at the upper ends of circular pipes 1-9, so that the upper end interface of the valve can be connected with external pipelines of two sizes; when the valve is opened, the side connecting pipe 4-4 can be controlled to be opened through the flashboard 5, and the side connecting pipe 4-4 and the lower connecting pipe 4-7 can also be controlled to be opened simultaneously through the flashboard 5, so that the valve is changed into a three-way valve.

The utility model discloses a valve, including mount 2, interface module 3, valve shell 4, flashboard 5, valve side cover 6, valve shell 4, valve shell 6, valve side cover 6, valve shell is fixed connection at the front end of valve shell 4, 2 sliding connection of mount are at the left end of flat seat 1, and the articulated connection of interface module 3 is on flat seat 1, and valve shell 4 fixed connection is at the lower extreme of flat seat 1, and flashboard 5 sliding.

The second embodiment is as follows:

the embodiment is described below with reference to fig. 1-12, the flat seat 1 includes a flat plate 1-1, fastening screws 1-2, rectangular holes 1-3, hinge seats 1-4, internal thread cylinders 1-5, annular seal rings I1-6, tapered seal rings 1-7, internal thread connecting rings 1-8 and round tubes 1-9, the front and rear ends of the left end of the flat plate 1-1 are respectively provided with the rectangular holes 1-3, the positions of the two rectangular holes 1-3 on the flat plate 1-1 are respectively connected with the fastening screws 1-2 through threads, the left end of the flat plate 1-1 is fixedly connected with the hinge seats 1-4, the middle end of the flat plate 1-1 is fixedly connected with the internal thread cylinders 1-5, the round tubes 1-9 are fixedly connected with the right end of the flat plate 1-1, the inner side of the upper ends of the round tubes 1-9, conical sealing rings 1-7 are bonded on the conical edges of the inner sides of the upper ends of the circular tubes 1-9, internal thread connecting rings 1-8 are fixedly connected on the upper ends of the circular tubes 1-9, and annular sealing rings I1-6 are bonded on the internal thread connecting rings 1-8. The inner sides of the internal thread connecting rings 1-8 are provided with threads, the internal thread connecting rings 1-8 can be directly connected with an external pipeline, the annular sealing ring I1-6 plays a role in sealing between the external pipeline and the internal thread connecting rings 1-8, and fluid in the external pipeline can flow into the position of the valve shell 4 through the circular pipes 1-9.

The third concrete implementation mode:

the embodiment is described below with reference to fig. 1 to 12, where the fixing frame 2 includes a vertical track rod 2-1, a short shaft 2-2, a top block 2-3 and a fixing rod 2-4, the front and rear ends of the lower end of the top block 2-3 are fixedly connected with the vertical track rod 2-1, the two vertical track rods 2-1 are respectively slidably connected to two rectangular holes 1-3, two fastening screws 1-2 are respectively abutted to the two vertical track rods 2-1, the middle end of the fixing rod 2-4 is fixedly connected with the short shaft 2-2, the short shaft 2-2 is inserted into the middle end of the top block 2-3 in a clearance fit manner, the right end of the short shaft 2-2 is connected with a nut I through a thread, and the fixing rod 2-4 and the nut I are respectively located at the left end and the right end of the top. Screws can be inserted into the front end and the rear end of the fixed rod 2-4, so that the fixed rod 2-4 is fixedly connected to a ship body, the top block 2-3 can rotate on the short shaft 2-2 to adjust the inclination of the vertical track rod 2-1, the top block 2-3 can be fixed on the fixed rod 2-4 by pushing the top block 2-3 with a rotating nut I, and the flat seat 1 is adjusted to be in a relatively horizontal position by adjusting the inclination of the two vertical track rods 2-1. The flat plate 1-1 can vertically slide on the two vertical track rods 2-1, the height of the flat plate 1-1 is adjusted, and the position of the flat plate 1-1 can be fixed by rotating the two fastening screws 1-2 to respectively abut against the two vertical track rods 2-1.

The fourth concrete implementation mode:

the embodiment is described below with reference to fig. 1 to 12, the interface component 3 includes a rotating plate 3-1, a connecting screw 3-2, an interface tube 3-3 and a conical ring 3-4, the left end of the rotating plate 3-1 is hinged to a hinge base 1-4, the middle end of the rotating plate 3-1 is inserted with the connecting screw 3-2 in a clearance fit manner, the lower end of the connecting screw 3-2 is connected to an internal thread cylinder 1-5 through a thread, the right end of the rotating plate 3-1 is fixedly connected with the interface tube 3-3, the lower end of the interface tube 3-3 is fixedly connected with the conical ring 3-4, and the conical ring 3-4 is inserted into the upper end of a circular tube 1-9 and is attached to a conical sealing ring 1-7. The rotating plate 3-1 can rotate on the hinged seat 1-4, the connecting screw 3-2 is connected to the internal thread cylinder 1-5 through threads, so that the conical ring 3-4 can be tightly pressed on the conical sealing ring 1-7, the connector tube 3-3 is rotated to a left end position connector when the connector assembly 3 is not needed, the conical ring 3-4 is inserted into the upper end of the circular tube 1-9 and is attached to the conical sealing ring 1-7 when the connector assembly 3 is used, and at the moment, the upper end of the connector tube 3-3 can be connected with an external pipeline, so that the invention can be connected with external pipelines with two sizes.

The fifth concrete implementation mode:

the present embodiment is described below with reference to fig. 1 to 12, where the valve housing 4 includes a housing 4-1, a boss 4-2, a threaded post 4-3, a side pipe 4-4, a rectangular sealing ring 4-5, an annular sealing ring II4-6, a lower pipe 4-7, a rectangular rubber ring 4-8, a fastening screw seat 4-9, and a fastening screw 4-10, the housing 4-1 is a rectangular box-shaped structure with an open front end, the lower end of the circular pipe 1-9 is connected and communicated with the upper end of the housing 4-1, the left side of the housing 4-1 is connected and communicated with the side pipe 4-4, the front end of the housing 4-1 is connected and connected with the rectangular sealing ring 4-5, four corners of the front end of the housing 4-1 are fixedly connected with the boss 4-2, the front ends of the four convex seats 4-2 are fixedly connected with threaded columns 4-3, the right side of the lower end of the outer shell 4-1 is fixedly connected with a lower connecting pipe 4-7, the lower connecting pipe 4-7 extends into the outer shell 4-1, the upper end of the lower connecting pipe 4-7 is connected with an annular sealing ring II4-6 in an adhering mode, the right side of the outer shell 4-1 is provided with a rectangular hole, the rectangular hole on the right side of the outer shell 4-1 is fixedly connected with a rectangular rubber ring 4-8, the rear end on the right side of the outer shell 4-1 is fixedly connected with a fastening screw seat 4-9, and a fastening screw 4-10 is connected onto the fastening screw.

The sixth specific implementation mode:

referring to fig. 1-12, the gate plate 5 comprises a gate plate body 5-1 and a liquid through hole 5-2, the plug 5-3 and the pull ring 5-4, the shutter body 5-1 is connected to the right side of the outer shell 4-1 in a sliding mode, the shutter body 5-1 is connected with the rectangular rubber ring 4-8 in a sliding mode, the right end of the shutter body 5-1 is fixedly connected with the pull ring 5-4, the left end of the shutter body 5-1 is located inside the outer shell 4-1, the left end of the shutter body 5-1 is provided with a liquid through hole 5-2, the left end of the shutter body 5-1 is fixedly connected with the plug 5-3, the plug 5-3 is connected to the right end of the side connecting pipe 4-4 in a plugging mode, and the lower end face of the shutter body 5-1 is attached to an annular sealing ring II4-6 at the upper. Fluid can enter the outer shell 4-1 from the tubulars 1-9. The flashboard body 5-1 can slide left and right on the outer shell 4-1 to drive the plug 5-3 to slide left and right, the pull ring 5-4 is arranged to facilitate the pulling of the flashboard body 5-1 to slide left and right, when the plug 5-3 is inserted at the right end of the side connecting pipe 4-4, when the flashboard body 5-1 is blocked at the upper end of the lower connecting pipe 4-7, the valve is in a closed state, when the flashboard body 5-1 is pulled rightwards, the flashboard body 5-1 drives the plug 5-3 to leave the side connecting pipe 4-4, at this time, the side connecting pipe 4-4 is opened, the valve is a two-way valve, the gate body 5-1 is continuously pulled to move rightwards, so that the liquid through hole 5-2 is positioned at the upper end of the lower connecting pipe 4-7, the lower connecting pipe 4-7 is also communicated, and the valve is changed into a three-way valve. When the fastening screw 4-10 is rotated to push against the shutter body 5-1, the shutter body 5-1 can be fixed to prevent the shutter body 5-1 from sliding freely. The rectangular rubber ring 4-8 plays a role of sealing between the shutter body 5-1 and the outer casing 4-1.

The seventh embodiment:

in the following, the present embodiment is described with reference to fig. 1 to 12, four corners of the valve side cover 6 are respectively inserted into four threaded columns 4 to 3, the four threaded columns 4 to 3 are respectively connected with nuts II through threads, the four nuts II are all located at the front end of the valve side cover 6, and the rear end of the valve side cover 6 is supported on the rectangular sealing ring 4 to 5. The valve side cover 6 is used for sealing the front end of the outer shell 4-1, and the rectangular sealing ring 4-5 plays a role in sealing between the valve side cover 6 and the outer shell 4-1. The four nuts II are removed to remove the valve-side cover 6, thereby facilitating repair of the inside of the outer case 4-1.

The working principle of the invention is as follows: the inner sides of the internal thread connecting rings 1-8 are provided with threads, the internal thread connecting rings 1-8 can be directly connected with an external pipeline, the annular sealing ring I1-6 plays a role in sealing between the external pipeline and the internal thread connecting rings 1-8, and fluid in the external pipeline can flow into the position of the valve shell 4 through the circular pipes 1-9. Screws can be inserted into the front end and the rear end of the fixed rod 2-4, so that the fixed rod 2-4 is fixedly connected to a ship body, the top block 2-3 can rotate on the short shaft 2-2 to adjust the inclination of the vertical track rod 2-1, the top block 2-3 can be fixed on the fixed rod 2-4 by pushing the top block 2-3 with a rotating nut I, and the flat seat 1 is adjusted to be in a relatively horizontal position by adjusting the inclination of the two vertical track rods 2-1. The flat plate 1-1 can vertically slide on the two vertical track rods 2-1, the height of the flat plate 1-1 is adjusted, and the position of the flat plate 1-1 can be fixed by rotating the two fastening screws 1-2 to respectively abut against the two vertical track rods 2-1. The rotating plate 3-1 can rotate on the hinged seat 1-4, the connecting screw 3-2 is connected to the internal thread cylinder 1-5 through threads, so that the conical ring 3-4 can be tightly pressed on the conical sealing ring 1-7, the connector tube 3-3 is rotated to a left end position connector when the connector assembly 3 is not needed, the conical ring 3-4 is inserted into the upper end of the circular tube 1-9 and is attached to the conical sealing ring 1-7 when the connector assembly 3 is used, and at the moment, the upper end of the connector tube 3-3 can be connected with an external pipeline, so that the invention can be connected with external pipelines with two sizes. Fluid can enter the outer shell 4-1 from the tubulars 1-9. The flashboard body 5-1 can slide left and right on the outer shell 4-1 to drive the plug 5-3 to slide left and right, the pull ring 5-4 is arranged to facilitate the pulling of the flashboard body 5-1 to slide left and right, when the plug 5-3 is inserted at the right end of the side connecting pipe 4-4, when the flashboard body 5-1 is blocked at the upper end of the lower connecting pipe 4-7, the valve is in a closed state, when the flashboard body 5-1 is pulled rightwards, the flashboard body 5-1 drives the plug 5-3 to leave the side connecting pipe 4-4, at this time, the side connecting pipe 4-4 is opened, the valve is a two-way valve, the gate body 5-1 is continuously pulled to move rightwards, so that the liquid through hole 5-2 is positioned at the upper end of the lower connecting pipe 4-7, the lower connecting pipe 4-7 is also communicated, and the valve is changed into a three-way valve. When the fastening screw 4-10 is rotated to push against the shutter body 5-1, the shutter body 5-1 can be fixed to prevent the shutter body 5-1 from sliding freely. The rectangular rubber ring 4-8 plays a role of sealing between the shutter body 5-1 and the outer casing 4-1. The valve side cover 6 is used for sealing the front end of the outer shell 4-1, and the rectangular sealing ring 4-5 plays a role in sealing between the valve side cover 6 and the outer shell 4-1. The four nuts II are removed to remove the valve-side cover 6, thereby facilitating repair of the inside of the outer case 4-1.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims (5)

1. The utility model provides a marine valve of petrochemical industry exploitation, includes flat seat (1), mount (2), interface module (3), valve shell (4), flashboard (5) and valve side cap (6), its characterized in that: the fixed frame (2) is connected to the left end of the flat seat (1) in a sliding manner, the interface component (3) is hinged to the flat seat (1), the valve shell (4) is fixedly connected to the lower end of the flat seat (1), the flashboard (5) is connected to the valve shell (4) in a sliding manner, and the valve side cover (6) is fixedly connected to the front end of the valve shell (4);

the flat seat (1) comprises a flat plate (1-1), fastening screws I (1-2), rectangular holes (1-3), hinged seats (1-4), an internal thread cylinder (1-5), annular sealing rings I (1-6), conical sealing rings (1-7), internal thread connecting rings (1-8) and round pipes (1-9), the front end and the rear end of the left end of the flat plate (1-1) are respectively provided with the rectangular holes (1-3), the positions of the two rectangular holes (1-3) on the flat plate (1-1) are respectively connected with the fastening screws I (1-2) through threads, the left end of the flat plate (1-1) is fixedly connected with the hinged seats (1-4), the middle end of the flat plate (1-1) is fixedly connected with the internal thread cylinder (1-5), and the round pipes (1-9) are fixedly connected at the right end of the flat plate (1-1), the inner side of the upper end of each circular tube (1-9) is a conical edge, a conical sealing ring (1-7) is bonded on the conical edge of the inner side of the upper end of each circular tube (1-9), the upper end of each circular tube (1-9) is fixedly connected with an internal thread connecting ring (1-8), and an annular sealing ring I (1-6) is bonded on each internal thread connecting ring (1-8);

the connector assembly (3) comprises a rotating plate (3-1), a connecting screw (3-2), a connector tube (3-3) and a conical ring (3-4), the left end of the rotating plate (3-1) is hinged to a hinged seat (1-4), the connecting screw (3-2) is inserted into the middle end of the rotating plate (3-1) in a clearance fit mode, the lower end of the connecting screw (3-2) is connected to an internal thread cylinder (1-5) through threads, the right end of the rotating plate (3-1) is fixedly connected with the connector tube (3-3), the lower end of the connector tube (3-3) is fixedly connected with the conical ring (3-4), and the conical ring (3-4) is inserted into the upper end of a circular tube (1-9) and attached to a conical sealing ring (1-7).

2. The valve for a petrochemical mining ship according to claim 1, wherein: the fixed frame (2) comprises a vertical track rod (2-1) and a short shaft (2-2), the fixing device comprises a top block (2-3) and a fixing rod (2-4), wherein the front end and the rear end of the lower end of the top block (2-3) are fixedly connected with vertical track rods (2-1), the two vertical track rods (2-1) are respectively connected onto two rectangular holes (1-3) in a sliding mode, two fastening screws I (1-2) are respectively propped against the two vertical track rods (2-1), the middle end of the fixing rod (2-4) is fixedly connected with a short shaft (2-2), the short shaft (2-2) is inserted into the middle end of the top block (2-3) in a clearance fit mode, the right end of the short shaft (2-2) is connected with a nut I through threads, and the fixing rod (2-4) and the nut I are respectively located at the left end and the right end of the top block (2.

3. The valve for a petrochemical mining ship according to claim 2, wherein: the valve shell (4) comprises a shell body (4-1), a convex seat (4-2), a threaded column (4-3), a side connecting pipe (4-4), a rectangular sealing ring (4-5), an annular sealing ring II (4-6), a lower connecting pipe (4-7), a rectangular rubber ring (4-8), a fastening screw seat (4-9) and a fastening screw II (4-10), wherein the shell body (4-1) is of a cuboid box-shaped structure with an open front end, the lower end of a circular pipe (1-9) is connected and communicated with the upper end of the shell body (4-1), the left side of the shell body (4-1) is connected and communicated with the side connecting pipe (4-4), the front end of the shell body (4-1) is connected and connected with the rectangular sealing ring (4-5) in an adhering mode, the convex seats (4-2) are fixedly connected at four corners of the front end of the shell body, the front ends of the four convex seats (4-2) are fixedly connected with threaded columns (4-3), the right side of the lower end of the outer shell (4-1) is fixedly connected with a lower connecting pipe (4-7), the lower connecting pipe (4-7) extends into the outer shell (4-1), the upper end of the lower connecting pipe (4-7) is connected with an annular sealing ring II (4-6) in an adhering mode, the right side of the outer shell (4-1) is provided with a rectangular hole, the rectangular hole on the right side of the outer shell (4-1) is fixedly connected with a rectangular rubber ring (4-8), the rear end of the right side of the outer shell (4-1) is fixedly connected with a fastening screw seat (4-9), and the fastening screw seat (4-9) is connected with a fastening screw II.

4. The valve for a petrochemical mining ship according to claim 3, wherein: the gate plate (5) comprises a gate plate body (5-1), a liquid through hole (5-2), a plug (5-3) and a pull ring (5-4), the gate plate body (5-1) is connected to the position of the rectangular hole on the right side of the outer shell (4-1) in a sliding mode, the gate plate body (5-1) is connected with the rectangular rubber ring (4-8) in a sliding mode, the pull ring (5-4) is fixedly connected to the right end of the gate plate body (5-1), the left end of the gate plate body (5-1) is located inside the outer shell (4-1), the liquid through hole (5-2) is formed in the left end of the gate plate body (5-1), the plug (5-3) is fixedly connected to the left end of the gate plate body (5-1), the plug (5-3) is inserted into the right end of the side connection pipe (4-4), and an annular sealing ring II (4) is arranged between the lower end face of the 6) And (7) attaching.

5. The valve for a petrochemical mining ship according to claim 4, wherein: four corners of the valve side cover (6) are respectively inserted into the four threaded columns (4-3), the four threaded columns (4-3) are all connected with nuts II through threads, the four nuts II are located at the front end of the valve side cover (6), and the rear end of the valve side cover (6) is supported on the rectangular sealing ring (4-5).