CN114719039B

CN114719039B - Corrosion-resistant valve special for desalination

Info

Publication number: CN114719039B
Application number: CN202210633152.XA
Authority: CN
Inventors: 王世伟
Original assignee: NANTONG CHANGJIANG VALVE MANUFACTURING CO LTD
Current assignee: NANTONG CHANGJIANG VALVE MANUFACTURING CO LTD
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-10-28
Anticipated expiration: 2042-06-07
Also published as: CN114719039A

Abstract

The invention discloses a corrosion-resistant valve special for desalination, and relates to the technical field of valves; the valve comprises a valve body, a base and a valve sleeve, wherein the base and the valve sleeve are respectively installed at the bottom and the top of the valve body, a support is installed on the outer side of the valve sleeve, a valve actuator is fixedly installed at the top of the support, a valve adjusting screw is screwed in the middle of the valve actuator, a shaft seal filler in sealing connection with the valve adjusting screw is installed at the top of the valve sleeve, and the base is internally of a hollow structure. When the valve flow guide mechanism is impacted by water flow when the valve adjusts the flow, the valve flow guide mechanism shakes to avoid attachment of crystallized salt, the valve flow guide mechanism is connected with the inner space of the base through the discharge groove, the crystallized salt falls into the base through the discharge groove when the valve is in small-flow circulation, when the valve is in large flow, the dredging rod rises to plug the discharge groove, the valve body is driven to shake by impacting the valve flow guide mechanism with the help of large-flow water, and attachment of the crystallized salt is effectively avoided.

Description

Corrosion-resistant valve special for desalination

Technical Field

The invention relates to the technical field of valves, in particular to a corrosion-resistant valve special for desalination.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to the functions, the valve can be divided into a shut-off valve, a check valve, a regulating valve and the like, is a control part in a fluid conveying system, and has the functions of stopping, regulating, guiding, preventing reverse 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 most sophisticated valves used in autonomous systems.

Salt is in the chemistry, the compound that a kind of metal ion or ammonium ion and acid radical ion pass through the ionic bond and combine to form, dissolve in water and can dissociate out all ions, when meetting the salt water desorption in production, need use anticorrosive valve for avoid the valve to be corroded and cause the phenomenon of leaking, the sepage, at present, traditional anticorrosive valve only wraps up anticorrosive bush in valve body inboard and case outside, the local velocity of flow of salt water reduces when valve low discharge uses, it is inside attached to the valve to separate out the salt crystallization easily, cause the valve to open and shut hard and can't close complete phenomenon to take place.

In view of the above, the present invention provides a corrosion-resistant valve dedicated for desalination, so as to solve the technical problems in the prior art.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a special valve for desalination, which is corrosion-resistant.

The invention provides a corrosion-resistant valve special for desalination, which comprises a valve body, a base and a valve sleeve, wherein the base and the valve sleeve are respectively arranged at the bottom and the top of the valve body, a support is arranged on the outer side of the valve sleeve, a valve actuator is fixedly arranged at the top of the support, a valve adjusting screw is screwed in the middle of the valve actuator, a shaft seal filler which is in sealing connection with the valve adjusting screw is arranged at the top of the valve sleeve, the base is of a hollow structure, a valve bushing mechanism made of anticorrosive materials and two valve guide mechanisms with elastic deformation functions are arranged inside the valve body, the valve bushing mechanism is composed of a lower bushing, a connecting bushing, an upper bushing and a sealing end cover, a valve cavity is arranged between the lower bushing, the connecting bushing, the upper bushing and the sealing end cover, an installation ring groove which is matched with the valve filler is arranged at the top of the sealing end cover, the two valve guide mechanisms are respectively arranged at the outer ends of the two connecting bushings, a discharge groove is arranged at the bottom of the lower bushing and is connected with the valve cavity and the base, a valve core mechanism is slidably arranged with a valve guide rod, and a dredging rod which is matched with the discharge groove.

In the present invention, preferably, the valve diversion mechanism is composed of a main diversion pipe and an extension pipe, and two sections of corrugated pipe portions are arranged outside the extension pipe.

In the invention, preferably, the outer side of the extension pipe is sleeved with a limiting ring assembly, and the outer side of the limiting ring assembly is stably connected with the inner wall of the valve body.

Preferably, the limiting ring assembly comprises a hoop, the hoop is internally provided with anti-run-off threads, and a plurality of groups of arc-shaped elastic sheets are arranged between the outer side of the hoop and the inner wall of the valve body.

In the invention, preferably, the inner walls of the two sides of the upper bushing are both provided with rectangular grooves, and the inner walls of the rectangular grooves are provided with a plurality of elastic teeth.

In the present invention, preferably, the valve core mechanism is composed of a valve core main body and a valve core bushing, a sealing end is provided at the bottom end of the valve core bushing, and a plurality of sealing strip portions which are distributed in a staggered manner with the elastic teeth are provided at the outer side of the valve core bushing.

In the invention, preferably, the two sides of the base are both provided with the sealing end plates, the inner sides of the sealing end plates are provided with the collecting plates, and the surfaces of the collecting plates are in a loose and porous structure.

In the invention, preferably, the top end and the bottom end of the dredging rod are both in a circular truncated cone-shaped structure, two impurity discharging grooves are formed in the middle of the dredging rod, and groove ends in the circular truncated cone-shaped structure are formed in two ends of each impurity discharging groove.

In the invention, preferably, the top end of the valve actuator is provided with a thread ring, and the outer side of the thread ring is in threaded connection with an oil can.

Compared with the prior art, the invention provides a corrosion-resistant valve special for desalination, which has the following beneficial effects:

the valve anti-corrosion bushing is divided into a valve guide mechanism, a lower bushing, a connecting bushing, an upper bushing and a sealing end cover, the surface of a valve, which is contacted with a solution, is effectively coated, and the anti-corrosion effect is improved, wherein when the valve guide mechanism is impacted by water flow when the valve regulates the flow, the valve guide mechanism can vibrate to avoid attachment of crystallized salt, discharge grooves are formed in the lower ends of a valve cavity and a valve core mechanism and are connected with the inner space of a base through the discharge grooves, when the valve circulates at a small flow, the crystallized salt falls into the base through the discharge grooves, when the valve has a large flow, a dredging rod rises to plug the discharge grooves, the valve guide mechanism is impacted by the water at a large flow to drive the valve body to vibrate, the attachment of the crystallized salt is effectively avoided, the anti-corrosion effect of the valve is further improved, the phenomenon that the valve is blocked due to salt crystallization is effectively avoided, and the phenomenon that the valve is not tightly closed is caused is effectively avoided, and the stability of the flow regulation of the valve is improved.

Drawings

FIG. 1 is a schematic structural diagram of a valve for desalination with corrosion resistance according to the present invention;

FIG. 2 is a schematic cross-sectional structural view of a valve liner mechanism with a corrosion-resistant valve dedicated for desalination according to the present invention;

FIG. 3 is a schematic structural diagram of a valve liner mechanism with a corrosion-resistant valve for desalination according to the present invention;

FIG. 4 is a schematic structural diagram of a valve core mechanism of the valve special for desalination with corrosion resistance, which is provided by the invention;

FIG. 5 is a schematic structural diagram of a valve diversion mechanism with a corrosion-resistant valve dedicated for desalination according to the present invention;

FIG. 6 is a schematic structural diagram of a stop collar assembly with a corrosion-resistant valve dedicated for desalination according to the present invention.

In the figure: 1. a valve body; 2. a valve diversion mechanism; 201. a flow guide pipe; 202. an extension pipe; 203. a bellows portion; 3. dredging the rod; 4. a discharge chute; 5. sealing the end plate; 6. a base; 7. a lower bushing; 8. connecting the bushing; 9. a valve core mechanism; 901. a valve core main body; 902. sealing the end; 903. a spool bushing; 904. sealing the strip part; 10. an upper bushing; 11. a valve housing; 12. shaft seal packing; 13. a valve actuator; 14. an oil can; 15. a valve adjusting screw; 16. a support; 17. a limit ring assembly; 1701. a hoop; 1702. an arc-shaped elastic sheet; 1703. thread shedding prevention; 18. a valve cavity; 19. an elastic tooth; 20. sealing the end cap; 21. a rectangular groove.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the figures, which are based on the orientations and positional relationships shown in the figures, and are used for convenience in describing the patent and for simplicity in description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by one of ordinary skill in the art as appropriate.

Referring to fig. 1-6, the valve special for desalination with corrosion resistance comprises a valve body 1, a base 6 and a valve sleeve 11, wherein the base 6 and the valve sleeve 11 are respectively installed at the bottom and the top of the valve body 1, a support 16 is installed at the outer side of the valve sleeve 11, a valve actuator 13 is fixedly installed at the top of the support 16, a valve adjusting screw 15 is screwed in the middle of the valve actuator 13, a shaft seal filler 12 hermetically connected with the valve adjusting screw 15 is installed at the top of the valve sleeve 11, the base 6 is of a hollow structure, a valve bushing mechanism made of an anticorrosive material and two valve guide mechanisms 2 with elastic deformation functions are arranged in the valve body 1, the valve bushing mechanism is composed of a lower bushing 7, a connecting bushing 8, an upper bushing 10 and a sealing end cover 20, a valve cavity 18 is arranged between the lower bushing 7, the connecting bushing 8, the upper bushing 10 and the sealing end cover 20, an installation ring groove adapted to the shaft seal filler 12 is arranged at the top of the sealing end cover 20, the two valve guide mechanisms 2 are respectively installed at the bottom of the two connecting bushings 8 and are stable, a discharge groove 4 is arranged at the bottom of the lower bushing 7, the valve cavity 4 is connected with the valve cavity 18 and the base 6, a sliding rod 9 is installed in the inner part of the sealing end of the valve sleeve 18, a valve core adjusting mechanism 9, and a discharge rod mechanism 3 is connected with a discharge rod 3, and a discharge rod 3; the valve anti-corrosion bushing is divided into a valve guide mechanism 2, a lower bushing 7, a connecting bushing 8, an upper bushing 10 and a sealing end cover 20, the surface of a valve, which is contacted with a solution, is effectively coated, and the anti-corrosion effect is improved, wherein when the valve guide mechanism 2 is impacted by water flow when the valve regulates flow, the valve guide mechanism 2 can vibrate to avoid attachment of crystalline salt, a discharge groove 4 is formed in the lower ends of a valve cavity 18 and a valve core mechanism 9, the valve cavity is connected with the inner space of a base 6 through the discharge groove 4, when the valve circulates at a small flow, the crystalline salt falls into the base 6 through the discharge groove 4, when the valve has a large flow, a dredging rod 3 rises to seal the discharge groove 4, the valve guide mechanism 2 is impacted by the water at a large flow, the valve body is driven to vibrate, the attachment of the crystalline salt is effectively avoided, the anti-corrosion effect of the valve is further improved, the phenomenon that the valve is not tightly closed due to the fact that the valve is blocked due to salt crystallization is effectively avoided, and the stability of the flow regulation of the valve is improved.

As a further scheme in the present invention, the valve diversion mechanism 2 is composed of a main diversion pipe 201 and an extension pipe 202, and two sections of bellows part 203 are disposed outside the extension pipe 202, the main diversion pipe 201 is embedded into the inlet and outlet of the valve body 1 in the valve, a cavity for oscillation is disposed between the extension pipe 202 and the interior of the valve body 1, and when a solution passes through the cavity, the inner wall of the extension pipe 202 is impacted, so as to drive the lining component of the valve to generate surging, effectively avoid the occurrence of crystallized salt particles on the surface wall of the lining, reduce the corrosion speed to the interior of the valve, and improve the accuracy of the flow regulation of the valve.

As a further scheme in the present invention, the outside of the extension pipe 202 is sleeved with the limit ring assembly 17, the outside of the limit ring assembly 17 is stably connected with the inner wall of the valve body 1, the limit ring assembly 17 is installed outside the excitation section of the valve guide mechanism 2, the vibration amplitude of the extension pipe 202 is limited by the limit ring assembly 17, so as to avoid the abrasion caused by the contact with the inner wall of the valve body 1, and the pipe diameter of the extension pipe 202 is kept stable, so that the inside and the outside of the valve are kept smooth.

As a further scheme of the present invention, the retainer ring assembly 17 includes a hoop 1701, and the hoop 1701 is internally provided with an anti-crack 1703, a plurality of sets of arc-shaped elastic pieces 1702 are arranged between the outer side of the hoop 1701 and the inner wall of the valve body 1, and the hoop 1701 and the valve body 1 are connected through the arc-shaped elastic pieces 1702, when the valve guiding mechanism 2 vibrates, the arc-shaped elastic pieces 1702 deform, and the arc-shaped elastic pieces 1702 are symmetrically arranged in groups, so as to facilitate the hoop 1701 to rapidly reset when displacing, reduce the vibration amplitude of the extension pipe 202, increase the vibration frequency, and improve the anti-crystallization effect.

As a further scheme of the present invention, the inner walls of both sides of the upper bushing 10 are provided with rectangular grooves 21, and the inner walls of the rectangular grooves 21 are provided with a plurality of elastic teeth 19, so that when the valve core mechanism 9 is lifted to adjust the flow rate, the elastic teeth 19 slide on the surface of the valve core mechanism 9, and the surface of the valve core mechanism 9 is prevented from being crystallized by scraping of the elastic teeth 19.

As a further scheme of the present invention, the valve core mechanism 9 is composed of a valve core main body 901 and a valve core bushing 903, and a sealing end 902 is provided at the bottom end of the valve core bushing 903, and a plurality of sealing portions 904 staggered with the elastic teeth 19 are provided at the outer side of the valve core bushing 903, when the valve core mechanism 9 is adjusted up and down, the sealing portions 904 slide between the elastic teeth 19, and press the elastic teeth 19 to deform, so that salt and dirt on the surface of the elastic teeth 19 cannot be accumulated, and the sealing portions 904 are engaged with each other at the elastic teeth 19, thereby improving the stability of the valve core adjustment up and down and the sealing effect on the surface.

As a further scheme of the invention, the sealing end plates 5 are arranged on two sides of the base 6, the trapping plates are arranged on the inner sides of the sealing end plates 5, the surfaces of the trapping plates are in a loose and porous structure, the trapping plates are arranged in the base 6, crystallized salt particles enter the base 6 and then are attached to the surfaces of the trapping plates, and when the valve is fully opened or closed, the dredging rod 3 blocks the discharge groove 4, so that the trapping plates in the base 6 can be cleaned, and the service life of the valve is prolonged.

As a further scheme in the invention, the top end and the bottom end of the dredging rod 3 are both in a truncated cone-shaped structure, two impurity discharging grooves are formed in the middle of the dredging rod 3, groove ends of the truncated cone-shaped structure are formed in the two ends of the material discharging groove 4, when the dredging rod 3 moves in the material discharging groove 4, the crystallized salt at the port part of the dredging rod can be pushed downwards, the salt discharging efficiency is improved, salt scale accumulation at the joint of the valve is avoided, and then, the blocking effect of the dredging rod 3 on the material discharging groove 4 is improved and the sealing performance is improved due to the fact that the two ends of the dredging rod 3 are matched with the circular table parts at the two ends of the material discharging groove 4.

As a further scheme in the present invention, a threaded ring is disposed at the top end of the valve actuator 13, an oil can 14 is screwed on the outer side of the threaded ring, and when the valve adjusting screw 15 is driven by the valve actuator 13 to ascend and descend, the top end of the valve adjusting screw 15 extends and contracts in the oil can 14, so as to bring lubricating oil into the valve actuator 13 to fully infiltrate the surface of the valve adjusting screw 15, improve the stability of opening and closing the valve, and reduce the corrosion speed of the valve adjusting screw 15 in the desalting environment.

During the use, the anticorrosive bush of valve divide into valve guiding mechanism 2, lower liner 7, connecting bushing 8, upper liner 10 and end cover 20, effectively the surface of cladding valve and solution contact, improve corrosion-resistant effect, wherein, when valve guiding mechanism 2 receives water impact when the valve regulated flow, valve guiding mechanism 2 can take place to tremble and avoid the salt of crystallization to adhere to, lower extreme at valve pocket 18 and case mechanism 9 is provided with row material tank 4, through arranging the inner space of material tank 4 connection base 6, when the small flow circulation appears in the valve, the salt of crystallization falls into base 6 through arranging material tank 4, when large-traffic appears in the valve, dredging rod 3 rises and arranges material tank 4 shutoff, strike valve guiding mechanism 2 with the help of large-traffic water, drive the valve body, effectively avoid the salt of crystallization to adhere to, further promote the anticorrosive effect of valve.

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. Valve special for desalination with corrosion resistance, including valve body (1), base (6) and valve barrel (11) are installed respectively in the bottom and the top of valve body (1), support (16) are installed in the outside of valve barrel (11), and the top fixed mounting of support (16) has valve executor (13), the middle part spiro union of valve executor (13) has valve adjusting screw (15), the top of valve barrel (11) is installed and is packed (12) with valve adjusting screw (15) sealing connection's bearing seal, base (6) inside is hollow structure, its characterized in that, the inside of valve body (1) is provided with valve bush mechanism and two valve water conservancy diversion mechanisms (2) that have the elasticity deformation function that anticorrosive material constitutes, and valve bush mechanism comprises lower liner (7), connecting bush (8), upper liner (10) and seal end cover (20), lower liner (7), connecting bush (8), upper liner (10) and seal end cover (20) are provided with valve pocket (18) between, the top of seal end cover (20) is provided with packing (12) and the adaptation of lower liner (7) is installed respectively in two discharge groove (7), two discharge bush (8) of annular installation groove (4), the discharge groove (4) is connected with the valve cavity (18) and the base (6), the valve core mechanism (9) is slidably mounted inside the valve cavity (18), the top of the valve core mechanism (9) is stably connected with the bottom end of the valve adjusting screw rod (15), the dredging rod (3) is mounted at the bottom of the valve core mechanism (9), and the dredging rod (3) is matched with the discharge groove (4);

the top end and the bottom end of the dredging rod (3) are both of a circular truncated cone-shaped structure, two impurity discharging grooves are formed in the middle of the dredging rod (3), and groove ends of the circular truncated cone-shaped structure are formed in the two ends of each material discharging groove (4).

2. The valve special for desalination with corrosion resistance according to claim 1, wherein the valve diversion mechanism (2) is composed of a main diversion pipe (201) and an extension pipe (202), and two sections of corrugated pipe parts (203) are arranged outside the extension pipe (202).

3. The valve special for desalination with corrosion resistance according to claim 2, wherein the outside of the extension pipe (202) is sleeved with a limiting ring assembly (17), and the outside of the limiting ring assembly (17) is firmly connected with the inner wall of the valve body (1).

4. The valve special for desalination with corrosion resistance as claimed in claim 3, wherein the limiting ring component (17) comprises a hoop (1701), the hoop (1701) is internally provided with an anti-stripping structure (1703), and a plurality of groups of arc-shaped elastic sheets (1702) are arranged between the outer side of the hoop (1701) and the inner wall of the valve body (1).

5. The valve for desalination of claim 1, wherein the upper liner (10) has rectangular grooves (21) on both inner walls, and the inner walls of the rectangular grooves (21) are provided with a plurality of elastic teeth (19).

6. The valve special for desalination with corrosion resistance according to claim 5, wherein the valve core mechanism (9) is composed of a valve core main body (901) and a valve core bushing (903), a sealing end (902) is arranged at the bottom end of the valve core bushing (903), and a plurality of sealing strip parts (904) which are distributed with the elastic teeth (19) in a staggered mode are arranged on the outer side of the valve core bushing (903).

7. The valve special for desalination of claim 1, characterized in that the sealed end plates (5) are installed on both sides of the base (6), and the inner sides of the sealed end plates (5) are provided with collecting plates, the surfaces of which are porous and loose.

8. The valve special for desalination with corrosion resistance according to claim 1, wherein the top end of the valve actuator (13) is provided with a thread circle, and an oil pot (14) is screwed on the outer side of the thread circle.