CN114635985A - Wear-resistant black water valve - Google Patents
Wear-resistant black water valve Download PDFInfo
- Publication number
- CN114635985A CN114635985A CN202210286716.7A CN202210286716A CN114635985A CN 114635985 A CN114635985 A CN 114635985A CN 202210286716 A CN202210286716 A CN 202210286716A CN 114635985 A CN114635985 A CN 114635985A
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- Prior art keywords
- valve
- wear
- supporting seat
- seat
- black water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a wear-resistant black water valve which comprises a valve body, wherein a valve cover is arranged at the top of the valve body, one side of the valve body is communicated with a front valve drainage tube, the other side of the valve body is communicated with a rear valve horn tube, a first supporting seat and a second supporting seat are arranged inside the valve body, a first groove is formed in one side of the first supporting seat, a second groove is formed in one side of the second supporting seat, a front valve seat is arranged inside the first groove, a rear valve seat is arranged inside the second groove, one side of the front valve drainage tube is communicated with a first wear-resistant liner tube, one side of the rear valve horn tube is communicated with a second wear-resistant liner tube, a valve plate is arranged between the first supporting seat and the second supporting seat, and the valve plate is connected with a valve rod through a T-shaped movable connecting block. The invention prolongs the service life of the black water valve, and effectively prevents particles from entering the cavity to deposit, thereby causing the blockage of the opening and closing of the valve and reducing the cost of use and maintenance.
Description
Technical Field
The invention relates to the technical field of valves in petroleum and coal chemical industry, in particular to a wear-resistant black water valve.
Background
The black water valve is generally used in high-pressure flash tank, vacuum flash tank, high-flash tank top separator and other equipment in a coal chemical system, and the black water valve is harsh in use condition, and the fluid medium of the black water valve mainly comprises high-temperature black water, slag water and grey water. The black water, the slag water and the grey water contain strong corrosive media such as chloride ions, ammonia, potassium salts, hydrogen sulfide or phosphoric acid, and the pressure difference between the front and the back of the valve is large. At the throttle opening of the valve, fluid media mixed with hard particles flow at high speed and have strong kinetic energy, so that streamline fine grooves are quickly flushed on the surfaces of a valve core or a valve seat and the like of the valve to form erosion. When the blocked flow occurs, the high-speed fluid generates flash evaporation or cavitation, and the medium releases great energy in the process of bubble aggregation and bursting in the valve cavity, so that the interior of the valve body, throttling elements and other parts are damaged strongly, and cavitation is formed. Therefore, the black water valve must meet the requirements of high corrosion resistance, high scouring resistance and high temperature resistance.
The existing black water valve is short in service life, medium particles easily enter the cavity to be deposited, so that the valve is opened and closed to block, the sealing performance of the valve is poor, the medium easily erodes a flow channel of the valve body, the use and maintenance cost is high, and people are not convenient to use the black water valve. In view of the related technical problems, no effective solution has been proposed at present.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a wear-resistant black water valve to overcome the technical problems in the related art, and aims to effectively prolong the service life of the black water valve, meet the requirements of high corrosion resistance, high scouring resistance and high temperature resistance, and effectively prevent particles from entering the cavity to deposit, so that the valve is blocked when opened and closed, the sealing performance of the valve is improved, and the use and maintenance cost is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: a wear-resistant black water valve comprises a valve body, wherein a valve cover is arranged at the top of the valve body, a front valve drainage tube is communicated with one side of the valve body, a rear valve horn tube is communicated with the other side of the valve body, a first supporting seat and a second supporting seat are arranged in the valve body, a first groove is formed in one side of the first supporting seat, a second groove is formed in one side of the second supporting seat, a front valve seat is arranged in the first groove, a rear valve seat is arranged in the second groove, a first wear-resistant liner tube is communicated with one side of the front valve drainage tube, one end, away from the front valve drainage tube, of the first wear-resistant liner tube penetrates through the first supporting seat and extends into the first groove, the tail end of the first wear-resistant liner tube is connected with the front valve seat, a second wear-resistant liner tube is communicated with one side of the rear valve horn tube, one end, away from the rear valve horn tube, of the second wear-resistant liner tube penetrates through the second supporting seat and extends into the second groove, and terminal and back disk seat are connected, be provided with the valve plate between first supporting seat and the second supporting seat, the valve plate is connected with the valve rod through T type swing joint piece, the top one end of valve rod runs through the valve gap and extends to the top of valve gap, the slag notch has been seted up to bottom one side of valve body, the top of first supporting seat and second supporting seat is provided with isolated valve pocket.
Preferably, the slag discharge port is provided with a blocking block.
Preferably, the rear bell pipe of the valve is a cylindrical structure with the inner diameter gradually expanding along the medium discharging direction, and the front draft pipe of the valve is a cylindrical structure with the inner diameter gradually expanding along the medium entering direction.
Preferably, a valve rod sealing sleeve is sleeved outside the valve rod.
Preferably, the valve body and the valve cover are fixedly connected through bolts.
Preferably, the first wear-resistant liner, the second wear-resistant liner, the front valve seat and the rear valve seat are made of hard alloy materials.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention relates to a wear-resistant black water valve which is simple in structure, effectively prolongs the service life of the black water valve, and meets the requirements of high corrosion resistance, high scouring resistance and high temperature resistance;
(2) the invention relates to a wear-resistant black water valve, which plays a role in drainage by arranging a front drainage tube of the valve, and effectively prevents a flow passage of a valve body from being washed away; the rear bell-mouthed pipe of the valve plays roles in guiding flow and reducing flow velocity, and a medium is effectively prevented from scouring a rear pipeline of the valve;
(3) the invention relates to a wear-resistant black water valve, which is characterized in that a T-shaped movable connecting block is arranged, and a valve plate is movably connected with a valve rod, so that the valve plate is always tightly attached to a front valve seat and a rear valve seat respectively, and the lasting sealing performance of the valve is ensured.
Drawings
Fig. 1 is a schematic structural view of the whole of the present invention.
In the reference symbols: 1. a valve body; 2. a valve cover; 3. a valve front drainage tube; 4. a rear flare tube of the valve; 5. a first support base; 6. a second support seat; 7. a first groove; 8. a second groove; 9. a front valve seat; 10. a rear valve seat; 11. a first wear resistant liner; 12. a second wear resistant liner; 13. a valve plate; 14. a T-shaped movable connecting block; 15. a valve stem; 16. a slag discharge port; 17. an isolated valve cavity; 18. and sealing a valve rod sleeve.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Examples
Referring to fig. 1, the present invention provides a technical solution of a wear-resistant black water valve: a wear-resistant black water valve comprises a valve body 1, a valve cover 2 is arranged at the top of the valve body 1, one side of the valve body 1 is communicated with a front valve drainage tube 3, specifically, the front valve drainage tube 3 plays a role in drainage and effectively prevents from washing a flow channel of the valve body, the other side of the valve body 1 is communicated with a rear valve horn tube 4, specifically, the rear valve horn tube 4 plays a role in diversion and reducing flow velocity and effectively prevents a medium from washing a rear valve pipeline, a first supporting seat 5 and a second supporting seat 6 are arranged inside the valve body 1, a first groove 7 is formed in one side of the first supporting seat 5, a second groove 8 is formed in one side of the second supporting seat 6, a front valve seat 9 is arranged inside the first groove 7, specifically, the front valve seat 9 is made of a hard alloy material, the surface is ground and ground, the roughness of the front valve seat is controlled below 0.25 mu m, a rear valve seat 10 is arranged inside the second groove 8, specifically, the rear valve seat 10 is made of hard alloy materials, the surface of the rear valve seat is ground and ground accurately, the roughness eye is controlled below 0.25um, one side of the front valve drainage tube 3 is communicated with a first wear-resistant liner tube 11, specifically, the first wear-resistant liner tube 11 is made of hard alloy materials, and is resistant to scouring and corrosion, the service life of the rear valve drainage tube is effectively prolonged, one end, away from the front valve drainage tube 3, of the first wear-resistant liner tube 11 penetrates through the first support seat 5 and extends into the first groove 7, the tail end of the first wear-resistant liner tube is connected with the front valve seat 9, specifically, a first circular through hole is formed in the front valve seat 9 and is connected with the first wear-resistant liner tube 11, one side of the rear valve horn tube 4 is communicated with a second wear-resistant liner tube 12, specifically, the second wear-resistant liner tube 12 is made of hard alloy materials, is resistant to scouring and corrosion, the service life of the front valve seat 9 is effectively prolonged, one end, away from the second wear-resistant liner tube 12, penetrates through the second support seat 6 and extends into the second groove 8, the tail end of the valve plate 13 is connected with a valve cover 2 and extends to the upper part of the valve cover 2, specifically, the valve plate 13 and the valve rod 15 are movably connected through a T-shaped movable connecting block 14, so that the valve plate 13 is always tightly attached to the front valve seat 9 and the rear valve seat 10, the permanent sealing performance of the valve is guaranteed, the T-shaped movable connecting block 14 is fixedly connected with the valve plate 13, the T-shaped movable connecting block 14 is movably connected with the valve rod 15, the valve plate 13 and the T-shaped movable connecting block 14 move up and down, the valve rod 15 is in an unmovable state, a slag discharge port 16 is formed in one side of the bottom of the valve body 1 and used for discharging slag through the slag discharge port 16, an isolated valve cavity 17 is formed above the first supporting seat 5 and the second supporting seat 6, specifically, in the opening and closing process of the valve, a medium flow channel is completely isolated from an inner cavity of the valve, and the situation that the opening and closing of the valve are blocked due to the fact that a medium enters a particle cavity for deposition is avoided.
Referring to fig. 1, further, a block is disposed on the slag discharge port 16.
In the present embodiment, by providing the block, it is possible to effectively prevent external impurities from entering the inside of the valve body 1 from the slag discharge port 16.
Referring to fig. 1, further, the rear flare 4 of the valve is a cylindrical structure with an inner diameter gradually expanding along the medium discharging direction, and the front draft tube 3 of the valve is a cylindrical structure with an inner diameter gradually expanding along the medium entering direction.
In the embodiment, the rear bell pipe 4 of the valve plays roles in guiding flow and reducing flow velocity, and effectively prevents a medium from scouring a rear pipeline of the valve; the front valve drainage tube 3 plays a role in drainage, and effectively prevents the flow channel of the valve body from being washed.
Referring to fig. 1, further, a stem gland 18 is sleeved outside the valve stem 15.
In the embodiment, the valve stem sealing sleeve 18 can effectively improve the sealing performance between the valve stem 15 and the valve cover 2.
Referring to fig. 1, further, the valve body 1 and the valve cover 2 are fixedly connected by bolts.
In this embodiment, the bolt is provided with a plurality of, and is circular form equidistance and distributes, passes through bolt fixed connection through setting up valve body 1 and valve gap 2, when being convenient for install and dismantle, is favorable to the maintenance in later stage.
Further, the first wear-resistant lining tube 11, the second wear-resistant lining tube 12, the front valve seat 9 and the rear valve seat 10 are all made of hard alloy materials.
In this embodiment, can effectively improve resistant scouring, corrosion resisting property, increase of service life reduces the cost of using.
In conclusion, the wear-resistant black water valve provided by the invention has a simple structure, the service life of the black water valve is effectively prolonged, the black water valve can meet the requirements of high corrosion resistance, high scouring resistance and high temperature resistance, and particles are effectively prevented from entering the cavity to deposit, so that the valve is blocked when being opened and closed, the sealing performance of the valve is improved, the use and maintenance cost is reduced, various defects in the prior art are effectively overcome, and the wear-resistant black water valve has high industrial utilization value.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element 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.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The wear-resistant black water valve comprises a valve body (1) and is characterized in that a valve cover (2) is arranged at the top of the valve body (1), one side of the valve body (1) is communicated with a valve front drainage tube (3), the other side of the valve body (1) is communicated with a valve rear horn tube (4), a first supporting seat (5) and a second supporting seat (6) are arranged in the valve body (1), a first groove (7) is formed in one side of the first supporting seat (5), a second groove (8) is formed in one side of the second supporting seat (6), a front valve seat (9) is arranged in the first groove (7), a rear valve seat (10) is arranged in the second groove (8), one side of the valve front drainage tube (3) is communicated with a first wear-resistant liner tube (11), one end, far away from the valve front drainage tube (3), of the first wear-resistant liner tube (11) penetrates through the first supporting seat (5) and extends to the inside of the first groove (7), and terminal and preceding disk seat (9) are connected, one side intercommunication of horn pipe (4) has the wear-resisting bushing pipe of second (12) behind the valve, the one end that horn pipe (4) run through second supporting seat (6) and extend to the inside of second recess (8) behind wear-resisting bushing pipe of second (12), and terminal and back disk seat (10) are connected, be provided with valve plate (13) between first supporting seat (5) and second supporting seat (6), valve plate (13) are connected with valve rod (15) through T type swing joint piece (14), the top one end of valve rod (15) runs through valve gap (2) and extends to the top of valve gap (2), slag discharge mouth (16) have been seted up to bottom one side of valve body (1), the top of first supporting seat (5) and second supporting seat (6) is provided with isolated valve pocket (17).
2. A wear-resistant black water valve according to claim 1, wherein the slag discharge opening (16) is provided with a block.
3. A wear-resistant black water valve according to claim 1, wherein the valve rear bell pipe (4) is a cylindrical structure having an inner diameter gradually expanding in a medium discharge direction, and the valve front draft pipe (3) is a cylindrical structure having an inner diameter gradually expanding in a medium entrance direction.
4. A wear-resistant black water valve according to claim 1, wherein the valve stem sealing sleeve (18) is sleeved outside the valve stem (15).
5. A wear-resistant black water valve according to claim 1, wherein the valve body (1) and the valve cover (2) are fixedly connected by means of bolts.
6. A wear resistant black water valve according to claim 1, wherein the first wear resistant liner (11), the second wear resistant liner (12), the front valve seat (9) and the rear valve seat (10) are made of cemented carbide material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210286716.7A CN114635985A (en) | 2022-03-22 | 2022-03-22 | Wear-resistant black water valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210286716.7A CN114635985A (en) | 2022-03-22 | 2022-03-22 | Wear-resistant black water valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114635985A true CN114635985A (en) | 2022-06-17 |
Family
ID=81949164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210286716.7A Pending CN114635985A (en) | 2022-03-22 | 2022-03-22 | Wear-resistant black water valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114635985A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100258754A1 (en) * | 2009-04-10 | 2010-10-14 | Bradford Haines | Control valves and methods of flowing a material through a control valve |
| CN201787105U (en) * | 2010-08-27 | 2011-04-06 | 李卫军 | Totally enclosed lift type flow passage gate valve |
| CN103438232A (en) * | 2013-07-24 | 2013-12-11 | 上海亚核阀业成套有限公司 | Self-cleaning gate valve applied to coal chemical industry |
| CN203868370U (en) * | 2014-05-21 | 2014-10-08 | 本溪市金润五金机械制造有限公司 | Electric wear-resistant lining glue gate valve |
| CN212657273U (en) * | 2020-07-01 | 2021-03-05 | 余文孟 | Wear-resisting shear valve |
| CN212672411U (en) * | 2020-07-17 | 2021-03-09 | 上海大通仪表有限公司 | Black water valve capable of preventing valve body from being abraded |
| CN113883287A (en) * | 2020-07-01 | 2022-01-04 | 余文孟 | High-temperature wear-resistant cut-off valve |
-
2022
- 2022-03-22 CN CN202210286716.7A patent/CN114635985A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100258754A1 (en) * | 2009-04-10 | 2010-10-14 | Bradford Haines | Control valves and methods of flowing a material through a control valve |
| CN201787105U (en) * | 2010-08-27 | 2011-04-06 | 李卫军 | Totally enclosed lift type flow passage gate valve |
| CN103438232A (en) * | 2013-07-24 | 2013-12-11 | 上海亚核阀业成套有限公司 | Self-cleaning gate valve applied to coal chemical industry |
| CN203868370U (en) * | 2014-05-21 | 2014-10-08 | 本溪市金润五金机械制造有限公司 | Electric wear-resistant lining glue gate valve |
| CN212657273U (en) * | 2020-07-01 | 2021-03-05 | 余文孟 | Wear-resisting shear valve |
| CN113883287A (en) * | 2020-07-01 | 2022-01-04 | 余文孟 | High-temperature wear-resistant cut-off valve |
| CN212672411U (en) * | 2020-07-17 | 2021-03-09 | 上海大通仪表有限公司 | Black water valve capable of preventing valve body from being abraded |
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