CN206361220U - The rotation cylinder black water regulating valve of anti-cavitation - Google Patents
The rotation cylinder black water regulating valve of anti-cavitation Download PDFInfo
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- CN206361220U CN206361220U CN201621439542.XU CN201621439542U CN206361220U CN 206361220 U CN206361220 U CN 206361220U CN 201621439542 U CN201621439542 U CN 201621439542U CN 206361220 U CN206361220 U CN 206361220U
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- pipeline section
- valve
- regulating valve
- cylindrical shape
- flange disk
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Abstract
The utility model discloses a kind of rotation of anti-cavitation cylinder black water regulating valve, it is related to black water regulating valve field, the regulating valve includes valve body, flange connections, flange connections include first flange disk, reducer pipe, second flange disk, first flange disk and second flange disk are separately fixed at the two ends of reducer pipe, the internal diameter of first flange disk is less than the internal diameter of second flange disk, valve body water side is connected with first flange disk, reducer pipe includes the first pipeline section, second pipeline section, the internal diameter of first pipeline section is less than the internal diameter of the second pipeline section, the bottom of first pipeline section is connected with the top of the second pipeline section, the top connection first flange disk of first pipeline section, the bottom connection second flange disk of second pipeline section；The regulating valve also includes cylindrical shape protecting pipe, and cylindrical shape protecting pipe is nested in the inner side of the first pipeline section.The utility model can reduce destruction of the cavitation to flange connections, the service life of extension rotation cylinder black water regulating valve.
Description
Technical field
The utility model is related to black water regulating valve field, and in particular to a kind of rotation cylinder black water regulating valve of anti-cavitation.
Background technology
In coal chemical industry system mesohigh flash tank, vacuum flasher and the high valve dodged on the system equipments such as tank deck separator
Applying working condition is harsh, and fluid media (medium) is mainly Heisui River, pulp water and the buck of high temperature.Heisui River, pulp water and buck contain chlorion,
Pressure difference is big before and after the strong corrosive mediums, and valve such as ammonia, sylvite, hydrogen sulfide or phosphoric acid.Medium has obstruction to flow when flowing through valve seat
Occur, high-velocity fluid produces flash distillation, cavitation, poly bubble explosion process of the medium in valve pocket can discharge very big energy, to valve body
The parts such as internal and restricting element produce strong destruction, form cavitation.Cylinder black water regulating valve is revolved due to the design of cylinder-rotating valve element,
The quantity of bubble when pressure recovers is reduced, cavitation damage is reduced, cavitation is occurred as far as possible in diffuser, so as to ensure
Downstream tube wall is not destroyed, potential safety hazard of the reduction downstream pipe fitting caused by cavitation.
Rotation cylinder black water regulating valve is applied on coal chemical industry process system, changes the installation of conventional regulator valve seat and valve body
Mode, has the advantages that to install and repair online.However, still there are some defects in existing rotation cylinder black water regulating valve.
Shown in Figure 1, the middle part for the flange connections that existing rotation cylinder black water regulating valve exit is set is taper, when Heisui River is from valve
When core runs underneath to flange connections, Heisui River is closer apart from the inwall of flange connections, easily causes cavitation, shortens rotation cylinder Heisui River
The service life of regulating valve.
Utility model content
The purpose of this utility model is that there is provided a kind of rotation of anti-cavitation cylinder Heisui River in order to overcome the shortcomings of above-mentioned background technology
Regulating valve, the utility model can reduce destruction of the cavitation to flange connections, the service life of extension rotation cylinder black water regulating valve.
The utility model provides a kind of rotation cylinder black water regulating valve of anti-cavitation, and the regulating valve includes valve body, flange connections,
The valve body includes water inlet end and water side, and the water inlet end is located at valve body-side, and the water side is located at body base, described
Flange connections include first flange disk, reducer pipe, second flange disk, and the first flange disk and second flange disk are fixed respectively
At the two ends of the reducer pipe, the internal diameter of the first flange disk is less than the internal diameter of second flange disk, the water side of the valve body
It is connected with the first flange disk, the reducer pipe includes the first pipeline section, the second pipeline section, the internal diameter of first pipeline section is less than
The internal diameter of second pipeline section, first pipeline section, the second pipeline section are cylindrical, and the longitudinal center line of the first pipeline section and the second pipe
The longitudinal center line of section is overlapped；The bottom of first pipeline section is connected with the top of the second pipeline section, the top of first pipeline section
End connection first flange disk, the bottom connection second flange disk of second pipeline section；The regulating valve also includes cylindrical shape protecting pipe,
The cylindrical shape protecting pipe is nested in the inner side of first pipeline section.
On the basis of above-mentioned technical proposal, the flange connections are integrally formed.
On the basis of above-mentioned technical proposal, the water side of the first flange disk and the valve body passes through screw bolt and nut
It is connected, lower anti-wear gasket is additionally provided between the water side of the first flange disk and the valve body.
On the basis of above-mentioned technical proposal, the regulating valve is used cooperatively with actuator, and the regulating valve also includes valve element, institute
Stating valve element includes cylindrical shape core body and the body of rod for connecting actuator, and the side wall of the cylindrical shape core body is provided with water inlet, institute
The water inlet end that water inlet is stated with valve body is corresponding, and the bottom of the cylindrical shape core body is provided with delivery port, the delivery port and valve body
Water side it is corresponding, the bottom of the body of rod is connected with the top of the cylindrical shape core body, the body of rod and cylindrical shape core body
It is integrally formed.
On the basis of above-mentioned technical proposal, the bottom of the top of the cylindrical shape protecting pipe and the cylindrical shape core body it
Between be provided with for sealed metal wound gasket.
On the basis of above-mentioned technical proposal, the water inlet end of the valve body includes cone-shaped flange interface, the cone-shaped flange
Spring capping, dustproof gland, the lateral wall of the cylindrical shape core body and the cone-shaped flange interface madial wall are provided with interface
Between be provided with valve seat, seal assembly is horizontally arranged between the valve seat and the cone-shaped flange interface madial wall, it is described close
The graphite packing that sealing assembly is set by compression spring and compression spring two ends is constituted, and one end of the seal assembly supports valve seat,
The other end supports spring capping, and the dustproof gland lid is located on the outside of the spring capping.
On the basis of above-mentioned technical proposal, the cylindrical shape core body and cylindrical shape protecting pipe are using tungsten carbide sintering
Into.
On the basis of above-mentioned technical proposal, the top of the valve body, which is provided with to be provided with the middle part of bonnet, the bonnet, supplies valve
Filler is filled between the through hole that the body of rod of core is passed through, and the through hole and the body of rod.
On the basis of above-mentioned technical proposal, filler pressing sleeve is provided with above the filler, the bonnet top is set
There is the screw bolt and nut for pressing the filler pressing sleeve.
On the basis of above-mentioned technical proposal, the top of the bonnet is additionally provided with actuator mounting bracket, the execution
Device mounting bracket is fixedly connected by bracket screw with the bonnet.
Compared with prior art, advantage of the present utility model is as follows：
(1) in the utility model, the flange connections of black water regulating valve water side include integrally formed first flange disk,
Reducer pipe, second flange disk, reducer pipe are formed by connecting by two sections of different pipelines of diameter, and the segment pipe close to valve element is also set up
There is cylindrical shape protective case, when Heisui River flows downwardly into flange connections from valve element, Heisui River will not touch flange connections substantially
Tube wall, reduce destruction of the cavitation to flange connections, the service life of extension rotation cylinder black water regulating valve.
(2) in the utility model, seat design can effectively compress valve element, make fluid and debris in the water inlet of valve element
Can not enter valve chamber, not only good airproof performance, it is ensured that pressure balance in valve body, it is safe and reliable, while can also make valve element and valve
Body realizes automatically cleaning.Valve seat is supported by compression spring, so as to reach the purpose for pressing valve element so that the cylindrical shape valve of high in and low out
Core core body remains to keep stabilized seal state in regulation, it is to avoid the generation of dithering noise, improves the life-span of valve element.
(3) in the utility model, because the core body and the body of rod in valve element are unitary designs, add valve seat and press cylindrical shape
Core body, will not form medium dead band, and granule medium can not be flowed into stuffing-box, so as to ensure valve No leakage, while also avoiding
The body of rod and filler are in relative motion the problem of scratch, it is ensured that the service life of valve.
(4) in the utility model, cylindrical shape core body and cylindrical shape protecting pipe are formed using tungsten carbide sintering, can be improved resistance to
Mill property and corrosion resistance, service life are long.
Brief description of the drawings
Fig. 1 is the cross-sectional view of flange connections in existing black water regulating valve；
Fig. 2 is the general assembly drawing of the rotation cylinder black water regulating valve of anti-cavitation in the utility model embodiment；
Fig. 3 is the cross-sectional view of flange connections in the utility model embodiment；
Fig. 4 is the top view of flange connections in the utility model embodiment.
Reference：1-valve body, 1a-cone-shaped flange interface, 2-flange connections, 21-first flange disk, 22-become
Footpath is managed, the pipeline sections of 22a-first, the pipeline sections of 22b-second, 23-second flange disk, 3-cylindrical shape protecting pipe, 4-lower anti-wear gasket,
5-valve element, 5a-core body, the 5b-body of rod, 6-metal wound gasket, 7-spring capping, 8-dustproof gland, 9-valve seat, 10-
Compression spring, 11-graphite packing, 12-bonnet, 13-filler, 14-filler pressing sleeve, 15-actuator mounting bracket, 16-
Bracket screw, 17-go up anti-wear gasket.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the utility model.
Shown in Figure 2, the utility model embodiment provides a kind of rotation cylinder black water regulating valve of anti-cavitation, the regulating valve bag
Valve body 1, flange connections 2 are included, valve body 1 includes water inlet end and water side, and water inlet end is located at the sidepiece of valve body 1, and water side is located at valve
The bottom of body 1, flange connections 2 are integrally formed；Referring to shown in Fig. 3, Fig. 4, flange connections 2 include first flange disk 21, reducing
Pipe 22, second flange disk 23, first flange disk 21 and second flange disk 23 are separately fixed at the two ends of reducer pipe 22, first flange
The internal diameter of disk 21 is less than the internal diameter of second flange disk 23, and the water side of valve body 1 is connected with first flange disk 21, specific connection side
Formula is：First flange disk 21 is connected with the water side of valve body 1 by equilong threaded stud and hex nut, first flange disk 21
Lower anti-wear gasket 4 is additionally provided between the water side of valve body 1；Reducer pipe 22 includes the first pipeline section 22a, the second pipeline section 22b, first
Pipeline section 22a internal diameter is less than the second pipeline section 22b internal diameter, and the first pipeline section 22a, the second pipeline section 22b are cylindrical, and the first pipe
Section 22a longitudinal center line is overlapped with the second pipeline section 22b longitudinal center line；First pipeline section 22a bottom and the second pipeline section 22b
Top be connected, the first pipeline section 22a top connection first flange disk 21, the second pipeline section 22b bottom connection second flange
Disk 23；The regulating valve also includes the cylindrical shape protecting pipe 3 sintered using tungsten carbide, and cylindrical shape protecting pipe 3 is nested in first
Pipeline section 22a inner side, and be fitted close with the first pipeline section 22a.
The regulating valve is used cooperatively with actuator, the regulating valve also include valve element 5, valve element 5 include cylindrical shape core body 5a and
Body of rod 5b for connecting actuator, cylindrical shape core body 5a are formed using tungsten carbide sintering；Cylindrical shape core body 5a side wall is provided with
Water inlet, water inlet is corresponding with the water inlet end of valve body 1, and cylindrical shape core body 5a bottom is provided with delivery port, delivery port and valve body 1
Water side it is corresponding, body of rod 5b bottom is connected with cylindrical shape core body 5a top, body of rod 5b and cylindrical shape core body 5a one
Shaping.It is provided between the top of cylindrical shape protecting pipe 3 and cylindrical shape core body 5a bottom for sealed metal wound gasket 6.
The water inlet end of valve body 1 includes cone-shaped flange interface 1a, is provided with spring capping 7 in cone-shaped flange interface 1a, dust-proof
Gland 8, valve seat 9, valve seat 9 and coning are provided between cylindrical shape core body 5a lateral wall and cone-shaped flange interface 1a madial walls
Seal assembly is horizontally arranged between blue interface 1a madial walls, seal assembly is set by compression spring 10 and the two ends of compression spring 10
Graphite packing 11 constitute, one end of seal assembly supports valve seat 9, and the other end supports spring capping 7, and the lid of dustproof gland 8 is located at
The outside of spring capping 7.
The top of valve body 1 is provided with bonnet 12, and the middle part of bonnet 12 is provided with the through hole passed through for the body of rod 5b of valve element 5, and logical
Filler 13 is filled between hole and body of rod 5b.Anti-wear gasket 17 is additionally provided between the bottom and the top of valve element 5 of bonnet 12.Filler
13 top is provided with filler pressing sleeve 14, and the top of bonnet 12 is provided with the equilong threaded stud and six for pressing filler pressing sleeve 14
Angle nut.The top of bonnet 12 is additionally provided with actuator mounting bracket 15, actuator mounting bracket 15 by bracket screw 16 with
Bonnet 12 is fixedly connected.
Those skilled in the art can carry out various modifications and variations to the utility model embodiment, if these are changed
With modification within the scope of the utility model claim and its equivalent technologies, then these modifications and variations are also new in this practicality
Within the protection domain of type.
The prior art that the content not being described in detail in specification is known to the skilled person.
Claims (10)
1. a kind of rotation cylinder black water regulating valve of anti-cavitation, the regulating valve includes valve body (1), flange connections (2), the valve body
(1) water inlet end and water side are included, the water inlet end is located at valve body (1) sidepiece, and the water side is located at valve body (1) bottom, institute
Stating flange connections (2) includes first flange disk (21), reducer pipe (22), second flange disk (23), the first flange disk
(21) and second flange disk (23) is separately fixed at the two ends of the reducer pipe (22), the internal diameter of the first flange disk (21) is small
Internal diameter in second flange disk (23), the water side of the valve body (1) is connected with the first flange disk (21), and its feature exists
In：The reducer pipe (22) includes the first pipeline section (22a), the second pipeline section (22b), and the internal diameter of first pipeline section (22a) is less than
The internal diameter of second pipeline section (22b), first pipeline section (22a), the second pipeline section (22b) are cylindrical, and the first pipeline section (22a)
Longitudinal center line overlapped with the longitudinal center line of the second pipeline section (22b)；The bottom of first pipeline section (22a) and the second pipeline section
The top of (22b) is connected, the top connection first flange disk (21) of first pipeline section (22a), second pipeline section (22b)
Bottom connection second flange disk (23)；The regulating valve also includes cylindrical shape protecting pipe (3), and the cylindrical shape protecting pipe (3) is embedding
It is enclosed on the inner side of first pipeline section (22a).
2. the rotation cylinder black water regulating valve of anti-cavitation as claimed in claim 1, it is characterised in that：The flange connections (2) one
It is body formed.
3. the rotation cylinder black water regulating valve of anti-cavitation as claimed in claim 1, it is characterised in that：The first flange disk (21) with
The water side of the valve body (1) is connected by screw bolt and nut, the first flange disk (21) and the water outlet of the valve body (1)
Lower anti-wear gasket (4) is additionally provided between end.
4. the rotation cylinder black water regulating valve of anti-cavitation as claimed in claim 1, it is characterised in that：The regulating valve coordinates with actuator
Use, the regulating valve also includes valve element (5), the valve element (5) includes cylindrical shape core body (5a) and the bar for connecting actuator
Body (5b), the side wall of the cylindrical shape core body (5a) is provided with water inlet, and the water inlet is corresponding with the water inlet end of valve body (1),
The bottom of the cylindrical shape core body (5a) is provided with delivery port, and the delivery port is corresponding with the water side of valve body (1), the body of rod
The bottom of (5b) is connected with the top of the cylindrical shape core body (5a), the body of rod (5b) and cylindrical shape core body (5a) one into
Type.
5. the rotation cylinder black water regulating valve of anti-cavitation as claimed in claim 4, it is characterised in that：The cylindrical shape protecting pipe (3)
Top and the cylindrical shape core body (5a) bottom between be provided with for sealed metal wound gasket (6).
6. the rotation cylinder black water regulating valve of anti-cavitation as claimed in claim 4, it is characterised in that：The water inlet end of the valve body (1)
Including cone-shaped flange interface (1a), spring capping (7), dustproof gland (8) are provided with the cone-shaped flange interface (1a), it is described
Valve seat (9), the valve seat are provided between the lateral wall of cylindrical shape core body (5a) and the cone-shaped flange interface (1a) madial wall
(9) seal assembly is horizontally arranged between the cone-shaped flange interface (1a) madial wall, the seal assembly is by compression spring
(10) and graphite packing (11) composition that sets of compression spring (10) two ends, one end of the seal assembly supports valve seat (9), separately
One end supports spring capping (7), and dustproof gland (8) lid is located on the outside of the spring capping (7).
7. the rotation cylinder black water regulating valve of anti-cavitation as claimed in claim 4, it is characterised in that：The cylindrical shape core body (5a) and
Cylindrical shape protecting pipe (3) is formed using tungsten carbide sintering.
8. the rotation cylinder black water regulating valve of anti-cavitation as claimed in claim 4, it is characterised in that：The top of the valve body (1) is set
It is equipped with the middle part of bonnet (12), the bonnet (12) and is provided with the through hole passed through for the body of rod (5b) of valve element (5), and the through hole and bar
Filler (13) is filled between body (5b).
9. the rotation cylinder black water regulating valve of anti-cavitation as claimed in claim 8, it is characterised in that：Set above the filler (13)
Filler pressing sleeve (14) is equipped with, bonnet (12) top is provided with the screw bolt and nut for pressing the filler pressing sleeve (14).
10. the rotation cylinder black water regulating valve of anti-cavitation as claimed in claim 8, it is characterised in that：The top of the bonnet (12)
Actuator mounting bracket (15) is additionally provided with, the actuator mounting bracket (15) passes through bracket screw (16) and the bonnet
(12) it is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621439542.XU CN206361220U (en) | 2016-12-26 | 2016-12-26 | The rotation cylinder black water regulating valve of anti-cavitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621439542.XU CN206361220U (en) | 2016-12-26 | 2016-12-26 | The rotation cylinder black water regulating valve of anti-cavitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206361220U true CN206361220U (en) | 2017-07-28 |
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ID=59376448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621439542.XU Active CN206361220U (en) | 2016-12-26 | 2016-12-26 | The rotation cylinder black water regulating valve of anti-cavitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206361220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591510A (en) * | 2018-06-20 | 2018-09-28 | 武汉汉德阀门股份有限公司 | A kind of bilateral angle valve |
-
2016
- 2016-12-26 CN CN201621439542.XU patent/CN206361220U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591510A (en) * | 2018-06-20 | 2018-09-28 | 武汉汉德阀门股份有限公司 | A kind of bilateral angle valve |
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