CN102537464A - Erosion-resistant slag-water high-pressure angle type regulating valve - Google Patents
Erosion-resistant slag-water high-pressure angle type regulating valve Download PDFInfo
- Publication number
- CN102537464A CN102537464A CN2011104125873A CN201110412587A CN102537464A CN 102537464 A CN102537464 A CN 102537464A CN 2011104125873 A CN2011104125873 A CN 2011104125873A CN 201110412587 A CN201110412587 A CN 201110412587A CN 102537464 A CN102537464 A CN 102537464A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- seat
- valve rod
- described modulating
- Prior art date
- 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.)
- Pending
Links
Images
Landscapes
- Lift Valve (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses an erosion-resistant slag-water high-pressure angle type regulating valve. The erosion-resistant slag-water high-pressure angle type regulating valve comprises an upper valve body (7), a lower valve body (1), a valve seat (4) and a valve rod (9), wherein upper valve body (7) is provided with an inner cavity with a downward opening, an inlet (K1) which is formed on a side surface of the valve body and forms a 90-degree angle with the opening, and a valve rod extension hole which is consistent with the opening direction; the lower valve body (1) is provided with an outlet (K2), and is used for fixedly sealing the opening of the upper valve body; the valve seat (4) is provided with a center hole, is fixed in the inner cavity of the upper valve body and ensures that the center hole is aligned to the outlet; and the valve rod (9) extends in the valve rod extension hole, and a valve head (6) is fixed at the lower end of the valve rod. The erosion-resistant slag-water high-pressure angle type regulating valve is characterized in that the whole body of the valve head is made from a wear-resistant material.
Description
Technical field
The present invention relates to a kind of modulating valve, relate in particular to a kind of in coal gasification apparatus, be used to regulate have high flow rate, the erosion resistance pulp water angie type modulating valve of liquid fixed double phase flow body mediums such as the pulp water of big pressure reduction, strong erosion property, slurry, belong to technical field of valve manufacturing.
Background technique
In coal gasification apparatus pulp water processing system, owing to contain solid particle such as cinder in the medium, and flow velocity is high, pressure reduction is big, very easily causes erosion, wearing and tearing to valve.Especially flow control valve, because its working state generally is not the full-gear of low flow resistance, so the runner inner wall of its pressure control spare (comprising component such as valve head, valve seat) and valve body causes valve invalidation very easily because high speed contains the erosion of solid medium damages.To these characteristics, but traditional solution is to select that abrasion-resistance is good, the angie type modulating valve of sealing surface self-cleaning for use, and at the valve head and the valve base surface coated cemented carbide of modulating valve, improves its wear resistance.
But also there is following shortcoming in this existing technology:
First; Because hard alloy coating thickness is limited; Medium for general erosion property still can use, but in the special operation condition of the pulp water medium that flow velocity is high, pressure reduction is big, generally only can keep 2～3 months the working life of valve head and valve seat; Often maintenance or change spare part, big limitations its application in coal gasification apparatus;
The second, the general mode and the valve body that are threaded of adopting of valve seat fixed, and under the erosion effect that contains solid medium, very easily causes thread damage, and valve seat can't be pulled down, and causes very big difficulty for the maintenance and the replacing of valve seat;
The 3rd; Because MEDIA FLOW is behind the angie type modulating valve; It flows to 90 ° variation generally can take place, and the flow velocity of medium, pressure also can change when turning to, and possibly cause cavitation erosion; This just causes the runner inner wall of valve body steering position to be prone to by the medium erosion, and then valve body will be dashed leakage in the course of time.
Summary of the invention
The objective of the invention is to overcome the said shortcoming of background technique, a kind of erosion resistance pulp water high pressure angie type modulating valve is provided, this valve has characteristics such as erosion resistance, valve seat easy accessibility, longer service life.
The present invention realizes through following technological scheme:
A kind of erosion resistance pulp water high pressure angie type modulating valve comprises: upper valve body, and it has inner chamber under shed, be arranged on the valve body side and become 90 ° inlet with opening and the consistent valve rod elongated hole with opening direction; The following valve body that has outlet, the opening of this time valve body fixing seal upper valve body; The valve seat that has center hole, said valve seat are fixed in the inner chamber of upper valve body and center hole are alignd with outlet; The valve rod that in said valve rod elongated hole, extends, said valve rod lower end is fixed with valve head; Wherein, said valve head integral body is processed by high-abrasive material.
Preferably, the high-abrasive material of said valve head is the Zirconium oxide sintering pottery.
Preferably, said valve rod lower end is provided with endoporus, and said valve head adopts the temperature differential method interference to be assemblied in the valve rod endoporus.
Preferably, said valve rod lower end is provided with outside thread, and said valve head is fixed on the valve rod outside thread through the valve head fixed cover, and after screwing, screw thread edge is welded locking.
Preferably, said valve seat is clamped is fixed between said upper valve body and the following valve body.
Preferably, be equipped with gasket seal between said valve seat and the upper valve body and between valve seat and the following valve body.
Preferably, the internal surface of the center hole of said valve seat and the outlet of valve body down all is inlaid with the anti-wearing liner that high-abrasive material integral body is processed, and said high-abrasive material is the Zirconium oxide sintering pottery.
Preferably, said upper valve body inlet inner flow passage, upper valve body inner chamber are inlaid with the anti-wearing liner that high-abrasive material integral body is processed.
Preferably, said high-abrasive material is PH Stainless Steel 17-4pH.
Preferably; Between the valve rod elongated hole of said stem exterior surface and upper valve body 7; Be disposed with guide bush 10, filler 11, filler spacer 12, Packing seat 13, filler gland 17, hold-down grid 16 from bottom to up, said hold-down grid 16 is pressed in the upper end of upper valve body 7 through double-screw bolt 14 and nut 15.
The present invention compared with prior art has the following advantages:
1, the whole Zirconium oxide sintering stupalith that adopts of valve head; The valve outlet inner flow passage was all inlayed the anti-wearing liner that Zirconium oxide sintering forms under the valve seat endoporus reached; The Rockwell hardness of this wear-resisting zirconia sintered ceramic material is up to HRC70; Have advantages such as high temperature resistant, erosion resistance, improved the abrasion-resistance of valve head, valve seat and following valve body greatly, can reach 2 years its working life; The Zirconium oxide sintering ceramic wear-resisting material coefficient of thermal expansion coefficient and the metallic material thermal expansion coefficient that are adopted are approaching, and when variation of temperature, Zirconium oxide sintering pottery cooperates to remain with metallic material and closely cooperates.
2, act on simultaneously through interference fit and the fixing two kinds of fixation methods of valve head fixed cover between valve head and the valve rod, make valve head fixing more reliable, can not come off because of the effect of fluid.
3, valve seat is pressed in the upper valve body under shed through following valve body, and non-threaded fixing, easy to assemble, convenient for maintaining and replacing.
4, the anti-wearing liner that is arranged in inlet inner flow passage and the upper valve body inner chamber adopts PH Stainless Steel 17-4pH to process; This stainless steel material is corrosion-resistant, intensity is high, be prone to processing; Its Rockwell hardness can reach HRC40 after the precipitation hardening ageing treatment; Improved the abrasion-resistance of upper valve body inner flow passage, avoided upper valve body to be dashed and leak by medium.
Description of drawings
Fig. 1 is the sectional view of erosion resistance pulp water high pressure angie type modulating valve disclosed by the invention;
Fig. 2 is the partial enlarged drawing of valve head position A among Fig. 1;
Reference character is following:
1. descend valve body; 2. bolt; 3. sealing gasket; 4. valve seat; 5. sealing gasket; 6. valve head; 7. upper valve body; 8. valve head fixed cover; 9. valve rod; 10. guide bush; 11. filler; 12. filler spacer; 13. Packing seat; 14. double-screw bolt; 15. nut; 16. hold-down grid; 17. filler gland; 18. upper valve body inner chamber anti-wearing liner; 19. inlet inner flow passage anti-wearing liner; 20. valve seat endoporus anti-wearing liner; 21. outlet inner flow passage anti-wearing liner; M1. sealing surface of seat; M2. valve head sealing surface; K1. enter the mouth; K2. outlet.
Embodiment
Below in conjunction with most preferred embodiment of the present invention, content of the present invention is carried out detailed explanation:
As shown in Figure 1; Has inner chamber and to the upper valve body 7 of under shed; Said upper valve body 7 sides are provided with and become 90 ° inlet K1 with under shed; In said upper valve body 7 inlet K1 inner flow passages, be inlaid with inlet inner flow passage anti-wearing liner 19, in the inner chamber of upper valve body 7, be inlaid with upper valve body inner chamber anti-wearing liner 18.Have the following valve body 1 that exports K2 and be fixed on the lower end of upper valve body 7, be inlaid with outlet inner flow passage anti-wearing liner 21 at the said 1 outlet K2 inner flow passage of valve body down through bolt 2.
Preferably; Said valve rod 9 lower ends are provided with endoporus and/or outside thread; Said valve head 6 can adopt the temperature differential method interference to be assemblied in the valve rod endoporus; In addition, said valve head 6 also can be fixed on the outside thread of valve rod 9 lower ends through valve head fixed cover 8, and after screwing, becomes flexible preventing screw thread edge welding is fixing.
Preferably, the high-abrasive material selected for use of said valve seat endoporus anti-wearing liner 20, outlet inner flow passage anti-wearing liner 21 is the Zirconium oxide sintering pottery.
Preferably, the high-abrasive material selected for use of said upper valve body inner chamber anti-wearing liner 18, inlet inner flow passage anti-wearing liner 19 is PH Stainless Steel 17-4pH.
Preferably; For anti-fluid is revealed through the gap between valve rod and the valve rod elongated hole; Between the cylindrical and upper valve body 7 endoporus of said valve rod 9; Be disposed with guide bush 10, filler 11, filler spacer 12, Packing seat 13, filler gland 17, hold-down grid 16 from bottom to up, said hold-down grid 16 is pressed in the upper end of upper valve body 7 through double-screw bolt 14 and nut 15;
The working procedure of modulating valve of the present invention is following: during Flow-rate adjustment, valve head 6 moves under the drive of valve rod 9 and maintains a certain position, so that the rate-of flow of the outlet K2 that flows through is stabilized in a certain numerical value.At this moment; Medium is via the inner chamber of inlet K1 entering upper valve body 7, and under the throttling action of annulus between valve head 6 and the valve seat endoporus anti-wearing liner 20, velocity of medium increases; Pressure reduces, thereby makes the rate-of flow of the valve body 1 outlet K2 that flows through down drop to the numerical value that sets.
When closing, valve head 6 moves down under the drive of valve rod 9, through valve rod 9 is applied downward external force, sealing surface of seat M1 and valve head sealing surface M2 is closely contacted realize sealing.
Below modulating valve of the present invention has been made detailed description through most preferred embodiment, as it should be apparent to those skilled in the art that foregoing description only is illustrative, but not determinate.Protection scope of the present invention should be confirmed according to the content of claims.
Claims (10)
1. an erosion resistance pulp water high pressure angie type modulating valve comprises:
Upper valve body (7), it has inner chamber under shed, be arranged on the valve body side and become 90 ° inlet (K1) with opening and the consistent valve rod elongated hole with opening direction;
The following valve body (7) that has outlet (K2), the opening of this time valve body fixing seal upper valve body;
The valve seat (4) that has center hole, said valve seat are fixed in the inner chamber of upper valve body and center hole are alignd with outlet;
The valve rod (9) that in said valve rod elongated hole, extends, said valve rod lower end is fixed with valve head (6);
It is characterized in that said valve head is processed by high-abrasive material on the whole.
2. according to claims 1 described modulating valve, it is characterized in that the high-abrasive material of said valve head (6) is the Zirconium oxide sintering pottery.
3. according to claims 1 described modulating valve, it is characterized in that said valve rod (9) lower end is provided with endoporus, said valve head (6) adopts the temperature differential method interference to be assemblied in the valve rod endoporus.
4. according to each described modulating valve in claims 1 to 3, it is characterized in that said valve rod lower end is provided with outside thread, said valve head is fixed on the valve rod outside thread through the valve head fixed cover, and fixing in the back welding of screwing.
5. according to claims 1 described modulating valve, it is characterized in that said valve seat (4) is clamped to be fixed between said upper valve body (7) and the following valve body (1).
6. according to claims 5 described modulating valve, it is characterized in that, be equipped with gasket seal between said valve seat and the upper valve body and between valve seat and the following valve body.
7. according to claims 1 or 5 or 6 described modulating valve, it is characterized in that the internal surface of the center hole of said valve seat and the outlet of valve body down all is inlaid with the anti-wearing liner that high-abrasive material integral body is processed, and said high-abrasive material is the Zirconium oxide sintering pottery.
8. according to claims 1 described modulating valve, it is characterized in that said upper valve body inlet inner flow passage, upper valve body inner chamber are inlaid with the anti-wearing liner that high-abrasive material integral body is processed.
9. according to claims 8 described modulating valve, it is characterized in that said high-abrasive material is PH Stainless Steel 17-4pH.
10. according to claims 1 described modulating valve; It is characterized in that; Between the valve rod elongated hole of the outer surface of said valve rod (9) and upper valve body (7); Be disposed with guide bush (10), filler (11), filler spacer (12), Packing seat (13), filler gland (17), hold-down grid (16) from bottom to up, said hold-down grid (16) is pressed in the upper end of upper valve body (7) through double-screw bolt (14) and nut (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104125873A CN102537464A (en) | 2011-12-12 | 2011-12-12 | Erosion-resistant slag-water high-pressure angle type regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104125873A CN102537464A (en) | 2011-12-12 | 2011-12-12 | Erosion-resistant slag-water high-pressure angle type regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102537464A true CN102537464A (en) | 2012-07-04 |
Family
ID=46345089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104125873A Pending CN102537464A (en) | 2011-12-12 | 2011-12-12 | Erosion-resistant slag-water high-pressure angle type regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102537464A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257886A (en) * | 2015-11-13 | 2016-01-20 | 航天长征化学工程股份有限公司 | Corrosion-resistant and scouring-resistant regulating valve |
| CN107013685A (en) * | 2017-04-18 | 2017-08-04 | 浙江石化阀门有限公司 | A kind of liquid-operated corner type anti-friction valve and its wear resistant processing method |
| CN108843854A (en) * | 2018-08-16 | 2018-11-20 | 北京航天石化技术装备工程有限公司 | A kind of wear-resisting combination valve head |
| CN109854753A (en) * | 2018-12-20 | 2019-06-07 | 吴忠仪表有限责任公司 | It is a kind of to equip the high parameter Heisui River angle valve with flow-disturbing and ash collection flow resistance |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10007906A1 (en) * | 2000-02-21 | 2001-08-23 | Grohe Armaturen Friedrich | Thermostatically controlled mixer tap has valve head-piece which can be adjusted from outside |
| CN101982680A (en) * | 2010-11-22 | 2011-03-02 | 神华集团有限责任公司 | Stop valve |
| CN102062222A (en) * | 2010-12-21 | 2011-05-18 | 安徽铜都阀门股份有限公司 | Rotary-cutting type flow regulating angle valve |
-
2011
- 2011-12-12 CN CN2011104125873A patent/CN102537464A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10007906A1 (en) * | 2000-02-21 | 2001-08-23 | Grohe Armaturen Friedrich | Thermostatically controlled mixer tap has valve head-piece which can be adjusted from outside |
| CN101982680A (en) * | 2010-11-22 | 2011-03-02 | 神华集团有限责任公司 | Stop valve |
| CN102062222A (en) * | 2010-12-21 | 2011-05-18 | 安徽铜都阀门股份有限公司 | Rotary-cutting type flow regulating angle valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257886A (en) * | 2015-11-13 | 2016-01-20 | 航天长征化学工程股份有限公司 | Corrosion-resistant and scouring-resistant regulating valve |
| CN107013685A (en) * | 2017-04-18 | 2017-08-04 | 浙江石化阀门有限公司 | A kind of liquid-operated corner type anti-friction valve and its wear resistant processing method |
| CN108843854A (en) * | 2018-08-16 | 2018-11-20 | 北京航天石化技术装备工程有限公司 | A kind of wear-resisting combination valve head |
| CN108843854B (en) * | 2018-08-16 | 2023-10-20 | 北京航天石化技术装备工程有限公司 | Wear-resisting combination valve head |
| CN109854753A (en) * | 2018-12-20 | 2019-06-07 | 吴忠仪表有限责任公司 | It is a kind of to equip the high parameter Heisui River angle valve with flow-disturbing and ash collection flow resistance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8403003B2 (en) | Fluid pressure control device having a throttling element seal | |
| US9140369B2 (en) | Floating ball valve seal | |
| CN103574070B (en) | A kind of stop valve | |
| CN102537464A (en) | Erosion-resistant slag-water high-pressure angle type regulating valve | |
| NO340867B1 (en) | Lock valve and method for controlling a flow of a wellbore fluid with a lock valve | |
| CN101504078B (en) | Screw-in forged high pressure cage type balanced regulation cut-off corner valve | |
| CN201259012Y (en) | Automatic seal stop valve | |
| CN101504079A (en) | Screw-in forged high pressure air defense small-flow corner valve | |
| CN101225886A (en) | Regulating valve special for chlorine | |
| CN202646742U (en) | High-pressure accumulation-proof throttling stop valve | |
| CN202418668U (en) | Reversely-sealed valve capable of replacing packing on line | |
| CN201982704U (en) | Low-noise stepwise pressure-reducing flow-control valve | |
| CN206522490U (en) | High-performance HTHP safety valve | |
| CN203847741U (en) | Flow adjusting valve | |
| CN205136730U (en) | Three eccentric two -way all -metals butterfly valve sealed firmly | |
| CN204437296U (en) | Embedded forging Y type is without bonnet stop valve | |
| CN201258975Y (en) | Wedge-type single shutter gate valve | |
| CN210566376U (en) | Erosion prevention device for flash evaporation working condition | |
| CN211715800U (en) | Straight-through regulating valve internal part capable of being tightly shut off under particle working condition | |
| CN216200627U (en) | Adjusting butterfly valve | |
| CN203009855U (en) | Internal-pressure self-sealing type valve cover stop valve | |
| CN201973260U (en) | Special valve for chlorine gas | |
| CN201651333U (en) | Special valve for chlorine gas | |
| CN210118465U (en) | Forged steel stop valve | |
| CN217653267U (en) | Wear-resisting valve capable of being adjusted on line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120704 |