CN101520126B - Adjustable pilot-operated type steam trap valve - Google Patents
Adjustable pilot-operated type steam trap valve Download PDFInfo
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- CN101520126B CN101520126B CN 200810151065 CN200810151065A CN101520126B CN 101520126 B CN101520126 B CN 101520126B CN 200810151065 CN200810151065 CN 200810151065 CN 200810151065 A CN200810151065 A CN 200810151065A CN 101520126 B CN101520126 B CN 101520126B
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Abstract
The adjustable pilot-operated type steam trap valve comprises a main valve body 2 and a main valve bottom cover arranged on the lower part of the main valve body 2, and is characterized in that: a valve core component 4 is arranged in the main valve body 2; a main valve seat 17 is arranged in the main valve body 2 corresponding to the main valve core component 4; a piston 6 is arranged at the upper part of the main valve core component 4; a main valve return spring 3 is arranged at the lower part of the main valve core component 4; a piston sleeve 5 is arranged between the piston 6 and the main valve body 2; and the upper part of the main valve body 2 and the main valve core component 4 are provided with a pilot valve 19 correspondingly. The adjustable pilot-operated type steam trap valve adopts a pilot structure composed of a temperature sensitive wax thermodynamic component (thermostatic) and a piston main valve for achieving the functions of overlarge discharge volume and air venting of the steam trap valve; and due to the good performance of the temperature sensitive wax thermodynamic component, the whole valve has the characteristics of rapid movement, high reliability and low rate of steam loss.
Description
Technical field
The present invention relates to a kind of super large discharge temperature-sensing wax adjustable pilot-operated type drain valve technical field, relate in particular to a kind of adjustable pilot-operated type steam trap valve.
Background technique
Steam is as important secondary energy, and is essential at most industrial fields; Automatic steam trap Trap then is the important self-powering type control class valve that ensures vapour system normal operation, energy saving.Along with the development of science and technology, plant-scale continuous expansion, industrial production presents large capacity, high parameter, efficient trend, the Automatic steam trap Trap discharge capacity is required also more and more large, and in the present energy-saving drain valve: mechanical-type drain valve key element-ball float, the requirement of medium power when floating drum can't satisfy heavy caliber; Heat static force type drain valve key element-bimetal thermodynamic element is only according to many group stacks; The requirement of medium power when liquid expansion type also can't satisfy heavy caliber only according to the increase of thermodynamic element volume.
Summary of the invention
The object of the invention is to provides a kind of adjustable pilot-operated type steam trap valve for defective of the prior art, it adopts temperature-sensing wax heat power original paper (hot static(al)) to add the guide structure of piston main valve, thereby has effectively overcome the series of problems of the described existence of background technique.
Adjustable pilot-operated type steam trap valve, include valve body of main valve 2, valve body of main valve 2 bottoms are provided with main valve bottom 1, be provided with valve core of main valve assembly 4 in the described valve body of main valve 2, be provided with main valve valve seat 17 in the valve body of main valve 2 corresponding with valve core of main valve assembly 4, valve core of main valve assembly 4 tops are provided with piston 6, and valve core of main valve assembly 4 bottoms are provided with main valve returning spring 3, be provided with piston sleeve 5 between piston 6 and the valve body of main valve 2, valve body of main valve 2 tops and the valve core of main valve assembly 4 corresponding pilot valves 19 that are provided with;
Described pilot valve 19 includes the pilot valve seat 15 that is located in the pilot valve 19, with the pilot valve seat 15 corresponding pilot valve spools 9 that are provided with, pilot valve 19 is provided with the first hole 21, the first hole 21 communicates with hole on valve body of main valve 2 ante-chambers, filter screen 8 is located in the pilot valve 19 in second hole corresponding with pilot valve spool 9, the outside of filter screen 8 is provided with screw plug 7, pilot valve spool 9 bottoms are provided with pilot valve returning spring 14, pilot valve spool 9 tops are provided with pilot valve valve gap 20, filler 13 is arranged in the pilot valve valve gap 20 by Gland 12, regulate double-screw bolt 10 and be arranged in the pilot valve valve gap 20 by filler 13, regulate double-screw bolt 10 correspondences and be located at pilot valve spool 9 tops, the outside of pilot valve valve gap 20 is provided with pilot valve protective cap 11; Described pilot valve spool 9 is temperature-sensing wax type thermodynamic element.
The present invention compares with background technique, the useful effect that has is: described adjustable pilot-operated type steam trap valve, it changes the leading type structure that domestic traditional free floating ball adds piston, but adopts temperature-sensing wax heat power original paper (hot static(al)) to add the guide structure of piston main valve.It has not only realized the super large discharge of drain valve, the function of air-discharging, and because the superperformance of temperature-sensing wax heat power original paper, whole deck valve door is had be swift in motion, reliability is high, leak the low characteristics of vapour rate.The temperature-sensing wax type thermodynamic device that it adopts is a kind of new and effective thermodynamic element, and its stable performance of temperature-sensing wax type drain valve, life-span are grown, leakage vapour rate is low, energy-saving efficiency is high, and the characteristics of temperature-sensing wax type drain valve maximum are that discharge capacity is large.
Description of drawings
Fig. 1 is structure cross-sectional schematic of the present invention.
Among the figure: 1. main valve bottom; 2. valve body of main valve; 3. main valve returning spring; 4. valve core of main valve assembly; 5. piston sleeve; 6. piston; 7. screw plug; 8. filter screen; 9. pilot valve spool; 10. adjusting double-screw bolt; 11. pilot valve protective cap; 12. Gland; 13. filler; 14. pilot valve returning spring; 15. pilot valve seat; 16. piston aperture; 17. main valve valve seat; 18. sealing gasket; 19. pilot valve; 20. the pilot valve valve gap, 21. holes.
Embodiment
As shown in Figure 1, described adjustable pilot-operated type steam trap valve, include valve body of main valve 2, valve body of main valve 2 bottoms are provided with main valve bottom 1, its characteristics are: be provided with valve core of main valve assembly 4 in the described valve body of main valve 2, be provided with main valve valve seat 17 in the valve body of main valve 2 corresponding with valve core of main valve assembly 4, valve core of main valve assembly 4 tops are provided with piston 6, valve core of main valve assembly 4 bottoms are provided with main valve returning spring 3, be provided with piston sleeve 5 between piston 6 and the valve body of main valve 2, valve body of main valve 2 tops and the valve core of main valve assembly 4 corresponding pilot valves 19 that are provided with.
Described pilot valve 19 includes the pilot valve seat 15 that is located in the pilot valve 19; with the pilot valve seat 15 corresponding pilot valve spools 9 that are provided with; filter screen 8 is located in the pilot valve 19 in the hole corresponding with pilot valve spool 9; the outside of filter screen 8 is provided with screw plug 7; the pilot valve 19 corresponding with filter screen 8 is provided with hole 21; hole 21 communicates with hole on valve body of main valve 2 ante-chambers; pilot valve spool 9 bottoms are provided with pilot valve returning spring 14; pilot valve spool 9 tops are provided with pilot valve valve gap 20; filler 13 is arranged in the pilot valve valve gap 20 by Gland 12; regulate double-screw bolt 10 and be arranged in the pilot valve valve gap 20 by filler 13, regulate double-screw bolt 10 correspondences and be located at pilot valve spool 9 tops, the outside of pilot valve valve gap 20 is provided with pilot valve protective cap 11.
Be provided with sealing gasket 18 between described main valve bottom 1 and the valve body of main valve 2.Piston 6 is provided with piston aperture 16.The position that hole 21 communicates with hole on valve body of main valve 2 ante-chambers is provided with seal ring.Pilot valve spool 9 is temperature-sensing wax type thermodynamic element.
Described adjustable pilot-operated type steam trap valve when mounted, at first assembles valve core of main valve assembly 4, main valve returning spring 3, then pack main valve body 2 into from main valve body bottom 1 in, again main valve bottom 1 is compressed.Then successively with piston sleeve 5, piston 6 by the upper end of the main valve main valve body 2 of packing into, will piston and the bolt fixation of spool upper end, so far main valve assembles complete.The assembling of pilot valve can be divided into three the step finish, at first pilot valve spool and pilot valve returning spring are assembled, then by the valve body upper end it is cooperated with valve seat, then successively the adjustable structure on pilot valve spool 9 tops is assembled, compress the pilot valve valve gap, the pilot valve body of at last filter screen being packed into screws screw plug, and so far pilot valve assembling is complete.Again that pilot valve and main valve is closely fixing by bolt, at this moment whole super large discharge temperature-sensing wax adjustable pilot-operated type drain valve assembling is complete.
The pipeline of during use super large discharge temperature-sensing wax adjustable pilot-operated type drain valve being packed into, when being full of steam in the valve pocket, the temperature-sensing wax thermodynamic element is subjected to temperatures involved and extends, pilot valve cuts out, main valve then also is in closed condition owing to the acting in conjunction of pressure medium and spring force, thereby has played the effect that stops steam to be discharged.When be full of in the valve pocket be cool air the time, thermodynamic element then shrinks pilot valve is opened, cool air just can be discharged via the aperture on pilot valve, the piston, thereby plays the effect of air-discharging.When the condensed water in the pipeline flows into valve; because the temperature of condensed water is lower than the operating temperature of wax element; at this moment pilot valve also can be opened; condensed water then enters the main valve piston epicoele by the pilot valve seat orifice flow; and the sectional area of piston is greater than the sectional area of valve core of main valve; under identical pressure medium; so the downward power that piston produces is made a concerted effort greater than making progress of being subject to of spool place; at this moment main valve is just opened draining; pilot valve cut out when draining closed to an end; because the existence of aperture on the piston; the water of piston upper chamber is at once emptying not; be that main valve can not closed rapidly, thereby avoided clashing of valve core of main valve and valve seat, the sealing surface that this has not only realized the function of draining but also can protect main valve.
Claims (4)
1. adjustable pilot-operated type steam trap valve, include valve body of main valve (2), valve body of main valve (2) bottom is provided with main valve bottom (1), it is characterized in that: be provided with valve core of main valve assembly (4) in the described valve body of main valve (2), be provided with main valve valve seat (17) in the valve body of main valve (2) corresponding with valve core of main valve assembly (4), valve core of main valve assembly (4) top is provided with piston (6), valve core of main valve assembly (4) bottom is provided with main valve returning spring (3), be provided with piston sleeve (5) between piston (6) and the valve body of main valve (2), the corresponding pilot valve (19) that is provided with valve core of main valve assembly (4) in valve body of main valve (2) top;
Described pilot valve (19) includes the pilot valve seat (15) that is located in the pilot valve (19), the corresponding pilot valve spool (9) that is provided with pilot valve seat (15), pilot valve (19) is provided with the first hole (21), the first hole (21) communicates with hole on valve body of main valve (2) ante-chamber, filter screen (8) is located in the second corresponding with pilot valve spool (9) in the pilot valve (19) hole, the outside of filter screen (8) is provided with screw plug (7), pilot valve spool (9) bottom is provided with pilot valve returning spring (14), pilot valve spool (9) top is provided with pilot valve valve gap (20), filler (13) is arranged in the pilot valve valve gap (20) by Gland (12), regulating double-screw bolt (10) is arranged in the pilot valve valve gap (20) by filler (13), regulate double-screw bolt (10) correspondence and be located at pilot valve spool (9) top, the outside of pilot valve valve gap (20) is provided with pilot valve protective cap (11); Described pilot valve spool (9) is temperature-sensing wax type thermodynamic element.
2. adjustable pilot-operated type steam trap valve according to claim 1 is characterized in that: be provided with sealing gasket (18) between described main valve bottom (1) and the valve body of main valve (2).
3. adjustable pilot-operated type steam trap valve according to claim 1, it is characterized in that: described piston (6) is provided with piston aperture (16).
4. adjustable pilot-operated type steam trap valve according to claim 2 is characterized in that: the position that described the first hole (21) communicates with hole on valve body of main valve (2) ante-chamber is provided with seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810151065 CN101520126B (en) | 2008-09-10 | 2008-09-10 | Adjustable pilot-operated type steam trap valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810151065 CN101520126B (en) | 2008-09-10 | 2008-09-10 | Adjustable pilot-operated type steam trap valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101520126A CN101520126A (en) | 2009-09-02 |
| CN101520126B true CN101520126B (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810151065 Expired - Fee Related CN101520126B (en) | 2008-09-10 | 2008-09-10 | Adjustable pilot-operated type steam trap valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN101520126B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725822A (en) * | 2010-01-18 | 2010-06-09 | 李生辉 | Adjustable water drainage valve with elastic steel ball sealing |
| CN102003618B (en) * | 2010-11-29 | 2012-12-19 | 甘肃红峰机械有限责任公司 | Novel inverted-bucket type adjustable pilot great-drainage steam trap |
| CN105299435B (en) * | 2015-11-30 | 2018-02-23 | 上海奉洪阀门有限公司 | A kind of temperature control guided piston type steam bleeder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1379153A (en) * | 1971-04-22 | 1975-01-02 | Yarway Corp | Pilot-operated steam traps |
| CN2073971U (en) * | 1990-08-06 | 1991-03-27 | 北京阀门研究所 | Pulsed water dredging valve with guide valve |
| CN200965148Y (en) * | 2006-09-28 | 2007-10-24 | 温强 | On-line thermoregulation hydrophobic valve |
| CN201246597Y (en) * | 2008-09-10 | 2009-05-27 | 兰州理工大学 | Adjustable precursor type steam drain valve |
-
2008
- 2008-09-10 CN CN 200810151065 patent/CN101520126B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1379153A (en) * | 1971-04-22 | 1975-01-02 | Yarway Corp | Pilot-operated steam traps |
| CN2073971U (en) * | 1990-08-06 | 1991-03-27 | 北京阀门研究所 | Pulsed water dredging valve with guide valve |
| CN200965148Y (en) * | 2006-09-28 | 2007-10-24 | 温强 | On-line thermoregulation hydrophobic valve |
| CN201246597Y (en) * | 2008-09-10 | 2009-05-27 | 兰州理工大学 | Adjustable precursor type steam drain valve |
Non-Patent Citations (3)
| Title |
|---|
| JP特开平10-122488A 1998.05.15 |
| 李树勋等.疏水阀性能试验自动测试系统的设计与实践.《自动化仪表》.2006,第27卷(第4期),68-70. * |
| 李树勋等.膜盒式蒸汽疏水阀的特点及适用性分析.《暖通空调》.2006,第36卷(第3期),59-61. * |
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| Publication number | Publication date |
|---|---|
| CN101520126A (en) | 2009-09-02 |
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Granted publication date: 20130313 Termination date: 20170910 |