CN103032670B - Back-sealing external adjusting type bimetal steam trap valve - Google Patents
Back-sealing external adjusting type bimetal steam trap valve Download PDFInfo
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- CN103032670B CN103032670B CN201210559368.2A CN201210559368A CN103032670B CN 103032670 B CN103032670 B CN 103032670B CN 201210559368 A CN201210559368 A CN 201210559368A CN 103032670 B CN103032670 B CN 103032670B
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- bimetallic strip
- steam trap
- guide rods
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Abstract
The invention relates to a steam trap valve, and provides a back-sealing external adjusting type bimetal steam trap valve which is convenient in adjusting, reasonable in structure, simple in maintenance and long in service life. The back-sealing external adjusting type bimetal steam trap valve is provided with a valve body, a big winding gasket, a valve cover, a filter screen, a valve seat, bimetals, spacing gaskets, a valve core, two guide rods, a fixing frame, a small winding gasket, a valve cap, a label, an adjusting nut, a packing gland, an adjusting rod, packings, packing gaskets, spring washers, an adjusting board, two outer guide rods, bolts and a fixing board. According to the back-sealing external adjusting type bimetal steam trap valve provided by the invention, a sealing structure in back sealing is adopted, and thus the lack of the traditional positive sealing structure and the defect that an elastic force needs to be readjusted as the elastic force is changed due to the performance degradation of a spring material as the spring material is in operation under a high-temperature working condition for a long time are overcome; the service life of the back-sealing external adjusting type bimetal steam trap valve is prolonged, and the performance of the bimetal steam trap valve is increased; and the structure is reasonable, the maintenance is simple, the practicability is strong, the performance is good, and the service life is long.
Description
Technical field
The present invention relates to a kind of Automatic steam trap Trap, especially relate to a kind of back seal external regulation type bimetallic strip Automatic steam trap Trap.
Background technique
The bimetallic strip Automatic steam trap Trap of existing heat static force type, adopt circular plate type bimetallic strip and positive sealing configuration mode, primarily of parts compositions such as valve body, valve gap, circular plate type bimetallic strip, guide rod, setting sleeve, spring, spool, valve seats, its working principle is: when cool air and low-temperature condensate enter valve pocket, circular plate type bimetallic strip expanded by heating distortion generation picks power, and overcome the elastic force of spring, order about spool cut-off valve bore; When the condensing water temperature in valve pocket reduces, bimetallic strip shrinks return, and the elastic force of spring pushes spool open, opens valve seat orifice, and next do action starts.
Existing heat static force type bimetallic strip Automatic steam trap Trap, the power that picks that the bimetallic strip of its circular plate type produces under the effect of temperature is the straight line of certain slope, differ greatly with vapo(u)rous temperature curve, good sensitivity can only be shown on a working pressure point after once adjusting, and higher sensitivity can not be kept in its whole operating range, as adopt rhombus or star bimetallic strip (see Chinese patent 2,008 2 0101895.8, a kind of Dual-metal-sheet steam drain valve; Chinese patent 2,011 20277131.6, temperature-adjusting pilot-operated steam trap with bimetallic strip) Automatic steam trap Trap, overcome the shortcoming of circular plate type bimetallic strip, bimetallic strip can be divided into groups state of devoting oneself to work successively, make the overall characteristic of bimetallic strip element consistent with saturation temperature curve, improve the performance of bimetallic strip Automatic steam trap Trap.But when working condition pressure change and bimetallic strip material run generation material property degradation at worst hot case for a long time, the gap of bimetallic strip all must adjust again, otherwise can affect the performance of Automatic steam trap Trap.
Summary of the invention
The object of this invention is to provide a kind of easy to adjust, rational in infrastructure, safeguard back seal external regulation type bimetallic strip Automatic steam trap Trap that is simple, long service life.
The present invention is provided with valve body, large wound gasket, valve gap, filter screen, valve seat, bimetallic strip, separation pad, spool, 2 guide rods, fixing frame, little wound gasket, bonnet, label, adjusting nut, filler pressing sleeve, regulating lever, filler, Packing seat, spring washer, adjustment plate, 2 outer guide rods, stud and fixed plates;
The tapped hole that described 2 guide rods load valve seat upper-end surface is interior and fastening, described 2 outer guide rods are arranged on spot welding in the stomidium of fixed plate both sides and connect, 2 outer guide rods that described fixed plate is connected with spot welding are inserted in the guide rod of 2, valve seat upper end, described bimetallic strip and separation pad divide into groups to be inserted in 2 guide rods and 2 outer guide rods successively, described spool loads valve seat endoporus, described fixing frame two ends borehole jack enters 2 guide rods, center hole is inserted in valve seat upper end and uses fastening nuts, described adjustment plate two ends borehole jack enters 2 outer guide rods, center hole is inserted in regulating lever, 2 outer guide rod tops are inserted in spring washer and use fastening nuts, described filter screen is pressed on valve gap indent you face, described valve seat, spool, guide rod and bimetallic strip assembly parts load the valve seat orifice of valve body, and the while of interior screw threads for fastening, the boss of valve seat is pressed on filter screen, described large wound gasket loads concave station in valve body, and described valve gap upper end hole is inserted in regulating lever, and valve gap lower convex platform to be inserted on the large wound gasket of concave station in the middle part of valve body and to adopt stud and fastening nuts sealing, described Packing seat and filler are inserted in regulating lever and valve gap upper recess, and described filler pressing sleeve is inserted in regulating lever and compresses filler, and described regulating lever top adjusting nut is fastening, described bonnet lower end concave station loads little wound gasket and screws in valve gap upper external screw thread fit sealing.
Rivet fixed product label can be used at bonnet upper end concave station.
Described bimetallic strip can adopt rhombus bimetallic strip or star bimetallic strip etc.
Described filler pressing sleeve is inserted in regulating lever compression filler and filler pressing sleeve can be adopted to be inserted in regulating lever and screw in valve gap upper end internal thread compression filler; Or filler pressing sleeve is inserted in regulating lever and compresses filler stud nut and be fastenedly connected.
Valve gap, bonnet, filler pressing sleeve, under high pressure operating mode, can be designed to flange connection by the present invention.Described bonnet and valve gap stud nut are fastenedly connected.Described filler pressing sleeve is inserted in regulating lever compression filler stud nut and is fastenedly connected.Described regulating lever top adjusting nut is fastening.
Working principle of the present invention is as follows:
When incondensable gas and low-temperature condensate enter valve pocket, bimetallic strip does not produce the power of picking when not being heated, and spool is automatically opened under the effect of inside and outside differential pressure and self gravitation, discharges incondensable gas and low-temperature condensate; When condensed water in high temperature enters valve pocket, bimetallic strip starts dilatancy in the situation of being heated, and produces and picks power, drives spool cut-off valve bore, stops draining; When condensing water temperature reduces gradually, bimetallic strip starts to shrink return along with the reduction of condensing water temperature, and spool is opened under the effect of inside and outside differential pressure, discharges low-temperature condensate; When condensed water in high temperature enters valve pocket, next do action starts.
When Temperature at discharging condensate does not meet working condition requirement, only need unload bonnet and unclamp adjusting nut, adjustment regulating lever, regulating lever drives adjustment plate and the lifting of outer guide rod, and the gap of adjustment bimetallic strip, reaches required Temperature at discharging condensate, more fastening adjusting nut and bonnet.Top due to regulating lever adopt packing seal and filler pressing sleeve fastening, therefore can on-the-spot with pressurely to adjust at random at any time, simple to operation; Because regulating lever bottom boss diameter is greater than adjustment rod aperture, safe and reliable when therefore working.
The present invention adopts the sealing configuration of back seal, overcomes the deficiency of the positive sealing configuration of tradition, when the power that picks of bimetallic strip expanded by heating distortion generation is without the need to overcoming the elastic force of spring, makes the power that picks of bimetallic strip can obtain maximum value and using; Also overcome spring material to run under worst hot case for a long time, the material property degradation of generation and elastic force is changed need the defect that adjusts again simultaneously; Extend the working life of this valve.
The present invention adopts the ball face sealing mode of back seal, without concentrated wearing and tearing during work, and long service life, good seal performance.
The present invention adopts the structure of rhombus or star bimetallic strip, overcome circular plate type bimetallic strip to produce under temperature action and pick the straight line that power is certain slope, differ greatly with saturation temperature curve, good sensitivity can only be shown on a working pressure point after once adjusting, and the shortcoming of higher sensitivity can not be kept in its whole operating range, bimetallic strip can be divided into groups state of devoting oneself to work successively, make the overall characteristic broken line of bimetallic element consistent with saturation temperature curve, improve the performance of bimetallic strip Automatic steam trap Trap.
In sum: the present invention is rational in infrastructure, safeguard the advantages such as simple, practical, performance is good, the life-span is long.
Accompanying drawing explanation
Fig. 1 is the structure composition schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the structure composition schematic diagram of the embodiment of the present invention 2.
Fig. 3 is the rhombus bimetallic sheet structure composition schematic diagram of the embodiment of the present invention.
Fig. 4 is the star bimetallic sheet structure composition schematic diagram of the embodiment of the present invention.
Specific embodiment
Embodiment 1:
Valve body 1, large wound gasket 2, valve gap 3, filter screen 4, valve seat 5, bimetallic strip 6, separation pad 7, spool 8,2 guide rods 9, fixing frame 10, the 1st hexagon nut 11, little wound gasket 12, bonnet 13, label 14, adjusting nut 15, filler pressing sleeve 16, regulating lever 17, filler 18, Packing seat 19, the 2nd hexagon nut 20, spring washer 21, adjustment plate 22,2 outer guide rods 23, stud 24, the 3rd hexagon nut 25, fixed plate 26 is provided with see Fig. 1, the embodiment of the present invention.
The tapped hole that described 2 guide rods 9 load valve seat 5 upper-end surface is interior and fastening.
Described 2 outer guide rods 23 are arranged on spot welding in the stomidium of fixed plate 26 both sides and connect.
2 outer guide rods 23 that described fixed plate 26 is connected with spot welding are inserted in the guide rod 9 of 2, valve seat 5 upper end.
Described bimetallic strip 6 and separation pad 7 divide into groups to be inserted in 2 guide rods 9 and 2 outer guide rods 23 successively.
Described spool 8 loads valve seat 5 endoporus.
Described fixing frame 10 two ends borehole jack enters 2 guide rods 9, and it is also fastening with the 1st hexagon nut 11 that center hole is inserted in valve seat 5 upper end.
Described adjustment plate 22 two ends borehole jack enters 2 outer guide rods 23, and center hole is inserted in regulating lever 17, and spring washer 21 is inserted in and fastening with the 2nd hexagon nut 20 in 2 outer guide rod 23 tops.
Described filter screen 4 is pressed on valve gap 3 indent you face.
Described valve seat 5, spool 8, guide rod 9 and bimetallic strip 6 assembly parts load the valve seat orifice of valve body 1, and the while of interior screw threads for fastening, the boss of valve seat 5 is pressed on filter screen 4.
Described large wound gasket 2 loads concave station in valve body 1.
Described valve gap 3 upper end hole is inserted in regulating lever 17, and valve gap 3 lower convex platform to be inserted on the large wound gasket 2 of concave station in the middle part of valve body 1 and to adopt stud 24 and the 3rd hexagon nut 25 fit sealing.
Described Packing seat 19 and filler 18 are inserted in regulating lever 17 and valve gap 3 upper recess.
Described filler pressing sleeve 16 is inserted in regulating lever 17 and screws in valve gap 3 upper end internal thread and compresses filler 18.
Described regulating lever 17 top adjusting nut 15 is fastening.
Described bonnet 13 lower end concave station loads little wound gasket 12 and screws in valve gap 3 upper external screw thread fit sealing.
Described label 14 is contained in bonnet 13 upper end concave station rivet and fixes.
Valve gap 3, bonnet 13, filler pressing sleeve 16, under high pressure operating mode, can be designed to flange connection by the present invention.
Embodiment 2:
Be fastenedly connected with stud nut see bonnet described in Fig. 2 203 and valve gap 201.
Described filler pressing sleeve 216 is inserted in regulating lever 217 and compresses filler 218 and be fastenedly connected with stud nut.
Described regulating lever 217 top adjusting nut 215 is fastening.
See Fig. 3 and 4, described bimetallic strip can adopt rhombus bimetallic strip or star bimetallic strip etc.
Claims (6)
1. back seal external regulation type bimetallic strip Automatic steam trap Trap, is characterized in that being provided with valve body, large wound gasket, valve gap, filter screen, valve seat, bimetallic strip, separation pad, spool, 2 guide rods, fixing frame, little wound gasket, bonnet, label, adjusting nut, filler pressing sleeve, regulating lever, filler, Packing seat, spring washer, adjustment plate, 2 outer guide rods, stud and fixed plates;
The tapped hole that described 2 guide rods load valve seat upper-end surface is interior and fastening, described 2 outer guide rods are arranged on spot welding in the stomidium of fixed plate both sides and connect, 2 outer guide rods that described fixed plate is connected with spot welding are inserted in the guide rod of 2, valve seat upper end, described bimetallic strip and separation pad divide into groups to be inserted in 2 guide rods and 2 outer guide rods successively, described spool loads valve seat endoporus, described fixing frame two ends borehole jack enters 2 guide rods, center hole is inserted in valve seat upper end and uses fastening nuts, described adjustment plate two ends borehole jack enters 2 outer guide rods, center hole is inserted in regulating lever, 2 outer guide rod tops are inserted in spring washer and use fastening nuts, described filter screen is pressed on valve gap indent you face, described valve seat, spool, guide rod and bimetallic strip assembly parts load the valve seat orifice of valve body, and the while of interior screw threads for fastening, the boss of valve seat is pressed on filter screen, described large wound gasket loads concave station in valve body, and described valve gap upper end hole is inserted in regulating lever, and valve gap lower convex platform to be inserted on the large wound gasket of concave station in the middle part of valve body and to adopt stud and fastening nuts sealing, described Packing seat and filler are inserted in regulating lever and valve gap upper recess, and described filler pressing sleeve is inserted in regulating lever and compresses filler, and described regulating lever top adjusting nut is fastening, described bonnet lower end concave station loads little wound gasket and screws in valve gap upper external screw thread fit sealing.
2. back seal external regulation type bimetallic strip Automatic steam trap Trap as claimed in claim 1, is characterized in that at bonnet upper end concave station rivet fixed product label.
3. back seal external regulation type bimetallic strip Automatic steam trap Trap as claimed in claim 1, is characterized in that described bimetallic strip adopts rhombus bimetallic strip or star bimetallic strip.
4. back seal external regulation type bimetallic strip Automatic steam trap Trap as claimed in claim 1, is characterized in that described filler pressing sleeve is inserted in regulating lever and compresses filler and filler pressing sleeve can be adopted to be inserted in regulating lever and screw in valve gap upper end internal thread and compress filler; Or filler pressing sleeve is inserted in regulating lever and compresses filler stud nut and be fastenedly connected.
5. back seal external regulation type bimetallic strip Automatic steam trap Trap as claimed in claim 1, is characterized in that described bonnet and valve gap stud nut are fastenedly connected.
6. back seal external regulation type bimetallic strip Automatic steam trap Trap as claimed in claim 1, is characterized in that valve gap, bonnet and filler pressing sleeve Flange joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210559368.2A CN103032670B (en) | 2012-12-20 | 2012-12-20 | Back-sealing external adjusting type bimetal steam trap valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210559368.2A CN103032670B (en) | 2012-12-20 | 2012-12-20 | Back-sealing external adjusting type bimetal steam trap valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103032670A CN103032670A (en) | 2013-04-10 |
| CN103032670B true CN103032670B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210559368.2A Active CN103032670B (en) | 2012-12-20 | 2012-12-20 | Back-sealing external adjusting type bimetal steam trap valve |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896298A (en) * | 2015-05-29 | 2015-09-09 | 许炎章 | Novel bimetallic strip steam trap valve |
| CN110848556B (en) * | 2019-11-28 | 2023-06-30 | 北京市阀门总厂股份有限公司 | Bimetallic strip drain valve |
| CN114568950B (en) * | 2020-12-01 | 2023-12-19 | 莱克电气绿能科技(苏州)有限公司 | Drain component and electric cooker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4723704A (en) * | 1984-06-26 | 1988-02-09 | Miyawaki Steam Trap Mfg. Co., Ltd. | Bimetal steam trap |
| CN200986095Y (en) * | 2006-12-15 | 2007-12-05 | 诸炬江 | Thermodynamic duplex metal draw-off valve |
| CN201193772Y (en) * | 2008-04-09 | 2009-02-11 | 洪有福 | Dual-metal-sheet steam drain valve |
| CN201368322Y (en) * | 2009-01-15 | 2009-12-23 | 甘肃红峰机械有限责任公司 | Circular-plate bimetallic temperature-adjustable type superheated steam trap |
| CN202992629U (en) * | 2012-12-20 | 2013-06-12 | 洪新强 | Invertedly-sealed outwardly-adjustable steam trap with bimetallic strips |
-
2012
- 2012-12-20 CN CN201210559368.2A patent/CN103032670B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4723704A (en) * | 1984-06-26 | 1988-02-09 | Miyawaki Steam Trap Mfg. Co., Ltd. | Bimetal steam trap |
| CN200986095Y (en) * | 2006-12-15 | 2007-12-05 | 诸炬江 | Thermodynamic duplex metal draw-off valve |
| CN201193772Y (en) * | 2008-04-09 | 2009-02-11 | 洪有福 | Dual-metal-sheet steam drain valve |
| CN201368322Y (en) * | 2009-01-15 | 2009-12-23 | 甘肃红峰机械有限责任公司 | Circular-plate bimetallic temperature-adjustable type superheated steam trap |
| CN202992629U (en) * | 2012-12-20 | 2013-06-12 | 洪新强 | Invertedly-sealed outwardly-adjustable steam trap with bimetallic strips |
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| CN103032670A (en) | 2013-04-10 |
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Effective date of registration: 20221102 Address after: No. 179, Hengban Avenue, Yingdu Valve Base, Nan'an, Quanzhou, Fujian, 362,305 Patentee after: YINGQIAO MACHINERY MANUFACTURING Co.,Ltd. Address before: No. 5, South Garden, Shishan Village, Yingdu Town, Nan'an City, Fujian Province, 362305 Patentee before: Hong Xinqiang |
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