CN1062592A - Horizontal bimetal drainage valve with floating ball - Google Patents
Horizontal bimetal drainage valve with floating ball Download PDFInfo
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- CN1062592A CN1062592A CN 90110021 CN90110021A CN1062592A CN 1062592 A CN1062592 A CN 1062592A CN 90110021 CN90110021 CN 90110021 CN 90110021 A CN90110021 A CN 90110021A CN 1062592 A CN1062592 A CN 1062592A
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Abstract
A kind of horizontal bimetal drainage valve with floating ball that is used for the terminal hydrophobic resistance vapour of heat exchanger, its structure characteristic is the two-part that horizontal valve pocket are divided into by at interval, the through hole that is connected with top valve cover cavity is all established at the top, the through hole of its snout cavity is provided with filter screen, and the valve seat of vertical through hole is arranged in establishing on the through hole of outlet plenum.The floss hole of this valve seat can become sealing pair with the flap that the upper end is movably connected on the valve rod of lever one end, and this other end that is positioned at the lever on the support is fixed with ball float, and it can be positioned on the free end that an end is fixed on the bimetallic strip on the valve gap inner valve body.The present invention makes simply, reliable performance, long service life.
Description
The present invention relates to a kind of condenser valve or the similar device of discharge liquid from the seal container of main splendid attire gas or steam.
The MFT type bimetal floating ball hydrophobic water valve that the Canadian VELAN company of public use is at present produced, its objective is is combined into one heat static force type drain valve and mechanical-type drain valve makes it to become the drain valve that has both advantages concurrently.Its structure is to be provided with the self-filtering net of importing and exporting that is arranged above and below to link to each other with the interior valve gap of establishing mangetic core assembly with the vertical valve body that import is joined on sidewall, constitute by plurality of layers of double tinsel and lever dolly superposition in this mangetic core assembly, the lever one end that fulcrum is fixed on the valve gap is fixed with ball float, and its other end and lower end are provided with can become the valve rod upper end flexible connection that seals the flap of paying with the valve seat discharge orifice.Its deficiency is that bimetallic strip corrosion when the relatively poor occasion of water quality is used of outer plating anticorrosive coat is serious, and its a slice generation corrosion meeting causes the relation of power to change, and makes whole valve malfunctioning; Bimetallic strip is stressed all the time as the part of lever in addition, uses a period of time can produce fatigue, can cause valve because of sealing force the vapour phenomenon to take place inadequately to leak; Moreover this MFT type drain valve is most of for importing and exporting the pipeline vertical ground, makes troubles even the import and export that have level to install install STEAM TRAP also for the heat exchanger of many low level settings point-blank.
In view of above-mentioned deficiency of the prior art the object of the present invention is to provide a kind of long service life and is convenient to the drain valve installing and regulate.
Purpose of the present invention can realize by following measure: a kind of horizontal bimetal drainage valve with floating ball that is used for the terminal hydrophobic resistance vapour of heat exchanger, its be provided with import and export and the valve body of sewage draining exit with in establish by bimetallic strip, lever, ball float, the support valve seat, flap, the valve gap of the mangetic core assembly that valve rod constitutes links to each other, it is characterized in that: two ends are respectively two-part top by at interval horizontal valve pocket being divided into of import and export and all establish the through hole that is connected with top valve cover cavity, the through hole of its snout cavity is provided with filter screen, and the valve seat of vertical through hole is arranged in establishing on the through hole of outlet plenum, the floss hole of this valve seat can be movably connected in flap on the valve rod of lever one end with the upper end to be become sealing and pays, this is fixed on, and the lever the other end on the set support is fixed with ball float on the valve gap inner valve body, and it can be positioned on the free end that an end is fixed on the bimetallic strip on the valve gap inner valve body.On the following valve body of snout cavity, be provided with the investigation mission outside the city or town device, on valve body, be provided with visor near outlet.
The present invention mainly is made of valve body, valve gap and mangetic core assembly.Wherein the valve body two ends are respectively the import and export that can communicate with hydrophobic pipeline.Horizontal valve pocket is by the interval separated into two parts, the through hole that is connected with valve cover cavity is all established at their top, and the through hole of its snout cavity is provided with filter screen and stops the iron rust that can not enter mangetic core assembly that gets off and incrustation scale by it and then regularly discharge by being located under this chamber the closed sewage draining exit on the valve body.And the valve seat of vertical through hole is arranged in establishing on the through hole of outlet plenum, both preferably flexibly connect, so that change.Be provided with the valve gap that is attached thereto above the valve body, this valve gap be an end have opening in the housing of certain space is arranged, it can be with the mangetic core assembly cover within it.This mangetic core assembly mainly includes bimetallic strip, ball float, lever, support, fulcrum pedestal, has the valve rod of flap and adjusts nut.Wherein ball float is the Metal Ball of hollow, and it is fixed on an end of lever by link, and it is subjected to, and liquid level change influences and lifting in the valve body.Meanwhile can order about lever one end that is attached thereto is synchronized with the movement with it.The valve rod upper end that the other end of this lever and lower end are provided with flap flexibly connects, and it preferably is provided with the U-groove bevel mouth at this end of lever, can be equipped with valve rod in it.The top of this valve rod is provided with screw thread, the nut that is complementary with it can be positioned on the lever, and the flap of regulating when lever is horizontal by its valve rod lower end of locating by this nut below the valve seat of being positioned at just is complementary with the floss hole of valve seat bottom and becomes sealing and pay, and is air tight to guarantee this valve.It can be hemisphere that sealing is paid, it is spherical to be, also can be taper.Above-mentioned lever is fixed on the support fulcrum as lever by link, this support is to be a bit larger tham the upright horse that the tinsel of two symmetries of lever width constitutes by two gaps that vertically are fixed on the valve gap inner valve body, has connecting plate that both are connected as a single entity between its intensity two metals to become a framework for increasing.Bimetallic strip is bar shaped one end and is fixed on the valve gap inner valve body, and best and support is fixed together together.The free end of bimetallic strip be positioned at ball float below, then be bent upwards when bimetallic strip is in low temperature, can hold up ball float, the sealing of the lever the other end is paid and then is opening state, incondensable gas and cold water are in time discharged under pressure, and fresh steam is entered in the heat exchanger.The interior steam of heat exchanger that is in cold conditions becomes water of condensation very soon, but the temperature of drain valve obviously raises, bimetallic strip is bent downwardly gradually, just do not recurred the effect of holder ball when reaching uniform temperature, so paying, sealing is in closed condition, after the heat exchanger proper functioning, the condensing capacity that produces in unit time tends towards stability, water of condensation flows to drain valve under pressure and gravity synergy, when water reach a certain height in the valve, open water of condensation by flowing out in the valve because the buoyancy of water effect is floated meanwhile sealed mouth with ball float, realized hydrophobic purpose.Discharge liquid level when condensed water and drop to one regularly, buoyancy of water is not enough to float in ball float valve this moment also has the part water of condensation, can not leak the purpose that has realized resistance vapour even enter fresh steam in the valve because the short effect of lever sealed mouth can not be opened steam.
Requirement for the manufacturability that adapts to some special equipment is leaked gas is provided with the investigation mission outside the city or town device on the valve body under entrance cavity, it is made of screw rod and nut.This nut is fixed on the following valve body of entrance cavity, and is located at outside the valve body with valve rod one end that its internal thread is complementary, and the other end reaches in the valve body, and can contact with bimetallic strip, adjusts the length that screw rod stretches into, so that control the position of ball float artificially.The valve body that is preferably near outlet is provided with visor, so that observe its working condition.
Drawing is described as follows:
Fig. 1 is that master of the present invention looks generalized section.
Fig. 2 is the axle side schematic representation of medium-height trestle of the present invention.
Fig. 3 is the front elevational schematic of central bearing point pedestal of the present invention.
Fig. 4 is the axle side schematic representation of lever among the present invention.
The invention will be further described to utilize the example shown in the accompanying drawing.Master in horizontal floating ball type bimetal STEAM TRAP shown in Figure 1 looks in the generalized section, the two ends of being made by spheroidal graphite cast iron have respectively in the valve body 1 of import and export, horizontal valve pocket is by being divided into snout cavity and outlet plenum two-part at interval, the through hole that is connected with valve cover cavity is all established at their top, the stainless steel valve seat 2 in vertical hole is arranged in being threaded on the through hole of its outlet plenum and the square through hole of snout cavity is provided with stainless steel filter screen 3, on the following valve body of this snout cavity, be respectively equipped with pollutant exhaust hole and investigation mission outside the city or town device by 4 sealings of blowdown bolt, its nut 5 stainless steel screw rod 6 one ends that are complementary with it that are threaded with valve body are positioned at outside the valve body, the other end can contact with the free end of bimetallic strip 7, is provided with visor 8 on the valve body near outlet.Being connected with an end by bolt and sealing gasket 9 on valve body is the valve gap of being made by spheroidal graphite cast iron 10 that certain space is arranged in the opening.By screw stainless steel stent 11 is arranged on the valve body in this valve gap housing, it is the upright horse that is connected as a single entity and is constituted by the tinsel that connecting plate surpasses lever 12 slightly with two vertically symmetrical intervals, as shown in Figure 2, it can be fixed in lever on the support as shown in Figure 3 can to insert stainless steel fulcrum pedestal 13 in the through hole of symmetry above the support.This stainless steel lever is frame shape, and the one end is provided with the porose journal stirrup that can pass the bolt that links to each other with ball float 14, and the other end is provided with the U-groove bevel hole, and the flange of its both sides is provided with the through hole that can link to each other with support by it as shown in Figure 4.In Fig. 1, the screw thread that can be positioned at stainless steel valve rod 15 upper ends of lever U-groove bevel is provided with the adjustment nut 16 that the outer-hexagonal shape that is complementary with it has threaded through hole again.The valve rod lower end of passing the valve seat central through bore is provided with the globe disk 17 that is complementary with its discharge orifice hemisphere face.One end and support are together by screw bar shaped bimetallic strip together, and its free end is positioned at below the ball float that is welded into by two stainless steel hemisphere housings.
The present invention has following advantage compared to existing technology:
1. the present invention has adopted back seal structure and serious offense filtering surface to amass than being condensate water recovery and unimpeded creating favorable conditions.
2. bimetal leaf of the present invention is not as the part of lever, even bimetal leaf corrosion light does not affect the hydrophobic resistance vapour effect of drain valve yet.
3. because bimetal leaf only is to play holder ball effect to be subjected to power very little when cold conditions, and break away from ball float when hot, be not subjected to external force, so the tired phenomenon of this bimetal leaf is difficult for taking place, increase service life.
4. it is more corrosion-resistant than the bimetallic strip of outer plating anticorrosive coat that the present invention adopts the bimetallic strip of RSn210 or 5J18 or GB14 material.
5. the present invention is horizontal mounting structure, imports and exports on same horizontal line, has made things convenient for the user widely.
6. outer regulating mechanism of the present invention also can be controlled the ball float position artificially.
7. visor of the present invention can be seen its working state intuitively.
8. manufacturing process of the present invention is simple, cost is low.
9. below Yingkou tire plant use condition contrast (be 0～0.85MPa2 " drain valve) that coexists of the product of product of the present invention and Canadian VELAN company
The present invention of MFT-3 type
Test stand several 9 50
Life time 2 months at present with half a year how still in normal use
Annotate: thus there are 5 to be to cause full valve malfunctioning among 9 of MFT-3 type because of bimetallic strip is corroded fully, and other 4 also can not be used because of other cause for quality.
Claims (3)
1, a kind of horizontal bimetal drainage valve with floating ball that is used for the terminal hydrophobic resistance vapour of heat exchanger, its be provided with import and export and the valve body 1 of sewage draining exit with in establish by bimetallic strip 7, lever 12, ball float 14, support 11, valve seat 2, flap 17, the valve gap 10 of the mangetic core assembly that valve rod 15 constitutes links to each other, it is characterized in that: two ends are respectively two-part top by at interval horizontal valve pocket being divided into of import and export and all establish the through hole that is connected with top valve cover cavity, the through hole of its snout cavity is provided with filter screen 3, and the valve seat of vertical through hole is arranged in establishing on the through hole of outlet plenum, the floss hole of this valve seat can be movably connected in flap on the valve rod of lever one end with the upper end to be become sealing and pays, this is fixed on, and the lever the other end on the set support is fixed with ball float on the valve gap inner valve body, and it can be positioned on the free end that an end is fixed on the bimetallic strip on the valve gap inner valve body.
2, horizontal bimetal drainage valve with floating ball according to claim 3 is characterized in that: be provided with the investigation mission outside the city or town device on the following valve body of snout cavity.
3, horizontal bimetal drainage valve with floating ball according to claim 4 is characterized in that: be provided with visor 8 on the valve body near outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90110021 CN1062592A (en) | 1990-12-19 | 1990-12-19 | Horizontal bimetal drainage valve with floating ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90110021 CN1062592A (en) | 1990-12-19 | 1990-12-19 | Horizontal bimetal drainage valve with floating ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1062592A true CN1062592A (en) | 1992-07-08 |
Family
ID=4881727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90110021 Pending CN1062592A (en) | 1990-12-19 | 1990-12-19 | Horizontal bimetal drainage valve with floating ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1062592A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253983A (en) * | 2020-10-30 | 2021-01-22 | 上海沪东造船阀门有限公司 | Marine lever floating ball type drain valve |
-
1990
- 1990-12-19 CN CN 90110021 patent/CN1062592A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253983A (en) * | 2020-10-30 | 2021-01-22 | 上海沪东造船阀门有限公司 | Marine lever floating ball type drain valve |
| CN112253983B (en) * | 2020-10-30 | 2022-03-15 | 上海沪东造船阀门有限公司 | Marine lever floating ball type drain valve |
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |