CN102287611B - Floater-guided steam trap - Google Patents
Floater-guided steam trap Download PDFInfo
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- CN102287611B CN102287611B CN 201110219573 CN201110219573A CN102287611B CN 102287611 B CN102287611 B CN 102287611B CN 201110219573 CN201110219573 CN 201110219573 CN 201110219573 A CN201110219573 A CN 201110219573A CN 102287611 B CN102287611 B CN 102287611B
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- 238000013022 venting Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 9
- 238000007599 discharging Methods 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 abstract 4
- 230000006837 decompression Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 34
- 238000009833 condensation Methods 0.000 description 18
- 230000005494 condensation Effects 0.000 description 18
- 238000007789 sealing Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 240000005049 Prunus salicina Species 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000009018 li Nutrition 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Abstract
The invention discloses a floater-guided steam trap, which relates to a steam trap. The invention provides a floater-guided super large displacement steam trap, which is provided with an internal automatic exhaust device, has a rational structure, stable and reliable performance and long service life and is convenient to maintain. The floater-guided super large displacement steam trap comprises a floater-guided valve, an upper valve body, a filtering device, an exhaust device, a piston combined piece, a main valve, a guide pipe and a valve cap, wherein the floater-guided valve comprises a lower valve body, a floater, an isolating hood, a fixing clamp spring, a guide valve seat, a regulating bolt, a lower movable joint and a pollution discharging bolt; the filtering device comprises an inlet pipe and a filtering screen; the piston combined piece is provided with a piston body, a piston, a decompression hole and a spring; the main valve is provided with a main valve seat, a main valve core and a main valve rod; the upper valve body is connected with the lower valve body; the upper valve body and the lower valve body are divided into an upper valve cavity and a lower valve cavity by an internal cap; the filtering device and the exhaust device are arranged in the lower valve body; the piston combined piece is arranged in the upper valve body; and the valve cap covers the upper part of the upper valve body and is connected with the upper valve body.
Description
Technical field
The present invention relates to a kind of Automatic steam trap Trap, especially relate to a kind of floater-guided ultrahigh-displacement steam trap.
Background technique
Existing float ball guided ultrahigh-displacement steam trap mainly is comprised of parts such as float ball guided assembly parts, valve gap, valve body, filtrating equipment, venting gas appliance, piston, main valve plug, main valve seats.Its working principle: when cold air enters float ball guided valve pocket, need manually opened venting gas appliance, make water of condensation enter smoothly valve pocket, after the normal draining of this valve, close again venting gas appliance.After water of condensation entered valve pocket, ball float rose with water level, automatically opened guide's valve seat orifice, water of condensation enters piston cavity through connecting tube, because the piston compression area is shifted greater than the piston that the main valve compression area orders about downward-sloping installation, the band ovable valve stem is opened the main valve seat hole, gets rid of in a large number water of condensation.When water of condensation is a large amount of get rid of after, the valve pocket water level reduces, ball float is with the decline of water level, autoshutdown guide drain valve seat hole, piston cavity produces pressure drop, orders about piston reset, the band ovable valve stem is closed the main valve seat hole, draining stops.After water of condensation entered valve pocket again, ball float rose again, and next circulation begins again.
The shortcomings such as existing float ball guided ultrahigh-displacement steam trap ubiquity volume is large, quality weight, unreasonable structure, usually the float ball guided valve of this valve is located at valve pocket top, its venting gas appliance adopts manually-operable, when each start, all want first manually operation to open outlet valve, just can make water of condensation enter smoothly valve pocket after getting rid of incondensable gas, otherwise can produce the stifled phenomenon of gas, make this valve can't regular event.In addition, this float ball guided super large discharge drain valve, its piston assembly and main valve parts are designed to mounting type, the weight of piston assembly and main valve parts is downward-sloping, it is inhomogeneous to wear and tear when motion, and has increased frictional force, easy to wear, life-span is short, thereby has affected the performance of drain valve.
Japanese plum merit etc. (the Japanese plum merit, imperial court is rich. the adjustable pilot-operated super large discharge drain valve design of temperature sensitive wax formula [J] petrochemical equipment, 2009,38 (6): 28-30) reported the adjustable pilot-operated super large discharge drain valve design of a kind of temperature sensitive wax formula.
Summary of the invention
The object of the present invention is to provide a kind of built-in automatic exhaust device that is provided with, have the float ball guided ultrahigh-displacement steam trap that structure is reasonable, performance is more reliable and more stable, working life is long, be convenient to safeguard.
The present invention is provided with float ball guided valve, upper valve body, filtrating equipment, venting gas appliance, piston assembly, main valve, conduit and valve gap;
Described float ball guided valve is provided with lower valve body, ball float, every cover, fixedly jump ring, guide's valve seat, adjusting bolt, lower union and blowdown bolt; Described filtrating equipment is provided with inlet tube and filter screen; Described piston assembly is provided with piston body, piston, relief hole and spring; Described main valve is provided with main valve seat, main valve plug and main valve stem;
Described upper valve body is connected with lower valve body, and described upper valve body and lower valve body are divided into upper lower valve chamber by inner cap; Described filtrating equipment and venting gas appliance are located in the lower valve body, and piston assembly is located in the upper valve body, and valve gap is placed on upper valve body top and is connected with upper valve body;
Described ball float is installed on lower body cavity and can freely rotates, be installed in lower body cavity top and fixing every cover, guide's valve seat is installed in lower valve body lower side, fixes with plug screw, adjusting bolt is installed in lower valve body lower portion, and the blowdown bolt of lower valve body is installed in lower valve body one side; The blowdown bolt of upper valve body is installed in a side of upper valve body;
Described filtrating equipment is installed in the valve pocket of lower valve body left part, and inlet tube is communicated with valve pocket, and inlet tube is with being threaded in lower valve body lower end; Filter screen is installed on the inlet tube outlet end;
Described venting gas appliance is installed in the valve pocket of lower valve body right part;
Described piston body at right angle setting is in upper valve body top, and piston body is connected with valve gap, and spring is placed in piston lower end boss, and piston is installed in the piston body, and piston matches with the endoporus of piston body, and piston and piston physical efficiency are slided to axial;
Described main valve seat bottom is provided with guide ring, described guide ring and main valve seat are connected as a single entity, described main valve seat is installed on the upper valve body with self being threaded, the main valve plug of back seal and main valve stem are connected as a single entity and are installed in the main valve seat hole, main valve stem is inserted in the spring endoporus of piston assembly and is connected to the piston upper end, and main valve stem is connected to the piston upper end;
Described conduit is installed in the upper valve body trailing flank, the lower end of conduit by lower union with self being threadedly connected to lower valve body, and with lower loose joint fastening nuts; The conduit upper end is welded in the valve gap end and uses the loose joint fastening nuts by upper union.
Described upper valve body is connected with lower valve body can adopt the stud bolt connection.
Described valve gap is placed on upper valve body top and is connected with upper valve body, can adopt stud bolt to connect.
Describedly be installed in lower body cavity top and the fixing jump ring that can adopt is fixedly fixed every cover.
The blowdown bolt of described lower valve body is installed in lower valve body one side lower end and fastening with being threaded.
Described venting gas appliance can be provided with outlet pipe, delivery valve seat, exhaust plug, bimetallic strip, guide rod, baffle plate and adjusting nut, the outlet plenum of the straight-through upper valve body of outlet pipe, outlet pipe is fastening by delivery valve seat, exhaust plug is inserted in the delivery valve seat hole, and overlapping being installed in of bimetallic strip also uses baffle plate and adjusting nut fastening fixing in the guide rod; Described exhaust plug can adopt back seal semicircle sphere exhaust plug, and described bimetallic strip can adopt rhombus bimetallic strip or star bimetallic strip.
Described venting gas appliance can be provided with outlet pipe, the large valve seat of exhaust, the little valve seat of exhaust, exhaust plug, diaphragm, the bellows loam cake, the bellows lower cover, limiting board, filling liquid, spring, pressing plate and bellows cover, the outlet plenum of the straight-through upper valve body of described outlet pipe, outlet pipe is fastening by the large valve seat of exhaust, the little valve seat of exhaust is fixed with large valve seat screw threads for fastening, bellows loam cake and bellows lower cover and diaphragm are welded, spot welding is connected exhaust plug with limiting board with diaphragm, bellows cover lower end borehole jack enters the outer and large valve seat screw threads for fastening of exhaust of the little valve seat screw thread of exhaust, bellows is inserted in the bellows cover, spring housing is on bellows loam cake top, and pressing plate is pressed in spring top and is inserted in bellows cover inside groove.
Described relief hole is preferably 3 uniform relief holes.
Technological scheme of the present invention is to adopt float ball guided valve in valve body lower portion, water of condensation can naturally be flowed in guide's valve pocket of lower valve body by inlet tube, and can keep water seal at uuper valve chamber.Stainless steel hollow float in the valve pocket is according to the variation of water level, automatic on-off guide valve seat orifice.The automatic exhaust device design is on top, pilot valve chamber and lead directly to outlet, can get rid of directly, automatically, in time incondensable gas, improves usability.Piston assembly and seal spool spare are located at valve body top, and the at right angle setting mode moves up and down during work, even wearing, and the life-span is long.
Working principle of the present invention is: when incondensable gas enters valve pocket, in inlet tube arrives lower valve body valve pocket, many group rhombuses or star bimetallic strip (or pressure balance thermostatic bellows) are in the situation of not being heated, do not produce the power of picking, exhaust plug is under the inside and outside differential pressure effect, automatically open, open the delivery valve seat hole, get rid of incondensable gas; When thermal coagulation water arrives lower valve chamber, organize rhombus or star bimetallic strip (or pressure balance thermostatic bellows) temperature distortion more, produce and pick power, order about exhaust plug, close the delivery valve seat hole.At this moment, ball float is with the rising of water level in the valve pocket, automatically open guide's valve seat orifice, water of condensation enters piston cavity through conduit, because the piston compression area is greater than the main valve compression area, rely on pressure reduction, order about piston and overcome spring force, displacement downwards drives main valve stem and main valve plug, open the main valve seat hole, get rid of in a large number water of condensation.After a large amount of eliminatings of water of condensation, water level in the lower valve chamber is along with reduction, ball float is with water level decline autoshutdown guide valve seat orifice, the piston relief hole begins pressure release, make piston cavity produce pressure drop, the thrust of the elastic force of piston lower end spring and the generation of main valve compression area is pushed to piston and is resetted simultaneously, drives main valve stem and main valve plug, main valve plug under the effect of 3 guiding, accurate contraposition.Close the main valve seat hole, draining stops.When water of condensation entered valve pocket again, next do action began again.
The piston assembly of existing float ball guided ultrahigh-displacement steam trap, main valve Sealing are located at the valve body side lower part and tilt to install, the gravity of piston assembly and main valve Sealing is downward-sloping, causes wearing and tearing inhomogeneous when motion, and increasing friction force, easy to wear, the life-span is short; Spool gravity tilts, thereby has affected sealability.Float ball guided valve is located at valve body top, and its venting gas appliance adopts the manual exhaust structure, such as untimely eliminating incondensable gas, will affect this valve normal operation.
Compare with existing float ball guided ultrahigh-displacement steam trap, because the present invention adopts float ball guided valve in valve body lower portion, water of condensation can flow into guide's valve pocket naturally, the ball float following water-level lifting, and the automatic on-off of realization pilot valve, it is reliable to be active in one's movements.Rhombus or star organize bimetallic strip more or pressure balance thermostatic bellows automatic exhaust device is located at guide's valve pocket top, and the outlet of outlet pipe throughway valve.If adopt rhombus or star bimetallic strip that three different long limits are arranged, under temperature action, three groups of different power that pick that produce are closer to the saturated-steam temperature pressure diagram, and the straight line that has overcome the rondelle bimetallic strip picks the shortcoming of power.When work, need not frequent adjustment, be active in one's movements, the applicable working condition scope is wide, can get rid of automatically, in time incondensable gas.The back seal mode of exhaust plug semicircle sphere is guaranteed this valve normal operation with return valve function.Sphere back seal structure is without concentrating wearing and tearing, long service life.If adopt pressure balance thermostatic bellows because the diaphragm of bellows is to adopt senior sheet alloy, and be the sheet unfolded, therefore highly sensitive, resistance to pressure good, it is reliable to be active in one's movements; Pressing the filling liquid of chamber in the bellows is volatile gas, the temperature of its volatile liquid approaches with pressure diagram with the temperature of pressure diagram and saturated vapour and conforms to, so in whole pressure range, automatically regulate with fixing Subcoold temperature, need not during work to adjust, the applicable working condition scope is wide, can get rid of automatically, in time noncondensing cold and hot gas; The semicircle sphere sealing means reduces concentrates wearing and tearing, long service life.
Piston assembly of the present invention and main valve Sealing are vertically mounted on valve body top, and its gravity moves up and down during work vertically downward, and the defective that gravity tilts when having overcome motion guarantees that piston wear is even, and the life-span is long.Seal spool spare adopts upper piston and piston body, middle part main valve stem and hole, piston body bottom, and 3 guiding of bottom spool external diameter and spool guide ring, the sealing contraposition is accurate, good seal performance.The piston lower end is provided with spring, guarantees that the spool closing motion is accurate; Be provided with pretightening force during the spring assembling, improved the seal pressure on the main valve sealing surface, good seal performance.And can come the equalizing piston upper cavity pressure by 3 uniform piston relief holes, and slow down closing motion, avoid bump, prolong main valve working life.
Rational structure of the present invention need not manual operation, gets rid of incondensable gas, adopts automatic venting gas appliance; The design water of condensation can flow into lower valve chamber naturally, guarantees that this valve events is sensitive reliable, and can keep the main valve sealing pair to be in all the time in the water seal, and leak without fresh steam during work, leak rate is low; Ball float in the lower valve chamber is according to the lifting of water level, automatically regulate the aperture of pilot valve, the pressure of piston cavity is with the variation of pilot valve aperture size, can automatically regulate the aperture of main valve, realize that main valve is according to the big or small automatic-discharging of condensing capacity, do not have a large amount of water of condensation to build up before reaching valve, can get rid of the water of condensation near saturation temperature, thereby obtain the highest efficiency of heating surface; Main valve plug adopts the orientation type of 3 guiding, accurate positioning good seal performance; The piston at right angle setting, during work, the characteristics such as even wearing, long service life move up and down.This valve body is long-pending little, lightweight, and discharge capacity is large, and performance is good.When the saturated water of condensation operating mode of the super amount eliminating of needs, more show its superior function, realized energy-saving and cost-reducing purpose.
In sum, the present invention has following outstanding advantages:
1) float ball guided valve design is in valve body lower portion, and water of condensation can flow into valve pocket naturally.
2) automatic exhaust device is installed in lower valve chamber top, adopt star or rhombus bimetallic strip or pressure balance thermostatic bellows, the power that picks of its generation is more near the saturation temperature curve, and is applied widely, can get rid of incondensable gas automatically, in time, it is reliable to be active in one's movements.Exhaust plug adopts semicircle sphere back seal mode, and reduce during work and concentrate the wearing and tearing long service life, and with return valve function.
3) piston assembly and seal spool spare are vertically mounted on valve body top and middle part, up and down vertical motion during work, and even wearing, life-span are long.
4) main valve plug adopts the orientation type of 3 guiding, accurate positioning.
5) spring fitting is located by connecting on the piston bottom in piston body, and it is errorless to guarantee to close valve events; The pretightening force of spring has improved the seal pressure on the main valve sealing surface, good seal performance.
6) pressure of 3 the uniform relief hole available buffer piston upper chambers in piston bottom is steadily opened main valve; After pilot valve was closed, piston upper chamber pressure reduced gradually, slows down closing motion, avoided bump, prolonged main valve working life.
Description of drawings
Fig. 1 is that the structure of the embodiment of the invention 1 (floating ball guided water discharge valve of bimetal automatic-discharging device of air) forms schematic representation.
Fig. 2 is that the structure of the embodiment of the invention 2 (floating ball guided water discharge valve of bellows automatic-discharging device of air) forms schematic representation.
Fig. 3 is the side schematic view of the embodiment of the invention.
Fig. 4 is the bimetallic sheet structure schematic representation of the embodiment of the invention 1.
Fig. 5 is the rhombus bimetallic sheet structure schematic representation of the embodiment of the invention 1.
Fig. 6 is the star bimetallic sheet structure schematic representation of the embodiment of the invention 1.
Fig. 7 is the bellows structure schematic representation of the embodiment of the invention 2.
Embodiment
The present invention is further illustrated in connection with accompanying drawing for following examples.
Embodiment 1 (floating ball guided water discharge valve of bimetal automatic-discharging device of air)
Referring to Fig. 1 and 3～6, the embodiment of the invention 1 is provided with float ball guided valve, upper valve body 2, filtrating equipment, venting gas appliance, piston assembly, main valve, conduit and valve gap 8.
Described float ball guided valve is provided with lower valve body 11, ball float 12, every cover 13, fixedly jump ring 14, guide's valve seat 15, adjusting bolt 16, lower union 71 and blowdown bolt 18; Described filtrating equipment is provided with inlet tube 31 and filter screen 32; Described piston assembly is provided with piston body 51, piston 52,3 uniform relief holes 53 and spring 54; Described main valve is provided with main valve seat 61, main valve plug 62 and main valve stem 63.
Described upper valve body 2 adopts stud bolt to be connected with lower valve body 11, and described upper valve body 2 is divided into upper lower valve chamber with lower valve body 11 by inner cap 10; Described filtrating equipment and venting gas appliance are located in the lower valve body 11, and piston assembly is located in the upper valve body 2, and valve gap 8 is placed on upper valve body 2 tops and adopts stud bolt to be connected with upper valve body 2.
Described ball float 12 is installed on lower valve body 11 inner chambers and can freely rotates, be installed in lower valve body 11 inner chamber tops and adopt fixedly jump ring 14 to fix every cover 13, guide's valve seat 15 is installed in lower valve body 11 lower sides, fixing with plug screw 75, adjusting bolt 16 is installed in lower valve body 11 bottoms, the blowdown bolt 18 of lower valve body 11 is installed in lower valve body 11 1 side lower ends, and fastening with being threaded; The blowdown bolt of upper valve body 2 is installed in a side of upper valve body 2.
Described filtrating equipment is installed in the valve pocket of lower valve body 11 left parts, and inlet tube 31 is communicated with valve pocket, and inlet tube 31 usefulness are threaded in lower valve body 11 lower ends; Filter screen 32 is installed on inlet tube 31 outlet end.Be provided with plug 17 and adjusting nut 19 in lower valve body 11 bottoms.
Described venting gas appliance is installed in the valve pocket of lower valve body 11 right parts.Described venting gas appliance is provided with outlet pipe 41, delivery valve seat 42, exhaust plug 43, bimetallic strip 44, guide rod 45, baffle plate 46 and adjusting nut 47, the outlet plenum of outlet pipe 41 straight-through upper valve bodies 2, outlet pipe 41 is fastening by delivery valve seat 42, exhaust plug 43 is inserted in delivery valve seat 42 holes, bimetallic strip 44 overlapping being installed in the guide rod 45 also with baffle plate 46 and adjusting nut 47 fastening fixing; Described exhaust plug 43 can adopt back seal semicircle sphere exhaust plug, and described bimetallic strip 44 can adopt rhombus bimetallic strip 441 or star bimetallic strip 442.
Described piston body 51 at right angle settings are in upper valve body 2 tops, and piston body 51 is connected with valve gap 8, and spring 54 is placed in piston 52 lower end boss, and piston 52 is installed in the piston body 51, and piston 52 matches with the endoporus of piston body 51, and can slide to axial.
Described main valve seat 61 bottoms are provided with guide ring, described guide ring and main valve seat 61 are connected as a single entity, described main valve seat 61 usefulness self are threaded and are installed on the upper valve body 2, main valve plug 62 and the main valve stem 63 of back seal is connected as a single entity and is installed in main valve seat 61 holes, main valve stem 63 is inserted in spring 54 endoporus of piston assembly and is connected to piston 52 upper ends, and main valve stem 63 is connected to piston 52 upper ends.
Described conduit 7 is installed in upper valve body 2 trailing flanks, and the lower end of conduit 7 self is threadedly connected to lower valve body 11 by lower union 71 usefulness, and fastening with lower loose joint nut 72; Conduit 7 upper ends are welded in valve gap 8 ends and fastening with loose joint nut 74 by upper union 73.
Embodiment 2 (floating ball guided water discharge valve of bellows automatic-discharging device of air)
Referring to Fig. 2 and 7, similar to Example 1, its difference is that described venting gas appliance is provided with outlet pipe 41, the large valve seat 42 of exhaust, the little valve seat 42A of exhaust, exhaust plug 43, diaphragm 44, bellows loam cake 45, bellows lower cover 45A, limiting board 46, spring 76, pressing plate 77 and bellows cover 78, the outlet plenum of described outlet pipe 41 straight-through upper valve bodies 2, outlet pipe 41 is fastening by the large valve seat of exhaust 42, the little valve seat 42A of exhaust fixes with large valve seat 42 screw threads for fastening, bellows loam cake 45 is welded with bellows lower cover 45A and diaphragm 44, exhaust plug 43 and diaphragm 44 are connected spot welding and are connected with limiting board, bellows cover 78 lower end borehole jacks enter outer and large valve seat 42 screw threads for fastening of exhaust of the little valve seat 42A of exhaust screw thread, bellows is inserted in the bellows cover 78, spring 76 is enclosed within bellows loam cake 45 tops, and pressing plate 77 is pressed in spring top and is inserted in bellows cover 78 inside grooves.In Fig. 2 and 7, other mark and Fig. 1,3～6 identical.
Claims (10)
1. floater-guided steam trap is characterized in that being provided with float ball guided valve, upper valve body, filtrating equipment, venting gas appliance, piston assembly, main valve, conduit and valve gap;
Described float ball guided valve is provided with lower valve body, ball float, every cover, fixedly jump ring, guide's valve seat, adjusting bolt, lower union and blowdown bolt; Described filtrating equipment is provided with inlet tube and filter screen; Described piston assembly is provided with piston body, piston, relief hole and spring; Described main valve is provided with main valve seat, main valve plug and main valve stem;
Described upper valve body is connected with lower valve body, and described upper valve body and lower valve body are divided into upper lower valve chamber by inner cap; Described filtrating equipment and venting gas appliance are located in the lower valve body, and piston assembly is located in the upper valve body, and valve gap is placed on upper valve body top and is connected with upper valve body;
Described ball float is installed on lower body cavity and can freely rotates, be installed in lower body cavity top and fixing every cover, guide's valve seat is installed in lower valve body lower side, fixes with plug screw, adjusting bolt is installed in lower valve body lower portion, and the blowdown bolt of lower valve body is installed in lower valve body one side; The blowdown bolt of upper valve body is installed in a side of upper valve body;
Described filtrating equipment is installed in the valve pocket of lower valve body left part, and inlet tube is communicated with valve pocket, and inlet tube is with being threaded in lower valve body lower end; Filter screen is installed on the inlet tube outlet end;
Described venting gas appliance is installed in the valve pocket of lower valve body right part;
Described piston body at right angle setting is in upper valve body top, and piston body is connected with valve gap, and spring is placed in piston lower end boss, and piston is installed in the piston body, and piston matches with the endoporus of piston body, and piston and piston physical efficiency are slided to axial;
Described main valve seat bottom is provided with guide ring, described guide ring and main valve seat are connected as a single entity, described main valve seat is installed on the upper valve body with self being threaded, the main valve plug of back seal and main valve stem are connected as a single entity and are installed in the main valve seat hole, main valve stem is inserted in the spring endoporus of piston assembly and is connected to the piston upper end, and main valve stem is connected to the piston upper end;
Described conduit is installed in the upper valve body trailing flank, the lower end of conduit by lower union with self being threadedly connected to lower valve body, and with lower loose joint fastening nuts; The conduit upper end is welded in the valve gap end and uses the loose joint fastening nuts by upper union.
2. floater-guided steam trap as claimed in claim 1 is characterized in that described upper valve body and lower valve body adopt stud bolt to be connected.
3. floater-guided steam trap as claimed in claim 1 is characterized in that described valve gap is placed on upper valve body top and adopts stud bolt to be connected with upper valve body.
4. floater-guided steam trap as claimed in claim 1 is characterized in that describedly being installed in lower body cavity top and adopting fixedly jump ring to fix every cover.
5. floater-guided steam trap as claimed in claim 1 is characterized in that the blowdown bolt of described lower valve body is installed in lower valve body one side lower end and fastening with being threaded.
6. floater-guided steam trap as claimed in claim 1, it is characterized in that described venting gas appliance is provided with outlet pipe, delivery valve seat, exhaust plug, bimetallic strip, guide rod, baffle plate and adjusting nut, the outlet plenum of the straight-through upper valve body of outlet pipe, outlet pipe is fastening by delivery valve seat, exhaust plug is inserted in the delivery valve seat hole, and overlapping being installed in of bimetallic strip also uses baffle plate and adjusting nut fastening fixing in the guide rod.
7. floater-guided steam trap as claimed in claim 6 is characterized in that described exhaust plug adopts back seal semicircle sphere exhaust plug.
8. floater-guided steam trap as claimed in claim 6 is characterized in that described bimetallic strip adopts rhombus bimetallic strip or star bimetallic strip.
9. floater-guided steam trap as claimed in claim 1, it is characterized in that described venting gas appliance is provided with outlet pipe, the large valve seat of exhaust, the little valve seat of exhaust, exhaust plug, diaphragm, the bellows loam cake, the bellows lower cover, limiting board, filling liquid, spring, pressing plate and bellows cover, the outlet plenum of the straight-through upper valve body of described outlet pipe, outlet pipe is fastening by the large valve seat of exhaust, the little valve seat of exhaust is fixed with large valve seat screw threads for fastening, bellows loam cake and bellows lower cover and diaphragm are welded, spot welding is connected exhaust plug with limiting board with diaphragm, bellows cover lower end borehole jack enters the outer and large valve seat screw threads for fastening of exhaust of the little valve seat screw thread of exhaust, bellows is inserted in the bellows cover, spring housing is on bellows loam cake top, and pressing plate is pressed in spring top and is inserted in bellows cover inside groove.
10. floater-guided steam trap as claimed in claim 1 is characterized in that described relief hole is 3 uniform relief holes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110219573 CN102287611B (en) | 2011-08-01 | 2011-08-01 | Floater-guided steam trap |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110219573 CN102287611B (en) | 2011-08-01 | 2011-08-01 | Floater-guided steam trap |
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| CN102287611A CN102287611A (en) | 2011-12-21 |
| CN102287611B true CN102287611B (en) | 2013-03-27 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104048154A (en) * | 2014-06-11 | 2014-09-17 | 成都科力夫科技有限公司 | Drain-off device for preventing generation of steam locking favorably |
| 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 |
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| US3785555A (en) * | 1972-09-06 | 1974-01-15 | K Fujiwara | Steam trap of the free float type |
| NZ209289A (en) * | 1983-10-27 | 1987-03-31 | Tlv Co Ltd | Gas pressure reducing valve with liquid separator |
| JPH0752455Y2 (en) * | 1989-10-04 | 1995-11-29 | フシマン株式会社 | Flow path switching device in steam trap |
| CN2126725Y (en) * | 1990-12-30 | 1993-02-03 | 航空航天部航空规划设计研究院 | Improved free floating ball type water conducing valve |
| JP2009041721A (en) * | 2007-08-10 | 2009-02-26 | Tlv Co Ltd | Steam trap with piping joint |
| CN201866520U (en) * | 2010-11-30 | 2011-06-15 | 甘肃红峰机械有限责任公司 | Adjustable guide superheated steam trap of novel inverted bucket |
| CN202252806U (en) * | 2011-08-01 | 2012-05-30 | 洪新强 | Floating ball guiding type steam trap |
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2011
- 2011-08-01 CN CN 201110219573 patent/CN102287611B/en active Active
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| Publication number | Publication date |
|---|---|
| CN102287611A (en) | 2011-12-21 |
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Application publication date: 20111221 Assignee: YINGQIAO MACHINERY MANUFACTURING Co.,Ltd. Assignor: Hong Xinqiang Contract record no.: 2014350000075 Denomination of invention: Floater-guided steam trap Granted publication date: 20130327 License type: Exclusive License Record date: 20140708 |
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Effective date of registration: 20221108 Address after: No. 179, Hengban Avenue, Yingdu Valve Base, Nan'an, Quanzhou, Fujian, 361,005 Patentee after: YINGQIAO MACHINERY MANUFACTURING Co.,Ltd. Address before: No. 5, South Garden, Shishan Village, Yingdu Town, Nan'an City, Quanzhou City, Fujian Province, 362305 Patentee before: Hong Xinqiang |