CN104896299A - Double-valve double-balanced four-valve-seat type ultralarge-displacement steam trap - Google Patents
Double-valve double-balanced four-valve-seat type ultralarge-displacement steam trap Download PDFInfo
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- CN104896299A CN104896299A CN201510324310.3A CN201510324310A CN104896299A CN 104896299 A CN104896299 A CN 104896299A CN 201510324310 A CN201510324310 A CN 201510324310A CN 104896299 A CN104896299 A CN 104896299A
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Abstract
The invention relates to a double-valve double-balanced four-valve-seat type ultralarge-displacement steam trap which is characterized in that two end of a valve cover are symmetrically connected with a valve body I and a valve body II, wherein the lower parts of the valve cover are symmetrically connected with a control system component I and a control system component II; one end of a rod frame penetrates through a pin shaft I; a fixed plate is welded at the other end of the rod frame; a floating ball seat is fixedly connected with a floating ball component I and a floating ball component II respectively through the fixed plate; splitter plates in the control system component I and the control system component II are transversely inserted in the middle of a control frame; a valve rod penetrates through the splitter plates; the lower end of the control frame penetrates through one end of the valve rod, the upper end of the control frame penetrates through the other end of the valve rod, and the tail end of the valve rod is connected with the lower end of a connecting shaft; an airway tube component I and an airway tube component II are mounted in conical screw holes in the upper left end of the control frame, and are connected with an automatic air discharge valve I and an automatic air discharge valve II respectively. The double-valve double-balanced four-valve-seat type ultralarge-displacement steam trap can have ultralarge displacement when the operating pressure differential is relatively low, can replace a condensate recovery pump, and is reliable in action, long in service life and convenient to maintain.
Description
Technical field
The present invention relates to a kind of ultrahigh-displacement steam trap, more specifically to the two balance of the dual-valve body four valve seat type huge discharge Automatic steam trap Traps of super large discharge, stability and good reliability under a kind of low pressure.Within the scope of Maximum differential pressure 1.6MPaG, maximum pump discharge 550t/h automatic block steam and drain water and utilize drain valve back pressure reclaim water of condensation.
Background technique
At present, known Automatic steam trap Trap, at 0.01MPaG ~ 1.6MPaG operated within range, maximum pump discharge only has 230t/h, and discharge capacity is less than normal, can not meet the demand of low pressure super large discharge operating mode, is installed in parallel two drain valves simultaneously and takes up room too large, cannot install.
Summary of the invention
The technical problem to be solved in the present invention is: can not meet the demands under low pressure, super large discharge parameter to overcome existing lever float ball type steam drain valve, the invention provides the two balance of a kind of dual-valve body four valve seat type ultrahigh-displacement steam traps, maximum operating pressure differential 1.6MPaG, can action message within the scope of maximum pump discharge 550t/h, water of condensation and can not condensing body is got rid of in steam under meeting low pressure super large discharge operating mode, stop the usage requirement of steam leakage, and be conducive to condensate-water polishing utilization.
The present invention includes valve body I, valve body II, valve gap, floating ball component I, floating ball component II, control system assembly I, control system assembly II, air pipe assembly I, air pipe assembly II, automatic air escape cock I, automatic air escape cock II, its feature is:
Sealing gasket I is equipped with at a, valve gap two ends respectively, and symmetrical connection valve body I, valve body II are fixedly connected with by hexagon head bolt respectively; Valve body I and valve body II upper end are equipped with pressure gauge connection plug screw respectively, are sealed by sealing gasket II, and valve body I and valve body II lower end are equipped with sewage draining exit plug screw respectively, are sealed by sealing gasket III; Bottom, two ends, valve gap left and right osculum is equipped with sealing gasket IV respectively, and by hexagon head bolt through spring washer connection control system assembly I, control system assembly II respectively, rivets for rame plate riveted joint in valve gap top has drain valve label; Valve gap two end flange respectively level be welded on valve gap water in-out port two ends.
Flow distribution plate in b, control system assembly I, control system assembly II is horizontal to be inserted in the middle of control cage, by hole retainer ring spacing; Valve rod is through flow distribution plate; Stop collar, spool, support are equipped with successively by one end of valve rod in control cage lower end, fastening by I type hexagon nut, and elastic cylindrical pin is reinforced; Support, spacer, spool are equipped with successively by the other end of valve rod in control cage upper end, fastening by two hexagon nuts, are threaded by the screw of the end of valve rod with coupling shaft lower end; Bearing pin I is equipped with two interstage sleeves, by the cantilever of two in control cage, bridge one end is through bearing pin I; Pin shaft II connects bridge and two side connecting plates; Pin shaft III connects two side connecting plates and coupling shaft; The other end of bridge is welded with fixed plate, and ball float is fixed by spring washer, nut by fixed plate.Air pipe assembly I, air pipe assembly II are equipped with respectively by cone screw in the upper left side of control cage.The other end internal diameter whorl of the joint of described air pipe assembly I connects automatic air escape cock I.The other end internal diameter whorl of the joint of described air pipe assembly II connects automatic air escape cock II.
The present invention provides one to be applicable to super-huge steam pipeline and steam indirect heated component to user, pressure reduction lower (0.01MPaG ~ 1.6MPaG), (550t/h) mechanical-type lever float ball type steam drain valve of water of condensation discharge capacity super large, its advantage is when lower operating pressure differential, water displacement super large.Can discharge lower than 203 DEG C of water of condensation in time, can intermittent drainage when load is less, can continuous drainage when load is larger.High water seal ensure that steam leakage loss is little, Rate of load steam loss <0.5%.Alternative condensate transfer pump, utilize drain valve operating pressure differential directly to reclaim water of condensation, Operating back pressure is high, and Maximum operating back pressure rate can reach 90%, blocks up without air gas, automatically can eliminate steam vapour lock.Reliable in action, the life-span long (opening/closing system is greater than 12000 hours, and housing is greater than 8 years), easy for installation, compact structure, all internals are installed on valve gap, can on-line maintenance, and adopt high parameter, low price.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the two balance of a kind of dual-valve body of the present invention four valve seat type ultrahigh-displacement steam trap structure cross-sectional schematic.
Fig. 2 is the plan view of Fig. 1
Fig. 3 is the left view of Fig. 1
Fig. 4 is the structure cross-sectional schematic of valve gap 9 in Fig. 1.
Fig. 5 is A-A sectional view in Fig. 4.
Fig. 6 is the structure for amplifying schematic diagram of floating ball component I 1 in Fig. 1, floating ball component II 59.
Fig. 7 is control system assembly I 5 in Fig. 1, the structure of control system assembly II 60 analyses and observe enlarged diagram.
Fig. 8 is the right elevation of Fig. 7.
Fig. 9 is the plan view of Fig. 7.
Figure 10 is that the structure of automatic air escape cock 7 in Fig. 1 analyses and observe enlarged diagram.
Figure 11 is the structure enlarged diagram of air pipe assembly I 6 in Fig. 1, air pipe assembly II 62.
Figure 12 is the schematic diagram of air and non-condensible gas in the two balance of a kind of dual-valve body of the present invention four valve seat type ultrahigh-displacement steam trap cavitys, steam, low-temperature condensate, condensed water in high temperature.
Figure 13 is the initial schematic diagram of working principle of the present invention.
Figure 14 is floating ball component I 1 in working principle of the present invention, floating ball component II 59 floats simultaneously, valve opening view.
Figure 15 is floating ball component I 1 in working principle of the present invention, floating ball component II 59 falls simultaneously, close valve state schematic diagram.
Figure 16 is floating ball component I 1 in working principle of the present invention, floating ball component II 59 floats simultaneously, enters new recurrent state schematic diagram.
Embodiment
In Fig. 1,2,3,4,5,6,7,8,9,10,11: valve body I 2 and valve body II 58, floating ball component I 1 and floating ball component II 59, control system assembly I 5 and control system assembly II 60, air pipe assembly I 6 and air pipe assembly II 61, automatic air escape cock I 7 and automatic air escape cock II 62, all identical.Sealing gasket I 13 is equipped with at valve gap 9 two ends respectively, and symmetrical connection valve body I 2, valve body II 58 are fixedly connected with by hexagon head bolt 12 respectively.Valve body I 2, valve body II 58, valve gap 9 are all by PN16 design, and adopt WCB foundry goods, valve body wall thickness and pressure and temp grade meet the regulation of GB/T12224-2005 " steel valve General Requirements ".Valve body I 2 and valve body II 58 upper end are equipped with pressure gauge connection plug screw 4 respectively, and sealed by sealing gasket II 3, its effect is: be convenient to user installation pressure gauge, grasp valve internal pressure size.Valve body I 2 and valve body II 58 lower end are equipped with sewage draining exit plug screw 14 respectively, and sealed by sealing gasket III 15, its effect is: after drain valve uses a period of time, will build up of dirt in valve, regularly open plug screw 14, get rid of dirt, ensure to clean in valve.Bottom, valve gap about 9 two ends osculum 21 is equipped with sealing gasket IV 20 respectively, by hexagon head bolt 18 through spring washer 19 connection control system assembly I 5, control system assembly II 60 respectively; Rivets for rame plate 11 riveted joint in valve gap 9 top has drain valve label 10, valve gap 9 liang of end flange 8 respectively level be welded on valve gap 9 water in-out port two ends.Flow distribution plate 32 in control system assembly I 5, control system assembly II 60 is all horizontal to be inserted in the middle of control cage 28, spacing by hole back-up ring 48.The effect of flow distribution plate 32 is: the water of condensation entered in control cage 28 from control cage about 28 two-port separated, and makes it to impact mutually to make the discharge capacity of drain valve unaffected.Valve rod 30 is through flow distribution plate 32, stop collar 31, spool 29, support 27 are equipped with successively by one end of valve rod 30 in control cage 28 lower end, fastening by I type hexagon nut 25, elastic cylindrical pin 26 penetrates in valve rod 30 through I type hexagon nut 25 external diameter, its effect: be that reinforcement is fastening.Stop collar 31 is contained in the downside of the intermediate step of valve rod 30.Support 27, spacer 34, spool 29 are equipped with successively by the other end of valve rod 30 in control cage 28 upper end, fastening by two hexagon nuts 37, are threaded by the screw of the end of valve rod 30 with coupling shaft 38 lower end.Bearing pin I 43 is equipped with two interstage sleeves 42, by the cantilever of two in control cage 28 47, is fixed by cotter pin 44.Bridge 36 one end is through bearing pin I 43; Pin shaft II 41 connects bridge 36 and two side connecting plates 39, is fixed by cotter pin 40.Pin shaft III 45 connects two side connecting plates 39 and coupling shaft 38, is fixed by cotter pin 46.The other end of bridge 36 is welded with fixed plate 35, and ball float seat 23 is fixed by spring washer 16, nut 17 by fixed plate 35.The upper left side of control cage 28 by cone screw 33 respectively symmetry air pipe assembly I 6 is housed, air pipe assembly II 61.The other end internal diameter whorl of the joint 57 of described air pipe assembly I 6 connects automatic air escape cock I 7, and the other end internal diameter whorl of the joint 57 of air pipe assembly II 61 connects automatic air escape cock II 62.Automatic air escape cock I 7, automatic air escape cock II 62 are fastening through air valve base 50, bimetallic strip 51, packing ring 52, back-up ring 53, two hexagon nuts 54 successively by air spool 49 respectively, packing ring 52 is had to separate between every two bimetallic strips 51, air valve base 50 top is uniform 6 exhaust ports 55 circumferentially, its effect is: the air in drain valve enters air valve from these 6 exhaust ports 55, by air pipe 56 and control cage 28, discharge from drain valve outlet(discharge) flange.
Working principle of the present invention is such: the two balance of dual-valve body four valve seat type ultrahigh-displacement steam traps are arranged on after on pipeline, as Figure 12, 13, 14, 15, the signal of 16 is started working automatically: the air first in pipeline or incondensable gas and water of condensation mixture enter drain valve valve body I 2 in the lump by inlet opening 22, valve body II 58 inner chamber is separated automatically, now automatic air escape cock I 7, automatic air escape cock II 62 is in open mode, air and incondensable gas are by air pipe assembly I 6, air pipe assembly II 61 is discharged from drain valve exit orifice 21 automatically.Low-temperature condensate flows into body cavity from import smoothly, water of condensation and impurity start to assemble (see accompanying drawing 13) in drain valve, a large amount of condensed water in high temperature flows into rapidly valve body I 2, valve body II 58 inner chamber subsequently, increase in temperature in valve body, automatic air escape cock I 7, automatic air escape cock II 62 are closed, when liquid level rises to certain altitude, floating ball component I 1, floating ball component II 59 are by buoyancy levitating, drive coupling shaft 38, spool 29, support 27 to lift four spools 29 by bridge 36, water of condensation is discharged (see accompanying drawing 14) from exit orifice 21 rapidly.After water of condensation is drained, floating ball component I 1, floating ball component II 59 fall, and at this moment leverage drives four spools 29 accurately to fall simultaneously, and drain valve is closed, and stops steam leakage (see accompanying drawing 15).Condensed water in high temperature continues to enter drain valve valve body I 2, valve body II 58 inner chamber from inlet opening 22 in a large number, when liquid level rises to certain altitude, floating ball component I 1, floating ball component II 59 rise by buoyancy, four spools 29 are lifted simultaneously, drain valve is opened, and enters new circulation automatic operation (see accompanying drawing 16).
In sum: present invention employs the two balance of new-type double-valve body four valve seat constructions, not only realize the technical requirements of discharge capacity super large under low voltage difference, and reduce drain valve volume to a certain extent, reduce cost.The present invention is designed with two identical valve bodies, two and overlaps identical control system, and a valve gap indoor design is streamlined, and unique outlook is novel, and relative volume is little, and wall thickness only 20mm, all parts are installed on valve gap, can keep in repair very easily online.
Claims (4)
1. the two balance of dual-valve body four valve seat type ultrahigh-displacement steam traps, comprise valve body I (2), valve body II (58), valve gap (9), floating ball component I (1), floating ball component II (59), control system assembly I (5), control system assembly II (60), air pipe assembly I (6), air pipe assembly II (61), automatic air escape cock I (7), automatic air escape cock II (62), it is characterized in that:
Sealing gasket I (13) is equipped with at a, valve gap (9) two ends respectively, and symmetrical connection valve body I (2), valve body II (58) are fixedly connected with by hexagon head bolt (12) respectively; Valve body I (2) and valve body II (58) upper end are equipped with pressure gauge connection plug screw (4) respectively, sealed by sealing gasket II (3), valve body I (2) and valve body II (58) lower end are equipped with sewage draining exit plug screw (14) respectively, are sealed by sealing gasket III (15); Sealing gasket IV (20) is equipped with at bottom osculum, valve gap (9) two ends, left and right (21) respectively, by hexagon head bolt (18) through spring washer (19) connection control system assembly I (5), control system assembly II (60) respectively; Valve gap (9) top rivets for rame plate (11) riveted joint has drain valve label (10); Valve gap (9) two end flange (8) respectively level be welded on valve gap (9) water in-out port two ends;
Flow distribution plate (32) in b, control system assembly I (5), control system assembly II (60) is horizontal to be inserted in the middle of control cage (28), spacing by hole back-up ring (48); Valve rod (30) is through flow distribution plate (32); Stop collar (31), spool (29), support (27) are equipped with successively by one end of valve rod (30) in control cage (28) lower end, fastening by I type hexagon nut (25), elastic cylindrical pin (26) is reinforced; Support (27), spacer (34), spool (29) are equipped with successively by the other end of valve rod (30) in control cage (28) upper end, fastening by two hexagon nuts (37), the screw of the end of valve rod (30) with coupling shaft (38) lower end is threaded; Bearing pin I (43) is equipped with two interstage sleeves (42), by two cantilevers (47) in control cage (28), bridge (36) one end is through bearing pin I (43); Pin shaft II (41) connects bridge (36) and two side connecting plates (39); Pin shaft III (45) connects two side connecting plates (39) and coupling shaft (38); The other end of bridge (36) is welded with fixed plate (35), and ball float seat (23) is fixed by spring washer (16), nut (17) by fixed plate (35); Air pipe assembly I (6), air pipe assembly II (61) are equipped with respectively by cone screw (33) in the upper left side of control cage (28); The other end internal diameter whorl of the joint (57) of described air pipe assembly I (6) connects automatic air escape cock I (7); The other end internal diameter whorl of the joint (57) of air pipe assembly II (61) connects automatic air escape cock II (62).
2. the two balance of a kind of dual-valve body according to claim 1 four valve seat type ultrahigh-displacement steam traps, is characterized in that: floating ball component I (1), floating ball component II (59) are welded by ball float seat (23) and hollow float (24).
3. the two balance of a kind of dual-valve body according to claim 1 four valve seat type ultrahigh-displacement steam traps, it is characterized in that: weld after air pipe assembly I (6), air pipe assembly II (61) are fastening with joint (57) internal diameter whorl by conduit (56), conduit (56) the other end is tapered thread.
4. the two balance of a kind of dual-valve body according to claim 1 four valve seat type ultrahigh-displacement steam traps, is characterized in that: automatic air escape cock I (7), automatic air escape cock II (62) are fastening through air valve base (50), bimetallic strip (51), packing ring (52), back-up ring (53), two hexagon nuts (54) successively by air spool (49); Have packing ring (52) to separate between every two bimetallic strips (51), air valve base (50) top is uniform exhaust port (55) circumferentially.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510324310.3A CN104896299A (en) | 2015-06-11 | 2015-06-11 | Double-valve double-balanced four-valve-seat type ultralarge-displacement steam trap |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510324310.3A CN104896299A (en) | 2015-06-11 | 2015-06-11 | Double-valve double-balanced four-valve-seat type ultralarge-displacement steam trap |
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| CN104896299A true CN104896299A (en) | 2015-09-09 |
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| CN201510324310.3A Pending CN104896299A (en) | 2015-06-11 | 2015-06-11 | Double-valve double-balanced four-valve-seat type ultralarge-displacement steam trap |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02129499A (en) * | 1988-11-08 | 1990-05-17 | Tlv Co Ltd | Float valve |
| CN101514778A (en) * | 2009-01-12 | 2009-08-26 | 甘肃红峰机械有限责任公司 | Super large discharge lever float ball type steam drain valve |
| CN201582550U (en) * | 2009-12-31 | 2010-09-15 | 甘肃红峰机械有限责任公司 | High and medium pressure ultrahigh-displacement steam trap |
| JP2011241855A (en) * | 2010-05-14 | 2011-12-01 | Tlv Co Ltd | Steam trap with piping joint |
| CN204739413U (en) * | 2015-06-11 | 2015-11-04 | 甘肃红峰机械有限责任公司 | Two four balanced disk seat formula super large discharge capacity steam traps of bivalve body |
-
2015
- 2015-06-11 CN CN201510324310.3A patent/CN104896299A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02129499A (en) * | 1988-11-08 | 1990-05-17 | Tlv Co Ltd | Float valve |
| CN101514778A (en) * | 2009-01-12 | 2009-08-26 | 甘肃红峰机械有限责任公司 | Super large discharge lever float ball type steam drain valve |
| CN201582550U (en) * | 2009-12-31 | 2010-09-15 | 甘肃红峰机械有限责任公司 | High and medium pressure ultrahigh-displacement steam trap |
| JP2011241855A (en) * | 2010-05-14 | 2011-12-01 | Tlv Co Ltd | Steam trap with piping joint |
| CN204739413U (en) * | 2015-06-11 | 2015-11-04 | 甘肃红峰机械有限责任公司 | Two four balanced disk seat formula super large discharge capacity steam traps of bivalve body |
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Application publication date: 20150909 |
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