CN202228911U - Temperature-adjusting pilot-operated steam trap with bimetallic strip - Google Patents
Temperature-adjusting pilot-operated steam trap with bimetallic strip Download PDFInfo
- Publication number
- CN202228911U CN202228911U CN2011202771316U CN201120277131U CN202228911U CN 202228911 U CN202228911 U CN 202228911U CN 2011202771316 U CN2011202771316 U CN 2011202771316U CN 201120277131 U CN201120277131 U CN 201120277131U CN 202228911 U CN202228911 U CN 202228911U
- Authority
- CN
- China
- Prior art keywords
- valve
- bimetallic strip
- pilot
- piston
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Details Of Valves (AREA)
Abstract
A temperature-adjusting pilot-operated steam trap with a bimetallic strip relates to a steam trap. The temperature-adjusting pilot-operated steam trap with the bimetallic strip is provided with a pilot-operated valve with the bimetallic strip, an upper valve cover, a small valve cover, a valve cap, a valve body, a piston assembly, a main valve, a lower filter screen, a pollution discharge end cap and a lower valve cover, wherein the pilot-operated valve with the bimetallic strip is arranged at the upper part of the valve body, the piston assembly and the main valve are arranged in the middle of the valve body, the lower filter screen is arranged at the lower part of the valve body, the lower valve cover is covered at the lower part of the valve body, directly-through external connection flanges are arranged on left and right sides of the valve body, the upper valve cover is covered at the upper part of the valve body, the small valve cover is covered on the upper valve cover, and the valve cap is fastened at the top of the small valve cover; the pilot-operated valve with the bimetallic strip is provided with the bimetallic strip, a pilot-operated valve seat, a pilot-operated valve core, a pilot-operated valve rod, two guide rods, a fixed plate, an adjusting plate, an adjusting rod, an upper filter screen and a baffle ring; the piston assembly is provided with a piston body, a piston, a pressure releasing hole and a spring; and the main valve is provided with a main valve seat, a main valve core and a main valve rod. For the temperature-adjusting pilot-operated steam trap, the structure is more reasonable, the performance is more stable and reliable, the maintenance is simpler and more convenient, and the service life is longer.
Description
Technical field
The utility model relates to a kind of Automatic steam trap Trap, especially relates to a kind of bimetallic strip temperature and transfers pilot-operated type steam trap valve.
Background technique
The adjustable pilot-operated super large discharge Automatic steam trap Trap of existing bimetal, mainly by bimetal or wax formula pilot valve assembly parts, regulate parts such as cap, pilot valve valve gap, piston, piston sleeve, main valve bottom and form.Its working principle is: control main valve with temperature sensitive bimetal or the hot static(al) component assembly of wax formula as pilot valve; When being full of steam in the valve pocket; Bimetallic assembly is in the hot environment and expands; Pilot valve cuts out, and main valve then also is in closed condition owing to the acting in conjunction of medium power and spring force, thereby plays the effect that stops steam to be discharged.When be full of in the valve pocket be cool air the time, hot static(al) element then shrinks pilot valve is opened, cool air just can be discharged via the aperture on pilot valve, the piston, thereby plays the effect of emptying gas.When flow in the valve pocket be cold condensate the time; Because the temperature of condensed water is lower than the operating temperature of the hot static(al) component assembly of bimetal; Pilot valve can be opened draining, and condensed water is gone into the main valve piston epicoele through the pilot valve seat orifice flow, because the sectional area of piston is much larger than the sectional area of main valve valve seat; Piston and valve core of main valve assembly receive to make a concerted effort downwards, then main valve open draining.When draining finished, high-temperature steam got into pilot valve, and pilot valve cuts out.On piston, be provided with pressure release buffering aperture; When main valve is closed; The pressure of piston upper chamber can not discharge rapidly, and promptly main valve can not closed rapidly, thereby has avoided clashing of valve core of main valve and valve seat; Improved the working life of sealing surface, prevented effectively that main valve from closing to overrun and caused pipeline vibration.
The adjustable pilot-operated super large discharge Automatic steam trap Trap of existing bimetal, the adjustable double metal of its pilot valve adopts the structure of circular plate type, and the power of picking that the circular plate type bimetallic strip produces under temperature action is the straight line of certain slope, differs greatly with the saturation temperature curve.Its shortcoming is the state of devoting oneself to work successively that can not divide into groups, and makes bimetallic element overall characteristic and saturation temperature characteristic curve consistent.Because its characteristic line is the straight line with certain slope; Bigger with saturated vapour curve difference; Therefore adaptability is relatively poor, the sensitivity that after once adjusting, can only on an operation point, show, and can not in its whole operating ranges, keep this sensitivity.Change like working pressure, then must regulate correction once more.Use need frequently be adjusted with the temperature and the variation in pressure of operating mode on actual conditions like this, could satisfy working condition requirement, thereby has influenced the performance of Automatic steam trap Trap.
Summary of the invention
The purpose of the utility model provides the bimetal temperature accent pilot-operated type steam trap valve that a kind of structure is reasonable, performance is more reliable and more stable, it is easier to safeguard, working life is long.
The utility model is provided with bimetallic strip pilot valve, bonnet, little valve gap, bonnet, valve body, piston assembly, main valve, following filter screen, blowdown plug and bottom flange;
Said bimetallic strip pilot valve is located at valve body top; Piston assembly and main valve are located at the valve body middle part, and following filter screen is located at valve body lower portion, and bottom flange is placed on valve body lower portion; Straight-through external flange is set about valve body; Bonnet is placed on valve body top, and little valve gap is placed on bonnet, and bonnet is anchored on little valve gap top;
Said bimetallic strip pilot valve is provided with bimetallic strip, guide's valve seat, guide's spool, guide's valve rod, 2 guide rods, fixed plate, adjustment plate, regulating lever, last filter screen and baffle rings; Said piston assembly is provided with piston body, piston, relief hole and spring; Said main valve is provided with main valve seat, main valve plug and main valve stem;
Said bimetallic strip is overlapping be installed on the fixed plate with 2 guide rods in, guide's valve rod and guide's spool are connected as a single entity, and to be installed in guide's valve seat orifice interior and penetrate the bimetallic strip endoporus for back seal; Said fixed plate is located at guide's valve seat top, and 2 guide rods are located on the fixed plate, and 2 guide rod tops penetrate in the adjustment plate hole; Regulating lever penetrates in the adjustment plate hole and little valve gap top, and regulating lever lower end boss connects the adjustment plate; Last filter screen is located at guide's valve seat tapped hole end face, and last filter screen compresses with baffle ring and guide's valve seat end face location; Guide's valve seat is connected with bonnet;
Said piston body vertically is installed on the valve body middle part, and piston body is connected with bonnet; Spring is placed in the piston cavity and piston lower end boss; Piston is installed in the piston body, and piston and piston body endoporus match and merge and can slide to axial; Main valve stem is inserted in the spring endoporus of piston body, and main valve stem is connected the piston upper end;
Said main valve seat bottom is provided with guide ring, and guide ring and main valve seat are connected as a single entity, and main valve seat is installed on the valve body, and main valve plug and main valve stem are connected as a single entity and are installed in the valve body, and main valve stem is inserted in the spring endoporus of piston assembly, and main valve stem is connected the piston upper end;
Said down filter screen is located in the valve body lower portion chamber, and following filter screen is installed in outside the main valve seat hole on the lower convex platform and bottom flange, and the blowdown plug is installed in the valve body pollutant exhaust hole.
Said bonnet is connected with bolton with valve body top, and seals with sealing gasket; Bottom flange is connected with bolton with valve body lower portion, and seals with sealing gasket; Little bonnet lower is connected with bolton with bonnet, and seals with sealing gasket.
Said bimetallic strip pilot valve can adopt rhombus bimetallic strip pilot valve or star bimetallic strip pilot valve etc.
Said 2 guide rod tops penetrate in the adjustment plate hole and with nut is fastening and fix.The available nut in said regulating lever upper end is fastening fixing.Said guide's valve seat bonnet that self is threaded, and seal with sealing gasket.
Said piston body is connected with bonnet and fixes with bolton; Main valve stem is connected piston upper end and fastening fixing with nut.
Said main valve seat is installed on the valve body with self being threaded and with the sealing gasket sealing, said main valve stem is connected piston upper end and fastening fixing with nut.
Said blowdown plug is installed in the valve body pollutant exhaust hole, and usefulness self nut is fastening, and seals with sealing gasket.
The technological scheme of the utility model is to adopt the bimetallic strip pilot valve of rhombus or star; Rhombus or star bimetallic strip have three different long limits; Under action of temperature, it picks power and forms three curves, three curves is connected then obtain three broken lines in whole temperature range together; This continuous broken line conforms to the saturation temperature curve approximation, has significantly improved the favorable working performance of Automatic steam trap Trap.
The bimetal temperature of the utility model is transferred pilot-operated type steam trap valve, and spring is located in the piston lower piston body, and this spring is provided with pretightening force, has improved the seal pressure on the main valve sealing surface, good seal performance.
The bimetal temperature of the utility model is transferred pilot-operated type steam trap valve, and its main valve plug adopts the orientation type of 3 guiding, accurate positioning, and functional reliability is high.
The working principle of the utility model: when incondensable gas gets into valve pocket, get into guide's valve pocket through pilot hole, rhombus and star bimetallic strip do not produce the power of picking under the situation of not being heated, and guide's spool is opened under the effect of inside and outside differential pressure automatically; Incondensable gas and low-temperature condensate get into piston cavity; A spot of medium is discharged through relief hole, because the piston compression area greater than the main valve compression area, relies on pressure difference; Order about piston and overcome spring force; Displacement downwards drives main valve stem and main valve plug, opens the main valve seat hole and gets rid of incondensable gas and low-temperature condensate in a large number; When thermal coagulation water got into guide's valve pocket, rhombus or star bimetallic strip were under the situation of being heated, and the beginning dilatancy produces the power that picks, and drives guide's valve rod and spool, closes guide's valve seat orifice; This moment, the piston cavity relief hole began pressure release; Make piston cavity produce step-down, the thrust of the elastic force of piston cavity 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 and moves up; Main valve plug is under the effect of 3 guiding; The main valve seat hole is closed in accurately contraposition, and draining stops.After thermal coagulation water began condensation in the pilot valve chamber, rhombus or star bimetallic strip began contraction deformation along with temperature descends, and guide's spool is opened under the effect of inside and outside differential pressure automatically, and next do action begins again.
The pilot valve of the adjustable pilot-operated super large discharge Automatic steam trap Trap of existing bimetal; Its temperature sensing element adopts the circular plate type bimetallic strip, and the circular plate type bimetallic strip is the straight line of certain slope in the power of picking that temperature distortion produces, and comparing with the saturation temperature curve has a long way to go; During work; The difference that can't reach the saturation temperature under the Temperature at discharging condensate under each pressure spot and this pressure is basic identical, i.e. Subcoold temperature basically identical, like this appreciable impact the service behaviour of Automatic steam trap Trap.
Compare with the adjustable pilot-operated super large discharge Automatic steam trap Trap of existing bimetal, the utility model adopts rhombus or star bimetallic strip, and rhombus or star bimetallic strip are polygonal; Three different long limits are arranged respectively, under temperature action, produce three groups of different power that pick; Three groups of different power of picking are connected together; Just obtain the continuous broken line of whole temperature range, this broken line more approaches the saturated-steam temperature curve, and such range of working pressure is big; Need not frequent adjustment during work; The difference that has reached the saturation temperature under the Temperature at discharging condensate under each pressure spot and this pressure in operating range more is close, and sensitivity is higher, has significantly improved the service behaviour of Automatic steam trap Trap.
Guide's spool of the utility model adopts the back seal mode of semicircle sphere, and has the safety check function; The semicircle sphere sealing means when work, reduces and concentrates wearing and tearing, long service life.
The piston lower end of the utility model is provided with spring, guarantees that the spool closing motion is accurate, during the spring assembling, is provided with pretightening force, has improved the seal pressure on the main valve sealing surface, good seal performance; And can come the equalizing piston cavity pressure through 3 piston relief holes that are uniformly distributed with, and slow down closing motion and avoid bump, prolong main valve working life.
The utility model seal spool spare adopts upper end piston and piston body, middle part main valve stem and hole, piston body bottom, and 3 guiding of lower end spool external diameter and spool guide ring, the spool contraposition is accurate, has improved the reliability of switching motion, good seal performance.
The Rational structure of the utility model has significantly improved the usability that the bimetal temperature is transferred pilot-operated type steam trap valve, adopts rhombus or star bimetallic strip, is active in one's movements, and operating range is wide, need not frequent adjustment.Because rhombus or star double-metal sheet type are controlled out valve or are closed valve events by variation of temperature, reach the Temperature at discharging condensate with certain Subcoold temperature so can adjust according to working condition requirement, accumulate the water of condensation that is lower than saturation temperature before the valve all the time; Fresh steam can't reach valve pocket; So during work, vapour is not leaked in a draining; Can effectively utilize a part of sensible heat of water of condensation, improve energy utilization rate.Adopt the back seal mode of semicircle sphere not have the wearing and tearing of concentrating, good seal performance; And be provided with initial tension of spring and improve seal pressure, strengthened sealability; Adopt the piston pressure release to come the equalizing piston cavity pressure, slow down closing motion, increase the service life; The contraposition of 3 guiding of spool is accurate, has improved the reliability and the sealing of sealing action.This valve body is long-pending little, in light weight, and discharge capacity is big, and is applied widely, and performance is good, and energy utilization rate is high, long service life.It is a kind of super large discharge energy-saving steam drain valve of regulating Temperature at discharging condensate that is applicable to.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation.
Fig. 2 is the structural representation of the utility model embodiment's bimetallic strip pilot valve.
Fig. 3 is the rhombus bimetallic strip structural representation of the utility model embodiment's bimetallic strip pilot valve.
Fig. 4 is the star bimetallic strip structural representation of the utility model embodiment's bimetallic strip pilot valve.
Embodiment
Referring to Fig. 1～4, the utility model embodiment is provided with bimetallic strip pilot valve, bonnet 2, little valve gap 3, bonnet 4, valve body 5, piston assembly, main valve, following filter screen 10, blowdown plug 11 and bottom flange 12.
Said bimetallic strip pilot valve is located at valve body 5 tops; Piston assembly and main valve are located at valve body 5 middle parts, and following filter screen 10 is located at valve body 5 bottoms, and bottom flange 12 is placed on valve body 5 bottoms; Valve body about 5 is provided with straight-through external flange; Bonnet 2 is placed on valve body 5 tops, and little valve gap 3 is placed on bonnet 2, and bonnet 4 is anchored on little valve gap 3 tops.
Said bimetallic strip pilot valve is provided with bimetallic strip 131, guide's valve seat 132, guide's spool 133,134,2 guide rods 135 of adjustment nut, fixed plate 136, adjustment plate 137, regulating lever 138, goes up filter screen 139 and baffle ring 1310; Said piston assembly is provided with piston body 71, piston 72, relief hole 73 and spring 74; Said main valve is provided with main valve seat 91, main valve plug 92 and main valve stem 93.
Said fixed plate 136 is located at guide's valve seat 132 tops; Guide rod 135 is located on the fixed plate 136; Bimetallic strip 131 is overlapping be installed on the fixed plate 136 with guide rod 135 in, guide's valve rod and guide's spool 133 back seal that is connected as a single entity is installed in guide's valve seat 132 holes and penetrates bimetallic strip 131 endoporus; 2 guide rod 135 tops penetrate in adjustment plate 137 holes; Regulating lever 138 penetrates in adjustment plate 137 holes and little valve gap 3 tops, and regulating lever 138 lower end boss connect adjustment plates 137; Last filter screen 139 is located at guide's valve seat 132 tapped hole end faces, and last filter screen 139 usefulness baffle rings 1310 compress with guide's valve seat 132 end faces location; Guide's valve seat 132 is connected with bonnet 2.
Said piston body 71 vertically is installed on valve body 5 middle parts, and piston body 71 is connected with bonnet 2; Spring 74 is placed in piston 72 chambeies and piston 72 lower end boss; Piston 72 is installed in the piston body 71, and piston 72 matches with piston body 71 endoporus and merges and can slide to axial; Main valve stem 93 is inserted in spring 74 endoporus of piston body 71, and main valve stem 93 is connected piston 72 upper ends.
Said main valve seat 91 bottoms are provided with guide ring 8, and guide ring 8 is connected as a single entity with main valve seat 91, and main valve seat 91 is installed on the valve body 5, and main valve plug 92 is connected as a single entity with main valve stem 93 and is installed in the valve body 5, and main valve stem 93 is inserted in spring 74 endoporus of piston assembly.
Said down filter screen 10 is located in valve body 5 lower chamber, and following filter screen 10 is installed in outside main valve seat 91 holes on the lower convex platform and bottom flange 12, and blowdown plug 11 is installed in valve body 5 pollutant exhaust holes.
Said bonnet 2 is connected with bolton with valve body 5 tops, and seals with sealing gasket; Bottom flange 12 is connected with bolton with valve body 5 bottoms, and seals with sealing gasket; Little valve gap 3 bottoms are connected with bonnet 2 usefulness bolton, and seal with sealing gasket.
Said bimetallic strip pilot valve can adopt rhombus bimetallic strip pilot valve (referring to Fig. 3, in Fig. 3, mark 1311 is the rhombus bimetallic strip) or star bimetallic strip pilot valve (referring to Fig. 4, in Fig. 4, mark 1312 is the star bimetallic strip) etc.
Said 2 guide rod 135 tops penetrate in adjustment plate 137 holes and with nut is fastening and fix.Available adjustment nut 134 fastening the fixing in said regulating lever 138 upper ends.Said guide's valve seat 132 bonnet 2 that self is threaded, and seal with sealing gasket.
Said guide's spool 133 penetrates guide's valve seat 132 and fixed plate 136, and bimetallic strip 1312 or 1311 backs are fixing with set screw nut 139.
Said piston body 71 is connected with bonnet 2 and fixes with bolton; Main valve stem 93 is connected piston 72 upper ends and fastening fixing with nut 75.
Said main valve seat 91 usefulness self are threaded to be installed on the valve body 5 and with sealing gasket and seal.
Said blowdown plug 11 is installed in the pollutant exhaust hole of valve body 5, and usefulness self nut is fastening, and seals with sealing gasket.
Claims (10)
1. the bimetallic strip temperature is transferred pilot-operated type steam trap valve, it is characterized in that being provided with bimetallic strip pilot valve, bonnet, little valve gap, bonnet, valve body, piston assembly, main valve, following filter screen, blowdown plug and bottom flange;
Said bimetallic strip pilot valve is located at valve body top; Piston assembly and main valve are located at the valve body middle part, and bonnet is placed on valve body top, and bottom flange is placed on valve body lower portion; Straight-through external flange is set about valve body; Little valve gap is placed on bonnet, and bonnet is anchored on little valve gap top, and following filter screen is located at valve body lower portion;
Said bimetallic strip pilot valve is provided with bimetallic strip, guide's valve seat, guide's spool, guide's valve rod, 2 guide rods, fixed plate, adjustment plate, regulating lever, last filter screen and baffle rings; Said piston assembly is provided with piston body, piston, relief hole and spring; Said main valve is provided with main valve seat, main valve plug and main valve stem;
Said bimetallic strip is overlapping be installed on the fixed plate with 2 guide rods in, guide's valve rod and guide's spool are connected as a single entity, and to be installed in guide's valve seat orifice interior and penetrate the bimetallic strip endoporus for back seal; Said fixed plate is located at guide's valve seat top, and 2 guide rods are located on the fixed plate, and 2 guide rod tops penetrate in the adjustment plate hole; Regulating lever penetrates in the adjustment plate hole and little valve gap top, and regulating lever lower end boss connects the adjustment plate; Last filter screen is located at guide's valve seat tapped hole end face, and last filter screen compresses with baffle ring and guide's valve seat end face location; Guide's valve seat is connected with bonnet;
Said piston body vertically is installed on the valve body middle part, and piston body is connected with bonnet; Spring is placed in the piston cavity and piston lower end boss; Piston is installed in the piston body, and piston and piston body endoporus match and merge and can slide to axial; Main valve stem is inserted in the spring endoporus of piston body, and main valve stem is connected the piston upper end;
Said main valve seat bottom is provided with guide ring, and guide ring and main valve seat are connected as a single entity, and main valve seat is installed on the valve body, and main valve plug and main valve stem are connected as a single entity and are installed in the valve body, and main valve stem is inserted in the spring endoporus of piston assembly, and main valve stem is connected the piston upper end;
Said down filter screen is located in the valve body lower portion chamber, and following filter screen is installed in outside the main valve seat hole on the lower convex platform and bottom flange, and the blowdown plug is installed in the valve body pollutant exhaust hole.
2. bimetallic strip temperature as claimed in claim 1 is transferred pilot-operated type steam trap valve, it is characterized in that said bonnet is connected with bolton with valve body top, and seals with sealing gasket.
3. bimetallic strip temperature as claimed in claim 1 is transferred pilot-operated type steam trap valve, it is characterized in that said bottom flange is connected with bolton with valve body lower portion, and seals with sealing gasket.
4. bimetallic strip temperature as claimed in claim 1 is transferred pilot-operated type steam trap valve, it is characterized in that said little bonnet lower is connected with bolton with bonnet, and seals with sealing gasket.
5. bimetallic strip temperature as claimed in claim 1 is transferred pilot-operated type steam trap valve, it is characterized in that said bimetallic strip pilot valve adopts rhombus bimetallic strip pilot valve or star bimetallic strip pilot valve.
6. bimetallic strip temperature as claimed in claim 1 is transferred pilot-operated type steam trap valve, and it is also fastening fixing with nut to it is characterized in that said 2 guide rod tops penetrate in the adjustment plate hole.
7. bimetallic strip temperature as claimed in claim 1 is transferred pilot-operated type steam trap valve, it is characterized in that said regulating lever upper end is fastening fixing with nut.
8. bimetallic strip temperature as claimed in claim 1 is transferred pilot-operated type steam trap valve, it is characterized in that self be threaded bonnet and seal with sealing gasket of said guide's valve seat.
9. bimetallic strip temperature as claimed in claim 1 is transferred pilot-operated type steam trap valve, it is characterized in that said piston body is connected with bonnet and fixes with bolton; Main valve stem is connected piston upper end and fastening fixing with nut; Said main valve seat is installed on the valve body with self being threaded and with the sealing gasket sealing, said main valve stem is connected piston upper end and fastening fixing with nut.
10. bimetallic strip temperature as claimed in claim 1 is transferred pilot-operated type steam trap valve, it is characterized in that said blowdown plug is installed in the valve body pollutant exhaust hole, and is fastening and seal with sealing gasket with self nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202771316U CN202228911U (en) | 2011-08-01 | 2011-08-01 | Temperature-adjusting pilot-operated steam trap with bimetallic strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202771316U CN202228911U (en) | 2011-08-01 | 2011-08-01 | Temperature-adjusting pilot-operated steam trap with bimetallic strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202228911U true CN202228911U (en) | 2012-05-23 |
Family
ID=46079497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202771316U Expired - Lifetime CN202228911U (en) | 2011-08-01 | 2011-08-01 | Temperature-adjusting pilot-operated steam trap with bimetallic strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202228911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299435A (en) * | 2015-11-30 | 2016-02-03 | 上海奉洪阀门有限公司 | Temperature-control pilot piston-type steam trap valve |
-
2011
- 2011-08-01 CN CN2011202771316U patent/CN202228911U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299435A (en) * | 2015-11-30 | 2016-02-03 | 上海奉洪阀门有限公司 | Temperature-control pilot piston-type steam trap valve |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202228911U (en) | Temperature-adjusting pilot-operated steam trap with bimetallic strip | |
| CN107061981B (en) | Pilot-operated steam trap | |
| CN202171121U (en) | Capsule pilot-operated type steam drain valve | |
| CN202252806U (en) | Floating ball guiding type steam trap | |
| CN110159910A (en) | A kind of steam trap that marmem drives and hydrophobic control method | |
| CN101520126B (en) | Adjustable pilot-operated type steam trap valve | |
| CN110230704B (en) | Damping butterfly valve | |
| CN101509594A (en) | High flow rate circular plate dual metal type steam bleeder | |
| CN102287611B (en) | Floater-guided steam trap | |
| CN201246597Y (en) | Adjustable precursor type steam drain valve | |
| CN200999870Y (en) | Temperature control auto-switch valve | |
| CN101509595A (en) | Circular plate dual-metal temperature-adjusting stema-trap for overheat stean pipeline | |
| CN103032670B (en) | Back-sealing external adjusting type bimetal steam trap valve | |
| CN212155869U (en) | Thermal power plant uses thermal control valve | |
| CN209991442U (en) | Water loss protection structure of circulating fluidized bed boiler | |
| CN203099302U (en) | Piston type energy-saving drain valve | |
| CN201028269Y (en) | Steam trap | |
| CN201187681Y (en) | Accurate seal corrugated tube type steam drain valve | |
| CN208919448U (en) | A kind of 350MW steam turbine Direct Action Type high voltage adjusting valve actuating mechanism | |
| CN105276368B (en) | A kind of quick release steam trap | |
| CN214890446U (en) | Steam trap | |
| CN206741326U (en) | A kind of standpipe that water level control is carried out using thermocouple | |
| CN201032047Y (en) | Pressure adjustable steam trap | |
| CN112303473B (en) | Internal leakage control device for drain valve of thermal power plant | |
| CN201251008Y (en) | Bellows automatic air-exhaust lever float type steam strap |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: YINGQIAO MACHINERY MANUFACTURING CO., LTD. Assignor: Hong Xinwei Contract record no.: 2014350000078 Denomination of utility model: Temperature-adjusting pilot-operated steam trap with bimetallic strip Granted publication date: 20120523 License type: Exclusive License Record date: 20140708 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |
|
| CX01 | Expiry of patent term |