CN204664421U - Steam converter valve - Google Patents
Steam converter valve Download PDFInfo
- Publication number
- CN204664421U CN204664421U CN201520175801.1U CN201520175801U CN204664421U CN 204664421 U CN204664421 U CN 204664421U CN 201520175801 U CN201520175801 U CN 201520175801U CN 204664421 U CN204664421 U CN 204664421U
- Authority
- CN
- China
- Prior art keywords
- valve
- actuator
- cone governor
- steam
- main shaft
- 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 - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 14
- 238000000338 in vitro Methods 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000889 atomisation Methods 0.000 abstract description 2
- 230000006837 decompression Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000008646 thermal stress Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Valve Housings (AREA)
Abstract
The utility model discloses a kind of steam converter valve, it comprises valve body, valve pocket is established in valve body, dividing plate is established in valve pocket, connecting valve seat on dividing plate, valve pocket is divided into working steam room and injecting chamber by dividing plate, valve seat establishes throttle orifice, throttle orifice is communicated with working steam room and injecting chamber, cone governor is established in described working steam indoor, one end of cone governor and throttle orifice are just right, the other end of cone governor connects main shaft, main shaft stretches out valve Ligation in vitro actuator, mutually through runner is provided with in the axle of cone governor and main shaft, the radial direction of main shaft is also provided with water inlet, the runner of water inlet UNICOM main shaft, cone governor has spout, the runner UNICOM of spout and cone governor, valve body outside injecting chamber connects hydrophobic valve gap and Venturi tube respectively, drain valve covers and has weep hole, the link position of hydrophobic valve gap and valve body is lower than the link position of Venturi tube and valve body.Its steam atomization is effective, temperature lowering effect good, and compact structure, be easy to processing.
Description
Technical field
The utility model relates to a kind of valve, particularly relates to a kind of valve reducing the pressure and temperature of the steam that power station or the place such as industrial boiler and thermoelectricity plant send here.
Background technique
It is telescopic that the steam converter valve that present power station or industrial boiler and thermoelectricity plant use mostly is as shown in Figure 1.The advantage such as telescopic steam converter valve has that atomizing effect is good, multistage adjustable decompression in valve, anti-unbalance power are good.But this kind of valve has many through holes on throttle sleeve 19, by regulating the height of flap in valve pocket, change the quantity that flap stops through hole, when stop number of openings less time by the vapor pressure of valve lower more, and stop number of openings more time by the vapor pressure of valve lower less, but the valve of this structure is owing to needing to output a large amount of through holes on throttle sleeve 19, processed complex, cost is higher, and during in use for some time due to superheated vapor inflow throttle sleeve 19 inner chamber, desuperheat water droplet hits throttle sleeve 19 inner chamber simultaneously, after throttle sleeve 19 internal surface of the condition of high temperature and water drop contact, because water droplet temperature is lower relative to the temperature of superheated vapor, in addition water droplet heat release coefficient is larger, throttle sleeve 19 contact internal walls water droplet place quick refrigeration is caused to shrink, produce tensile stress, when after water-drop evaporation, the temperature of contacting point reverts to again the original temperature run.Identical process is there is when cooling water droplet and again clashing into, and so forth, throttle sleeve 19 surface of internal cavity produces alternating thermal stress, under alternating thermal stress effect, throttle sleeve 19 material creates fatigue crack, and develops until throttle sleeve 19 through crack makes valve normally not use gradually.
Model utility content
The purpose of this utility model is to provide a kind of steam converter valve, to overcome currently available technology above shortcomings, simplifies the structure of valve decompressor.
The utility model is realized by following structure, it comprises: valve body, valve pocket is established in valve body, dividing plate is established in valve pocket, connecting valve seat on dividing plate, valve pocket is divided into working steam room and injecting chamber by dividing plate, valve seat establishes throttle orifice, throttle orifice is communicated with working steam room and injecting chamber, cone governor is established in described working steam indoor, one end of cone governor and throttle orifice are just right, the other end of cone governor connects main shaft, main shaft stretches out valve Ligation in vitro actuator, mutually through runner is provided with in the axle of cone governor and main shaft, the radial direction of main shaft is also provided with water inlet, the runner of water inlet UNICOM main shaft, cone governor has spout, the runner UNICOM of spout and cone governor, valve body outside injecting chamber connects hydrophobic valve gap and Venturi tube respectively, drain valve covers and has weep hole, the link position of hydrophobic valve gap and valve body is lower than the link position of Venturi tube and valve body.
Adapter sleeve in described Venturi tube.
There is gap between described Venturi tube and sleeve pipe, be connected by fulcrum between Venturi tube with sleeve pipe.
Described valve seat and dividing plate are bolted.
The axis of described Venturi tube and the axis of cone governor are point-blank.
Described actuator is electric actuator, manual actuator, hydraulic actuator, electric hydraulic actuator or pneumatic actuator.
The utility model is sprayed water to the steam of High Temperature High Pressure in valve pocket by the cone governor of hollow, and reduce the temperature and pressure of steam, the steam atomization of its pressure and temperature reducing is effective, temperature lowering effect good, and compact structure, be easy to processing; Also have Venturi tube and valve body to be bolted, easy to maintenance when Venturi tube breaks down, secondly adapter sleeve in Venturi tube, prevents Venturi tube to damage under the effect of alternating thermal stress.
Accompanying drawing explanation
With reference to the accompanying drawings invention is described in further detail below.
Fig. 1 is the structural representation of the telescopic steam converter valve of prior art.
Fig. 2 is the structural representation of steam converter valve described in the utility model mode of execution 1.
Embodiment
The steam converter valve of the utility model mode of execution 1 comprises as shown in Figure 2: valve body 5, valve pocket is established in valve body 5, dividing plate 14 is established in valve pocket, valve seat 10 is bolted on dividing plate 14, valve pocket is divided into working steam room 12 and injecting chamber 11 by dividing plate 14 and valve seat 10, what working steam room was communicated with is high temperature and high pressure steam import, injecting chamber UNICOM be steam (vapor) outlet, valve seat 10 is established throttle orifice 13, throttle orifice 13 is communicated with working steam room 12 and injecting chamber 11, cone governor 6 is established in described working steam room 12, one end and the throttle orifice 13 of cone governor 6 are just right, by the flexible size changing throttle orifice 13 of cone governor 6, thus reach pressure regulation object.The other end of cone governor 6 connects main shaft 3, and main shaft 3 stretches out valve body 5 outer connection actuator 1, and actuator is connected on valve gap 4 by support 2, and valve gap 4 is connected as a whole with valve body 5.Be provided with mutually through runner 15 in the axle of cone governor 6 and main shaft 3, the radial direction of main shaft 3 is also provided with water inlet 16, the runner of water inlet 16 UNICOM main shaft, water inlet 16 is outer connects aqueduct 17, and cone governor 6 has spout, runner 15 UNICOM of spout and cone governor 6.Valve body outside injecting chamber 11 connects respectively hydrophobic valve gap 7 and Venturi tube 9, hydrophobic valve gap 7 has weep hole 18, the link position of hydrophobic valve gap 7 and valve body 5 is lower than the link position of Venturi tube 9 with valve body 5.Adapter sleeve 8 in described Venturi tube 9, sleeve pipe 8 is coaxial with Venturi tube 9, sleeve pipe 8 and Venturi tube 9 spot welding are fixed, and in Venturi tube 9, be provided with the fulcrum of protrusion, the outer wall of sleeve pipe 8 is connected with fulcrum, thus make there is gap between Venturi tube 9 and sleeve pipe 8, be point cantact between Venturi tube 9 and sleeve pipe 8, to prevent the Stress transmit of sleeve pipe 8 to Venturi tube 9.The axis of described Venturi tube 9 and the axis of cone governor 6 are point-blank.Described actuator 1 is electric actuator, also can be replaced manual actuator, hydraulic actuator, electric hydraulic actuator or pneumatic actuator.Described valve seat 10 is bolted with dividing plate 14, is convenient to the repair and replacement of valve seat 10.
The valve of the utility model mode of execution operationally, when high temperature and high pressure steam enters working steam room 12, the size of throttle orifice 13 is changed thus the decompression achieved steam again by regulating and controlling cone 6 and the spacing of throttle orifice 13, water is injected in valve body by the runner in valve shaft 3 and cone governor 6 simultaneously, then water sprays to post-decompression steam from the spout of cone governor 6, realizes the object to steam temperature reducing.Can there is alternating thermal stress in the steam after pressure and temperature reducing, because sleeve pipe is connected with Venturi tube 9 by fulcrum, thus blocked the destruction of this stress to Venturi tube 9 in sleeve pipe 8.And by the water of steam condensation after temperature and pressure reduces, by outside weep hole 18 exits valve body 5 on hydrophobic valve gap 7.
The steam converter valve of the utility model mode of execution 2 comprises: valve body, valve pocket is established in valve body, dividing plate is established in valve pocket, connecting valve seat on dividing plate, valve pocket is divided into working steam room and injecting chamber by dividing plate and valve seat, what working steam room was communicated with is high temperature and high pressure steam import, injecting chamber UNICOM be steam (vapor) outlet, valve seat establishes throttle orifice, throttle orifice is communicated with working steam room and injecting chamber, and cone governor is established in described working steam indoor, and one end of cone governor and throttle orifice are just right, by the flexible size changing throttle orifice of cone governor, thus reach pressure regulation object.The other end of cone governor connects main shaft, and main shaft stretches out valve Ligation in vitro actuator, and actuator is connected on valve gap by support, and valve gap is connected as a whole with valve body.Be provided with mutually through runner in the axle of cone governor and main shaft, the radial direction of main shaft is also provided with water inlet, the runner of water inlet UNICOM main shaft, connect aqueduct outside water inlet, cone governor has spout, the runner UNICOM of spout and cone governor.Valve body outside injecting chamber connects hydrophobic valve gap and Venturi tube respectively, and drain valve covers and has weep hole, and the link position of hydrophobic valve gap and valve body is lower than the link position of Venturi tube and valve body.The axis of described Venturi tube and the axis of cone governor are point-blank.Described actuator is electric actuator, and manual actuator, hydraulic actuator, electric hydraulic actuator or pneumatic actuator also can be used to substitute.Described valve seat and dividing plate are bolted, and are convenient to the repair and replacement of valve seat.The valve of present embodiment operationally, when high temperature and high pressure steam enters working steam room, the size of throttle orifice is changed thus the decompression achieved steam again by regulating and controlling cone and the spacing of throttle orifice, water is injected in valve body by the runner in valve shaft and cone governor simultaneously, then water sprays to post-decompression steam from the spout of cone governor, realizes the object to steam temperature reducing.And by the water of steam condensation after temperature and pressure reduces, outside the weep hole exits valve body covered by drain valve.
The steam converter valve of the utility model mode of execution 3 comprises: valve body, valve pocket is established in valve body, dividing plate is established in valve pocket, connecting valve seat on dividing plate, valve pocket is divided into working steam room and injecting chamber by dividing plate and valve seat, what working steam room was communicated with is high temperature and high pressure steam import, injecting chamber UNICOM be steam (vapor) outlet, valve seat establishes throttle orifice, throttle orifice is communicated with working steam room and injecting chamber, and cone governor is established in described working steam indoor, and one end of cone governor and throttle orifice are just right, by the flexible size changing throttle orifice of cone governor, thus reach pressure regulation object.The other end of cone governor connects main shaft, and main shaft stretches out valve Ligation in vitro actuator, and actuator is connected on valve gap by support, and valve gap is connected as a whole with valve body.Be provided with mutually through runner in the axle of cone governor and main shaft, the radial direction of main shaft is also provided with water inlet, the runner of water inlet UNICOM main shaft, connect aqueduct outside water inlet, cone governor has spout, the runner UNICOM of spout and cone governor.Valve body outside injecting chamber connects hydrophobic valve gap and Venturi tube respectively, and drain valve covers and has weep hole, and the link position of hydrophobic valve gap and valve body is lower than the link position of Venturi tube and valve body.Adapter sleeve in described Venturi tube, sleeve pipe is coaxial with Venturi tube, does not have gap between sleeve pipe and Venturi tube, and the axis of the axis of Venturi tube and cone governor point-blank.Described actuator is electric actuator, and manual actuator, hydraulic actuator, electric hydraulic actuator or pneumatic actuator also can be used to substitute.Described valve seat and dividing plate are bolted, and are convenient to the repair and replacement of valve seat.The valve of present embodiment operationally, when high temperature and high pressure steam enters working steam room, the size of throttle orifice is changed thus the decompression achieved steam again by regulating and controlling cone and the spacing of throttle orifice, water is injected in valve body by the runner in valve shaft and cone governor simultaneously, then water sprays to post-decompression steam from the spout of cone governor, realizes the object to steam temperature reducing.And by the water of steam condensation after temperature and pressure reduces, outside the weep hole exits valve body covered by drain valve.
Claims (10)
1. a steam converter valve, comprise: valve body, valve pocket is established in valve body, dividing plate is established in valve pocket, connecting valve seat on dividing plate, valve pocket is divided into working steam room and injecting chamber by dividing plate, valve seat establishes throttle orifice, throttle orifice is communicated with working steam room and injecting chamber, it is characterized in that: cone governor is established in described working steam indoor, one end of cone governor and throttle orifice are just right, the other end of cone governor connects main shaft, main shaft stretches out valve Ligation in vitro actuator, mutually through runner is provided with in the axle of cone governor and main shaft, the radial direction of main shaft is also provided with water inlet, the runner of water inlet UNICOM main shaft, cone governor has spout, the runner UNICOM of spout and cone governor, valve body outside injecting chamber connects hydrophobic valve gap and Venturi tube respectively, drain valve covers and has weep hole, the link position of hydrophobic valve gap and valve body is lower than the link position of Venturi tube and valve body.
2. steam converter valve according to claim 1, is characterized in that: adapter sleeve in described Venturi tube.
3. steam converter valve according to claim 2, is characterized in that: have gap between described Venturi tube and sleeve pipe, be connected between Venturi tube with sleeve pipe by fulcrum.
4. the steam converter valve according to claim 1,2 or 3, is characterized in that: described valve seat and dividing plate are bolted.
5. the steam converter valve according to claim 1,2 or 3, is characterized in that: the axis of described Venturi tube and the axis of cone governor are point-blank.
6. steam converter valve according to claim 4, is characterized in that: the axis of described Venturi tube and the axis of cone governor are point-blank.
7. the steam converter valve according to claim 1,2 or 3, is characterized in that: described actuator is electric actuator, manual actuator, hydraulic actuator, electric hydraulic actuator or pneumatic actuator.
8. steam converter valve according to claim 4, is characterized in that: described actuator is electric actuator, manual actuator, hydraulic actuator, electric hydraulic actuator or pneumatic actuator.
9. steam converter valve according to claim 5, is characterized in that: described actuator is electric actuator, manual actuator, hydraulic actuator, electric hydraulic actuator or pneumatic actuator.
10. steam converter valve according to claim 6, is characterized in that: described actuator is electric actuator, manual actuator, hydraulic actuator, electric hydraulic actuator or pneumatic actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520175801.1U CN204664421U (en) | 2015-03-27 | 2015-03-27 | Steam converter valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520175801.1U CN204664421U (en) | 2015-03-27 | 2015-03-27 | Steam converter valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204664421U true CN204664421U (en) | 2015-09-23 |
Family
ID=54134804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520175801.1U Expired - Fee Related CN204664421U (en) | 2015-03-27 | 2015-03-27 | Steam converter valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204664421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246930A (en) * | 2016-08-31 | 2016-12-21 | 浙江安耐杰科技股份有限公司 | Steam energy-saving device and method of work thereof |
-
2015
- 2015-03-27 CN CN201520175801.1U patent/CN204664421U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246930A (en) * | 2016-08-31 | 2016-12-21 | 浙江安耐杰科技股份有限公司 | Steam energy-saving device and method of work thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 |