GB769151A - Improvements in or relating to blow-down valves for boilers - Google Patents
Improvements in or relating to blow-down valves for boilersInfo
- Publication number
- GB769151A GB769151A GB1346255A GB1346255A GB769151A GB 769151 A GB769151 A GB 769151A GB 1346255 A GB1346255 A GB 1346255A GB 1346255 A GB1346255 A GB 1346255A GB 769151 A GB769151 A GB 769151A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- plunger
- spring
- ports
- water
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/54—De-sludging or blow-down devices
- F22B37/545—Valves specially adapted therefor
Abstract
769,151. Valves. SMITH, W. May 10, 1955, No. 13462/55. Class 135. [Also in Group XIII] An automatic and intermittently-operating boiler blow-down valve comprises a plunger 15 controlling a sludge port 20, a cleaning pin 29 on the plunger co-operating with an orifice plate 24, a rubber diaphragm 13 connected to the plunger and urged downwardly by a spring 30 and a spring-loaded pressure release valve 34 cooperable with a boss 39 to control ports 37 leading to a discharge pipe 38. Water from the discharge side of the boiler feed pump supplied directly to the underside of the diaphragm and indirectly through a restricted orifice 33 to its upper side initially raises the diaphragm to open the sludge port 20 and close the ports 37. Water pressure then builds up above the diaphragm and together with the spring 30 eventually overcomes the pressure beneath the diaphragm to lower the diaphragm to close the sludge port 20 and open the ports 37 to allow the water above the diaphragm to escape to sump and the next cycle of operations to commence. The plate 24 may be interchanged with similar plates having orifices of various sizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1346255A GB769151A (en) | 1955-05-10 | 1955-05-10 | Improvements in or relating to blow-down valves for boilers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1346255A GB769151A (en) | 1955-05-10 | 1955-05-10 | Improvements in or relating to blow-down valves for boilers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB769151A true GB769151A (en) | 1957-02-27 |
Family
ID=10023414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1346255A Expired GB769151A (en) | 1955-05-10 | 1955-05-10 | Improvements in or relating to blow-down valves for boilers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB769151A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486261A (en) * | 2019-01-28 | 2020-08-04 | 马克阀门公司 | Proportional flow control valve poppet with flow control needle |
-
1955
- 1955-05-10 GB GB1346255A patent/GB769151A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486261A (en) * | 2019-01-28 | 2020-08-04 | 马克阀门公司 | Proportional flow control valve poppet with flow control needle |
| CN111486261B (en) * | 2019-01-28 | 2022-04-19 | 马克阀门公司 | Proportional flow control valve poppet with flow control needle |
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