CN108036189B - High pressure steam trap station - Google Patents
High pressure steam trap station Download PDFInfo
- Publication number
- CN108036189B CN108036189B CN201711499605.XA CN201711499605A CN108036189B CN 108036189 B CN108036189 B CN 108036189B CN 201711499605 A CN201711499605 A CN 201711499605A CN 108036189 B CN108036189 B CN 108036189B
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- CN
- China
- Prior art keywords
- valve
- pressure steam
- steam trap
- pressure
- trap
- 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.)
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Links
- 238000012423 maintenance Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 210000004907 gland Anatomy 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 239000008358 core component Substances 0.000 claims 1
- 238000005242 forging Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000969 carrier Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
- F16T1/38—Component parts; Accessories
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
- Lift Valve (AREA)
- Valve Housings (AREA)
Abstract
A high-pressure steam trap station for a high-pressure steam trap pipeline adopts two high-pressure positive and negative double-valve clack special stop valves and a high-pressure steam trap to form a complete high-pressure steam trap station. The drain valve station continuously operates under the severe working condition that high pressure does not stop steam, when overhauling and maintenance are needed, the high-pressure stop valve sealed by the special double valve clacks can be adjusted to be closed by the lower valve seat, the channel leading to the high-pressure steam drain valve is cut off, meanwhile, the upper valve seat and the bypass pipe connecting channel are opened, the bypass pipe temporarily replaces the high-pressure steam drain valve to drain, and at the moment, the high-pressure steam drain valve can be overhauled and valve core accessories can be replaced on line. The high-pressure steam trap station has the advantages of compact structure, complete functions, production cost saving and work efficiency improvement.
Description
Technical Field
The invention relates to the field of high-pressure steam in petrochemical industry, nuclear power stations, aircraft carriers and the like, in particular to a high-pressure steam trap for continuous production of important production devices which cannot be stopped.
Background
The steam trap applied to high pressure at present is rare, and under the severe working condition of high pressure continuous operation for a long time, the general trap is difficult to meet the working condition requirement. The high-pressure steam pipeline of some power plants cannot find a proper drain valve, and only an electric stop valve can be used for replacing the drain valve, so that automatic drain cannot be realized. Through market research, the invention can completely solve the problem.
Disclosure of Invention
In order to solve the drainage problem of severe working conditions of long-term continuous operation of high pressure, the invention discloses a high-pressure steam trap station which is operated for a long time and aims to provide a high-pressure steam trap station which can be used for opening a bypass throttle pipe to replace a high-pressure steam trap and closing a high-pressure steam trap channel simultaneously under the working condition that high pressure is not stopped, so that the high-pressure steam trap can be overhauled and accessories can be replaced on line.
The high-pressure stop valve of the forged 12Cr1MOV valve body is a double-valve-clack double-valve-seat bidirectional sealing surface, the lower valve seat is a main valve seat control channel leading to a high-pressure steam trap, the upper valve seat is an auxiliary valve seat control channel leading to a bypass pipe, and the upper valve seat is provided with an orifice channel which can temporarily replace the high-pressure steam trap.
In normal operation, the valve clacks of the two high-pressure stop valves are adjusted to the upper valve seat, the bypass pipe channel is closed, the channel leading to the high-pressure steam trap valve is opened, and the high-pressure steam trap valve operates normally.
When the high-pressure steam trap needs maintenance, the valve clacks of the two high-pressure stop valves are adjusted to the lower part, the main valve seat is closed, the steam source leading to the high-pressure steam trap is cut off, the upper valve seat is opened at the same time, steam and condensed water pass through the orifice channel of the upper valve seat, the bypass pipe temporarily replaces the high-pressure steam trap to drain, at the moment, the high-pressure steam trap can be overhauled on line and accessories can be replaced, and the high-pressure steam pipeline can also operate normally.
When the overhaul of the high-pressure steam trap is completed, the valve clack of the high-pressure stop valve is adjusted to the upper valve seat, the bypass pipe channel is closed, the channel leading to the high-pressure steam trap is opened, and the high-pressure steam trap continues to work. The high-pressure steam trap station can work under the working condition of severe high pressure for a long time.
The main advantages of the invention are:
1. the forged 12Cr1MOV valve body stop valve is a high-pressure stop valve with a special positive and negative two-way valve clack and a double valve seat, the upper valve seat is provided with an orifice channel, and the connecting bypass pipe can temporarily replace the high-pressure steam drain valve for draining.
2. The forged 12Cr1MOV valve body high-pressure steam drain valve has the function of online disassembly of the valve body, the valve cover, the valve seat and the valve core internals, and is convenient to overhaul and replace online.
3. The high-pressure steam trap station has the advantages of compact structure, complete functions, reliable working performance, production cost saving and work efficiency improvement.
Drawings
The attached drawings are as follows: high pressure steam trap station
Detailed Description
The invention will be further described with reference to the accompanying drawings and examples
As shown in the attached drawing, the invention mainly comprises a stop valve body (1), a stop valve lower valve seat (2), a stop valve core (3), a stop valve upper valve seat (4), graphite filler (5), a stop valve gland nut (7), a stop valve rod nut (8), a stop valve rod nut (9), a stop valve hand wheel (10), a bypass connecting pipe (11), a drain valve protection cap (12), a drain valve cover (13), a drain valve body (14), a drain valve core (15), a valve core sealing gasket (16), a drain valve filter screen (17), a drain valve cover sealing gasket (18), a drain valve plate (19), a drain valve nut (20), a drain valve bolt (21) and a high-pressure steam drain valve (22) orifice channel (23).
The valve core (3) of the high-pressure stop valve (1) is a double-valve-clack double-valve-seat bidirectional sealing surface, the lower valve seat (2) of the stop valve is a main valve seat, a channel leading to the ultrahigh-pressure steam drain valve (14) is controlled, the upper valve seat (4) of the stop valve is provided with an orifice channel (23), the high-pressure steam drain valve can be temporarily replaced, the valve rod (8) of the stop valve is movably matched with the valve core (3) of the stop valve, the support of the valve body (1) of the stop valve is provided with a fixing nut (9), and the hand wheel (10) of the stop valve can adjust the valve rod (8) of the stop valve to control the valve core (3) of the stop valve to move up and down.
In normal operation, the valve cores (3) of the two high-pressure stop valves (1) are adjusted to the upper valve seat (4) of the stop valve, the bypass pipe channel (11) is closed, the channel leading to the high-pressure steam drain valve (22) is opened, and the high-pressure steam drain valve (22) operates normally. When the high-pressure steam trap (22) needs to be maintained and overhauled, the valve cores (3) of the two high-pressure stop valves are adjusted to the lower valve seat (2) of the stop valve, the steam source leading to the high-pressure steam trap (22) is cut off, meanwhile, the upper valve seat (4) of the stop valve is opened, steam and condensed water pass through an orifice channel (23) of the upper valve seat (4) of the stop valve, the bypass pipe temporarily replaces the high-pressure steam trap (22) to drain, at the moment, the high-pressure steam trap (22) can be overhauled and accessories can be replaced on line, and a high-pressure steam pipeline can also operate normally. When the overhaul of the high-pressure steam trap (22) is completed, the valve core (3) of the high-pressure stop valve is adjusted to the upper valve seat (4) of the stop valve to close the bypass, and meanwhile, the lower valve seat (2) of the stop valve is opened, so that the high-pressure steam trap (22) continues to work. The high-pressure steam trap station can continuously work under the working condition of severe high pressure for a long time.
Claims (3)
1. The high-pressure steam trap station mainly comprises a high-pressure stop valve body (1), a stop valve lower valve seat (2), a stop valve core (3), a stop valve upper valve seat (4), graphite packing (5), a stop valve packing gland (6), a stop valve gland nut (7), a stop valve rod (8), a stop valve rod nut (9), a stop valve hand wheel (10), a bypass connecting pipe (11), a trap protective cap (12), a trap cover (13), a trap body (14), a trap valve core (15), a valve core sealing gasket (16), a trap filter screen (17), a trap valve cover sealing gasket (18), a trap valve plate (19), a trap nut (20), a trap bolt (21), an ultrahigh-pressure steam trap (22) and an orifice channel (23), and is characterized in that: the high-pressure steam trap station is formed by connecting a high-pressure steam trap with a detachable movable valve core component between two high-pressure stop valves with positive and negative double valve clacks, double valve seats and a double-way sealing surface, and connecting an orifice and a bypass pipe at the same time, wherein the high-pressure stop valve of the forged 12Cr1MOV valve body is the positive and negative double valve clacks, the double valve seats and the double-way sealing surface stop valve, and the lower valve seat is a main valve seat for controlling a channel leading to the high-pressure steam trap; the upper valve seat is an auxiliary valve seat and is controlled to be communicated with a bypass pipe channel; the upper valve seat is provided with an orifice channel which can temporarily replace the high-pressure steam trap to work,
in normal operation, the valve clacks of the two high-pressure stop valves are adjusted to the upper valve seat, the orifice bypass pipe channel is closed, the channel leading to the high-pressure steam trap is opened, the high-pressure steam trap operates normally,
when the high-pressure steam trap needs maintenance, the valve clacks of the two high-pressure stop valves are regulated to the lower part, the main valve seat is closed, the steam source leading to the high-pressure steam trap is cut off, meanwhile, the orifice passage of the upper valve seat is opened, steam and condensed water pass through the orifice passage of the upper valve seat, the bypass pipe temporarily replaces the high-pressure steam trap to drain, at the moment, the high-pressure steam trap can be overhauled and accessories can be replaced on line, the high-pressure steam pipeline can also operate as usual,
when the overhaul of the high-pressure steam trap is completed, the valve clack of the high-pressure stop valve is adjusted to the upper valve seat, the bypass pipe channel is closed, the channel leading to the high-pressure steam trap is opened, and the high-pressure steam trap continues to work.
2. The high pressure steam trap station of claim 1, wherein: a high-pressure steam trap for forging a 12Cr1MOV valve body is welded between the two high-pressure stop valves with two bidirectional seals, and the valve body, the valve cover, the valve seat and the valve core internals can be detached on line, so that the high-pressure steam trap with accessories can be overhauled and replaced on line at any time.
3. The high pressure steam trap station of claim 1, wherein: the two high-pressure stop valves with two bidirectional seals are positive and negative double valve clacks and double valve seats, the upper valve seat is provided with an orifice channel, and a bypass pipe is welded to temporarily replace the high-pressure steam trap to drain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711499605.XA CN108036189B (en) | 2017-12-21 | 2017-12-21 | High pressure steam trap station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711499605.XA CN108036189B (en) | 2017-12-21 | 2017-12-21 | High pressure steam trap station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108036189A CN108036189A (en) | 2018-05-15 |
| CN108036189B true CN108036189B (en) | 2023-12-01 |
Family
ID=62098172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711499605.XA Active CN108036189B (en) | 2017-12-21 | 2017-12-21 | High pressure steam trap station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108036189B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE661184A (en) * | 1964-03-17 | 1965-07-16 | ||
| GB1196057A (en) * | 1967-06-14 | 1970-06-24 | Watts Regulator Co | Device for Draining Liquid from Wet Gas or Vapour. |
| BE762843A (en) * | 1970-02-14 | 1971-07-16 | Katsuji Fujiwara | IMPROVEMENTS TO AN AUTOMATIC DISCHARGE VALVE FOR A STEAM TRAP |
| CN101196242A (en) * | 2007-12-29 | 2008-06-11 | 株洲南方阀门股份有限公司 | Quick service type dual-sealing checking-valve |
| CN101266019A (en) * | 2007-12-29 | 2008-09-17 | 甘肃红峰机械有限责任公司 | Lever piston bucket type high pressure steam drainage valve |
| CN101514779A (en) * | 2008-12-27 | 2009-08-26 | 甘肃红峰机械有限责任公司 | Piston bucket type low-pressure vapor drain valve |
| CN202012728U (en) * | 2011-04-18 | 2011-10-19 | 大连大高阀门有限公司 | Improved thin-casing drainage valve |
| CN202381973U (en) * | 2011-12-02 | 2012-08-15 | 四川耐特阀门有限公司 | High-temperature high-pressure-steam hydrophobic valve |
| CN208253163U (en) * | 2017-12-21 | 2018-12-18 | 银球节能工程有限公司 | High pressure steam drainage valve station |
-
2017
- 2017-12-21 CN CN201711499605.XA patent/CN108036189B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE661184A (en) * | 1964-03-17 | 1965-07-16 | ||
| GB1196057A (en) * | 1967-06-14 | 1970-06-24 | Watts Regulator Co | Device for Draining Liquid from Wet Gas or Vapour. |
| BE762843A (en) * | 1970-02-14 | 1971-07-16 | Katsuji Fujiwara | IMPROVEMENTS TO AN AUTOMATIC DISCHARGE VALVE FOR A STEAM TRAP |
| CN101196242A (en) * | 2007-12-29 | 2008-06-11 | 株洲南方阀门股份有限公司 | Quick service type dual-sealing checking-valve |
| CN101266019A (en) * | 2007-12-29 | 2008-09-17 | 甘肃红峰机械有限责任公司 | Lever piston bucket type high pressure steam drainage valve |
| CN101514779A (en) * | 2008-12-27 | 2009-08-26 | 甘肃红峰机械有限责任公司 | Piston bucket type low-pressure vapor drain valve |
| CN202012728U (en) * | 2011-04-18 | 2011-10-19 | 大连大高阀门有限公司 | Improved thin-casing drainage valve |
| CN202381973U (en) * | 2011-12-02 | 2012-08-15 | 四川耐特阀门有限公司 | High-temperature high-pressure-steam hydrophobic valve |
| CN208253163U (en) * | 2017-12-21 | 2018-12-18 | 银球节能工程有限公司 | High pressure steam drainage valve station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108036189A (en) | 2018-05-15 |
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