CN107313817A - A kind of turbine shaft seal drainage system of heater - Google Patents
A kind of turbine shaft seal drainage system of heater Download PDFInfo
- Publication number
- CN107313817A CN107313817A CN201710548229.2A CN201710548229A CN107313817A CN 107313817 A CN107313817 A CN 107313817A CN 201710548229 A CN201710548229 A CN 201710548229A CN 107313817 A CN107313817 A CN 107313817A
- Authority
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- China
- Prior art keywords
- heater
- steam trap
- shaft seal
- turbine shaft
- condenser
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 210000004907 gland Anatomy 0.000 claims abstract description 55
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 38
- 238000001514 detection method Methods 0.000 claims description 12
- 238000007667 floating Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 235000014171 carbonated beverage Nutrition 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/32—Collecting of condensation water; Drainage ; Removing solid particles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The present invention relates to a kind of turbine shaft seal drainage system of heater, including gland heater, lower water box and condenser, the gland heater is connected with the lower water box by the first connecting line, the lower water box is connected with the condenser by the second connecting line, second connecting line is provided with automatic steam trap, and unlatchings of the automatic steam trap can allow for the condensate that the lower water box stores and be emitted into the condenser and prevent passing through for steam.The gland heater is provided with drain port, and the drain port is arranged on the side wall of the gland heater, and the drain port is connected with the water inlet end of first connecting tube.The draining system of the present invention is simple, reliable, output condensate that can be timely automated, is fully solved the problem of steam leaks into condenser, it is ensured that the normal operation of gland heater and condenser equipment and system, and hydrophobic smooth.
Description
Technical field
The present invention relates to the technical field of turbine drain system, more particularly to a kind of turbine shaft seal heater condensate system
System.
Background technology
Gland heater is an important heat-exchange apparatus in steam turbine gland system, function be collect steam turbine each
The valve door rod leakage vapour of the gland leak-off of cylinder shaft end and steam turbine, and heat main condensate using the heat energy of these steam.By
Also contain air in these steam, they are in gland heater during heat release, its steam condensation Cheng Shui, and air needs row
Go out.The energy of Lou vapour had so both been make use of, working medium has been reclaimed, the economy of thermodynamic system of steam tur has been improved, and separate again
Air, it is ensured that the normal work of gland seal system, prevent steam from external gland drain to steam turbine building and oil system in go and dirty
Contaminate environment and destruction oil.
The draining system of traditional gland heater considers gas trap vacuum environment and extremely low operating pressure, often uses
Multilevel water seal U-tube carries out carbonated drink isolation, if but hydrophobic its of multilevel water seal has that water level control is bad to cause condenser true
The problem of sky declines.
The content of the invention
For the above mentioned problem of prior art, it is an object of the present invention to provide a kind of simpler, relatively reliable vapour
Turbine axle envelope drainage system of heater, the output condensate that the draining system can be timely automated, is fully solved steam and leaks into
The problem of condenser, it is ensured that the normal operation of gland heater and condenser equipment and system, and it is hydrophobic smooth.
In order to solve the above-mentioned technical problem, concrete technical scheme of the invention is as follows：
A kind of turbine shaft seal drainage system of heater, including gland heater, lower water box and condenser, the axle envelope
Heater is connected with the lower water box by the first connecting line, and the lower water box is connected with the condenser by second
Pipeline connection, second connecting line is provided with automatic steam trap, and the unlatching of the automatic steam trap can allow for described low
The condensate of position water tank storage is emitted into the condenser and prevents passing through for steam,
The gland heater is provided with drain port, and the drain port is arranged on the side wall of the gland heater, and
The drain port is connected with the water inlet end of first connecting tube.
Further, the automatic steam trap is mechanical type steam trap, and the minimum working pressure of the mechanical type steam trap
Power is not more than 0.01MPa.
It is preferred that, the automatic steam trap is free floating ball type steam trap.
Further, the lower water box is provided with liquid level detection device, and the liquid level detection device is used to detect and show
Show the height of water level in the lower water box.
It is preferred that, the liquid level detection device is magnetic double level gauge.
It is preferred that, the liquid level detection device is liquid level sensor, and the liquid level sensor connects with the automatic steam trap
Connect, the opening and closing for controlling the automatic steam trap.
Further, the draining system also includes the first bypass, and first bypass is in parallel with the automatic steam trap
Set.
Further, first bypass is provided with the 3rd valve.
Further, the first valve and the second valve are additionally provided with second connecting line, first valve is close
The inlet port of the automatic steam trap is set, and second valve is set close to the outlet of the automatic steam trap.
Further, the lower water box is non-pressure vessel.
A kind of turbine shaft seal drainage system of heater of the present invention, has the advantages that：
1) compared with using multilevel water seal " U-tube " hydrophobic mode in the prior art, the present invention is in lower water box and coagulates
The connecting line of vapour device is provided with automatic steam trap, is acted on by the block steam and drain water of automatic steam trap and causes coagulating in lower water box
Condenser can smoothly be drained into by bearing water, and can avoid the problem of steam leaks into condenser completely, it is ensured that axle envelope is heated
The normal operation of device and condenser equipment and system so that whole draining system is relatively reliable.
2) drain port relative to the gland heater of prior art is arranged on bottom, and the present invention is dredged gland heater
The mouth of a river is arranged in the corresponding height of its side wall, thereby may be ensured that gland heater in certain water level safe operation, it is ensured that
Draining system is relatively reliable.
3) present invention is optimized to the gland heater draining system of prior art, using high-quality free floating ball steam trap
Multilevel water seal is replaced, small investment, system carbonated drink isolation performance more preferably, improves axle plus heat exchange efficiency, and reduce prior art
U-tube taken up space, its reliability and stability is greatly improved, and sealing is tight, easy to maintenance, eliminates the safety that unit is present
Hidden danger, achieves significant results.
4) metal that residual ponding is caused in U-shaped water sealing (sealing water) pipe after being shut down present invention, avoiding draining system of the prior art
Corrosion, thereby may be ensured that the quality of condensate when being again started up.
Brief description of the drawings
, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical scheme
The accompanying drawing used is briefly described.It should be evident that drawings in the following description are only some embodiments of the present invention, it is right
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
Its accompanying drawing.
Fig. 1 is the structural representation of turbine shaft seal drainage system of heater of the prior art；
Fig. 2 is the structural representation for the turbine shaft seal drainage system of heater that one embodiment of the invention is provided；
In figure：101st, 201- gland heaters, 102- multilevel water seal U-tubes, 103,203- condensers, 202- low level water
Case, the connecting lines of 204- first, the connecting lines of 205- second, 206- automatic steam traps, 207- liquid level detection devices, 208- first
Bypass, the valves of 209- first, the valves of 210- second, the valves of 211- the 3rd, 201a- hot wells, 203a- hot wells.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Lid is non-exclusive to be included, for example, the process, method, device, product or the equipment that contain series of steps or unit are not necessarily limited to
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
Specific embodiment
The turbine shaft seal drainage system of heater of prior art is frequently with multilevel water seal U-tube, as shown in figure 1, in axle
Envelope heater 101 on the connecting line of condenser 103 with being provided with multilevel water seal U-tube 102, and the multilevel water seal U-tube 102 is
It is operated by law of connected vessels, to maintain the hydrophobic water level of gland heater, protects vacuum, once multilevel water seal is U-shaped
After water in pipe is filled, its water level remains unchanged substantially, and multilevel water seal is substantially the resistance for increasing hydrophobic backwater.
During normal work, gland heater 101 in theory it is hydrophobic after multilevel water seal U-tube 102 again by certain
Height backwater is to the vapour side of condenser 103, and flow resistance is just equal to the vacuum of condenser 103 plus the discrepancy in elevation.But in fact
In real work, operating mode often changes, and the vacuum of condenser 103 is nor unalterable, so U-shaped using multilevel water seal
Pipe is typically easy to following two situations occur：One is that the hydrophobic backwater of gland heater is caused when flow resistance is too big not
It is unimpeded；Two be when backwater resistance is small, it is easy to causes Lou vacuum.Because multilevel water seal U-tube 102 is not only to allow water to lead to
Cross without allow steam pass through, therefore when condenser 103 vacuum become it is too high when, can by multilevel water seal U-tube 102 return
In water whole inspiration condenser 103 so that multilevel water seal U-tube 102 loses the effect of water seal, so as to cause steam and air to enter
Enter condenser 103, ultimately result in vacuum decay, influence the work of whole steam-turbine unit.
The present embodiment for above-mentioned problem to turbine shaft seal drainage system of heater carried out improve there is provided
A kind of simpler, relatively reliable turbine shaft seal drainage system of heater, the output that the draining system can be timely automated
Condensate, is fully solved the problem of steam leaks into condenser, it is ensured that gland heater and condenser equipment and system are just
Often operation, and hydrophobic smooth.Specifically, referring to Fig. 2.
It is the structural representation for the turbine shaft seal drainage system of heater that one embodiment of the invention is provided shown in Fig. 2, should
Draining system includes gland heater 201, lower water box 202 and condenser 203, the gland heater 201 and the low level
Water tank 202 is connected by the first connecting line 204, and the lower water box 202 passes through the second connecting line with the condenser 203
205 connections, second connecting line 205 is provided with automatic steam trap 206, and the unlatching of the automatic steam trap 206 can be permitted
Perhaps the condensate that described lower water box 202 is stored is emitted into the condenser 203 and prevents passing through for steam.
In one embodiment, gland heater 201, lower water box 202 and condenser 203 are each attached to steam turbine
Below placement-face, and gland heater 201 is set close to the placement-face of steam turbine, and condenser 203 is arranged on gland heater
Below 201 placement-face, lower water box 202 is arranged on below the placement-face of condenser 203, and above-mentioned arrangement can be effectively real
The backwater of existing condensate.It is preferred that, lower water box 202 is non-pressure vessel, and gland heater 201 passes through the first connecting line 204
Connected with lower water box 202, so as to smoothly reclaim the hydrophobic of gland heater 201, and can effectively prevent lower water box
The indirect steam of liquid and generation in 202 is back in gland heater 201.It should be understood that specific steam turbine cloth
Put the difference in height between face and gland heater 201, gland heater 201 and condenser 203, condenser 203 and lower water box 202
Need to be set according to actual technique.In the present embodiment, gas trap 203 is provided with hot well 203a, and the second connecting line 205 is from condensing
The bottom access of device 203, and stretch into the inside certain length of gas trap 203.
Compared with using multilevel water seal " U-tube " hydrophobic mode in the prior art, in lower water box 202 and condenser
Automatic steam trap 206 is set on 203 connecting line, is acted on by the block steam and drain water of automatic steam trap 206 and causes lower water box
Condensate in 202 can smoothly drain into condenser 203, and can avoid the problem of steam leaks into condenser completely, really
The normal operation of gland heater and condenser equipment and system is protected so that whole draining system is relatively reliable.
The gland heater 201 is arranged on the gland heater provided with drain port 201a, the drain port 201a
On 201 side wall, and the drain port 201a is connected with the water inlet end of first connecting line 204.As shown in Fig. 2 in axle
The side wall for sealing heater 201 is provided with a drain port 201a, and the condensation in gland heater 201 is discharged by drain port 201a
Drain port 201a is connected by water, the present embodiment by the first connecting line 204 with the water inlet of lower water box 202 so that axle envelope
Condensate in heater 201 can be recycled in lower water box 202 in time.Relative to prior art gland heater dredge
The mouth of a river is arranged on bottom, and the drain port 201a of the present embodiment is located at the side wall of gland heater 201 and apart from gland heater 201
There is certain distance bottom surface, and thereby may be ensured that has the water level of certain altitude in gland heater 201, it is ensured that gland heater
201 safe operation.Certainly, specific height of the drain port 201a apart from the bottom surface of gland heater 201 can be according to actual process
Demand is set, the invention is not limited in this regard.
As a preferred embodiment, the automatic steam trap 206 is mechanical type steam trap, and the mechanical type is dredged
The minimum operating pressures that of hydrophone is not more than 0.01MPa.One more excellent embodiment is that the automatic steam trap 206 is that mechanical type is dredged
Free floating ball type steam trap in hydrophone, and the free floating ball type steam trap can reach zero leakage standard as defined in ISO7841,
It is hydrophobic under operting differential pressure scope with wide cut, the pressure differential extremely low available for gland heater 201, to reach that absolute zero is let out
Leakage.The free floating ball type steam trap service life is long, can the reliable and stable work of long period on gland heater drain water piping.
Free floating ball type steam trap is to utilize Archimedes buoyancy principle, makes the lifting of ball float satellite intracavitary liquid level and rises
Drop, makees so as to open or close valve seat osculum formation draining resistance steam-operating.When starting working, unlatching is located at what steam trap was covered
Manual air-release valves, substantial amounts of cold air or incondensable gas close vent valve after being excluded in vitro under steam and condensate are promoted.
At this moment drain valve is closed, and the condensate in continuity inflow free floating ball type steam trap over time gradually increases,
That is when liquid level is increased to buoyancy more than spheroid own wt and valve port area active force in body cavity, spheroid floats opening valve
Mouthful, substantial amounts of condensate is discharged into after valve rapidly.In drainage procedure, liquid level is gradually reduced, due to body intracavity pressure skewness
Even, pressure is minimum at valve port, makes the ball float for swimming in liquid level by unbalanced power, promotes ball float to be floated to valve port, until arriving
Untill closing valve port, now internal bottom fulcrum withstands ball float, prevents ball float from continuing to decline, draining stops.Now liquid level with
Valve port has certain distance, therefore forms water seal, prevents steam escape.It is preferred in the present embodiment, free floating ball type steam trap
With automatic emptier, the fixed gas in condensate can be discharged outside steam trap.
In one embodiment, the lower water box 202 is provided with liquid level detection device 207, the level sensing dress
Putting 207 is used to detect and show the height of water level in the lower water box 202.Specifically, the liquid level detection device 207 can be
Live liquid level gauge such as magnetic double level gauge, when the liquid level lifting in lower water box 202, the magnetic in magnetic double level gauge body tube
Property float also lift therewith, the permanent-magnet steel in float is delivered to magnetic column indicator by magnetic coupling, drives red, white turned column to turn over
Turn 180 °, turned column is changed into red by white when liquid level rises, and turned column is changed into white by red when liquid level declines, indicate
The red white intersection of device is the actual height of the inside liquid level of lower water box 202, so as to realize that liquid level is clearly indicated.Certainly, liquid
Level detecting apparatus 207 can also be other live liquid level gauges, the invention is not limited in this regard.
In another embodiment, the liquid level detection device 207 is liquid level sensor, the liquid level sensor and institute
State automatic steam trap 206 to connect, the opening and closing for controlling the automatic steam trap 206.When liquid level sensor is detected
When liquid level in lower water box 202 reaches default discharge opeing height, it exports level switch signal, and automatic steam trap 206 is received
The level switch signal of liquid level sensor output, and automatic steam trap 206 is opened, the condensate in lower water box 202 is arranged
Put into condenser 203.When the liquid level that liquid level sensor is detected in lower water box 202 reaches default stopping discharge opeing height
When, it exports shutdown signal, and automatic steam trap 206 receives the shutdown signal of liquid level sensor output, and closes automatic steam trap
206, stop the discharge of condensate.
In another embodiment, the draining system also includes the first bypass 208, first bypass 208 and institute
State automatic steam trap 206 to be arranged in parallel, for when automatic steam trap 206 breaks down, connecting lower water box 202 and condenser
203, now, the condensate in lower water box 202 passes through the first 208 backwater of bypass to gas trap 203.Further, described
The first valve 209 and the second valve 210 are additionally provided with two connecting lines 205, first valve 209 is close to the automatic hydrophobic
The inlet port of device 206 is set, and second valve 210 is set close to the outlet of the automatic steam trap 206.Work as automatic hydrophobic
During 206 failure of device, close the first valve 209 for being disposed thereon trip and be arranged on the second valve 210 downstream, now can be with
On-bne repair or replacing are carried out to automatic steam trap 206, the first valve 209 of closing causes the condensate in lower water box 202
Cannot be introduced into automatic steam trap 206, close the second valve 210 and cause air to cannot be introduced into condenser 203, it is ensured that system it is true
Dummy status.It will of course be understood that, the first valve 209 and the second valve 210 can be that manually-operated gate can also be and automatic sparse
The automatic valve of the running status association of hydrophone 206.When the first valve 209 and the second valve 210 are automatic valve, if automatically
Steam trap 206 sends fault-signal, then the first valve 209 and the second valve 210 receive the fault-signal of automatic steam trap 206
And perform closing motion.
In another embodiment, first bypass 208 is provided with the 3rd valve 211, in order to prevent in automatic sparse
The vacuum of condenser 203 is affected in the case of the failure of hydrophone 206, it is preferred that the 3rd valve 211 is automatic valve, the valve
Door is connected with automatic steam trap 206 and liquid level detection device 207 respectively.Under normal circumstances, the 3rd valve 211, which is in, closes shape
State, after the 3rd valve 211 detects the fault-signal of the output of automatic steam trap 206, performs opening action so that lower water box
202 are connected with condenser 203 by the first bypass 208, realize that the condensate in lower water box 202 drains into condenser 203.When
When three valves 211 receive the stopping discharge opeing signal of the output of liquid level detection device 207, closing motion is performed, prevents low because emptying
Position water tank 202 causes steam to enter in condenser 203, influences the vacuum of condenser 203.
The turbine shaft seal drainage system of heater of the present invention has the following advantages that：
Compared with using multilevel water seal " U-tube " hydrophobic mode in the prior art, the present invention is in lower water box and condensing
The connecting line of device is provided with automatic steam trap, and the condensation caused in lower water box is acted on by the block steam and drain water of automatic steam trap
Water can smoothly drain into condenser, and can avoid the problem of steam leaks into condenser completely, it is ensured that gland heater
And the normal operation of condenser equipment and system so that whole draining system is relatively reliable.
Drain port relative to the gland heater of prior art is arranged on bottom, of the invention by the hydrophobic of gland heater
Mouth is arranged in the corresponding height of its side wall, thereby may be ensured that gland heater in certain water level safe operation, it is ensured that dredged
Water system is relatively reliable.
The present invention is optimized to the gland heater draining system of prior art, is replaced using high-quality free floating ball steam trap
Multilevel water seal is changed, small investment, system carbonated drink isolation performance more preferably, improves axle plus heat exchange efficiency, and reduce the U of prior art
Type pipe is taken up space, and its reliability and stability is greatly improved, and sealing is tight, easy to maintenance, and the safety for eliminating unit presence is hidden
Suffer from, achieve significant results.
The metal rust that residual ponding is caused in U-shaped water sealing (sealing water) pipe after being shut down present invention, avoiding draining system of the prior art
Erosion, thereby may be ensured that the quality of condensate when being again started up.
Described above has fully disclosed the embodiment of the present invention.It is pointed out that being familiar with the field
Scope of any change that technical staff is done to the embodiment of the present invention all without departing from claims of the present invention.
Correspondingly, the scope of claim of the invention is also not limited only to previous embodiment.
Claims (10)
1. a kind of turbine shaft seal drainage system of heater, it is characterised in that including gland heater (201), lower water box
(202) and condenser (203), the gland heater (201) passes through the first connecting line with the lower water box (202)
(204) connect, the lower water box (202) connected with the condenser (203) by the second connecting line (205), described the
Two connecting lines (205) are provided with automatic steam trap (206), and the unlatching of the automatic steam trap (206) can allow for described low
The condensate of position water tank (202) storage is emitted into the condenser (203) and prevents passing through for steam,
The gland heater (201) is provided with drain port (201a), and the drain port (201a) is arranged on the axle envelope heating
On the side wall of device (201), and the drain port (201a) is connected with the water inlet end of first connecting line (204).
2. a kind of turbine shaft seal drainage system of heater according to claim 1, it is characterised in that the automatic hydrophobic
Device (206) is mechanical type steam trap, and the minimum operating pressures that of the mechanical type steam trap is not more than 0.01MPa.
3. a kind of turbine shaft seal drainage system of heater according to claim 2, it is characterised in that the automatic hydrophobic
Device (206) is free floating ball type steam trap.
4. a kind of turbine shaft seal drainage system of heater according to claim 1, it is characterised in that the lower water box
(202) liquid level detection device (207) is provided with, the liquid level detection device (207) is used to detect and show the lower water box
(202) height of water level in.
5. a kind of turbine shaft seal drainage system of heater according to claim 4, it is characterised in that the level sensing
Device (207) is magnetic double level gauge.
6. a kind of turbine shaft seal drainage system of heater according to claim 4, it is characterised in that the level sensing
Device (207) is liquid level sensor, and the liquid level sensor be connected with the automatic steam trap (206), for described in controlling oneself
The opening and closing of dynamic steam trap (206).
7. a kind of turbine shaft seal drainage system of heater according to claim 1, it is characterised in that the draining system
Also include the first bypass (208), first bypass (208) is arranged in parallel with the automatic steam trap (206).
8. a kind of turbine shaft seal drainage system of heater according to claim 7, it is characterised in that first bypass
(208) it is provided with the 3rd valve (211).
9. a kind of turbine shaft seal drainage system of heater according to claim 1, it is characterised in that second connection
The first valve (209) and the second valve (210) are additionally provided with pipeline (205), first valve (209) is close to the automatic sparse
The inlet port of hydrophone (206) is set, and second valve (210) is set close to the outlet of the automatic steam trap (206).
10. a kind of turbine shaft seal drainage system of heater according to claim 1, it is characterised in that the low level water
Case (202) is non-pressure vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710548229.2A CN107313817B (en) | 2017-07-06 | 2017-07-06 | Steam turbine shaft seal heater drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710548229.2A CN107313817B (en) | 2017-07-06 | 2017-07-06 | Steam turbine shaft seal heater drainage system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107313817A true CN107313817A (en) | 2017-11-03 |
| CN107313817B CN107313817B (en) | 2023-12-12 |
Family
ID=60177635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710548229.2A Active CN107313817B (en) | 2017-07-06 | 2017-07-06 | Steam turbine shaft seal heater drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107313817B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203809069U (en) * | 2014-05-09 | 2014-09-03 | 国家电网公司 | Drain water recovery unit of shaft seal heater of direct air-cooling unit |
| CN203880386U (en) * | 2014-06-19 | 2014-10-15 | 大唐苏州热电有限责任公司 | Automatic drain tank with middle baffle plate |
| CN204646344U (en) * | 2015-05-21 | 2015-09-16 | 中国神华能源股份有限公司 | The drainage recovering device of turbine shaft seal heater |
| CN204829857U (en) * | 2015-07-24 | 2015-12-02 | 甘肃大唐国际连城发电有限责任公司 | Boiler fan heater drainage system based on condensate trap and condenser |
| CN206874318U (en) * | 2017-07-06 | 2018-01-12 | 江苏华电仪征热电有限公司 | A kind of turbine shaft seal drainage system of heater |
-
2017
- 2017-07-06 CN CN201710548229.2A patent/CN107313817B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203809069U (en) * | 2014-05-09 | 2014-09-03 | 国家电网公司 | Drain water recovery unit of shaft seal heater of direct air-cooling unit |
| CN203880386U (en) * | 2014-06-19 | 2014-10-15 | 大唐苏州热电有限责任公司 | Automatic drain tank with middle baffle plate |
| CN204646344U (en) * | 2015-05-21 | 2015-09-16 | 中国神华能源股份有限公司 | The drainage recovering device of turbine shaft seal heater |
| CN204829857U (en) * | 2015-07-24 | 2015-12-02 | 甘肃大唐国际连城发电有限责任公司 | Boiler fan heater drainage system based on condensate trap and condenser |
| CN206874318U (en) * | 2017-07-06 | 2018-01-12 | 江苏华电仪征热电有限公司 | A kind of turbine shaft seal drainage system of heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107313817B (en) | 2023-12-12 |
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