CN207945993U - A kind of condenser vacuum-pumping pipeline system - Google Patents
A kind of condenser vacuum-pumping pipeline system Download PDFInfo
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- CN207945993U CN207945993U CN201721655273.5U CN201721655273U CN207945993U CN 207945993 U CN207945993 U CN 207945993U CN 201721655273 U CN201721655273 U CN 201721655273U CN 207945993 U CN207945993 U CN 207945993U
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Abstract
A kind of condenser vacuum-pumping pipeline system disclosed by the utility model, including main vacuum pump, the pumping main pipe being connect with main vacuum pump, it is connected to the pumping sub- pipe of pumping main pipe lower end, the small vacuum pump being connect with the sub- pipe of pumping, the air cooling lobe pump being connect by pipeline with small vacuum pump, is connected to the water ring pump of air cooling lobe pump end, and is connected to the steam trap of water ring pump end；The gradient of the pumping main pipe is 3%~5%.The utility model the ponding being evacuated in main pipe can be discharged in time, and avoiding ponding from being back in main vacuum pump influences main vacuum pump normal work, and then influences the normal work of unit, improves equipment reliability of operation and safety.
Description
Technical field
The utility model is related to vacuum-pumping pipeline systems technology fields, more particularly to a kind of condenser vacuum-pumping pipeline system
System.
Background technology
In building the engineering that the domestic fire coals of 2 × 600MW send out electricity qas units subcritical, steam turbine rated steam exhaust amount
1162.7t/h maximum displacement 1208.9t/h.Total film-cooled heat 38000m2；Unilateral Steam Condenser Leak amount is dry air amount
60kg/h.Every 600MW unit is all provided with the vacuum pump of three 50% capacity, and two fortune one are standby.It is energy saving to change because main vacuum pump capacity is big
It makes and increases by two air-cooled roots vacuum pumps, ensure condenser vacuum when as normal operation.In the course of work, booting first starts big
Vacuum pump is switched to two small vacuum pumps and maintains unit vacuum state after unit vacuum standard operation stabilization.Work as small vacuum pump
Failure or when tripping in operation, the corresponding big vacuum pump of interlocked startup ensures unit normal operation.
But in existing vacuum-pumping pipeline system, the sub- exhaust tube of small vacuum pump group is connected to above female exhaust tube, and mother takes out
There is the phenomenon that carbonated drink condensation during the work time in tracheae so that pipeline ponding, since the inside of exhaust pipe is subnormal ambient,
Ponding can not be discharged by drain pipe；When ponding reaches it is a certain amount of after easily flow back to the lower main vacuum pump inlet duct in position
It is interior, cause main vacuum pump inlet duct internal water accumulation；When small vacuum pump tripping or other reasons are stopped, corresponding main vacuum
Because negative pressure sucks a large amount of ponding after pump startup, leads to current of electric overcurrent and trips, need that pump case discharging valve is opened manually at this time,
Work could be restarted by reducing pump housing water level, and 20 minutes are needed on this procedural theory that discharges water, and nearly half is needed in practical operation
Hour or more, it takes time and effort.Meanwhile being connected with hydrophobic pipeline at the import electrically operated gate of other big vacuum pumps, in inlet duct
Also have condensation seeping phenomenon, equally can upon actuation electric current it is excessively high and trip, ultimately cause steamer machine host condenser and lose
Vaccum-pumping equipment, host tripping, there are the great risks of unit non-programmed halt.
Utility model content
The purpose of this utility model is to provide a kind of condenser vacuum-pumping pipeline system, can dredge pipeline ponding in time,
Ponding is prevented to be back to big vacuum pump and eventually lead to the non-generation for stopping phenomenon of unit, to solve existing condenser vacuum-pumping pipeline
The problem of carbonated drink condenses and influences unit normal work in system.
In order to solve the above technical problems, the utility model provides a kind of condenser vacuum-pumping pipeline system, including main vacuum
Pump, the pumping main pipe being connect with the main vacuum pump are connected to the pumping sub- pipe of the pumping main pipe lower end, with pumping
The small vacuum pump of pipe connection, the air cooling lobe pump being connect by pipeline with the small vacuum pump are connected to the air cooling lobe pump
The water ring pump of end, and it is connected to the steam trap of the water ring pump end；It is described pumping main pipe gradient be 3%~
5%；
Preferably, the sub- pipe of pumping is connected to the low side of the pumping main pipe；
Preferably, the pumping main pipe is equipped with arc-shaped concave with the sub- pipe junction of pumping, and the arc-shaped concave is by institute
Pumping main pipe inner wall is stated to extend to form to junction；
Preferably, the pumping main pipe lower end is equipped with catch basin, and the catch basin is parallel with the pumping axis of main pipe,
The catch basin end is connect with the arc-shaped concave；
Preferably, the catch basin extends to form curved wall to the pumping main pipe inner wall；
Preferably, further include the anti-backflow device for being located at the pumping main pipe end, the anti-counterflow unit includes unidirectional
Deflector, the one-way guide flow plate are bonded with the pumping main pipe inner wall；
Preferably, the one-way guide flow plate is equipped with funnel type one-way guide flow mouth, and the one-way guide flow mouth small end is equipped with envelope
Mouth plastic foil.
The utility model carries a kind of for condenser vacuum-pumping pipeline system, including main vacuum pump, is connect with main vacuum pump
It is evacuated main pipe, is connected to the pumping sub- pipe of pumping main pipe lower end, the small vacuum pump being connect with the sub- pipe of pumping is connect with small vacuum pump
Air cooling lobe pump, be connected to the water ring pump of air cooling lobe pump end, and be connected to the steam trap of water ring pump end,
The gradient of middle pumping main pipe is 3%~5%, when be evacuated have ponding in main pipe when, since pumping main pipe is there are certain gradient,
Carbonated drink flows to the bottom end of pumping main pipe, and the small vacuum pump connected by lower end, successively by air cooling lobe pump, water ring pump, most
It is discharged afterwards by steam trap.In this way, the condenser vacuum-pumping pipeline system can arrange the ponding being evacuated in main pipe in time
Go out, avoiding ponding from being back in main vacuum pump influences main vacuum pump normal work, and then influences the normal work of unit, and raising is set
Standby reliability of operation and safety.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of overall structure diagram of specific implementation mode provided by the utility model；
Fig. 2 is the schematic diagram of the pumping main pipe and one-way guide flow plate of the utility model；
Wherein, in Fig. 1-Fig. 2：
1-main vacuum pump, 2-pumping main pipes, 3-pumping son pipes, 4-small vacuum pumps, 5-air cooling lobe pumps, 6-water rings
Pump, 7-steam traps, 8-one-way guide flow plates, 20-arc-shaped concaves, 21-catch basins, 22-curved walls, 80-is unidirectional
Flow-guiding mouth.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 and Fig. 2, Fig. 1 is a kind of overall structure signal of specific implementation mode provided by the utility model
Figure, Fig. 2 are the schematic diagram when incrustation scale collector of the utility model takes out.
In a kind of specific implementation mode provided by the utility model, which includes main true
Sky pump 1, pumping main pipe 2, the sub- pipe 3 of pumping, small vacuum pump 4, air cooling lobe pump 5, water ring pump 6 and steam trap 7.
Wherein, pumping main pipe 2 is connect with main vacuum pump 1, is evacuated sub- pipe 3 and is connected to 2 lower end of pumping main pipe, small vacuum pump 4
Connect 3 with the sub- pipe of pumping to connect, air cooling lobe pump 5 is connect with small vacuum pump 4 by pipeline, and water ring pump 6 is connected to 5 end of air cooling lobe pump
End, steam trap 7 are connected to 6 end of water ring pump；The gradient for being evacuated main pipe 2 is 3%~5%.There is product when being evacuated in main pipe 2
When water, since pumping main pipe 2 is there are certain gradient, carbonated drink flows to the low side of pumping main pipe 2, and passes through the small true of lower end connection
Sky pump 4 is discharged successively by air cooling lobe pump 5, water ring pump 6 finally by steam trap 7.
It is evacuated in sub- pipe 3 to allow the ponding of pumping main pipe 2 preferably to flow into, is evacuated sub- pipe 3 and is connected to pumping main pipe 2
Low side, ponding are taken advantage of a situation to enter from high-end inflow low side and is evacuated in sub- pipe 3.
In a kind of preferred embodiment of above-mentioned pumping main pipe 2, pumping main pipe 2 is equipped with arc with sub- 3 junction of pipe is evacuated
Shape concave surface 20, arc-shaped concave 20 are extended to form from 3 inner wall of pumping main pipe to junction, and arc-shaped concave 20 can increase the collection of ponding
Area and then the efficiency for improving ponding discharge.
Further, 2 lower end of pumping main pipe is equipped with catch basin 21, and catch basin 21 is parallel with the pumping axis of main pipe 2, catchments
21 end of slot is connect with arc-shaped concave 20, and the ponding that pumping main pipe 2 condenses, which collects, to be flowed into catch basin 21, is entered with catch basin 21
Arc-shaped concave 20, and then flow into and be evacuated in sub- pipe 3 and small vacuum pump 4.
Meanwhile in order to improve carbonated drink condense into after ponding can quick collecting in catch basin 21, catch basin 21 is to pumping
Main pipe inner wall extends to form curved wall 22, and ponding is flowed into curved wall 22 in catch basin 21.
Enter in main vacuum pump to further prevent ponding to flow backwards, further includes the anti-backflow dress for being located at pumping main pipe end
It sets, anti-counterflow unit includes one-way guide flow plate 8, and one-way guide flow plate 8 is bonded with pumping 2 inner wall of main pipe, do not influence to vacuumize
Under the premise of avoid ponding from flowing backwards.
Wherein, one-way guide flow plate 8 is equipped with funnel type one-way guide flow mouth 80, and 80 small end of one-way guide flow mouth is equipped with sealing plastics
Film, when ponding enters one-way guide flow mouth 80, sealing plastic foil, which is sealed portlet, avoids ponding from entering, to further add
The strong protection to main vacuum pump 1.
In conclusion the utility model provides a kind of condenser vacuum-pumping pipeline system, including main vacuum pump 1, it is true with master
The pumping main pipe 2 of 1 connection of sky pump, is connected to the sub- pipe 3 of pumping of pumping main pipe 2 lower end, with the small vacuum pump for being evacuated sub- pipe 3 and connecting
4, the air cooling lobe pump 5 being connect with small vacuum pump 4 is connected to the water ring pump 6 of 5 end of air cooling lobe pump, and is connected to water ring
The steam trap 7 of 6 ends is pumped, wherein the gradient of pumping main pipe 2 is 3%~5%, when having ponding in pumping main pipe 2, by
In pumping main pipe 2 there are certain gradient, carbonated drink flows to the low side of pumping main pipe 2, and the small vacuum pump 4 connected by lower end,
Successively by air cooling lobe pump 5, water ring pump 6, it is discharged finally by steam trap 7.In this way, the condenser vacuum-pumping pipeline system
System the ponding being evacuated in main pipe 2 can be discharged in time, and avoiding ponding from being back in main vacuum pump 1 influences main vacuum pump 1 normally
Work, and then the normal work for influencing unit is avoided, improve equipment reliability of operation and safety.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (7)
1. a kind of condenser vacuum-pumping pipeline system, which is characterized in that including main vacuum pump, the pumping being connect with the main vacuum pump
Gas main pipe is connected to the pumping sub- pipe of the pumping main pipe lower end, the small vacuum pump being connect with the sub- pipe of pumping, and described small
The air cooling lobe pump that vacuum pump is connected by pipeline, is connected to the water ring pump of the air cooling lobe pump end, and is connected to institute
State the steam trap of water ring pump end；The gradient of the pumping main pipe is 3%~5%.
2. condenser vacuum-pumping pipeline system according to claim 1, which is characterized in that the sub- pipe of pumping is connected to institute
State the low side of pumping main pipe.
3. condenser vacuum-pumping pipeline system according to claim 1, which is characterized in that the pumping main pipe and the pumping
Gas pipe junction is equipped with arc-shaped concave, and the arc-shaped concave is extended to form from the pumping main pipe inner wall to junction.
4. condenser vacuum-pumping pipeline system according to claim 3, which is characterized in that the pumping main pipe lower end is equipped with
Catch basin, the catch basin is parallel with the pumping axis of main pipe, and the catch basin end is connect with the arc-shaped concave.
5. condenser vacuum-pumping pipeline system according to claim 4, which is characterized in that the catch basin is to the pumping
Main pipe inner wall extends to form curved wall.
6. condenser vacuum-pumping pipeline system according to claim 1, which is characterized in that further include being located at pumping mother
The anti-backflow device of pipe end, the anti-backflow device include one-way guide flow plate, the one-way guide flow plate and the pumping main pipe
Inner wall is bonded.
7. condenser vacuum-pumping pipeline system according to claim 6, which is characterized in that the one-way guide flow plate is equipped with
Funnel type one-way guide flow mouth, the one-way guide flow mouth small end are equipped with sealing plastic foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721655273.5U CN207945993U (en) | 2017-12-01 | 2017-12-01 | A kind of condenser vacuum-pumping pipeline system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721655273.5U CN207945993U (en) | 2017-12-01 | 2017-12-01 | A kind of condenser vacuum-pumping pipeline system |
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| Publication Number | Publication Date |
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| CN207945993U true CN207945993U (en) | 2018-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721655273.5U Active CN207945993U (en) | 2017-12-01 | 2017-12-01 | A kind of condenser vacuum-pumping pipeline system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022110831A1 (en) * | 2020-11-28 | 2022-06-02 | 桂林市深能环保有限公司 | Water accumulation prevention device for evacuating power plant condenser |
-
2017
- 2017-12-01 CN CN201721655273.5U patent/CN207945993U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022110831A1 (en) * | 2020-11-28 | 2022-06-02 | 桂林市深能环保有限公司 | Water accumulation prevention device for evacuating power plant condenser |
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