CN207113645U - A kind of efficient passive multistage condenser steam injection vacuum system - Google Patents
A kind of efficient passive multistage condenser steam injection vacuum system Download PDFInfo
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- CN207113645U CN207113645U CN201720467465.7U CN201720467465U CN207113645U CN 207113645 U CN207113645 U CN 207113645U CN 201720467465 U CN201720467465 U CN 201720467465U CN 207113645 U CN207113645 U CN 207113645U
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- jet ejector
- steam
- steam jet
- pressure chamber
- heat exchanger
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- 238000010793 Steam injection (oil industry) Methods 0.000 title claims abstract description 24
- 238000005086 pumping Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000000203 mixture Substances 0.000 abstract description 13
- 230000002209 hydrophobic effect Effects 0.000 description 7
- 238000000605 extraction Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model discloses a kind of efficient passive multistage condenser steam injection vacuum system, passive multistage condenser steam injection vacuum system includes condenser and power plant's auxiliary power steam main, the condenser, which is provided with pumping main pipe pipeline and condensate line, the passive multistage condenser steam injection vacuum system, to be included：First order steam jet ejector, the first order steam jet ejector are connected with pumping main pipe pipeline and power plant's auxiliary power steam main respectively；Integrated tubular heat exchanger, the integrated tubular heat exchanger are connected with first order steam jet ejector；Second level steam jet ejector, the second level steam jet ejector are connected with integrated tubular heat exchanger；Third level steam jet ejector, the third level steam jet ejector are connected with integrated tubular heat exchanger.The utility model performance is stable, securely and reliably, only a heat exchanger need to be set to be condensed to the vapour gas mixture under different pressures, greatly reduce cost.
Description
Technical field
It the utility model is related to a kind of condenser steam injection vacuum system, and in particular to a kind of efficient passive multistage solidifying
Vapour device steam jet vacuum system.
Background technology
In thermal power plant, existing condenser steam injection vacuum system is typically extracted solidifying using water ring vacuum pump
Incoagulable gas in vapour device, to ensure the vacuum of condenser.
But vapour gas mixture of the existing condenser steam injection vacuum system under to different pressures condenses
When, it is necessary to set multiple heat exchangers, so substantially increase cost and floor space.
Utility model content
The utility model is true so as to provide a kind of efficient passive multistage condenser steam injection in order to solve the above problems
Empty set is united.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
A kind of efficient passive multistage condenser steam injection vacuum system, passive multistage condenser vapor jet vacuum system
System includes condenser and power plant's auxiliary power steam main, and the condenser is provided with pumping main pipe pipeline and condensate line,
Characterized in that, the passive multistage condenser steam injection vacuum system includes：
First order steam jet ejector, the first order steam jet ejector is respectively with being evacuated main pipe pipeline and power plant's auxiliary power
Steam main connects；
Integrated tubular heat exchanger, the integrated tubular heat exchanger are connected with first order steam jet ejector；
Second level steam jet ejector, the second level steam jet ejector are connected with integrated tubular heat exchanger；
Third level steam jet ejector, the third level steam jet ejector are connected with integrated tubular heat exchanger.
In a preferred embodiment of the present utility model, the pumping main pipe pipeline is connected with vacuum pump group.
In a preferred embodiment of the present utility model, it is sequentially provided with the integrated tubular heat exchanger independently of each other
Hyperbaric chamber, middle pressure chamber and low-pressure chamber.
In a preferred embodiment of the present utility model, the vapour side entrance connection first order steam injection of the low-pressure chamber
The jet of device, the pump orifice of the vapour side outlet connection second level steam jet ejector of the low-pressure chamber, the vapour side of medium pressure room
Entrance connects the jet of second level steam jet ejector, and the vapour side outlet connection third level steam jet ejector of medium pressure room is taken out
Suction inlet, the jet of the vapour side entrance connection third level steam jet ejector in the hyperbaric chamber, the vapour side outlet in the hyperbaric chamber will
Incondensable gas is immediately discharged to air.
In a preferred embodiment of the present utility model, it is respectively equipped with the hyperbaric chamber, middle pressure chamber and low-pressure chamber thin
The mouth of a river, using seal water system step by step between these three drain ports, it is hydrophobic by the way that seal water system is flowed to by hyperbaric chamber successively step by step in
Pressure chamber, then condenser hotwell is discharged into after low-pressure chamber.
In a preferred embodiment of the present utility model, the integrated tubular heat exchanger is provided with inlet pipeline and gone out
Water lines, the inlet pipeline directly with condensate pump and axle in addition between condensate line be connected, the outlet pipeline and axle
Add with it is low in addition between condensate line connect.
In a preferred embodiment of the present utility model, the condensate line is provided with volume control device.
In a preferred embodiment of the present utility model, the first order steam jet ejector includes a steam jet ejector,
The pumping main pipe pipeline includes a pumping main pipe, and the pump orifice connection condenser pumping main pipe of the steam jet ejector is described
The vapour side entrance of the jet connection low-pressure chamber of steam jet ejector, the power steam mouth connection power plant auxiliary of the steam jet ejector
Power steam main pipe.
In a preferred embodiment of the present utility model, the pumping main pipe pipeline includes high pressure pumping main pipe and low pressure
It is evacuated main pipe, the pump orifice connection high pressure pumping main pipe of first steam jet ejector, the injection of first steam jet ejector
The vapour side entrance of mouth connection low-pressure chamber, the power steam mouth connection power plant auxiliary power steam of first steam jet ejector are female
Pipe, the pump orifice connection lower pressure extraction main pipe of second steam jet ejector, the jet connection of second steam jet ejector
The vapour side entrance of low-pressure chamber, the power steam mouth connection power plant auxiliary power steam main of second steam jet ejector.
The beneficial effects of the utility model are：
The utility model performance is stable, securely and reliably, only need to set a heat exchanger can be under different pressures
Vapour gas mixture is condensed, and greatly reduces cost.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of embodiment 1；
Fig. 2 is the structural representation of embodiment 2.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Embodiment 1
Referring to Fig. 1, efficient passive multistage condenser steam injection vacuum system provided by the utility model, it includes the
It is one-level steam jet ejector, integrated tubular heat exchanger 200, second level steam jet ejector 300, second level steam jet ejector 400, solidifying
Vapour device and power plant's auxiliary power steam main 600.
Pumping main pipe pipeline and condensate line 520 are typically provided on condenser, pumping main pipe pipeline includes a pumping
Main pipe 510, pumping main pipe 510 are connected with vacuum pump group 800.
First order steam jet ejector includes a steam jet ejector 100, and the pump orifice connection pumping of steam jet ejector 100 is female
Pipe 510, the jet of steam jet ejector 100 are integrally connected the vapour side entrance of formula pipe heat exchanger 200, steam jet ejector 100
Power steam mouth connection power plant auxiliary power steam main 600.
It is respectively equipped with and isolates between steam jet ejector 100 and pumping main pipe 510, power plant's auxiliary power steam main 600
Valve.
First order steam jet ejector be for using the auxiliary steam of power plant's auxiliary power steam main 600 as dynamic medium,
The vapour gas mixture in pumping main pipe 510 is extracted, and vapour gas mixture is pressurizeed.
Integrated tubular heat exchanger 200, it is specifically by separate hyperbaric chamber 210, middle pressure chamber 220 and low-pressure chamber 230
Composition.
The jet of the vapour side entrance connection steam jet ejector 100 of low-pressure chamber 230, the vapour side outlet connection of low-pressure chamber 230
The pump orifice of second level steam jet ejector 300, the injection of the vapour side entrance connection second level steam jet ejector 300 of middle pressure chamber 220
Mouthful, the pump orifice of the vapour side outlet connection third level steam jet ejector 400 of middle pressure chamber 220, the vapour side entrance in hyperbaric chamber 210 connects
Connect the jet of third level steam jet ejector 400.
By the implementation of said structure, integrated tubular heat exchanger 200 passes through low-pressure chamber 230, middle pressure chamber 220 and height respectively
Pressure chamber 210 cools down first order steam jet ejector, second level steam jet ejector 200 and third level steam jet ejector 400 and projected successively
Vapour gas mixture, and by first order steam jet ejector, second level steam jet ejector 200 and third level steam jet ejector
400 pressurization step by step so that the pressure superatmospheric of vapour gas mixture in high-pressure chamber 210, now can be by non-condensing gas
Body is immediately discharged to air.
In addition, be respectively equipped with drain port on hyperbaric chamber 210, middle pressure chamber 220 and low-pressure chamber 230, these three drain ports it
Between seal water system 700 step by step are set, it is hydrophobic flowed to successively by hyperbaric chamber 210 by seal water system 700 step by step in pressure chamber 220, then
Condenser hotwell is discharged into after low-pressure chamber 210, so that hydrophobic pressure reduces successively, and avoid causes because pressure difference is excessive
Water seal height it is too high the problem of.
Furthermore liquid level gauge is provided with the hydrophobic pipeline of each drain port, liquid level gauge is prevented to observe the state of water seal
Sealing envelope failure, it ensure that the effective and safe operation of seal water system 700 step by step.
Inlet pipeline 240 and outlet pipeline 250 are provided with integrated tubular heat exchanger 200.
The application connects an inlet pipeline 240 and an outlet pipeline 250 on condensate line 520, passes through condensate line
520 are engaged with inlet pipeline 240, outlet pipeline 250, and integrated tubular heat exchanger 200 is supplied water and cooled down.
Inlet pipeline 240 is directly connected with condensate line 520, and outlet pipeline 250 is connected with condensate line 520, this
A part of condensate in sample condensate line 520 can be flowed into integrated tubular heat exchanger 200 by inlet pipeline 240,
Low adding system is flow to after confluxing with another part by the condensate of axle adding system；
And low-pressure chamber can be passed through successively by being flowed into condensed water in integrated tubular heat exchanger 200 by inlet pipeline 240
230th, middle pressure chamber 220 and hyperbaric chamber 210, low-pressure chamber 230, middle pressure chamber 220 and hyperbaric chamber 210 are exchanged heat, then by going out
Water lines 250 are flowed on condensate line 520 again adds export pipeline 530 to conflux with axle.
By above-mentioned implementation, condensate can directly be taken and used by the application, then return to condensate line again,
The heat exchange amount in integrated tubular heat exchanger 200 is absorbed, in turn ensure that the condensation water inventory of condenser is unchanged, will not be to low
Adding system is into influence.
Furthermore it is provided with volume control device 521, flow control dress in the intake opening position of condensate line 520
Put solve the problems, such as water operation, ensure the condensing water flow as the cooling water of integrated tubular heat exchanger 200 not by machine
The influence of group load variations.
Embodiment 2
Referring to Fig. 2, efficient passive multistage condenser steam injection vacuum system provided by the utility model, it includes the
It is one-level steam jet ejector, integrated tubular heat exchanger 200, second level steam jet ejector 300, second level steam jet ejector 400, solidifying
Vapour device and power plant's auxiliary power steam main 600.
Pumping main pipe pipeline and condensate discharge pipe 520 are typically provided on condenser, pumping main pipe pipeline is by two pipes
Road forms, respectively high pressure pumping main pipe 511 and lower pressure extraction main pipe 512, high pressure pumping main pipe 511 and lower pressure extraction main pipe
512 connect vacuum pump group 800 respectively.
First order steam jet ejector includes the first steam jet ejector 110 and the second steam jet ejector 120.
The pump orifice connection high pressure pumping main pipe 511 of first steam jet ejector 110, the injection of the first steam jet ejector 110
Mouth is integrally connected the vapour side entrance of formula pipe heat exchanger 200, the power steam mouth connection power plant auxiliary of the first steam jet ejector 110
Power steam main pipe 600；
The pump orifice connection lower pressure extraction main pipe 512 of second steam jet ejector 120, the injection of the second steam jet ejector 120
Mouth is integrally connected the vapour side entrance of formula pipe heat exchanger 200, the power steam mouth connection power plant auxiliary of the second steam jet ejector 120
Power steam main pipe 600.
In the first steam jet ejector 110 and high pressure pumping main pipe 511, power plant's auxiliary power steam main 600 and integral type
Between pipe heat exchanger 200 and the second steam jet ejector 120 and lower pressure extraction main pipe 512, power plant's auxiliary power steam main
Isolating valve is respectively equipped between 600.
First order steam jet ejector be for using the auxiliary steam of power plant's auxiliary power steam main 600 as dynamic medium,
The vapour gas mixture in high pressure pumping main pipe 511 and lower pressure extraction main pipe 512 is extracted, and vapour gas mixture is pressurizeed.
Integrated tubular heat exchanger 200, it is specifically by separate hyperbaric chamber 210, middle pressure chamber 220 and low-pressure chamber 230
Composition.
The vapour side entrance of low-pressure chamber 230 connects the spray of the first steam jet ejector 110 and the second steam jet ejector 120 respectively
Loophole, the pump orifice of the vapour side outlet connection second level steam jet ejector 300 of low-pressure chamber 230, the vapour side entrance of middle pressure chamber 220 connects
The jet of second level steam jet ejector 300 is connect, the vapour side outlet connection third level steam jet ejector 400 of middle pressure chamber 220 is taken out
Suction inlet, the jet of the vapour side entrance connection third level steam jet ejector 400 in hyperbaric chamber 210.
By the implementation of said structure, integrated tubular heat exchanger 200 passes through low-pressure chamber 230, middle pressure chamber 220 and height respectively
Pressure chamber 210 cools down first order steam jet ejector, second level steam jet ejector 200 and third level steam jet ejector 400 and projected successively
Vapour gas mixture, and by first order steam jet ejector, second level steam jet ejector 200 and third level steam jet ejector
400 pressurization step by step so that the pressure superatmospheric of vapour gas mixture in high-pressure chamber 210, now can be by non-condensing gas
Body is immediately discharged to air.
In addition, be respectively equipped with drain port on hyperbaric chamber 210, middle pressure chamber 220 and low-pressure chamber 230, these three drain ports it
Between seal water system 700 step by step are set, it is hydrophobic flowed to successively by hyperbaric chamber 210 by seal water system 700 step by step in pressure chamber 220, then
Condenser hotwell is discharged into after low-pressure chamber 230, so that hydrophobic pressure reduces successively, and avoid causes because pressure difference is excessive
Water seal height it is too high the problem of.
Furthermore liquid level gauge is provided with the hydrophobic pipeline of each drain port, liquid level gauge is prevented to observe the state of water seal
Sealing envelope failure, it ensure that the effective and safe operation of seal water system 700 step by step.
Inlet pipeline 240 and outlet pipeline 250 are provided with integrated tubular heat exchanger 200.
The application connects an inlet pipeline 240 and an outlet pipeline 250 on condensate line 520, passes through condensate line
520 are engaged with inlet pipeline 240, outlet pipeline 250, and integrated tubular heat exchanger 200 is supplied water and cooled down.
Inlet pipeline 240 is directly connected with condensate line 520, and outlet pipeline 250 is connected with condensate line 520, this
A part of condensate in sample condensate line 520 can be flowed into integrated tubular heat exchanger 200 by inlet pipeline 240,
Low adding system is flow to after confluxing with another part by the condensate of axle adding system；
And low-pressure chamber can be passed through successively by being flowed into condensed water in integrated tubular heat exchanger 200 by inlet pipeline 240
230th, middle pressure chamber 220 and hyperbaric chamber 210, low-pressure chamber 230, middle pressure chamber 220 and hyperbaric chamber 210 are exchanged heat, then by going out
Water lines 250 are flowed on condensate line 520 again adds export pipeline 530 to conflux with axle.
By above-mentioned implementation, condensate can directly be taken and used by the application, then return to condensate line again,
The heat exchange amount in integrated tubular heat exchanger 200 is absorbed, in turn ensure that the condensation water inventory of condenser is unchanged, will not be to low
Adding system impacts.
Furthermore volume control device 521 is also provided with the intake position of condensate discharge pipe 520, the flow control
Device processed ensures condensing water flow as the cooling water of integrated tubular heat exchanger 200 not solving the problems, such as water operation
Influenceed by unit load change.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (8)
1. a kind of efficient passive multistage condenser steam injection vacuum system, passive multistage condenser steam injection vacuum system
Including condenser and power plant's auxiliary power steam main, the condenser is provided with pumping main pipe pipeline and condensate line, its
It is characterised by, the passive multistage condenser steam injection vacuum system includes：
First order steam jet ejector, the first order steam jet ejector is respectively with being evacuated main pipe pipeline and power plant's auxiliary power steam
Main pipe connects；
Integrated tubular heat exchanger, the integrated tubular heat exchanger are connected with first order steam jet ejector；
Second level steam jet ejector, the second level steam jet ejector are connected with integrated tubular heat exchanger；
Third level steam jet ejector, the third level steam jet ejector are connected with integrated tubular heat exchanger.
A kind of 2. efficient passive multistage condenser steam injection vacuum system according to claim 1, it is characterised in that
The pumping main pipe pipeline is connected with vacuum pump group.
A kind of 3. efficient passive multistage condenser steam injection vacuum system according to claim 1, it is characterised in that
Separate hyperbaric chamber, middle pressure chamber and low-pressure chamber are sequentially provided with the integrated tubular heat exchanger.
A kind of 4. efficient passive multistage condenser steam injection vacuum system according to claim 3, it is characterised in that
The jet of the vapour side entrance connection first order steam jet ejector of the low-pressure chamber, the vapour side outlet connection second of the low-pressure chamber
The pump orifice of level steam jet ejector, the jet of the vapour side entrance connection second level steam jet ejector of medium pressure room, in described
The pump orifice of the vapour side outlet connection third level steam jet ejector of pressure chamber, the vapour side entrance connection third level steam in the hyperbaric chamber
Incondensable gas is immediately discharged to air by the jet of injector, the vapour side outlet in the hyperbaric chamber.
A kind of 5. efficient passive multistage condenser steam injection vacuum system according to claim 3, it is characterised in that
Drain port is respectively equipped with the hyperbaric chamber, middle pressure chamber and low-pressure chamber, seal water system step by step is formed between these three drain ports, is dredged
Pressure chamber during water is flowed to by hyperbaric chamber successively by seal water system step by step, then condenser hotwell is discharged into after low-pressure chamber.
A kind of 6. efficient passive multistage condenser steam injection vacuum system according to claim 1, it is characterised in that
The integrated tubular heat exchanger is provided with inlet pipeline and outlet pipeline, and the inlet pipeline directly adds with condensate pump and axle
Between condensate line connection, the outlet pipeline and axle add and it is low in addition between condensate line connection.
A kind of 7. efficient passive multistage condenser steam injection vacuum system according to claim 6, it is characterised in that
The condensate line is provided with volume control device.
A kind of 8. efficient passive multistage condenser steam injection vacuum system according to claim 3, it is characterised in that
The first order steam jet ejector includes a steam jet ejector, and the pumping main pipe pipeline includes a pumping main pipe, the steam
The pump orifice connection condenser pumping main pipe of injector, the vapour side entrance of the jet connection low-pressure chamber of the steam jet ejector,
The power steam mouth connection power plant auxiliary power steam main of the steam jet ejector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720467465.7U CN207113645U (en) | 2017-04-28 | 2017-04-28 | A kind of efficient passive multistage condenser steam injection vacuum system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720467465.7U CN207113645U (en) | 2017-04-28 | 2017-04-28 | A kind of efficient passive multistage condenser steam injection vacuum system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207113645U true CN207113645U (en) | 2018-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720467465.7U Active CN207113645U (en) | 2017-04-28 | 2017-04-28 | A kind of efficient passive multistage condenser steam injection vacuum system |
Country Status (1)
| Country | Link |
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| CN (1) | CN207113645U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108133A (en) * | 2018-12-24 | 2019-08-09 | 程琛 | A kind of connection of the steam-sprayed pumped vacuum systems cooling water heat exchanger of condenser and heat recovery method |
| CN117469212A (en) * | 2023-12-26 | 2024-01-30 | 青州凯能热动设备有限公司 | Multistage steam jet air extractor system for steam turbine |
-
2017
- 2017-04-28 CN CN201720467465.7U patent/CN207113645U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108133A (en) * | 2018-12-24 | 2019-08-09 | 程琛 | A kind of connection of the steam-sprayed pumped vacuum systems cooling water heat exchanger of condenser and heat recovery method |
| CN117469212A (en) * | 2023-12-26 | 2024-01-30 | 青州凯能热动设备有限公司 | Multistage steam jet air extractor system for steam turbine |
| CN117469212B (en) * | 2023-12-26 | 2024-03-26 | 青州凯能热动设备有限公司 | Multistage steam jet air extractor system for steam turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180424 Address after: 201802 Shanghai South Road, Jiading District, No. 4268, A District, No. 2396 Patentee after: Shanghai Shsurfer Electric Power Technique Co. , Ltd. Address before: Anhui province Huainan city 232007 National Road, tianjia'an District Village striker 22-1-8 room Patentee before: Cheng Chen |