CN207673377U - A kind of steam-turbine on-Line Monitor Device - Google Patents
A kind of steam-turbine on-Line Monitor Device Download PDFInfo
- Publication number
- CN207673377U CN207673377U CN201820015324.6U CN201820015324U CN207673377U CN 207673377 U CN207673377 U CN 207673377U CN 201820015324 U CN201820015324 U CN 201820015324U CN 207673377 U CN207673377 U CN 207673377U
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- steam
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- turbine
- line monitor
- monitor device
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Abstract
A kind of steam-turbine on-Line Monitor Device comprising the steam inlet of steam condenser, condensate liquid analytical instrument and controller, steam condenser connects main steam range, and regulating valve is set on the connecting line；Pneumatic control valve is set on cooling water inlet pipeline；Analyzer, condensate liquid injection port are connect with the condensate outlet of steam condenser, and connecting line is equipped with temperature control device, pressure maintaining valve and safety valve；The regulating valve, pneumatic control valve, temperature control device, analyzer are electrically connected with controller respectively.Utilize the utility model, can real time on-line monitoring analysis power steam in impurity situation, it realizes and monitoring in real time is carried out fast and accurately to steam, personnel easy to operation are according to real-time steam quality situation, reasonable adjustment is made in time, be conducive to optimize operation and control, it is ensured that steam quality ensures that steam drive equipment is run steadily in the long term.
Description
Technical field
The utility model belongs to air separate vapour dynamic field, and in particular to a kind of steam-turbine on-line monitoring dress
It sets.
Background technology
With the fast development of Chinese national economy, the gas industry as one of leading industry is grown rapidly,
Gas supply source of the air-compressor set as air separation unit, now there are mainly two types of type of drive：Electric drive and steam drive.
Compared to electric drive, steam drive has following features：The rotating speed of steam turbine can change in a certain range, increase
The flexibility of regulating measure and operation is added；Suitable for conveying inflammable and explosive gas, even if there is leakage to be not easy to cause accident；It steams
Vapour source is more stable, and economy is higher etc..Therefore, the steam drive replacement electric drive in particular range gradually,
As the Large-scale machine set type of drive of mainstream.
Steam quality refers to the impurity content in steam, that is, the clean-up performance of steam, and the impurity in steam includes gas
Body and non-pneumatic impurity.Oxygen, nitrogen, carbon dioxide and ammonia etc. are common gaseous impurities, if dealing with improperly, these gases
Metal part may be corroded, and carbon dioxide may also participate in precipitation process.
Non-pneumatic impurity in steam, is also steam saliferous, can if the saturated vapor sent out by boiler gas bag contains salt
Can some be deposited on superheater surface tube wall, heat-transfer capability can be made to reduce, it is heavy then keep tube wall temperature fair more than metal
Perhaps limiting temperature causes pipe overtemperature to burn out, and gently reduces then steam heat absorption, and overheating steam temperature reduces, and exhaust gas temperature increases, pot
The efficiency of furnace reduces.If salt crust is deposited at the valve of jet chimney, valve event failure and valve may be caused to leak vapour, cause to pacify
The generation of full hidden danger.If salt crust is deposited on the throughput timesharing of steam turbine, the circulation area of steam will be made to reduce, cause blade
Roughness increases, or even changes the line style of blade, reduces efficiency；The flow resistance of steam can also increased, reduces steam turbine
Power, and blade stress and axial thrust is caused to increase, or even Steam Turbine Vibration is caused to increase；When salification is not around steam turbine
When uniform, the balance of rotor will be influenced, or even cause a serious accident.
For using the process unit of steam, steam quality is unqualified to lead to fluctuation, influences the steady fortune of device
Row, or even cause serious equipment safety accident.In the prior art, artificial cycle sampling monitoring is used to steam quality, point
Result is analysed there are hysteresis quality, is unfavorable for making timely adjustment to operating mode variation.Therefore, it realizes and steam is carried out fast and accurately
Monitoring in real time, becomes the key point for ensuring steam quality, and ensures it in weight that steam drive equipment is run steadily in the long term
Weight.
Utility model content
The purpose of this utility model is to provide a kind of steam-turbine on-Line Monitor Devices, for the gas in air separation unit
Body compression section, impurity situation that can be in real time on-line monitoring analysis power steam, realize steam is carried out it is fast and accurately real
When monitor, personnel easy to operation make reasonable adjustment in time according to real-time steam quality situation, be conducive to optimization operation control
System, it is ensured that steam quality ensures that steam drive equipment is run steadily in the long term.
In order to achieve the above object, the utility model provides the following technical solutions：
A kind of steam-turbine on-Line Monitor Device, including：Steam condenser, upper part set connect the steam of main steam range into
Mouth and the cooling water inlet for meeting the external world, lower part sets condensate outlet and water outlet；Condenser pipe is set in steam condenser, the condenser pipe
Both ends connect steam inlet and condensate outlet respectively, and regulating valve is set on the connecting line of the steam inlet and main steam range；
Cooling water inlet pipeline is equipped with pneumatic control valve；Analyzer for analyzing condensate liquid ingredient is equipped with condensate liquid injection port,
The condensate outlet of the condensate liquid injection port and steam condenser by piping connection, on the connecting line self cooling condensate outlet according to
Secondary to be equipped with temperature control device, pressure maintaining valve and safety valve, the safety valve connects bypass duct；Controller, the steam inlet connection
The pneumatic control valve in regulating valve, inlet pipeline on pipeline, the temperature control device on condensate outlet pipeline, analyzer respectively with
Controller is electrically connected.
Also, the steam inlet and the connecting line of main steam range are equipped with filter.
Further, the controller is equipped with acoustic-optic alarm.
Also, the distribution system of the analyzer uses automatic air-break switch.
Preferably, the steam inlet and the connecting line of main steam range are equipped with shut-off valve.
Also, the regulating valve on the steam inlet and the connecting line of main steam range, which is speed, closes regulating valve.
Preferably, it is two formula solenoid valves that the speed, which closes regulating valve, and the pressure maintaining valve is Self-operated pressure reducing valve or adjustable
Pressure reducing valve.
Further, the steam condenser and steam inlet pipeline are externally provided with insulating layer.
When utility model works, power steam is drawn from main steam range, by steam condenser, in steam condenser
In, by exchanging heat with the non-direct contact type of cooling circulating water, steam is gradually cooled down, and liquid water, condensed water are finally condensed into
Analyzer can be entered as sample water after filtering out mechanical admixture, the sample analysis system of analyzer is to the pH value in condensate liquid, electricity
Conductance, silica, copper ion, sodium ion, calcium ion and magnesium ion etc. are analyzed, and the data output system of analyzer will divide
Analysis data are sent to controller in real time, and controller is adjusted control device according to result.
It is logical in its steam passage and cooling water in order to ensure that steam condenser can work normally safely in the utility model
Road is equipped with safety valve or regulating valve, prevents hypertonia and generates security risk, ontology and steam introduction pipe are equipped with
Insulating layer can prevent high temperature from scalding and playing the role of in Four seasons change heat preservation drop low-loss.
In the utility model, pressure stabilizing device is constituted by pressure maintaining valve and safety valve, can realize the stabilization of pressure and to super
Pressure situation is effectively prevented.After sample water is by pressure maintaining valve, when pressure is more than the pressure that analyzer can bear, safe valve actuation
Make, superpressure sample water is discharged from bypass, ensures that system pressure meets the requirements, when sample coolant-temperature gage is more than set temperature, when such as 40 DEG C, temperature
Control device can monitor the temperature that transfinites, and after feeding back to controller, controller is passed to signal is controlled on power steam pipeline
Regulating valve, regulating valve voluntarily cuts off sample water, to protect follow-up equipment.
To ensure the stabilization of sample coolant-temperature gage, the accuracy of analysis data is improved, the utility model is in steam condensator outlet
Temperature control device is installed on condensing water conduit, into the cooling water inlet pipeline of steam condenser on install pneumatic control valve, controller
The size deviation of the actual value and setting value that are measured by temperature control device, to automatically adjust the size of cooling water flow, to realize
The stabilization of condensate temperature.
The analytical instrument of the utility model is equipped with automatic air-break switch, the effects that can playing the short circuit of protection instrument, overload.
The utility model can play real time on-line monitoring and take offence the effect of steam quality, on the controller can be to any
The alarm for analyzing numerical value progress bound is presetting, when analyzing numerical value deviation setting index, can be reminded in time with sound-light alarm
Operating personnel carry out targetedly Operating condition adjustment, stablize steam quality, stablize the normal operation of steam turbine, when promoting its operation
It is long.
The utility model has the advantages that：
1) real time on-line monitoring to major impetus source steam quality is realized, is enabled an operator to more fast, straight
That sees recognizes analysis data in real time.
2) bound alarm can be added to each analysis parameter, can pass through acousto-optic when any value deviation control range
Alarm makes operating personnel carry out specific aim adjustment according to operating mode very much, substantially reduces and be analyzed to identify adjustment time.
3) periodical manual sampling analysis is become automatically analyzing in real time, steam quality data can be obtained immediately, both reduced
Working strength, and improve precision of analysis and reliability.
4) stability for improving steam quality provides guarantee for the operation steady in a long-term of equipment energy.
5) whole system take up space it is small, be easily achieved, need not shut down, can long-term on-line operation, suitable for steam is made
For the steam turbine driven equipment device of power resources.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the utility model.
Specific implementation mode
Referring to Fig. 1, a kind of steam-turbine on-Line Monitor Device of the utility model, including steam condenser 3, upper part is set
It connects the steam inlet of main steam range and connects extraneous cooling water inlet, lower part sets condensate outlet and water outlet；Steam condenser
Condenser pipe is inside set, which meets steam inlet and condensate outlet, the company of the steam inlet and main steam range respectively
It takes over road and sets solenoid valve 1 and shut-off valve 2；Cooling water inlet pipeline is equipped with pneumatic control valve 4；Main steam range connects steam turbine
10；
Analyzer 8 for analyzing condensate liquid ingredient, is equipped with condensate liquid injection port, which passes through pipeline
It is connect with the condensate outlet of steam condenser 3, self cooling condensate outlet is equipped with temperature control device 5, relies on oneself successively on the connecting line
Formula pressure reducing valve 6 and safety valve 7, the safety valve 7 connect bypass duct；
Controller 9, the solenoid valve 1 in the steam inlet connecting pipe, the pneumatic control valve 4 on inlet pipeline, condensation
Temperature control device 5, analyzer 8 on liquid export pipeline are electrically connected with controller 9 respectively.
Further, the steam inlet pipeline is equipped with filter 11, and the controller is equipped with acoustic-optic alarm, described
The distribution system of analyzer uses automatic air-break switch.
Also, the steam condenser and steam inlet pipeline are externally provided with insulating layer, aluminium flake is used in combination to be fixed.
In the present embodiment, the connection between main steam range, steam condenser, cooling water pipe, voltage-stabilizing system and temperature control system
It is all made of the mode of flanged joint.
Steam (vapor) outlet pipeline uses seamless steel pipe, and cooling water pipe uses stainless steel pipes with steam condensation water pipe, by steady
Condensate pipe after pressure out uses instrumental analysis probe tube.Involved safety valve jumping up pressure is situated between according in it on device
1.1 times of matter operating pressure are chosen, and pressure maintaining valve uses Self-operated pressure reducing valve, the distribution system of analytical instrument be also according to point
The rated power of analyzer device chooses corresponding air switch, ensures instrument energy long-term stable operation.
The dependence test of types of functionality is carried out to it according to plan arrangement after device is installed, it is ensured that device can be stablized
Operation, analyzes the correctness and rapidity of data.
Claims (8)
1. a kind of steam-turbine on-Line Monitor Device, which is characterized in that including：
Steam condenser, upper part set the steam inlet for connecing main steam range and connect extraneous cooling water inlet, and lower part sets condensate liquid
Outlet and water outlet；Condenser pipe is set in steam condenser, which connects steam inlet and condensate outlet respectively, described
Steam inlet and main steam range connecting line on set regulating valve；Cooling water inlet pipeline is equipped with pneumatic control valve；
Analyzer for analyzing condensate liquid ingredient is equipped with condensate liquid injection port, the condensate liquid injection port and steam condenser
Condensate outlet by piping connection, self cooling condensate outlet is equipped with temperature control device, pressure maintaining valve and peace successively on the connecting line
Full valve, the safety valve connect bypass duct；
Controller, the regulating valve in the steam inlet connecting pipe, the pneumatic control valve on inlet pipeline, condensate outlet pipe
Temperature control device, analyzer and the controller of road are electrically connected.
2. steam-turbine on-Line Monitor Device according to claim 1, which is characterized in that the steam inlet and steam are total
The connecting line of pipe is equipped with filter.
3. steam-turbine on-Line Monitor Device according to claim 1, which is characterized in that the steam inlet and steam are total
The connecting line of pipe is equipped with shut-off valve.
4. steam-turbine on-Line Monitor Device according to claim 1, which is characterized in that the controller is equipped with acousto-optic report
Alarm device.
5. steam-turbine on-Line Monitor Device according to claim 1, which is characterized in that the distribution system of the analyzer
Using automatic air-break switch.
6. steam-turbine on-Line Monitor Device according to claim 1, which is characterized in that the steam inlet and steam are total
Regulating valve on the connecting line of pipe is that speed closes regulating valve.
7. steam-turbine on-Line Monitor Device according to claim 6, which is characterized in that it is two that the speed, which closes regulating valve,
Formula solenoid valve, the pressure maintaining valve are Self-operated pressure reducing valve or adjustable compression release valve.
8. according to any one of the claim 1-7 steam-turbine on-Line Monitor Devices, which is characterized in that the steam condensation
Device and steam inlet pipeline are externally provided with insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820015324.6U CN207673377U (en) | 2018-01-05 | 2018-01-05 | A kind of steam-turbine on-Line Monitor Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820015324.6U CN207673377U (en) | 2018-01-05 | 2018-01-05 | A kind of steam-turbine on-Line Monitor Device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673377U true CN207673377U (en) | 2018-07-31 |
Family
ID=62972650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820015324.6U Expired - Fee Related CN207673377U (en) | 2018-01-05 | 2018-01-05 | A kind of steam-turbine on-Line Monitor Device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903168A (en) * | 2021-01-25 | 2021-06-04 | 杭州汽轮机股份有限公司 | Method for rapidly monitoring axial thrust of steam turbine |
-
2018
- 2018-01-05 CN CN201820015324.6U patent/CN207673377U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903168A (en) * | 2021-01-25 | 2021-06-04 | 杭州汽轮机股份有限公司 | Method for rapidly monitoring axial thrust of steam turbine |
| CN112903168B (en) * | 2021-01-25 | 2022-07-22 | 杭州汽轮机股份有限公司 | Method for rapidly monitoring axial thrust of steam turbine |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 Termination date: 20210105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |