CN207082035U - A kind of condensate polishing treatment control system - Google Patents
A kind of condensate polishing treatment control system Download PDFInfo
- Publication number
- CN207082035U CN207082035U CN201721259455.0U CN201721259455U CN207082035U CN 207082035 U CN207082035 U CN 207082035U CN 201721259455 U CN201721259455 U CN 201721259455U CN 207082035 U CN207082035 U CN 207082035U
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- China
- Prior art keywords
- control system
- polishing treatment
- condensate
- utility
- water quality
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Abstract
The utility model is related to a kind of condensate polishing treatment control system, including be arranged on for connect condensed water precision processing system and gland heater pipeline on water quality detection instrument, be connected with the water quality detection instrument controller, be arranged on for connecting condensate pump outlet and the executing agency on the pipeline of the condensed water precision processing system.Compared with prior art, it is controlled because condensed water precision processing system employs the utility model, achieves satisfied effect.Realize and automatically control, significantly reduce the fault rate of control system, and it is easy to maintenance, it is easy to use, reach property indices.
Description
Technical field
The application is related to control device technical field, and in particular to a kind of condensate polishing treatment control system.
Background technology
Condensed water precision processing system is at a kind of distinctive water generally used in current Large Copacity, high parameter generating set
Reason mode, its main purpose are to remove metallic corrosion products and the micro dissolubility salt in condensate.Condensate water accounts for
95% or so of boiler feed capacity, condensate water quality largely determines feedwater quality, therefore condensate water quality is good
The bad safe operation problem for being directly connected to boiler of power plant, steam turbine.
It is always a problem in terms of fired power generating unit process control to condense water management, and its outstanding behaviours is in condenser water level
Influenced each other between deaerator level larger；And by confluent, spray water flux, condense the external disturbance such as pump discharge pressure compared with
Greatly；The system lags big, low-response simultaneously, in setting parameter, many uncertain disturbing factors be present.Condensate polishing treatment
Involved control system scale is big, and technological process is complicated, and device distribution is also more scattered, is a multivariable, multiloop, big
The complication system of hysteresis.Interlocked relationship between the front and rear process of condensate polishing treatment be present, some on-line checking instruments exist stagnant
Afterwards, the problems such as error, and control process is ofer short duration, so as to cause the real-time of control and precision to be difficult to hold.It is existing
Control system fault rate is higher, complicated, and it is more difficult to safeguard, it is difficult to widely uses.
Utility model content
For the above situation, to solve the defect of prior art, the utility model, which provides a kind of simple in construction, maintenance, to be held
Easily, the relatively low condensate polishing treatment control system of fault rate, including be arranged on for connecting condensed water precision processing system and axle envelope
Water quality detection instrument on the pipeline of heater, the controller being connected with the water quality detection instrument, be arranged on it is solidifying for connecting
Bear water pump discharge and the executing agency on the pipeline of the condensed water precision processing system.
Further, the controller is PID controller.
Further, the water quality detection instrument includes PH analyzers, temperature thermocouple, conductivity meter, flow pick-up
One or more in device.
Further, the executing agency includes valve.
By the technical scheme of above-described embodiment, compared with prior art, because condensed water precision processing system employs this
Utility model is controlled, and achieves satisfied effect.Realize and automatically control, significantly reduce the fault rate of control system,
And it is easy to maintenance, it is easy to use, reach property indices.
Brief description of the drawings
Feature and advantage of the present utility model can be more clearly understood by reference to accompanying drawing, accompanying drawing be schematically without
It is interpreted as carrying out any restrictions to the utility model, in the accompanying drawings：
Fig. 1 is a kind of structural representation of condensate polishing treatment control system in the utility model some embodiments；
Fig. 2 is a kind of structural representation of condensate polishing treatment control system in the utility model some embodiments.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
New to be different from other modes described here using other to implement, therefore, the scope of protection of the utility model is simultaneously
Do not limited by following public specific embodiment.
The utility model improves unit utilization rate to realize, shortens the unit starting time, saves payment for initiation and uses, reduces machine
Group Chemical cleaning number, enhancing unit resist the important realistic meanings such as the protective capability of condenser leakage, reduce control system
Complexity, less trouble is realized, it is easy to maintain.As shown in Figure 1, there is provided a kind of condensate polishing treatment control system 100, including
Be arranged on for connect condensed water precision processing system 200 and gland heater 300 pipeline on water quality detection instrument 110, with
The controller 120 of the connection of water quality detection instrument 110, it is arranged on for connecting condensate pump outlet 400 and the condensate
Executing agency 130 on the pipeline of precision processing system 200.Control flow is conventional handling process in controller noted above 120, i.e.,
By measurement amount compared with set amount generation control signal；Specifically, the water quality detection instrument 110 detects water quality signal
Afterwards, transmit a signal to the controller 120, the controller 120 by signal compared with setting value, then described in control
Executing agency 130 works, for example, the executing agency 130 is valve (electric control valve), by controlling the folding of the valve,
So as to realize the flow velocity and flow of condensate that control entered in the condensed water precision processing system 200, condensed so as to control
The result of crystal's processing.
In order to realize accurate control and many reference amounts integrative control, the controller 120 can be PID controller, pass through routine
Pid algorithm realize control.
In order to be controlled to the different kinds of parameters of the condensate after processing, the water quality detection instrument 110 is analyzed including PH
One or more in instrument, temperature thermocouple, conductivity meter, flow transmitter.
Realized and automatically controlled by the condensate polishing treatment control system 100 in the utility model, significantly reduce control
The fault rate of system processed, and it is easy to maintenance, it is easy to use, reach property indices.
The control system in the utility model is illustrated below by Fig. 2, a kind of condensate polishing treatment control system,
Including PID controller (5), it is characterised in that PID controller (5) is connected with water quality monitoring instrument (6), executing agency (5), condenses
Crystal handles control system (2) and is connected with condensate pump outlet (1), gland heater (3).
Water quality monitoring instrument is using elements such as PH analyzers, temperature thermocouple, conductivity meter, flow transmitters.Pass through
Measure at filter outlet pH value, Fe, Cu, SiO in condensate2, suspension etc. content, and convert it into the mould for standard
Analog quantity signal is sent into DCS or PLC I/O fasteners.The each signal collected is transferred to PID controller as regulated value again
In, after measured value is calculated and compared with setting value, control signal corresponding to output to executing agency or valve.One more than
The circulate operation process of series completes the control task of condensed water precision processing system.
In the utility model, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that referring to
Show or imply relative importance.Term " multiple " refers to two or more, is limited unless otherwise clear and definite.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (4)
1. a kind of condensate polishing treatment control system, it is characterised in that be used to connect condensed water precision processing system including being arranged on
With the water quality detection instrument on the pipeline of gland heater, the controller being connected with the water quality detection instrument, be arranged on and be used for
Connect condensate pump outlet and the executing agency on the pipeline of the condensed water precision processing system.
2. condensate polishing treatment control system according to claim 1, it is characterised in that the controller is PID control
Device.
3. condensate polishing treatment control system according to claim 1, it is characterised in that the water quality detection instrument includes
One or more in PH analyzers, temperature thermocouple, conductivity meter, flow transmitter.
4. condensate polishing treatment control system according to claim 1, it is characterised in that the executing agency includes valve
Door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721259455.0U CN207082035U (en) | 2017-09-28 | 2017-09-28 | A kind of condensate polishing treatment control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721259455.0U CN207082035U (en) | 2017-09-28 | 2017-09-28 | A kind of condensate polishing treatment control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207082035U true CN207082035U (en) | 2018-03-09 |
Family
ID=61419302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721259455.0U Expired - Fee Related CN207082035U (en) | 2017-09-28 | 2017-09-28 | A kind of condensate polishing treatment control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207082035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045596A (en) * | 2019-05-13 | 2019-07-23 | 中冶南方都市环保工程技术股份有限公司 | Condensate polishing control system and method |
-
2017
- 2017-09-28 CN CN201721259455.0U patent/CN207082035U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045596A (en) * | 2019-05-13 | 2019-07-23 | 中冶南方都市环保工程技术股份有限公司 | Condensate polishing control system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180309 |
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| CF01 | Termination of patent right due to non-payment of annual fee |