CN216591677U - Deaerator exhaust steam recovery device - Google Patents
Deaerator exhaust steam recovery device Download PDFInfo
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- CN216591677U CN216591677U CN202123036883.6U CN202123036883U CN216591677U CN 216591677 U CN216591677 U CN 216591677U CN 202123036883 U CN202123036883 U CN 202123036883U CN 216591677 U CN216591677 U CN 216591677U
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- 238000011084 recovery Methods 0.000 title claims abstract description 31
- 230000001105 regulatory effect Effects 0.000 claims abstract description 43
- 238000000605 extraction Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 14
- 239000001301 oxygen Substances 0.000 description 14
- 229910052760 oxygen Inorganic materials 0.000 description 14
- 239000003245 coal Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
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Abstract
The utility model relates to a deaerator exhaust steam recovery device, which comprises a device body and a controller, wherein the controller is connected with the device body; the device body is provided with a deaerator steam exhaust interface, an atmosphere interface, a drain interface and a low-pressure heater steam extraction interface, and a steam inlet pipeline, an atmosphere pipeline, a drain pipeline and a steam outlet pipeline are arranged in the device body; the steam inlet pipeline, the atmosphere pipeline, the drain pipeline and the steam outlet pipeline are respectively provided with a regulating valve, a steam discharging valve, a drain valve and a regulating valve, the steam inlet pipeline or the steam outlet pipeline is provided with a regulating valve, the steam inlet pipeline is provided with a pressure sensor and a temperature sensor, and the regulating valve, the steam discharging valve, the drain valve, the regulating valve, the pressure sensor and the temperature sensor are all connected with the controller. Compared with the prior art, the utility model introduces the exhaust steam of the deaerator into the steam inlet side of the low-pressure heater, recovers the exhaust steam of the deaerator, has low equipment cost, avoids waste and pollution of air exhaust, and has good energy-saving and consumption-reducing effects.
Description
Technical Field
The utility model relates to the technical field of exhaust steam recycling of deaerators, in particular to an exhaust steam recycling device of a deaerator.
Background
The deaerator is one of key equipment of a boiler and a heating system, and mainly has the functions of removing oxygen and other gases in boiler feed water and ensuring the quality of the feed water. The deaerator heats the feed water by using the steam, so that the partial pressure of the steam on the water surface of the feed water is gradually increased, and the partial pressure of the dissolved gas is gradually reduced, thereby reducing the oxygen content of the feed water. After the oxygen removal, the oxygen and the uncondensed gas need to be exhausted, and part of steam in the oxygen remover is exhausted. At present, a plurality of domestic power plants mostly adopt direct air discharge for deaerator exhaust, so that not only is heat waste caused, but also noise is generated to pollute the working environment. Some power plants adopt a mode of adding an injection pump to suck exhaust steam and then carry out industrial heat supply, but the mode needs to add consumption equipment, and the system is relatively complex and the equipment investment is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an exhaust steam recovery device of a deaerator.
The purpose of the utility model can be realized by the following technical scheme:
a deaerator exhaust steam recovery device comprises a device body and a controller;
the device body is provided with a deaerator steam exhaust interface, an atmosphere interface, a drain interface and a low-pressure heater steam extraction interface, and a steam inlet pipeline, an atmosphere pipeline, a drain pipeline and a steam outlet pipeline are arranged in the device body; the inlet of the steam inlet pipeline is communicated with a steam exhaust interface of the deaerator; the inlet and the outlet of the atmospheric pipeline are respectively communicated with the steam exhaust interface and the atmospheric interface of the deaerator; the inlet and the outlet of the drainage pipeline are respectively communicated with the outlet of the steam inlet pipeline and the drainage interface; the inlet and the outlet of the steam exhaust pipeline are respectively communicated with the outlet of the steam inlet pipeline and the steam extraction interface of the low-pressure heater;
the steam inlet pipeline, the atmosphere pipeline, the drain pipeline and the steam outlet pipeline are respectively provided with an inlet regulating valve, a steam exhaust valve, a drain valve and an outlet regulating valve, the steam inlet pipeline or the steam outlet pipeline is provided with a regulating valve, and the steam inlet pipeline is provided with a pressure sensor and a temperature sensor;
the inlet regulating valve, the steam exhaust valve, the drain valve, the outlet regulating valve, the pressure sensor and the temperature sensor are all connected with the controller.
Furthermore, a manual switch is arranged on the controller and connected with the adjusting valve, the steam exhaust valve, the drain valve, the adjusting valve and the regulating valve for controlling the adjusting valve, the steam exhaust valve, the drain valve, the adjusting valve and the regulating valve.
The device further comprises a state acquisition unit, wherein the state acquisition unit is connected with the controller and is used for acquiring working parameters of the deaerator and the low-pressure heater.
Furthermore, the intelligent alarm device also comprises an alarm unit, wherein the alarm unit is connected with the controller and used for sending out alarm information.
Further, a communication interface is integrated on the controller.
Further, the device also comprises a storage unit, and the storage unit is connected with the controller.
Further, a display screen is integrated on the controller.
Furthermore, the device also comprises a power supply, and the power supply is used for supplying power to the deaerator steam exhaust recovery device.
Furthermore, the regulating valve is arranged on the steam inlet pipeline, and the temperature sensor is arranged at the outlet of the steam inlet pipeline.
Furthermore, the steam-exhaust steam-.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the exhaust steam of the deaerator is introduced into the steam inlet side of the low-pressure heater, the exhaust steam of the deaerator is recovered, the equipment cost is low, the waste and the pollution of the air exhaust are avoided, and the energy-saving and consumption-reducing effects are good.
(2) The steam inlet pipeline is arranged on the pressure sensor and the temperature sensor, the steam inlet pressure is monitored through the pressure sensor, the drainage temperature is monitored through the temperature sensor, whether drainage is sufficient can be judged, and therefore steam exhaust of the deaerator is switched from exhaust to atmosphere to recovery to the steam inlet side of the low-pressure heater.
(3) The pressure sensor monitors the steam inlet pressure, can flexibly control the opening of the regulating valve according to the steam inlet pressure and maintain the pressure difference between the steam inlet pressure and the steam extraction pressure of the low-pressure heater.
Drawings
FIG. 1 is a schematic structural view of the present invention;
reference numerals are as follows: 1. the device comprises a device body, 2, a controller, 02, an atmosphere interface, 03, a drainage interface, 04, a low-pressure heater steam extraction interface, 11, a steam inlet pipeline, 12, an atmosphere pipeline, 13, a drainage pipeline, 14, a steam outlet pipeline, 01, a deaerator steam exhaust interface, K1, a regulating valve, K2, a steam exhaust valve, K3, a drainage valve, K4, a regulating valve, F1, a regulating valve, C1, a pressure sensor of the steam inlet pipeline, C2, a temperature sensor, C3 and a pressure sensor of the steam inlet side of the low-pressure heater.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. Parts are exaggerated in the drawing where appropriate for clarity of illustration.
Example 1:
a deaerator steam exhaust recovery device comprises a device body 1 and a controller 2.
As shown in fig. 1, a deaerator steam exhaust interface 01, an atmosphere interface 02, a drainage interface 03 and a low-pressure heater steam extraction interface 04 are arranged on a device body 1, the deaerator steam exhaust interface 01 is used for being connected with a deaerator of a unit, the low-pressure heater steam extraction interface 04 is used for being connected with a low-pressure heater of the unit, the atmosphere interface 02 is communicated with the atmosphere, and the drainage interface 03 is used for being communicated with a condensed water system; the device body 1 is internally provided with a steam inlet pipeline 11, an atmospheric pipeline 12, a drain pipeline 13 and a steam outlet pipeline, wherein the inlet of the steam inlet pipeline 11 is communicated with a deaerator steam exhaust interface 01, and the inlet and the outlet of the atmospheric pipeline 12 are respectively communicated with the deaerator steam exhaust interface 01 and an atmospheric interface 02; the inlet and the outlet of the steam drainage pipeline 13 are respectively communicated with the outlet of the steam inlet pipeline 11 and the steam drainage interface 03, and the inlet and the outlet of the steam exhaust pipeline 14 are respectively communicated with the outlet of the steam inlet pipeline 11 and the steam extraction interface 04 of the low-pressure heater.
As shown in fig. 1, an inlet valve K1, an outlet valve K2, a drain valve K3 and an outlet valve K4 are respectively arranged on the steam inlet pipeline 11, the atmosphere pipeline 12, the drain pipeline 13 and the steam outlet pipeline, an adjusting valve F1 is arranged on the steam inlet pipeline 11 or the steam outlet pipeline, and a pressure sensor C1 and a temperature sensor C2 are arranged on the steam inlet pipeline 11; the adjusting valve K1, the steam exhaust valve K2, the drain valve K3, the adjusting valve K4, the regulating valve F1, the pressure sensor C1 and the temperature sensor C2 are all connected with the controller 2.
The pressure sensor C1 is used for measuring the steam inlet pressure, the temperature sensor C2 is used for measuring the drain temperature, the adjusting valve F1 is arranged on the steam inlet pipeline 11 to better adjust the steam inlet pressure, and the temperature sensor C2 is arranged at the outlet of the steam inlet pipeline 11 to better measure the drain temperature.
The deaerator steam exhaust recovery device further comprises a state acquisition unit, wherein the state acquisition unit is connected with the controller 2 and used for acquiring working parameters of the deaerator and the low-pressure heater, such as water supply dissolved oxygen in the deaerator, the water level of the low-pressure heater, the steam inlet temperature of the low-pressure heater, the steam extraction pressure of the low-pressure heater and the like. Controller 2 may better control, in conjunction with these operating parameters, trim valve K1, exhaust valve K2, trap valve K3, trim valve K4, and regulator valve F1. The controller 2 can be directly connected with a DCS control system of the unit, and data such as water supply and dissolved oxygen in the deaerator, the water level of the low-pressure heater, the steam inlet temperature of the low-pressure heater, the steam extraction pressure of the low-pressure heater and the like can be obtained from the DCS control system. In this embodiment, part of the parameters are obtained from the DCS control system, and a measurement element may be provided, and a pressure sensor C3 for detecting the extraction pressure is provided on the steam inlet side of the low pressure heater and connected to the controller 2, so that the extraction pressure of the low pressure heater can be obtained.
The controller 2 is provided with a manual switch which is connected with the adjusting valve K1, the steam exhaust valve K2, the drain valve K3, the adjusting valve K4 and the regulating valve F1 and used for controlling the adjusting valve K1, the steam exhaust valve K2, the drain valve K3, the adjusting valve K4 and the regulating valve F1, in addition, a device starting switch, a device stopping switch, a reset switch and the like are arranged, a prompting lamp can be added, and related practitioners can design the device according to understanding. On the one hand, the controller 2 has a software control unit built therein, and can control the inlet valve K1, the exhaust valve K2, the steam trap K3, the outlet valve K4, and the regulating valve F1 according to a set program, and on the other hand, an experienced operator can manually control the inlet valve K1, the exhaust valve K2, the exhaust valve K3, the outlet valve K4, and the regulating valve F1.
The deaerator steam exhaust recovery device further comprises a power supply, and the power supply is used for supplying power to the deaerator steam exhaust recovery device.
The deaerator steam exhaust recovery device further comprises a storage unit, the storage unit is connected with the controller 2, relevant parameters can be stored, such as parameters acquired by the state acquisition unit, measurement data of the pressure sensor C1 and measurement data of the temperature sensor C2, and the switching states of the inlet valve K1, the steam exhaust valve K2, the drain valve K3, the outlet valve K4 and the regulating valve F1 are adjusted.
The controller 2 is integrated with a communication interface, which is convenient for the controller 2 to perform data interaction and information transmission with other devices. The controller 2 is integrated with a display screen, and a visual display interface is provided. If the controller 2 can be remotely connected with the DCS of the unit, the remote DCS operation replaces the operation on the controller 2 through a manual switch, and parameters such as water supply and dissolved oxygen data, low water adding level, low steam adding temperature and the like can be directly obtained from the DCS through the communication interface.
The device body 1 is connected with the deaerator and the low-pressure heater through the first connecting pipe and the second connecting pipe, one end of the first connecting pipe is matched with a steam outlet of the deaerator, the other end of the first connecting pipe is matched with a steam outlet interface 01 of the deaerator, one end of the second connecting pipe is matched with a steam extraction port of the low-pressure heater, and the other end of the second connecting pipe is matched with a steam extraction port 04 of the low-pressure heater.
In this embodiment, the application is applied to the unit No. 2 of the plant, and the exhaust steam of the deaerator of the unit is introduced into the low-pressure heater 6#, low plus 6 for short.
When the unit is stopped or is initially started, the regulating valve K1 is closed, the exhaust valve K2 is opened, the exhaust steam of the deaerator flows into the atmosphere pipeline 12 from the deaerator exhaust steam interface 01, the atmosphere is directly exhausted from the atmosphere interface 02, and the normal water supply and dissolved oxygen are ensured.
Under the automatic control mode, when the unit normally operates, the heating pipe is drained firstly, the controller 2 works, the adjusting valve K1 is opened, the exhaust valve K2 is opened, the drain valve K3 is opened, the adjusting valve K4 is closed, the exhaust steam of the deaerator flows into the atmosphere pipeline 12 and the steam inlet pipeline 11 from the deaerator exhaust steam interface 01, the drain after the exhaust steam is condensed is converged into the condensed water system from the drain pipeline 13, the heating pipe is drained, and heat and demineralized water can be saved. And monitoring a pressure sensor C1 and a temperature sensor C2 in the steam inlet pipeline 11, wherein the pressure sensor C1 measures the steam inlet pressure, the temperature sensor C2 measures the drainage temperature, and when the drainage temperature is higher than the saturation temperature of the steam inlet pressure by more than 5 ℃, the drainage is sufficient, namely the drainage of the heating pipe is finished. Then, the steam exhaust valve K2 and the steam trap K3 are closed, the adjusting valve K4 is opened, and the switching of the steam exhaust of the deaerator from the exhaust to the atmosphere to the recovery to the low-plus-6 steam inlet side is completed. After the switching is completed, the controller 2 obtains the extraction pressure P1 of low plus 6, obtains the inlet pressure P2 measured by the pressure sensor C1, and controls the opening degree of the regulating valve F1, so that the P2 is slightly higher than the P1 by 0-0.1 MPa, and controls the opening degree of the regulating valve F1 in this embodiment, so that the differential pressure between the two is 0.02-0.0.4 MPa. During actual operation, the pressure difference between the steam inlet pressure and the steam extraction pressure can be set according to requirements, so that the steam inlet pressure is higher than the steam extraction pressure.
Meanwhile, after the steam exhaust of the deaerator is switched to be recovered to the low steam inlet side with 6 from the exhaust to the atmosphere, parameters such as water supply dissolved oxygen data, low water adding level, low steam adding temperature and the like are monitored through the state acquisition unit, when the parameters are abnormal, pressure difference control is ignored, control of the regulating valve F1 is preferentially carried out according to abnormal conditions, and the steam exhaust amount of the deaerator is changed.
Under the manual control mode, when the unit normally operates, an operator judges whether drainage is sufficient, the manual switch adjusts an inlet valve K1, a steam exhaust valve K2, a drain valve K3 and an outlet valve K4 to switch the steam exhaust of the deaerator from the exhaust to the atmosphere to the recovery to the low steam inlet side with 6, then the opening of an adjusting valve F1 is manually controlled, the pressure difference between the steam inlet pressure and the steam extraction pressure is controlled, and the normal oxygen dissolution of water supply is ensured.
In addition, the deaerator steam exhaust recovery device further comprises an alarm unit, and the alarm unit is connected with the controller 2 and used for sending alarm information. If the working parameters acquired by the inspection state acquisition unit are abnormal, alarm information can be sent out, or the measurement data of the pressure sensor C1 and the temperature sensor C2 are monitored, and alarm information, such as sound and light alarm and the like, can be sent out after the abnormality is found. If the parameters of the water supply dissolved oxygen, the low-pressure water level, the low-pressure temperature and the like exceed the limits abnormally, if the dissolved oxygen exceeds the limits, the water level of the low-pressure water level of the 6-plus-6 rises abnormally, the steam extraction temperature of the low-pressure water level of the 6-plus-6 drops greatly and the like, an alarm is sent out to remind an operator to take measures, the control regulating valve F1 is locked to prevent the parameters from further exceeding the limits, and the pressure difference control is recovered after the data is recovered to be normal; if the parameters further exceed the stop limit, the protection action is triggered as an accident working condition, the exhaust valve K2 is opened, and the exhaust of the deaerator is switched back to the exhaust atmosphere.
The control and protection of the software level are both performed based on the safe operation of the unit, and can be reasonably adjusted according to different practical application situations, and related practitioners can understand that the details are not repeated herein.
The application provides a deaerator steam extraction recovery unit directly discharges the steam extraction of original deaerator to the atmosphere or uses the jet pump to retrieve the mode of retrieving to the heat supply and change into: the steam discharged by the deaerator is introduced into a steam inlet side pipeline of the low-pressure heater, the discharged steam is recycled in the running process of the unit, and the enthalpy value of the condensed water is improved by the condensed water of the unit in the low-pressure heater.
Taking the unit No. 2 of the plant as an example:
under the working condition of 80% THA (the load is about 250MW), the steam discharge flow Q of the deaerator of the machine No. 2 is about 0.25t/h, the steam discharge of the deaerator is reduced to 6 steam inlet pressure p1:0.279MPa (absolute pressure), the steam inlet temperature t1:188 ℃, and the corresponding enthalpy value h1 is 2842.36 kJ/kg; the low pressure p2:0.123MPa (absolute pressure), the low hydrophobic temperature t2:97.3 ℃ of the low pressure 6, the corresponding enthalpy h 2: 407.74kJ/kg, and the heat consumption q which can be saved in each hour is calculated as:
q＝Q(h1-h2)＝850×(2842.36-407.74)＝2069427kJ/h
the saved unit standard coal consumption can be calculated by the working condition of standard coal heat value 29307kJ/kg and load 250MW as follows:
m＝q/(29307×250000)×100＝0.028g/kwh
taking the annual generated energy g of the unit No. 2 in 2020 of the power plant as 1676920000kwh and the annual utilization hours t of the unit as 7546h as examples, the coal amount M which can be saved per year is:
M＝m×g×t＝0.028×1676920000/1000000＝47.36t
taking the average standard coal unit price of the current power plant for purchasing coal types as an example, the fuel cost W1 that can be saved in one year is calculated as:
w1-mx 1000-4.736 ten thousand yuan
Simultaneously, the deaerator exhaust steam recovery also can practice thrift the demineralized water to 17 yuan of demineralized water cost/ton calculation that can practice thrift of the present chemistry statistics of power plant make water cost W2 be:
w2 ═ 0.85 × 7546 × 17 ═ 10.904 ten thousand yuan
The total cost savings for the plant W3 is:
w3 ═ W1+ W2 ═ 4.736+10.904 ═ 15.64 ten thousand yuan:
therefore, the cost for saving the power plant in one year after the transformation reaches more than 15.64 ten thousand, and the project transformation cost is only within 10 ten thousand, so that the expected effects of energy conservation and consumption reduction after the transformation are completely achieved.
In terms of complexity, the present application is simple in construction, the control logic is easy to implement, and the investment cost is much less than the way in which the jet pump is to be added.
From the economic aspect, this application can reduce a certain amount of power plant power supply coal consumption, practices thrift a part of power plant fuel cost, still saves power plant demineralized water system water cost simultaneously, from the power plant present implementation, these two expenses of saving add up and just can the recovery unit cost very fast, and the recovery cycle is less than general project far away.
From the aspect of safety, this application adopts the automatic pressure regulating mode, and normal operating is at ordinary times because the deaerator steam extraction pressure itself changes just more steadily with drawing steam pressure, so controller 2 control governing valve F1 carries out the pressure regulating and can realize automatically completely. Meanwhile, the monitoring of parameters such as water supply and dissolved oxygen data, low water adding level, low steam adding temperature and the like of the unit is realized through the state acquisition unit, the opening degree of the regulating valve F1 can be preferentially controlled according to parameter conditions, and the steam discharge quantity of the deaerator is controlled. When drainage is sufficient, automatic switching can be performed to the recovery to the low steam inlet side, and the exhaust atmosphere mode can be automatically switched in the starting and stopping state or the accident state, so that the safe and stable operation of the unit is not affected completely. Besides automatic control, the system can be controlled by an operator through a manual switch, and the reliability is higher.
The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The deaerator exhaust steam recovery device is characterized by comprising a device body and a controller;
the device body is provided with a deaerator steam exhaust interface, an atmosphere interface, a drain interface and a low-pressure heater steam extraction interface, and a steam inlet pipeline, an atmosphere pipeline, a drain pipeline and a steam outlet pipeline are arranged in the device body; the inlet of the steam inlet pipeline is communicated with a steam exhaust interface of the deaerator; the inlet and the outlet of the atmospheric pipeline are respectively communicated with the steam exhaust interface and the atmospheric interface of the deaerator; the inlet and the outlet of the drainage pipeline are respectively communicated with the outlet of the steam inlet pipeline and the drainage interface; the inlet and the outlet of the steam exhaust pipeline are respectively communicated with the outlet of the steam inlet pipeline and the steam extraction interface of the low-pressure heater;
the steam inlet pipeline, the atmosphere pipeline, the drain pipeline and the steam outlet pipeline are respectively provided with an inlet regulating valve, a steam exhaust valve, a drain valve and an outlet regulating valve, the steam inlet pipeline or the steam outlet pipeline is provided with a regulating valve, and the steam inlet pipeline is provided with a pressure sensor and a temperature sensor;
the inlet regulating valve, the steam exhaust valve, the drain valve, the outlet regulating valve, the pressure sensor and the temperature sensor are all connected with the controller.
2. The deaerator steam exhaust recovery device according to claim 1, wherein a manual switch is arranged on the controller, and the manual switch is connected with the inlet regulating valve, the steam exhaust valve, the drain valve, the outlet regulating valve and the regulating valve and used for controlling the inlet regulating valve, the steam exhaust valve, the drain valve, the outlet regulating valve and the regulating valve.
3. The deaerator steam exhaust recovery device according to claim 1, further comprising a state obtaining unit, wherein the state obtaining unit is connected with the controller and is used for obtaining working parameters of the deaerator and the low-pressure heater.
4. The deaerator steam exhaust recovery device according to claim 1, further comprising an alarm unit, wherein the alarm unit is connected with the controller and used for sending alarm information.
5. The deaerator steam exhaust recovery device of claim 1, wherein the controller is integrated with a communication interface.
6. The deaerator steam exhaust recovery device according to claim 1, further comprising a storage unit, wherein the storage unit is connected with the controller.
7. The deaerator steam exhaust recovery device as claimed in claim 1, wherein a display screen is integrated on the controller.
8. The deaerator steam exhaust recovery device of claim 1, further comprising a power source for supplying power to the deaerator steam exhaust recovery device.
9. The deaerator steam exhaust recovery device as claimed in claim 1, wherein the regulating valve is disposed on a steam inlet pipeline, and the temperature sensor is disposed at an outlet of the steam inlet pipeline.
10. The deaerator steam exhaust recovery device according to claim 1, further comprising a first connecting pipe and a second connecting pipe, wherein one end of the first connecting pipe is matched with a steam exhaust port of the deaerator, the other end of the first connecting pipe is matched with a steam exhaust port of the deaerator, one end of the second connecting pipe is matched with a steam extraction port of the low-pressure heater, and the other end of the second connecting pipe is matched with a steam extraction port of the low-pressure heater.
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| CN202123036883.6U CN216591677U (en) | 2021-12-06 | 2021-12-06 | Deaerator exhaust steam recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115929426A (en) * | 2022-10-28 | 2023-04-07 | 华电电力科学研究院有限公司 | Exhaust steam pressure control method for supercritical double-extraction back pressure unit steam turbine |
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2021
- 2021-12-06 CN CN202123036883.6U patent/CN216591677U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115929426A (en) * | 2022-10-28 | 2023-04-07 | 华电电力科学研究院有限公司 | Exhaust steam pressure control method for supercritical double-extraction back pressure unit steam turbine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jingcai Industry (Taicang) Co.,Ltd. Assignor: HUANENG TAICANG POWER GENERATION Co.,Ltd. Contract record no.: X2024980007118 Denomination of utility model: A deaerator exhaust steam recovery device Granted publication date: 20220524 License type: Common License Record date: 20240613 |