CN220017338U - Deaerator exhaust steam recovery heating control device - Google Patents
Deaerator exhaust steam recovery heating control device Download PDFInfo
- Publication number
- CN220017338U CN220017338U CN202321501602.6U CN202321501602U CN220017338U CN 220017338 U CN220017338 U CN 220017338U CN 202321501602 U CN202321501602 U CN 202321501602U CN 220017338 U CN220017338 U CN 220017338U
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- CN
- China
- Prior art keywords
- deaerator
- control device
- water
- exhaust steam
- heating control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 29
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000007789 gas Substances 0.000 claims abstract description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 5
- 239000008234 soft water Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Degasification And Air Bubble Elimination (AREA)
Abstract
The utility model relates to the technical field of boiler deaerators, and particularly discloses a deaerator exhaust steam recovery heating control device, which comprises a deaerator (1) for removing oxygen and other non-condensable gases in boiler feed water, wherein a steam inlet of the deaerator (1) is communicated with an outlet of a sub-cylinder (4) through a main steam pipeline; the water inlet end of the deaerator (1) is communicated with the water tank (2) through a pipeline. The device has a simple structure, saves energy and solves the problem of large water temperature fluctuation of the deaerator (1).
Description
Technical Field
The utility model relates to the technical field of boiler deaerators, in particular to a deaerator exhaust steam recovery heating control device.
Background
To prevent corrosion of the thermodynamic equipment and its piping, dissolved oxygen and other gases dissolved in the boiler feedwater are typically removed to ensure safe operation and long service life of the thermodynamic equipment. The principle of thermal deoxygenation produced by deoxygenator manufacturers is henry's law and daltons law, and the higher the temperature of water, the lower the solubility of various gases dissolved in water under a certain pressure. When the steam is used to heat the water supply to the saturation temperature under the corresponding pressure, the partial pressure of the steam is close to the full pressure on the water surface, and the partial pressure of various gases dissolved in the water is close to zero, so that the water does not have the capability of dissolving the gases, and the gases dissolved in the water are separated out, thereby cleaning oxygen and other gases in the water.
The dissolved oxygen in boiler feed water can lead to the oxidation corrosion of boiler and relevant equipment, in order to prevent the emergence of this kind of phenomenon, the deaerator that adopts at present mostly directly empties current scattered steam, and the extravagant energy to current deaerator can not realize full automaticly, and temperature control's fluctuation is great.
Disclosure of Invention
The utility model aims to provide a deaerator exhaust steam recovery heating control device, which adjusts the water temperature in the deaerator through an auxiliary heating pipe, and exchanges heat with water in a soft water tank by utilizing the heat of scattered steam, so as to achieve the effects of collecting the scattered steam and recovering and heating again; the device has simple structure, saves energy and solves the problem of large water temperature fluctuation of the deaerator.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a deaerator exhaust steam recovery heating control device, which comprises a deaerator for removing oxygen and other non-condensable gases in boiler feed water, wherein a steam inlet of the deaerator is communicated with an outlet of a branch cylinder through a main steam pipeline; the water inlet end of the deaerator is communicated with the water tank through a pipeline.
Specifically, the deaerator is also connected with an auxiliary heating pipe, and the auxiliary heating pipe is communicated with the main steam pipeline.
Specifically, an electric regulating valve is arranged on the auxiliary heating pipe and is electrically connected with the control system.
Specifically, the deaerator is installed and detects the thermometer of inside temperature, the thermometer is connected with control system electricity.
Specifically, the top of the deaerator is provided with a safety valve for preventing the internal pressure of the deaerator from being superpressure.
Specifically, one end of the water tank is also communicated with the blowdown cooling pond.
Based on the technical scheme, the embodiment of the utility model at least has the following technical effects:
according to the deaerator exhaust steam recovery heating control device, scattered steam of the deaerator is connected into the soft water tank of the boiler, and the heat of the scattered steam is utilized to exchange heat with water of the soft water tank, so that the scattered steam is collected, the heating effect is recovered again, and the purpose of saving energy is achieved; and an electric regulating valve is arranged, automatic regulation is carried out according to the temperature of the deaerator, and all steam is fully contacted with water in the deaerator, so that full automation can be realized by saving energy, and the problem of large water temperature fluctuation of the deaerator is solved.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment of the present utility model;
in the figure: 1. a deaerator; 2. a water tank; 3. a sewage discharge cooling pool; 4. a split cylinder; 5. an auxiliary heating pipe; 6. a safety valve.
Description of the embodiments
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. The described embodiments are only some, but not all, embodiments of the utility model, and the utility model is described in further detail below with reference to the accompanying drawings.
As shown in FIG. 1, the deaerator exhaust steam recovery heating control device provided by the embodiment of the utility model comprises a deaerator 1 for removing oxygen and other non-condensable gases in boiler feed water, wherein a steam inlet of the deaerator 1 is communicated with an outlet of a sub-cylinder 4 through a main steam pipeline; the water inlet end of the deaerator 1 is communicated with the water tank 2 through a pipeline.
In this embodiment, the deaerator 1 is further connected with an auxiliary heating pipe 5, the auxiliary heating pipe 5 is communicated with the main steam pipe, and specifically, an electric control valve is arranged on the auxiliary heating pipe 5, and the electric control valve is electrically connected with a control system; the opening and closing of the electric regulating valve is regulated by the control system to control the steam inlet amount, thereby controlling the water temperature in the deaerator 1.
In the embodiment, the deaerator 1 is provided with a thermometer for detecting the internal water temperature, and the thermometer is electrically connected with a control system; the temperature data are transmitted to the control system by monitoring the water temperature inside the deaerator 1 through the thermometer, the control system automatically adjusts the opening degree of the electric valve according to the water temperature data of the deaerator 1, the opening degree of the electric valve is larger when the water temperature of the deaerator 1 is lower, and the opening degree of the electric valve is gradually reduced when the water temperature of the deaerator 1 is higher than or close to 104 ℃, so that the water temperature of the deaerator 1 is automatically controlled to be about 104 ℃.
In this embodiment, a safety valve 6 is disposed at the top of the deaerator 1 to prevent the pressure inside the deaerator 1 from being over-pressurized, and when the pressure reaches the set value of the safety valve 6, the safety valve 6 automatically starts to jump.
In this embodiment, the main steam pipe and the deaerator 1 are further provided with a pressure gauge device for displaying the system pressure and observing whether the pressure is within the normal working pressure range of the deaerator 1.
In this embodiment, one end of the elbow pipe in the water tank 2 is also communicated with the blowdown cooling tank 3, the elbow pipe in the water tank 2 has the function of increasing the heat exchange effect of the scattered steam, so as to fully utilize the heat energy of the scattered steam, and the condensed water after heat exchange in the elbow pipe in the water tank 2 is discharged into the blowdown cooling tank.
According to the deaerator exhaust steam recovery heating control device, scattered steam of the deaerator 1 is connected into the soft water tank 2 of the boiler, the heat of the scattered steam is utilized to exchange heat with water in the soft water tank 2, the scattered steam is collected, the heating effect is recovered again, the purpose of saving energy is achieved, the water after oxygen removal is discharged through the deaerator and enters the boiler feed pump to enter the boiler through the feed pump in a pressurized mode, an electric regulating valve is arranged, automatic regulation is carried out according to the temperature of the deaerator 1, all the steam is fully contacted with water in the deaerator 1, the energy can be saved, and the problem of large water temperature fluctuation of the deaerator 1 is solved.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The deaerator exhaust steam recovery heating control device comprises a deaerator (1) for removing oxygen and other non-condensable gases in boiler feed water, and is characterized in that a steam inlet of the deaerator (1) is communicated with an outlet of a sub-cylinder (4) through a main steam pipeline; the water inlet end of the deaerator (1) is communicated with the water tank (2) through a pipeline.
2. The deaerator exhaust steam recovery heating control device according to claim 1, wherein the deaerator (1) is further connected with an auxiliary heating pipe (5), and the auxiliary heating pipe (5) is communicated with a main steam pipeline.
3. The deaerator exhaust steam recovery heating control device according to claim 2, wherein an electric regulating valve is arranged on the auxiliary heating pipe (5), and the electric regulating valve is electrically connected with a control system.
4. A deaerator exhaust steam recovery heating control device according to claim 3, characterized in that the deaerator (1) is provided with a thermometer for detecting the internal water temperature, and the thermometer is electrically connected with a control system.
5. The deaerator exhaust steam recovery heating control device according to claim 1, wherein a safety valve (6) is arranged at the top of the deaerator (1) to prevent the internal pressure of the deaerator (1) from being superpressure.
6. The deaerator exhaust steam recovery heating control device according to claim 1, wherein one end of the water tank (2) is also communicated with the blowdown cooling pond (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321501602.6U CN220017338U (en) | 2023-06-13 | 2023-06-13 | Deaerator exhaust steam recovery heating control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321501602.6U CN220017338U (en) | 2023-06-13 | 2023-06-13 | Deaerator exhaust steam recovery heating control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220017338U true CN220017338U (en) | 2023-11-14 |
Family
ID=88692326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321501602.6U Active CN220017338U (en) | 2023-06-13 | 2023-06-13 | Deaerator exhaust steam recovery heating control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220017338U (en) |
-
2023
- 2023-06-13 CN CN202321501602.6U patent/CN220017338U/en active Active
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| GR01 | Patent grant |