CN2729047Y - Water deoxygen device - Google Patents
Water deoxygen device Download PDFInfo
- Publication number
- CN2729047Y CN2729047Y CN 200420118712 CN200420118712U CN2729047Y CN 2729047 Y CN2729047 Y CN 2729047Y CN 200420118712 CN200420118712 CN 200420118712 CN 200420118712 U CN200420118712 U CN 200420118712U CN 2729047 Y CN2729047 Y CN 2729047Y
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- China
- Prior art keywords
- water
- valve
- seal tank
- boiler
- magnetic valve
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- 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.)
- Expired - Fee Related
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- Degasification And Air Bubble Elimination (AREA)
Abstract
The utility model relates to a boiler water deoxygenizing device, and belongs to the technical field of the energy source device. The device comprises a seal tank, a water inlet valve which is connected with the water inlet of the seal tank, a water outlet pump which is connected with the water outlet of the seal tank, a blowdown valve which is connected with the blowdown opening of the bottom of the seal tank, a magnetic valve which is connected with the exhaust outlet of the top part of the seal tank, an air water separating valve which is connected with the magnetic valve, and a vacuum meter which is connected with the upper part of the seal tank. The intake valve and the water outlet pump are respectively connected with a boiler water supplying pipeline. The boiler water enters into the device through the water inlet valve, and flows out from the water outlet pump to supply the boiler after deoxidation. The desorption gas flows out of the seal tank through the magnetic valve and the air water separating valve. The vacuum meter monitors the operating state. The water deoxygenizing device of the utility model causes the oxygen content in the water to be smaller than 0. 1mg/L when the boiler water is in stable operating condition, and effectively solves the oxygen corrosion problem.
Description
Technical field
The utility model belongs to the energy resource apparatus and technology field, particularly a kind of New-type boiler running water deoxidizing device.
Background technology
Dissolved oxygen in the feedwater normally causes heat power equipment corrosive major cause, and it can cause the oxygen corrosion between run duration and lay-off period of boiler and relevant device such as scatterer.For preventing and alleviate the oxygen corrosion of therrmodynamic system run duration, must carry out deoxygenation to oiler feed.Regulation feedwater dissolved oxygen content≤0.1mg/L during national Specification boiler nominal steam pressure≤1.6Mpa, dissolved oxygen content≤the 0.1mg/L of regulation feedwater when dissolved oxygen content≤0.05mg/L in regulation feedwater when vapor pressure is 1.6～2.5Mpa, hot water boiler rated output 〉=4.2Mw.Generally can adopt multiple mode deoxygenation, as: thermal de-aeration method, chemical deoxidizing, Deadsorbing and oxygen removing method, electrochemical deoxidization method and vacuum degassing process etc.Vacuum degassing process commonly used takes vapo(u)r blasting and jet of water method to obtain vacuum, but the equipment volume of these methods is big, and deaerating effect is poor when being used for normal temperature.
Therefore, adopt a kind of new method to obtain vacuum, utilize water boiling point lowering under vacuum condition, water reaches boiling point at normal temperatures, and oxygen is overflowed from water, thereby reaches the order ground of deoxygenation, and a kind of like this device has practical significance.
Summary of the invention
The purpose of this utility model is for overcoming the weak point of prior art, a kind of running water deoxidizing device is proposed, utilize water Gas Solubility when boiling state to extract water outward out with water pump and make jar interior deaeration in condenser that forms, to reach the boiler feed water deoxidation near zero characteristics.
A kind of running water deoxidizing device that the utility model proposes, comprise sealed can, the inlet valve that is connected with the water-in of sealing jar, what link to each other with the water outlet of sealing jar goes out water pump, the sewage draining valve that links to each other with sealing pot bottom sewage draining exit, the magnetic valve that links to each other with sealing tank top venting port, the gas-water separation valve that links to each other with this magnetic valve, the vacuum instrumentation that is connected with sealing jar top; This inlet valve with go out water pump and link to each other with the boiler replenishing water pipeline respectively.
Described device places boiler feed system, by water intaking valve and boiler replenishing water pipe coupling, draw water outward and form vacuum deaeration to boiler water supply in making jar through going out water pump, magnetic valve and gas-water separation valve are equipped with in sealed can top, and gas-water separation valve one end leads to atmosphere.
Above-mentioned each parts all can be selected known matured product for use.
The boiler feed water device for deoxidizing that the utility model proposes can make the oxygen meltage of boiler feed water remain on below the 0.1mg/L under the system works steady state, is up to state standards to guarantee the boiler feed water oxygen level.
Description of drawings
Fig. 1 is the utility model boiler feed water device for deoxidizing example structure synoptic diagram.
Embodiment
The boiler feed water device for deoxidizing that the utility model proposes comprises as Fig. 1, sealed can 1, water outlet and water pump 2, sewage draining exit and valve 3, water-in and valve 4, vacuum instrumentation 5, pneumatic outlet and magnetic valve 6, gas-water separation valve 7, boiler water supply pipeline 8, and the pipeline of each valve of connection.
The sealed can 1 of present embodiment is the tank body of the born pressure of steel, tank body links to each other with water-supply line by water-in and valve 4, offer system by water outlet and water pump 2 water with deoxidation, vacuum instrumentation 5 arrives the top of tank body 1 in order to a monitoring jar interior vacuum tightness by pipe connection, the air outlet the other end that magnetic valve 6 one ends are connected to sealed can 1 top is connected to gas-water separation valve 7.The bottom of tank body 1 is provided with sewage draining exit and valve 3, and valve 3 can discharge the impurity that is deposited in tank body 1 bottom when opening.Each advances, and outlet and valve and tank body all have good sealing to guarantee the acquisition and the maintenance of vacuum tightness.
Supplementary feed enters the sealed can 1 of this device by inlet valve 4.Form vacuum in the sealed can owing to go out being operated in of water pump, because the boiling point of water is relevant with pressure, the water in the vacuum tank is in boiling state at normal temperatures, and dissolved gases parses from water in the water.When water temperature residual gas content in jar internal pressure low more (being that vacuum tightness is high more) water regularly few more.The gas of separating out from water flows out sealed can by magnetic valve and gas-water separation valve, and the deaerated water that takes off peroxide flows out to system water supply by going out water pump 2.
The unlatching and the closure of each valve of this device cooperatively interact, and wherein a kind of feasible state is as shown in table 1:
Table 1
| The water intaking valve state | Go out the water pump state | The magnetic valve state | |
| During the device water inlet | Open | Open or close | Open (jar internal gas pressure greater than normal atmosphere time) |
| During the device water outlet | Close | Open | Close |
| During the device exhaust | Open | Open | Open |
Adjust opening between each valve, close the time cooperation and can also obtain the needs that other combinations of states also can satisfy deoxidation.
Owing to adopt the air-water mixture in the gas-water separation valve seal jar to have only gas to pass through, take off the water supply system of peroxide, the dissolved oxygen amount when whole waterworks working stability in the water has satisfied boiler feed water oxygen level standard less than 0.1mg/L.
Claims (1)
1, a kind of water deoxygenation device, it is characterized in that, this device comprises sealed can, the inlet valve that is connected with the water-in of sealing jar, what link to each other with the water outlet of sealing jar goes out water pump, the sewage draining valve that links to each other with sealing pot bottom sewage draining exit, the magnetic valve that links to each other with sealing tank top venting port, the gas-water separation valve that links to each other with this magnetic valve, the vacuum instrumentation that is connected with sealing jar top; This inlet valve with go out water pump and link to each other with the boiler replenishing water pipeline respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420118712 CN2729047Y (en) | 2004-10-15 | 2004-10-15 | Water deoxygen device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420118712 CN2729047Y (en) | 2004-10-15 | 2004-10-15 | Water deoxygen device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2729047Y true CN2729047Y (en) | 2005-09-28 |
Family
ID=35047824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420118712 Expired - Fee Related CN2729047Y (en) | 2004-10-15 | 2004-10-15 | Water deoxygen device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2729047Y (en) |
-
2004
- 2004-10-15 CN CN 200420118712 patent/CN2729047Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050928 Termination date: 20111015 |