CN106629949A - Deoxygenator for preparing boiler water from process condensate - Google Patents
Deoxygenator for preparing boiler water from process condensate Download PDFInfo
- Publication number
- CN106629949A CN106629949A CN201611009680.9A CN201611009680A CN106629949A CN 106629949 A CN106629949 A CN 106629949A CN 201611009680 A CN201611009680 A CN 201611009680A CN 106629949 A CN106629949 A CN 106629949A
- Authority
- CN
- China
- Prior art keywords
- filler
- oxygen
- distributor
- process condensate
- section
- 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.)
- Granted
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
Abstract
The invention relates to a deoxygenator for preparing boiler water from process condensate. The deoxygenator is characterized by comprising a deoxygenation water tank and a deoxygenation tower, wherein an exhaust pipe is connected to a top outlet of the deoxygenation tower, and the deoxygenation water tank is connected to a bottom outlet of the deoxygenation tower; the deoxygenation tower is sequentially filled with three segments of filler arranged at intervals from top to bottom; a first distributor is arranged above the first segment of filler, and is connected to a first condensate inlet formed in the sidewall of the deoxygenation tower; a second distributor is arranged above the second segment of filler, and an inlet of the second distributor is connected to a second condensate inlet formed in the sidewall of the deoxygenation tower; a steam distributor is arranged below the third segment of filler, and an inlet of the steam distributor is connected to a steam inlet formed in the sidewall of the deoxygenation tower.
Description
Technical field
The present invention relates to acid process condensate liquid boiler water field, and in particular to a kind of process condensate boiler water is used
Oxygen-eliminating device.
Background technology
Traditional oxygen-eliminating device is generally made up of water tank and oxygen-removing tower two parts, for removing demineralized water in dissolve oxygen and
Other foreign gases, because the oxygen dissolved in demineralized water is typically micro, therefore, no matter using the deoxygenation of which kind of structure
Device, oxygen-removing tower generally only arranges one section of filler can just meet deoxygenation requirement.
At present, the technology for deoxygenation boiler water being carried out to process condensate using traditional oxygen-eliminating device mainly has three kinds,
It is respectively：
1) process condensate is first sent into atmospheric stripping tower and is stripped by pressure itself, removes CO2It is larger etc. solubility
Gas, then stripper bottom of towe process condensate is boosted using booster, be re-fed into removing oxygen etc. in traditional oxygen-eliminating device
Boiler water is obtained after microcomponent.
Shortcoming：Need to be separately provided stripper and booster, stripper needs to be separately provided stripped vapor, plant investment and
Operating cost is higher.
2) process condensate is mixed with desalted water, process condensate is diluted using desalted water, reduce technique cold
The concentration of dissolved gas in lime set, the process condensate after dilution is sent directly into traditional oxygen-eliminating device and removes oxygen and other dissolvings
Gas, the process condensate after process is used directly as boiler water.
Shortcoming：When the gas solubility and larger meltage that dissolve in process condensate, need to consume substantial amounts of desalination
Water is diluted to process condensate, and the load of oxygen-eliminating device and equipment investment become big.
3) process condensate is sent directly into traditional oxygen-eliminating device and removes oxygen and other dissolved gas, the technique after process
Condensate liquid is used directly as boiler water.
Shortcoming：When the gas solubility and larger meltage that dissolve in process condensate, traditional oxygen-eliminating device is difficult work
The gas removal dissolved in skill condensate liquid is clean, and obtained boiler water quality is not up to standard.
Natural gas steam reforming preparing synthetic gas device converts H in gas to control conversion outlet of still2/ CO 2.0～3.0,
Substantial amounts of CO has been filled into reburner import2, CO in reburner exiting syngas2Content is up to 13v%, and synthesis gas is in cooling point
The CO2 molar concentrations dissolved in the process condensate obtained during liquid are up to 0.18%, much larger than dissolved oxygen in demineralized water
Concentration, using traditional oxygen-eliminating device and traditional handicraft condensate liquid boiler hydraulic art, there is low-pressure steam and consume big, equipment and throw
The problems such as money is high, boiler water quality is not up to standard.
The content of the invention
The technical problem to be solved is provided that a kind of energy conservation and consumption reduction effects are good, sets for the present situation of prior art
It is standby to invest little and boiler water quality better process condensate boiler water oxygen-eliminating device.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for：The process condensate boiler water deoxygenation
Device, it is characterised in that including deoxygenation water tank and oxygen-removing tower, the top exit of the oxygen-removing tower connects blast pipe, the oxygen-removing tower
Outlet at bottom connects the deoxygenation water tank；
Spaced three sections of fillers are filled with successively from top to bottom in the oxygen-removing tower；The wherein top of first paragraph filler
It is provided with the first distributor, first condensate inlet of the first distributor connect setting on the deoxygenation tower side wall；Second
The second distributor is provided with above section filler, the entrance connect setting of second distributor is on the side wall of the oxygen-removing tower
Second condensate inlet；
Steam distributor is provided with below 3rd section of filler, the entrance connect setting of the steam distributor is in the deoxygenation
Steam inlet on the side wall of tower.
Preferably, for further uniformly dirty liquid, between the first paragraph filler and second distributor also
The first redistributor can be provided with；The second redistributor is provided between the second segment filler and the 3rd section of filler.
For convenience of overhauling, the first manhole, the second manhole can be from top to bottom sequentially provided with the side wall of the oxygen-removing tower
With the 3rd manhole；The first hole position is divided again in the top of first distributor, second manhole positioned at described first
Between cloth device and second distributor, the 3rd manhole be located at second redistributor and the 3rd section of filler it
Between.
The side wall of the oxygen-removing tower is provided with first hand hole corresponding with the first paragraph filler and the second segment is filled out
The second corresponding hand hole of material and threeth hand hole corresponding with the 3rd section of filler.The effect for arranging hand hole is for drawing off
Filler in tower.
Filler in above-mentioned each scheme can specifically be selected according to the composition of handled process condensate water, preferably, institute
State in the first packing section, second segment filler and the 3rd section of filler fill be dumped packing.
Compared with prior art, under the novel deaerator for process condensate boiler water provided by the present invention has
State advantage：
1st, heretofore described oxygen-eliminating device is a kind of novel deaerator for integrating stripping and deoxygenation, stripping and deoxygenation
Complete simultaneously in an oxygen-removing tower, can solubility is larger, meltage is more effectively in removing process condensate liquid gas component,
Deaerating effect is reliable and stable.
2nd, the present invention will be respectively fed to the different parts of oxygen-removing tower from the process condensate of upstream according to temperature difference, real
Existing cold and hot shunting, the potential temperature and energy gradient of scientific and reasonable utilization different process condensate liquid, the steam for reducing oxygen-eliminating device disappears
Consumption.
Description of the drawings
Fig. 1 is the floor map of the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figure 1, the process condensate boiler water includes deoxygenation water tank 1 and oxygen-removing tower 2, oxygen-removing tower 2 with oxygen-eliminating device
Top exit connection blast pipe 3, the outlet at bottom connection deoxygenation water tank 1 of oxygen-removing tower 2；Deoxygenation water tank is horizontal type structure.
Spaced three sections of fillers are filled with successively from top to bottom in oxygen-removing tower 2；The wherein top of first paragraph filler 12
It is provided with the first distributor 7, first condensate inlet 4 of the connect setting of the first distributor 7 on deoxygenation tower side wall；Second segment filler
13 top is provided with the second distributor 9, the second condensate liquid of the entrance connect setting of the second distributor 9 on the side wall of oxygen-removing tower
Entrance 5；The lower section of the 3rd section of filler 14 is provided with steam distributor 11, and the entrance connect setting of steam distributor 11 is in oxygen-removing tower
Steam inlet 6 on the wall of side.
The first redistributor 8 is additionally provided between the distributor 9 of first paragraph filler 12 and second；Second segment filler 13 and the 3rd section
The second redistributor 10 is provided between filler 14.
Also it is sequentially provided with the first manhole 15, the second manhole 16 and the 3rd manhole 17 on the side wall of oxygen-removing tower 2 from top to bottom；The
One manhole 15 is located at the top of the first distributor 7, and the second manhole 16 is located between the first redistributor 8 and the second distributor 9, the
Three manholes 17 are located between the second redistributor 10 and the 3rd section of filler 14.
The side wall of oxygen-removing tower 2 is provided with first hand hole 18 corresponding with first paragraph filler 12 and the phase of second segment filler 13
Corresponding second hand hole 19 and threeth hand hole 20 corresponding with the 3rd section of filler 14.
In the present embodiment, the first packing section 12, second segment filler 13 and the 3rd section of filler 14 are dumped packing.
The temperature come from upstream device is that 30～60 DEG C of low temperature process condensate liquid enters deoxygenation from the first condensate inlet
Tower, Jing after the first distributor is uniformly distributed flow, is downwardly into first paragraph filler.
In first paragraph filler, the low-pressure steam that low temperature process condensate liquid rises with bottom of towe is fully contacted, and is dissolved in technique
CO in condensate liquid2And other foreign gas major parts are stripped away, the low temperature process condensate liquid Jing first after stripping divides again
After cloth device distribution flow, second segment filler is downwardly into.
The temperature come from upstream device is that 90～120 DEG C of high-temperature technology condensate liquid enters deoxygenation from the second condensate inlet
Tower, Jing after the second distributor is uniformly distributed flow, after mixing with the process condensate from first paragraph filler together be downwardly into
Second segment filler.
The present embodiment low pressure steam flow is 0.2～0.3 with the ratio of process condensate flow quantity.
In second segment filler, the low-pressure steam that two strands of process condensates rise with bottom of towe is fully contacted, and is dissolved in technique
CO in condensate liquid2And the overwhelming majority of other foreign gases is stripped away.Process condensate Jing second after stripping divides again
After cloth device distribution flow, the 3rd section of filler is downwardly into.
In the 3rd section of filler, two strands of process condensates are again 170 DEG C～200 DEG C with the temperature come from steam inlet,
Pressure is that the low-pressure steam of 0.4～1.5MPaG is fully contacted, the oxygen being dissolved in process condensate and other foreign gas quilts
It is stripped out, the process condensate after being stripped of oxygen and other foreign gases enters deoxygenation water tank, completes whole process condensate
The preparation process of liquid boiler water.
Claims (5)
1. process condensate boiler water oxygen-eliminating device, it is characterised in that described to remove including deoxygenation water tank (1) and oxygen-removing tower (2)
Top exit connection blast pipe (3) of oxygen column (2), the outlet at bottom of the oxygen-removing tower (2) connects the deoxygenation water tank (1)；
Spaced three sections of fillers are filled with successively from top to bottom in the oxygen-removing tower (2)；Wherein first paragraph filler (12)
Top is provided with the first distributor (7), first condensate liquid of the first distributor (7) connect setting on the deoxygenation tower side wall
Entrance (4)；The second distributor (9), the entrance connect setting of second distributor (9) are provided with above second segment filler (13)
The second condensate inlet (5) on the side wall of the oxygen-removing tower；
Steam distributor (11) is provided with below 3rd section of filler (14), the entrance connect setting of the steam distributor (11) exists
Steam inlet (6) on the side wall of the oxygen-removing tower.
2. process condensate boiler water oxygen-eliminating device according to claim 1, it is characterised in that the first paragraph filler
(12) it is additionally provided with the first redistributor (8) between second distributor (9)；The second segment filler (13) and the described 3rd
The second redistributor (10) is provided between section filler (14).
3. process condensate boiler water oxygen-eliminating device according to claim 2, it is characterised in that the oxygen-removing tower (2)
It is sequentially provided with the first manhole (15), the second manhole (16) and the 3rd manhole (17) on the wall of side from top to bottom；First manhole
(15) positioned at the top of first distributor (7), second manhole (16) is positioned at first redistributor (8) and described
Between second distributor (9), the 3rd manhole (17) is positioned at second redistributor (10) and the 3rd section of filler
(14) between.
4. the process condensate boiler water oxygen-eliminating device according to claims 1 to 3 any claim, it is characterised in that
The side wall of the oxygen-removing tower (2) is provided with first hand hole (18) and described second corresponding with the first paragraph filler (12)
Corresponding the second hand hole (19) of section filler (13) and threeth hand hole (20) corresponding with the 3rd section of filler (14).
5. process condensate boiler water oxygen-eliminating device according to claim 4, it is characterised in that first packing section
(12), second segment filler (13) and the 3rd section of filler (14) are dumped packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009680.9A CN106629949B (en) | 2016-11-16 | 2016-11-16 | Deaerator for boiler water made from process condensate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009680.9A CN106629949B (en) | 2016-11-16 | 2016-11-16 | Deaerator for boiler water made from process condensate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106629949A true CN106629949A (en) | 2017-05-10 |
| CN106629949B CN106629949B (en) | 2019-12-17 |
Family
ID=58807151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611009680.9A Active CN106629949B (en) | 2016-11-16 | 2016-11-16 | Deaerator for boiler water made from process condensate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106629949B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2366858C1 (en) * | 2008-04-09 | 2009-09-10 | Закрытое акционерное общество "Энергомаш (Холдинг)" | Utilisation steam boiler plant |
| CN201537408U (en) * | 2009-09-29 | 2010-08-04 | 四川亚联高科技股份有限公司 | Purification treatment tower for producing hydrogen with natural gas |
| CN202660527U (en) * | 2012-05-25 | 2013-01-09 | 浙江中山化工集团有限公司 | Efficient boiler thermal deaerator |
| CN103209929A (en) * | 2010-11-16 | 2013-07-17 | Amt国际有限公司 | Process and apparatus for removal of oxygen from seawater |
-
2016
- 2016-11-16 CN CN201611009680.9A patent/CN106629949B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2366858C1 (en) * | 2008-04-09 | 2009-09-10 | Закрытое акционерное общество "Энергомаш (Холдинг)" | Utilisation steam boiler plant |
| CN201537408U (en) * | 2009-09-29 | 2010-08-04 | 四川亚联高科技股份有限公司 | Purification treatment tower for producing hydrogen with natural gas |
| CN103209929A (en) * | 2010-11-16 | 2013-07-17 | Amt国际有限公司 | Process and apparatus for removal of oxygen from seawater |
| CN202660527U (en) * | 2012-05-25 | 2013-01-09 | 浙江中山化工集团有限公司 | Efficient boiler thermal deaerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106629949B (en) | 2019-12-17 |
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