CN205379808U - Novel tower extrinsic cycle desulfurizing slurry oxidation and mixing system - Google Patents
Novel tower extrinsic cycle desulfurizing slurry oxidation and mixing system Download PDFInfo
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- CN205379808U CN205379808U CN201521118773.6U CN201521118773U CN205379808U CN 205379808 U CN205379808 U CN 205379808U CN 201521118773 U CN201521118773 U CN 201521118773U CN 205379808 U CN205379808 U CN 205379808U
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Abstract
The utility model provides a novel tower extrinsic cycle desulfurizing slurry oxidation and mixing system, includes the thick liquid circulatory pool, inserts the bayonet aeration equipment that locates in the thick liquid circulatory pool, sets up agitating unit and pulse circulating device in the pond is stretched into in the nearly bottom lateral wall slope of thick liquid circulatory pool, bayonet aeration equipment including set up oxidation fan outside the cell body, with the aerated conduit that the oxidation fan is connected, the aerated conduit includes aeration main pipe and the aeration main pipe who is connected with aeration main pipe, agitating unit includes the motor and is connected the (mixing) shaft that the cell body was stretched into downwards in the slope with the motor, the nearly bottom of pulse play water piping connection thick liquid circulatory pool that pulse circulating device includes the pulse inlet channel at thick liquid circulatory pool middle part, the pulse pump of being connected with the pulse inlet channel, is connected with the pulse pump. Utilize bayonet aeration equipment to combine pulse suspension agitating unit, aeration casing cap stopper, the thick liquid that can solve traditional tower extrinsic cycle desulfurization system easily precipitate the scheduling problem.
Description
Technical field
This utility model relates to coal burning flue gas desulfurization slurry outside circulation technique, particularly relates to the oxidation of tower outer circulation desulfurization slurry and stirring system.
Background technology
At present, the commonly used wet desulfurizing process of domestic coal burning flue gas desulfurization, such as magnesium oxide method, limestone (Calx)-gypsum etc..Traditional wet desulfurizing process again more adopts desulfurization slurry tower outer circulation oxidizing process, does not namely set slurry pool in desulfurizing tower, flows out desulfurizing tower, separately build slurry pool outside tower after serosity and smoke contacts, and the oxidation reaction of serosity completes in the outer slurry pool of tower.The float of desulfurization slurry is higher, and up to 1.2g/mL during density height, these float very easily precipitate, and as limestone-gypsum method serosity contains substantial amounts of Gypsum Fibrosum, Gypsum Fibrosum easily precipitates, hardens；Containing substantial amounts of unreacted magnesium oxide, magnesium hydroxide and impurity SiO in magnesium oxide method sulfur removal technology serosity2Deng, these also very easily sink to the bottom and harden.What traditional oxidation pond aeration adopted is perforated pipe aerating regulation method; perforated pipe aerating regulation easily blocks in this serosity very easily precipitating and hardening; it is reported: after perforated pipe aerating regulation method is run 1 month in desulphurization system; major part solarization air cap both blocked; if it occur that oxidation fan shutdown, boiler chaser etc. are unexpected; float rapid precipitation in serosity, harden; then whole aerating system will be embedded in precipitate and cause its " paralysis "; will clearing up dredging aeration tube to restart, workload is bigger.This utility model aerating system solves the difficult problem that boring aeration pipe easily blocks, is not easily cleaned, the arrangement of aeration tube can be flexible and changeable, design by the gentle amount of specific flow velocity, while ensureing aerating oxidation, aeration system also functions to good mixing effect, is combined with agitating device or pulse suspension device and can be effectively improved oxidation rate and prevent serosity from precipitating.
Summary of the invention
This utility model is for the deficiencies in the prior art, there is provided a kind of and improve desulfurization slurry oxidation efficiency the Novel tower outer circulation desulfurization slurry oxidation preventing desulfurization slurry from precipitating and stirring system, be particularly well-suited to the improvement project of coal burning flue gas desulfurization slurry outside circulation technique.
For realizing this utility model purpose, provide techniques below scheme: a kind of Novel tower outer circulation desulfurization slurry oxidation and stirring system, the plug-in type aerator that it is characterized in that including serum recycle pond, is inserted in serum recycle pond, it is arranged at agitating device and pulse cycle device that nearly bottom, serum recycle pond sidewall slope stretches in pond, the aerated conduit that the oxidation fan that described plug-in type aerator includes being arranged at outside the cell body of serum recycle pond is connected with oxidation fan, aerated conduit includes aeration supervisor and is responsible for, with aeration, the aeration branch pipe being connected；Agitating device includes motor and is connected the shaft stretching into cell body diagonally downward with motor；Pulse cycle device includes the pulse outlet pipe that the pulse pump that the inlet channel in the middle part of serum recycle pond is connected is connected with pulse pump with inlet channel, connects nearly bottom, serum recycle pond.
As preferably, aeration branch pipe end aeration opening place is provided with concentric reducer, to control gas flow rate at 10-20m/s.
As preferably, aeration branch pipe end is set to elbow or straight section, and the angle of elbow is be 0-75 angle with vertical direction.
As preferably, aeration branch pipe end aeration opening is from pond, serum recycle pond plane perpendicular distance about 0.5-1.5m.
As preferably, aerated conduit being provided with spraying temp. lowering apparatus.
As preferably, aerated conduit material is glass steel or stainless steel.If selection rustless steel, the rustless steel of unlike material to be selected according to the content of the pH value of serosity and the chloride ion of serosity.
As preferably, aeration branch pipe is connected with valve or flange with aeration supervisor's chain, to facilitate dismounting.
This utility model beneficial effect: this utility model will be greatly improved the oxidation efficiency of desulfurization slurry, solves the difficult problems such as traditional tower outer circulation desulphurization system aeration easily blocks, slurry pool cleaning is frequent.
Accompanying drawing explanation
Fig. 1 is system schematic of the present utility model.
Detailed description of the invention
Embodiment 1: a kind of Novel tower outer circulation desulfurization slurry oxidation and stirring system, including serum recycle pond 1, the plug-in type aerator 2 being inserted in serum recycle pond 1, it is arranged at agitating device 3 and pulse cycle device 4 that nearly bottom, serum recycle pond 1 sidewall slope stretches in pond, the aerated conduit 2.2 that the oxidation fan 2.1 that described plug-in type aerator 2 includes being arranged at outside the cell body of serum recycle pond 1 is connected with oxidation fan 2.1, aerated conduit 2.2 includes aeration supervisor 2.2.1 and is responsible for the 2.2.1 aeration branch pipe 2.2.2 being connected with aeration；Agitating device 3 includes motor 3.1 and is connected the shaft 3.2 stretching into cell body diagonally downward with motor 3.1；Pulse cycle device 4 includes the pulse outlet pipe 4.3 that the pulse pump 4.2 that the inlet channel 4.1 of the pulser in the middle part of serum recycle pond 1 is connected with inlet channel 4.1 is connected with pulse pump 4.2 and connects nearly bottom, serum recycle pond 1.Aeration branch pipe 2.2.2 end aeration opening place is provided with concentric reducer, to control gas flow rate at 10-20m/s.Aeration branch pipe 2.2.2 end is set to elbow or straight section, and the angle of elbow is be 0-75 angle with vertical direction.Aeration branch pipe 2.2.2 end aeration opening is from pond, serum recycle pond 1 plane perpendicular distance about 0.5-1.5m.
Aerated conduit 2.2 material is glass steel or stainless steel.If selection rustless steel, the rustless steel of unlike material to be selected according to the content of the pH value of serosity and the chloride ion of serosity.Aeration branch pipe 2.2.2 is connected with valve or flange with aeration supervisor's 2.2.1 chain, to facilitate dismounting.
When oxygen aeration temperature is be more than or equal to 80 DEG C, aerated conduit 2.2 is provided with spraying temp. lowering apparatus.
Case history:
2 × 75t/h CFBB, magnesium oxide method desulfurization project is transformed, desulfurization slurry tower outer circulation, recycle slurry liquid pool 9.2m(length) × 5.2m (width) × 6.5m (height), dischargeable capacity 270m3, aeration rate: 1300Nm3/h。
Adopt technological process as shown in Figure 1, aeration tube supervisor DN200, arm DN50, material: 316L, aeration tube arm quantity 31, this engineering aerator is combined with pulse suspension device, running system stability over 1 year, oxidation effectiveness is good, and during maintenance, slurry pool precipitation capacity is less.
Claims (7)
1. a Novel tower outer circulation desulfurization slurry oxidation and stirring system, the plug-in type aerator that it is characterized in that including serum recycle pond, is inserted in serum recycle pond, it is arranged at agitating device and pulse cycle device that nearly bottom, serum recycle pond sidewall slope stretches in pond, the aerated conduit that the oxidation fan that described plug-in type aerator includes being arranged at outside the cell body of serum recycle pond is connected with oxidation fan, aerated conduit includes aeration supervisor and is responsible for, with aeration, the aeration branch pipe being connected；Agitating device includes motor and is connected the shaft stretching into cell body diagonally downward with motor；Pulse cycle device includes the pulse outlet pipe that the pulse pump that the inlet channel in the middle part of serum recycle pond is connected with inlet channel is connected with pulse pump and connects nearly bottom, serum recycle pond.
2. a kind of Novel tower outer circulation desulfurization slurry oxidation according to claim 1 and stirring system, it is characterised in that aeration branch pipe end aeration opening place is provided with concentric reducer, to control gas flow rate at 10-20m/s.
3. a kind of Novel tower outer circulation desulfurization slurry oxidation according to claim 2 and stirring system, it is characterised in that aeration branch pipe end is set to elbow or straight section, the angle of elbow is be 0-75 angle with vertical direction.
4. a kind of Novel tower outer circulation desulfurization slurry oxidation according to claim 3 and stirring system, it is characterised in that aeration branch pipe end aeration opening is from pond, serum recycle pond plane perpendicular distance 0.5-1.5m.
5. a kind of Novel tower outer circulation desulfurization slurry oxidation according to claim 1 and stirring system, it is characterised in that be provided with spraying temp. lowering apparatus on aerated conduit.
6. a kind of Novel tower outer circulation desulfurization slurry oxidation according to claim 1 and stirring system, it is characterised in that aerated conduit material is glass steel or stainless steel.
7. a kind of Novel tower outer circulation desulfurization slurry oxidation according to claim 1 and stirring system, it is characterised in that aeration branch pipe is connected with valve or flange with aeration supervisor's chain, to facilitate dismounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521118773.6U CN205379808U (en) | 2015-12-30 | 2015-12-30 | Novel tower extrinsic cycle desulfurizing slurry oxidation and mixing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521118773.6U CN205379808U (en) | 2015-12-30 | 2015-12-30 | Novel tower extrinsic cycle desulfurizing slurry oxidation and mixing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205379808U true CN205379808U (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521118773.6U Expired - Fee Related CN205379808U (en) | 2015-12-30 | 2015-12-30 | Novel tower extrinsic cycle desulfurizing slurry oxidation and mixing system |
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| CN (1) | CN205379808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107129122A (en) * | 2017-06-23 | 2017-09-05 | 浙江中科兴环能设备有限公司 | A kind of sludge aerobic fermentation process equipment |
-
2015
- 2015-12-30 CN CN201521118773.6U patent/CN205379808U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107129122A (en) * | 2017-06-23 | 2017-09-05 | 浙江中科兴环能设备有限公司 | A kind of sludge aerobic fermentation process equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160713 Termination date: 20211230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |