CN207918513U - A kind of alkali waste oxidation reactor with flight tube bank - Google Patents
A kind of alkali waste oxidation reactor with flight tube bank Download PDFInfo
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- CN207918513U CN207918513U CN201721808680.5U CN201721808680U CN207918513U CN 207918513 U CN207918513 U CN 207918513U CN 201721808680 U CN201721808680 U CN 201721808680U CN 207918513 U CN207918513 U CN 207918513U
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Abstract
The utility model is related to a kind of alkali waste oxidation reactors with flight tube bank, including the tube bank of outer barrel, inner cylinder, flight, inner cylinder to be sleeved in outer barrel, be restrained equipped with flight, lower end and outer barrel bottom unicom, upper end and outer barrel top unicom.Flight tube bank is made of pipe and tube sheet, and pipe is fixed on tube sheet, interior to be equipped with guiding subassembly.Tube sheet engages inner cylinder, and flight is restrained shared inner cylinder space and divides into tube side and shell side, tube side and inner cylinder upper and lower part unicom.Outer barrel is equipped with lye import, is passed through the annular space that outer barrel and inner cylinder are constituted, and feedstock direction is downward.Material outlet after aoxidizing is equipped at the top of outer barrel.Outer barrel bottom is equipped with compressed air inlet, and air is imported inner cylinder upwards.The tube bank with flight is arranged in the utility model, when compressed air passes through the tube bank of built-in flight with lye mixture, gas-liquid mixture spiral makes the two mixing evenly, reaction efficiency is high, and can reduce number and the time of compressed air and lye requirement cycle.
Description
Technical field
The utility model is related to a kind of oil refining alkali waste processing units, more particularly, to a kind of containing with flight tube bank
Alkali wasteliquid oxidation reactor.
Background technology
In petroleum refining and process, for removal oil product in sulfide generally use alkali washing process, in alkali cleaning
Will produce the various alkali wastes containing high density sulfides and hardly degraded organic substance in the process, COD, sulfide and phenol row
High-volume reach the 40%-50% of oil plant gross contamination emission.Alkali waste is as one of oil-refining chemical enterprise waste residue, because at it
It is big to manage difficulty, input is high, is always the difficult point of Petrochemical Enterprises pollution control.A few days ago most of enterprise still use tank storage drop discharge into
Oil-containing sewage treatment system or directly outer committee pull out the transfer that factory carries out pollutant, even if Some Enterprises input huge fund has wet type
Oxidation treatment device, also because the processing cost of great number and the etching problem of equipment are unable to long-term operation, with country and ground
The Petrochemical Enterprises that are treated as of increasingly raisings of the Fang Zhengfu to environmental requirement, alkali waste arrive one of the difficult problem of environmental protection to be solved.
At present for the subsequent processing of alkali waste, the practice that domestic contrast passes through is carried out using wet oxidation reactor
Oxidation, wherein representational oxidation reactor is divided into high temperature and pressure wet oxidation reactor and mitigates wet oxidation reactor.
Facts have proved above two oxidation reactor respectively has its disadvantage：
1) the usual treating capacity of high temperature and pressure wet oxidation reactor is not high, only 1~2t/h, and one-time investment and fortune
Row expense is huge, and the way of whole organic matter complete oxidation removals is also not suitable for diesel oil alkali waste, catalytic gasoline alkali waste
The recycling and utilization of middle aphthenic acids and phenol.
2) mild wet air oxidation process reactor one-time investment and operating cost are higher, simultaneously because mild wet air oxidation process operates
The reduction of severity only remains to the higher removal rate of sulfide, is only 20~30% to COD oxidation removal rates, increases
The processing load of follow-up oil-containing sewage treatment system and the possibility for causing impact.
Utility model content
The purpose of this utility model is exactly to provide a kind of band flight to overcome the problems of the above-mentioned prior art
The alkali waste oxidation reactor of tube bank.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of alkali waste oxidation reactor with flight tube bank, including the tube bank of outer barrel, inner cylinder, flight,
The inner cylinder is sleeved in outer barrel, is restrained equipped with flight, lower end and outer barrel bottom unicom, on upper end and outer barrel
Portion's unicom,
The flight tube bank is made of tube sheet and the pipe being fixed on tube sheet, and guiding subassembly is equipped in the pipe,
The tube sheet engages inner cylinder, and flight is restrained shared inner cylinder space and divides into tube side and shell side, the tube side and inner cylinder
Upper and lower part unicom,
The outer barrel is equipped with lye import, is passed through the annular space that outer barrel and inner cylinder are constituted, feedstock direction is downward, outside
Cylinder top is equipped with material outlet after oxidation, and outer barrel bottom is equipped with compressed air inlet, air is imported inner cylinder upwards.
The guiding subassembly is that can improve gas-liquid contact performance with the component for influencing gas liquid two-phase flow effect, is made
Guiding subassembly for preferred embodiment, use includes the thin slice of spiral arrangement, the groove of spiral arrangement, spiral
Rise protrusion, silk screen, filler or the fin of arrangement.
The inner cylinder is equipped with mixed zone early period of compressed air and lye in flight tube bank tube sheet underlying space.
The flight tube bank is engaged in detachable with inner cylinder.
The inner cylinder lower end is supported on outer barrel bottom bulkhead, and top is supported using clip, can be torn open with low head
It unloads.
The outer barrel bottom is equipped with steam inlet, and steam is imported to inner cylinder upwards or is converged with compressed air inlet.
Compared with prior art, the pipe with flight is arranged in the utility model in alkali waste oxidation reactor inner cylinder
Beam, when compressed air passes through the tube bank of built-in flight with lye mixture, because of the effect of flight, gas-liquid mixture spiral
Rise, makes the two mixing evenly, more completely, reaction efficiency higher, and time of compressed air and lye requirement cycle can be reduced
Number and time.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 be Fig. 1 in A-A to structural schematic diagram；
Fig. 3 is the structural schematic diagram of tube sheet.
In figure, 1- outer barrels, 1a- end sockets, 1b- cylinders, 1c- flanges, 2- inner cylinders, 2a- clips, 2b- bracing rings, 2c- blocks,
The tube bank of 3- flights, 3a- pipes, 3b- tube sheets, 3c- fixed tube sheets, 4- hanging supports, 5- material outlets, 6- drains, 7- lye
Import, 8- thermometers mouth, 9- pressure gauge ports, 10- discharging holes, 11- compressed air inlets, 12- steam inlets.
Specific implementation mode
The utility model is described in detail with reference to specific embodiment.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These belong to the scope of protection of the utility model.
Embodiment
A kind of alkali waste oxidation reactor with flight tube bank, structure is as shown in Figure 1, alkali waste oxidation reaction
Device uses suspended structure, hanging support 4 to be welded on 1 wall of outer barrel, and the cylinder 1b and end socket 1a of outer barrel 1 are connected using flange 1c
It connects；2 lower end of inner cylinder is supported on outer barrel bottom bulkhead 1b, and top is using clip 2a supports.Inner cylinder 2 is sleeved in outer barrel 1, lower end
With 1 bottom unicom of outer barrel, upper end and 1 top unicom of outer barrel restrain 3 in inner cylinder 2 equipped with flight, and flight tube bank 3 is by pipe
3a is formed with tube sheet 3b, and pipe 3a and tube sheet 3b uses welding manner.The tube sheet 3b of the setting of 3 bottoms of flight tube bank, which is supported on, to be set
It sets on the support circle 2b inside inner cylinder, the tube sheet of middle part setting is fixed tube sheet 3c.1 middle part of outer barrel is set there are two lye import 7,
Bottom is equipped with thermometer meter mouth 8 and pressure gauge port 9；The end socket 1a on outer barrel top is equipped with material outlet 5 after oxidation and puts
Eat dishes without rice or wine 6；The end socket 1a of outer barrel lower part is equipped with compressed air inlet 11, steam inlet 12 and discharging hole 10.It is arranged on outer barrel 1
Lye import 7 be passed through the annular space that outer barrel 1 and inner cylinder 2 are constituted, feedstock direction is downward, after 1 top of outer barrel is equipped with oxidation
Material outlet 5, outer barrel bottom are equipped with compressed air inlet 11, air are imported to inner cylinder 2 upwards, in addition, the setting of 1 bottom of outer barrel
Steam is imported inner cylinder or converged with compressed air inlet by steam inlet 12 upwards.
The lower part of inner cylinder 2 reserves early period mixed zone of the certain space as compressed air and lye, and spiral shell is arranged in 2 top of inner cylinder
Blade tube bank 3, as Figure 2-3.Flight restrains the 3 tube sheet 3b groups by several pipe 3a and fixing tube arranged in parallel
At, be internally provided with guiding subassembly in pipe 3a, the guiding subassembly used can be with influence gas liquid two-phase flow effect group
Part can improve gas-liquid contact performance, such as the thin slice of spiral arrangement may be used, groove, the spiral shell that spiral is arranged
Screw on liter protrusion, silk screen, filler or a fin for arrangement, the fin that the present embodiment rises using structure in the shape of a spiral.Pipe 3a
It is welded to connect with tube sheet 3b, the tube sheet 3b of lower part is placed on support circle 2b, and tube sheet 3b is equipped with 3 notches, on the inner wall of inner cylinder 2
Equipped with 3 block 2c, flight tube bank 3 can be fixed, and easy to disassemble.Tube sheet 3b engages inner cylinder 2, and flight is restrained 3
Tube side and shell side, the upper and lower part unicom of tube side and inner cylinder are divided into shared inner cylinder space.
Alkali waste to be treated enters the space between outer barrel 1 and inner cylinder 2 from 1 middle part of outer barrel, and entrance is given up containing alkali
Liquid is past to flow down；Inner cylinder 2 is entered from the compressed air of compressed air inlet 11, is mixed with alkali waste in 2 lower part of inner cylinder, so
Enter flight tube bank 3 with alkali waste afterwards, the injection effect of compressed air makes gas-liquid mixture rise to pipe in tube bank
Space between bunchy top portion and upper cover, then turn to space and entrance between outer barrel and inner cylinder lye remix downstream to
Outer barrel bottom (as shown by the arrow in Figure 1) forms cycle.Compressed air passes through the tube bank of built-in flight with lye mixture
When, because of the effect of flight, gas-liquid mixture spiral makes the two mixing evenly, more completely, reaction efficiency higher,
And number and the time of compressed air and lye requirement cycle can be reduced.In the oxidation reaction, it is controlled with temperature and measures reaction temperature
Degree, if reaction temperature is relatively low, can be passed through steam, to improve reaction temperature by steam inlet 12.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.
Claims (6)
1. a kind of alkali waste oxidation reactor with flight tube bank, including the tube bank of outer barrel, inner cylinder, flight,
The inner cylinder is sleeved in outer barrel, is restrained equipped with flight, and lower end and outer barrel bottom unicom, upper end joins with outer barrel top
It is logical,
The flight tube bank is made of tube sheet and the pipe being fixed on tube sheet, and guiding subassembly is equipped in the pipe, described
Tube sheet engage inner cylinder, flight is restrained into shared inner cylinder space and divides into tube side and shell side, the tube side and inner cylinder it is upper,
Lower part unicom,
The outer barrel is equipped with lye import, is passed through the annular space that outer barrel and inner cylinder are constituted, feedstock direction is downward, outer barrel top
Portion is equipped with material outlet after oxidation, and outer barrel bottom is equipped with compressed air inlet, air is imported inner cylinder upwards.
2. a kind of alkali waste oxidation reactor with flight tube bank according to claim 1, which is characterized in that described
Guiding subassembly is with the component for influencing gas liquid two-phase flow effect, including the thin slice of spiral arrangement, spiral arrangement
Groove, spiral arrangement protrusion, silk screen, filler or fin.
3. a kind of alkali waste oxidation reactor with flight tube bank according to claim 1, which is characterized in that described
Inner cylinder is equipped with mixed zone early period of compressed air and lye in flight tube bank tube sheet underlying space.
4. a kind of alkali waste oxidation reactor with flight tube bank according to claim 1, which is characterized in that described
Flight tube bank engaged with inner cylinder in detachable.
5. a kind of alkali waste oxidation reactor with flight tube bank according to claim 1, which is characterized in that described
Inner cylinder lower end is supported on outer barrel bottom bulkhead, and top is supported using clip, can be dismantled with low head.
6. a kind of alkali waste oxidation reactor with flight tube bank according to claim 1, which is characterized in that described
Outer barrel bottom is equipped with steam inlet, and steam is imported to inner cylinder upwards or is converged with compressed air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808680.5U CN207918513U (en) | 2017-12-21 | 2017-12-21 | A kind of alkali waste oxidation reactor with flight tube bank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721808680.5U CN207918513U (en) | 2017-12-21 | 2017-12-21 | A kind of alkali waste oxidation reactor with flight tube bank |
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| Publication Number | Publication Date |
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| CN207918513U true CN207918513U (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721808680.5U Active CN207918513U (en) | 2017-12-21 | 2017-12-21 | A kind of alkali waste oxidation reactor with flight tube bank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877491A (en) * | 2021-10-26 | 2022-01-04 | 湖北惠大臭氧生物科技股份有限公司 | Ozonization oil reactor |
-
2017
- 2017-12-21 CN CN201721808680.5U patent/CN207918513U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877491A (en) * | 2021-10-26 | 2022-01-04 | 湖北惠大臭氧生物科技股份有限公司 | Ozonization oil reactor |
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