CN204873990U - Mitigate wet -type oxidation unit - Google Patents
Mitigate wet -type oxidation unit Download PDFInfo
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- CN204873990U CN204873990U CN201520532852.5U CN201520532852U CN204873990U CN 204873990 U CN204873990 U CN 204873990U CN 201520532852 U CN201520532852 U CN 201520532852U CN 204873990 U CN204873990 U CN 204873990U
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- sewage
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- venturi
- oxidation process
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Abstract
The utility model provides a mitigate wet -type oxidation unit, including the reactor, the reactor is connected with the sewage cycle pump, the sour water pours into the pipeline connection sewage cycle pump intake into, sewage cycle pump exit linkage sewage ring canal, the branch and the venturi sprayer intercommunication of sewage ring canal, venturi sprayer open sides intercommunication compressed air steam loop, venturi sprayer export intercommunication reactor bottom, reactor top exit linkage reaction product cooler shell side entry, branch fluid reservoir middle part is inserted in the tube bank of reaction product cooler, be equipped with the blade defroster in the branch fluid reservoir, divide the fluid reservoir top to be equipped with the exhaust emission export, divide the fluid reservoir bottom to be equipped with the emission export of purifying waste water. The device provided by the utility model simple structure is mitigateing under the wet oxidation condition, and the COD clearance in the sewage reaches more than 95%, and the energy consumption is low, and investment cost is few, and area is little, and the working costs is low, and the installation of sled piece can be widelyd popularize at technical field such as sulfur recovery, carbon blacks.
Description
Technical field
The utility model relates to a kind of device adopting mild wet oxidation process process sour water, belongs to technical field of industrial sewage treatment.
Background technology
In petrochemical production process, frequent generation several strands of sour waters, Top of Vacuum Tower return tank as usual draining, the draining of hydrogenation unit high score tank, sulfur recovery tail gas washing draining, conveniently treatment process, these sour waters enter sewage stripping and purify, but for a lot of factory, due to the reason such as small scale, raw material total sulfur content be low, there is no supporting acidic water stripping device, these sulfur-containing waste waters can only enter sewage farm, cause the impact to sewage farm, affect sewage disposal draining.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of employing mild wet oxidation process process sour water, removes the device of the chemical oxygen demand COD in sour water.
In order to solve the problems of the technologies described above, the technical solution of the utility model is to provide a kind of mild wet air oxidation process device, it is characterized in that: comprise reactor, reactor is connected with sewage (waste water) recirculating pump, sour water injects pipeline and connects effluent cycle pump intake, effluent cycle pump discharge connects sewage endless tube, the branch of sewage endless tube is communicated with venturi-type eductors, venturi-type eductors lateral opening is communicated with pressurized air steam loop, venturi-type eductors outlet reactor bottom, reactor head outlet ligation product water cooler shell side inlet, the tube bank of reaction product water cooler is inserted in the middle part of point flow container, divide in flow container and be provided with blade demister, separatory tank top is provided with exhaust gas emission outlet, separatory pot bottom is provided with exhaust outlet of purifying waste water.
Preferably, described venturi-type eductors is even number, is arranged symmetrically in described reactor surrounding.
Preferably, described pressurized air steam loop connects pressurized air line and low-pressure steam line.
Preferably, described reactor bottom is provided with T-shaped vortex shield.
Preferably, described reaction product water cooler is integrated setting with a point flow container.
When the device that the utility model provides uses, sour water enters from effluent cycle pump intake and mixes with circulating sewage, venturi-type eductors is entered through sewage endless tube, venturi-type eductors side mouth is mixed into by pressurized air steam loop from the pressurized air of pipe network and low-pressure steam, in venturi-type eductors, sewage is heated to 80 ~ 100 DEG C, air is crushed into ultramicro air bubble and is dispersed in sewage, the gas-liquid mixture of venturi-type eductors outlet ejection reacts further at reactor, removes chemical oxygen demand COD.Reaction product autoreactor top is flowed out, and be cooled to less than 40 DEG C through reaction product water cooler, enter knockout drum, the sewage after process is discharged at the bottom of tank, and waste gas is separated after water smoke through blade demister and arranges air from tank deck through chimney.
The device that the utility model provides overcomes the deficiencies in the prior art, structure is simple, and adopt Venturi jet paraffin oxidation mode, reaction conditions relaxes, under mild wet air oxidation process condition, COD clearance in sewage reaches more than 95%, and energy consumption is low, and cost of investment is few, floor space is little, working cost is low, and sled block is installed, and can widely popularize in the technical field such as sulphur recovery, carbon black.
Accompanying drawing explanation
The mild wet air oxidation process device schematic diagram that Fig. 1 provides for the utility model.
Embodiment
Below in conjunction with specific embodiment, set forth the utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
The mild wet air oxidation process device schematic diagram that Fig. 1 provides for the utility model, described mild wet air oxidation process device comprises reactor 1, sewage (waste water) recirculating pump 2, sewage endless tube 3, pressurized air steam loop 4, venturi-type eductors 5, reaction product water cooler 9, divide flow container 7, blade demister 8, wet oxidation reaction device 1 is communicated with sewage (waste water) recirculating pump 2, sour water injects sewage (waste water) recirculating pump 2 entrance, sewage (waste water) recirculating pump 2 outlet sewage endless tube 3, sewage endless tube 3 branch is communicated with the venturi-type eductors 5 of even number, venturi-type eductors 5 lateral opening is communicated with pressurized air steam loop 4, the venturi-type eductors 5 of even number is arranged symmetrically in reactor 1 surrounding, bottom venturi-type eductors 5 outlet reactor 1, reactor 1 top exit ligation product water cooler 9 shell side inlet, the tube bank of reaction product water cooler 9 is inserted in the middle part of point flow container 7, divide in flow container 7 and blade demister 8 is set, waste gas is through a point flow container 7 top exit discharge, sewage after process is through a point flow container 7 outlet at bottom discharge.
The gas phase of venturi-type eductors 5 entrance, liquidus line adopt endless tube distribution, and namely pressurized air steam loop 4 connects pressurized air line and low-pressure steam line.
T-shaped vortex shield is established at reactor 1 end, prevents eddy current and Vapor Entrainment.
Reaction product water cooler 9 is integrated setting with a point flow container 7.
Because waste water sulfide is comparatively strong to the corrodibility of equipment, therefore the equipment material of mild wet air oxidation process device described in the utility model is 316L.
Utility model works process is as follows: sour water enters from sewage (waste water) recirculating pump 2 entrance and mixes with circulating sewage, venturi-type eductors 5 is entered through sewage endless tube 3, venturi-type eductors 5 side mouth is mixed into by pressurized air steam loop 4 from the pressurized air of pipe network and low-pressure steam, in venturi-type eductors 5, sewage is heated to 80 ~ 100 DEG C, air is crushed into ultramicro air bubble and is dispersed in sewage, the gas-liquid mixture that venturi-type eductors 5 exports ejection reacts further at reactor 1, removes chemical oxygen demand COD.The operational condition of reactor be 0.4 ~ 0.6MPag, 104 ~ 120 DEG C.Under above-mentioned mitigation operating mode, in reactor, there is following reaction:
Na
2SO
3+1/2O
2→Na
2SO
4
Na
2S+2O
2→Na
2SO
4
Reaction product autoreactor 1 top is flowed out, and be cooled to less than 40 DEG C through reaction product water cooler 9, enter knockout drum 7, the sewage after process is discharged at the bottom of tank, and waste gas is separated after water smoke through blade demister 7 and arranges air from tank deck through chimney.
Claims (5)
1. a mild wet air oxidation process device, it is characterized in that: comprise reactor (1), reactor (1) is connected with sewage (waste water) recirculating pump (2), sour water injects pipeline and connects sewage (waste water) recirculating pump (2) entrance, sewage (waste water) recirculating pump (2) outlet connects sewage endless tube (3), the branch of sewage endless tube (3) is communicated with venturi-type eductors (5), venturi-type eductors (5) lateral opening is communicated with pressurized air steam loop (4), venturi-type eductors (5) outlet reactor (1) bottom, reactor (1) top exit ligation product water cooler (9) shell side inlet, point flow container (7) middle part is inserted in the tube bank of reaction product water cooler (9), divide in flow container (7) and be provided with blade demister (8), flow container (7) top is divided to be provided with exhaust gas emission outlet, flow container (7) bottom is divided to be provided with exhaust outlet of purifying waste water.
2. a kind of mild wet air oxidation process device as claimed in claim 1, is characterized in that: described venturi-type eductors (5) is even number, is arranged symmetrically in described reactor (1) surrounding.
3. a kind of mild wet air oxidation process device as claimed in claim 1, is characterized in that: described pressurized air steam loop (4) connects pressurized air line and low-pressure steam line.
4. a kind of mild wet air oxidation process device as claimed in claim 1, is characterized in that: described reactor (1) bottom is provided with T-shaped vortex shield.
5. a kind of mild wet air oxidation process device as claimed in claim 1, is characterized in that: described reaction product water cooler (9) is integrated setting with a point flow container (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532852.5U CN204873990U (en) | 2015-07-21 | 2015-07-21 | Mitigate wet -type oxidation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532852.5U CN204873990U (en) | 2015-07-21 | 2015-07-21 | Mitigate wet -type oxidation unit |
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| CN204873990U true CN204873990U (en) | 2015-12-16 |
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| CN201520532852.5U Active CN204873990U (en) | 2015-07-21 | 2015-07-21 | Mitigate wet -type oxidation unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135603A (en) * | 2019-12-31 | 2020-05-12 | 大连汉诺工程技术有限公司 | Waste alkali treatment method |
| CN111362493A (en) * | 2019-12-23 | 2020-07-03 | 南京延长反应技术研究院有限公司 | System and method for treating high-salinity PMIDA wastewater |
| CN113087192A (en) * | 2019-12-23 | 2021-07-09 | 南京延长反应技术研究院有限公司 | Treatment system and method for cephalosporin wastewater |
-
2015
- 2015-07-21 CN CN201520532852.5U patent/CN204873990U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111362493A (en) * | 2019-12-23 | 2020-07-03 | 南京延长反应技术研究院有限公司 | System and method for treating high-salinity PMIDA wastewater |
| CN113087192A (en) * | 2019-12-23 | 2021-07-09 | 南京延长反应技术研究院有限公司 | Treatment system and method for cephalosporin wastewater |
| CN113087192B (en) * | 2019-12-23 | 2022-04-01 | 南京延长反应技术研究院有限公司 | Treatment system and method for cephalosporin wastewater |
| US11649181B2 (en) | 2019-12-23 | 2023-05-16 | Nanjing Yanchang Reaction Technology Research Institute Co. Ltd. | Treatment system for cephalosporin wastewater and treatment method thereof |
| CN111135603A (en) * | 2019-12-31 | 2020-05-12 | 大连汉诺工程技术有限公司 | Waste alkali treatment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181227 Address after: 116000 No. 123, Datong Street, Xigang District, Dalian City, Liaoning Province, Unit 11, Floor 6 Patentee after: Dalian Hannuo Engineering Technology Co., Ltd. Address before: 116011 Fengyuan Street, Xigang District, Dalian City, Liaoning Province, 15-1-201 Patentee before: Tian Xiaoliang |