CN209554863U - A kind of ozone oxidation reaction device for chemical nickel wastewater treatment - Google Patents
A kind of ozone oxidation reaction device for chemical nickel wastewater treatment Download PDFInfo
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- CN209554863U CN209554863U CN201920067181.8U CN201920067181U CN209554863U CN 209554863 U CN209554863 U CN 209554863U CN 201920067181 U CN201920067181 U CN 201920067181U CN 209554863 U CN209554863 U CN 209554863U
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Abstract
The utility model provides a kind of ozone oxidation reaction device for chemical nickel wastewater treatment, including ozone reactor main body, ozone generator, ozone pipeline, back with water inlet line and water outlet pipeline.Reactor body is made of inner cylinder and outer housing, and inner cylinder and outer housing are co-axially mounted.Inner cylinder top sets water distributor, and lower part sets perforated plate, and microporous aeration disc is fixed on perforated plate, and partition is laid in inner cylinder outer surface.Micro porous aeration head is installed in outer housing bottom, and top is equipped with water outlet pipeline, and inner surface lays partition.The utility model extends gas-liquid contact time, reinforces ozone mass transfer, realize the technical effect of two-stage high efficient gas and liquid mixing by being provided with the inner cylinder of partition and with the outer housing of partition.
Description
Technical field
The utility model relates to a kind of sewage treatment equipment, especially a kind of ozone oxidation for chemical nickel wastewater treatment
Reactor.
Background technique
Nickel chemical plating technology, i.e., be added reducing agent sodium hypophosphite in the solution containing metallic nickel ions, and oxygen occurs for the two
Change reduction reaction, realizes that nickel ion in the deposition on plating piece surface, forms coating.To make plated layer compact, often need during the reaction
The complexing agents such as malic acid, citric acid are added, thus the nickel in chemical nickel waste water often exists in the form of complex state, it is difficult to directly pass through
The mode of alkali tune precipitating removes.Moreover, reducing agent sodium hypophosphite is a kind of extremely intractable Phos, it is difficult to by direct
Lime is added and dephosphorization agent is removed.Therefore, nickel, phosphorus stably reaching standard problem be always in chemical nickel wastewater treatment process
Difficult point.
Currently, common chemical nickel waste water treatment process is still based on oxidation, the contact break by way of oxidation promotes simultaneously
Hypophosphites is converted to orthophosphates, so that nickel, phosphorus be allow to remove by subsequent coagulating sedimentation mode.Ozone is a kind of strong
Oxidant, oxidation-reduction potential in water are up to 2.07 eV, have strong oxidizing property, can be used for chemical nickel wastewater treatment.
However, existing ozone oxidation reaction device has the following problems in chemical nickel wastewater treatment process: 1, conventional tower
Ozone reactor lacks efficient mixing wastewater with air system, and gas liquid interfacial area is small, and time of contact is short, leads to ozone mass transfer effect
Difference, ozone utilization rate are low；It 2, is raising ozone oxidation rate, it will usually catalyst filling is added in the reactor, still, due to
Chemical nickel waste water hardness is high, heavy metal concentration is high, and filler is easily hardened in catalyst surface, is unfavorable for ozone oxidation reaction instead；
3, the ozone way of contact such as simple micro-pore aeration and jet mixer mainly improves ozone in water by front-end control
Solubility, but lack reaction process optimization, it is suitable only for of short duration liquid holdup, actual effect is easy the available depth by reactor
The limitation of the factors such as degree, gas liquid ratio, air pressure size.
Therefore, guarantee that ozone and water are abundant by optimizing structure of reactor for the chemical nickel waste water of Ozonation processing
Contact, raising gas-liquid mixed efficiency, the solubility of increase ozone in water are the key that promote treatment effect.
Summary of the invention
Gas liquid interfacial area is small, the time is short to overcome in existing ozone reactor, and ozone mass transfer effect is poor, utilization rate is low
Defect, the utility model provides a kind of ozone oxidation reaction device for chemical nickel wastewater treatment, by being provided with partition
Inner cylinder and outer housing with partition extend gas-liquid contact time, reinforce ozone mass transfer, realize the skill of two-stage high efficient gas and liquid mixing
Art effect.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of for the smelly of chemical nickel wastewater treatment
Oxygen oxidation reactor, including ozone reactor main body, ozone generator, ozone pipeline, back with water inlet line and water outlet pipeline.Reactor
Main body is made of inner cylinder and outer housing, and inner cylinder and outer housing are co-axially mounted.Inner cylinder top sets water distributor, and lower part sets perforated plate, wears
Microporous aeration disc is fixed on orifice plate, partition is laid in inner cylinder outer surface.Micro porous aeration head is installed in outer housing bottom, and top is equipped with water outlet
Mouthful, inner surface lays partition.
A kind of above-mentioned ozone oxidation reaction device for chemical nickel wastewater treatment, the partition is preferably with hole
Perforated plate.
A kind of above-mentioned ozone oxidation reaction device for chemical nickel wastewater treatment, the ozone generator and micropore expose
Gas head is connected by ozone pipeline, and ozone pipeline is equipped with pressure gauge and intake valve.
A kind of above-mentioned ozone oxidation reaction device for chemical nickel wastewater treatment, the water distributor and back with water inlet line connect
It connects, back with water inlet line is equipped with inlet valve.
A kind of above-mentioned ozone oxidation reaction device for chemical nickel wastewater treatment, the water outlet and water outlet pipeline connect
It connects, water outlet pipeline is equipped with flowing water Valve.
The beneficial effects of the utility model are as follows:
(1) the utility model handles chemical nickel waste water using ozonation technology, and ozone oxidation is strong, high treating effect,
Also, half-life of ozone is fast, becomes oxygen after decomposition, small to secondary environmental pollution；
(2) the utility model uses upper water inlet, and the gas liquid cross-flow hybrid mode of lower air inlet increases connecing for waste water and ozone
Contacting surface product, extends contact time, improves gas-liquid mixed efficiency and ozone utilization rate；
(3) ozone oxidation reaction device main body disclosed by the utility model is made of inner cylinder and outer housing, and gas and water is in inner cylinder
After hybrid reaction, enter the reaction of the second level gas-liquid mixed between inner cylinder and outer housing via the perforated plate between inner cylinder and outer housing
Area carries out gas-liquid second level hybrid reaction, extends time of contact, prevent ozone from also having not enough time to just overflow with waste water reaction, into
One step improves gas-liquid mixed efficiency and ozone utilization rate；
(4) inner cylinder outer surface and outer housing inner surface are equipped with partition, therefore work as gas-liquid mixed stream approach inner cylinder and shell
When second level gas-liquid mixed reaction zone between body, turbulent flow is formed, gas-liquid mixed effect is enhanced.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is AA sectional view.
1. inner cylinder in figure, 2. partitions, 3. perforated plates, 4. micro porous aeration heads, 5. water distributors, 6. outer housings, 7. ozone pipelines,
8. ozone intake valve, 9. pressure gauges, 10. ozone generators, 11. back with water inlet line, 12. inlet valves, 13. water outlets, 14. water outlets
Pipeline, 15. flowing water Valves, 16. level-one gas-liquid mixed areas, 17. second level gas-liquid mixed areas.
Specific embodiment
As shown in Figure 1, a kind of ozone oxidation reaction device for chemical nickel wastewater treatment, including ozone reactor main body,
Ozone generator 10, ozone pipeline 7, back with water inlet line 11 and water outlet pipeline 14.Reactor body is made of inner cylinder 1 and outer housing 6,
Inner cylinder 1 and outer housing 6 are co-axially mounted.1 top of inner cylinder sets water distributor 5, and lower part sets perforated plate 3, fixes micro-pore aeration on perforated plate 3
First 4, partition 2 is laid in 1 outer surface of inner cylinder.Micro porous aeration head 4 is installed in 6 bottom of outer housing, and top is equipped with water outlet pipeline 14, inner surface
Lay partition 2.
A kind of above-mentioned ozone oxidation reaction device for chemical nickel wastewater treatment, the partition 2 preferably band hole
Perforated plate.
A kind of above-mentioned ozone oxidation reaction device for chemical nickel wastewater treatment, the ozone generator and micropore expose
Gas head 4 is connected by ozone pipeline 7, and ozone pipeline 7 is equipped with ozone intake valve 8 and pressure gauge 9.
A kind of above-mentioned ozone oxidation reaction device for chemical nickel wastewater treatment, the water distributor 5 and back with water inlet line
11 connections, back with water inlet line 11 are equipped with inlet valve 12.
A kind of above-mentioned ozone oxidation reaction device for chemical nickel wastewater treatment, the water outlet 13 and water outlet pipeline
14 connections, water outlet pipeline 14 are equipped with flowing water Valve 15.
When a kind of ozone oxidation reaction device operation for chemical nickel wastewater treatment, waste water passes through the water distribution on 1 top of inner cylinder
Device 5 enters reactor from top to bottom, and water distributor 5, which breaks up waste water, to nebulize, and is conducive to increase gas liquid interfacial area.Ozone occurs
10 output ozone of device, ozone enter reactor by ozone pipeline 7 and micro porous aeration head 4 from bottom to top.Ozone pipeline is equipped with
Ozone intake valve 8 and pressure gauge 9, can observe and control the air inflow of ozone, and micro porous aeration head 4 can bloat small gas
Bubble increases gas liquid interfacial area, increases the residence time of bubble in water.Ozone microbubble and waste water level-one in inner cylinder 1 are wrong
Stream mixing, to ensure that higher gas-liquid mixed efficiency and ozone utilization efficiency.Further to strengthen gas-liquid mixed, waste water with
After the mixing of ozone microbubble level-one, waste water enters second level gas-liquid mixed area 17 by the hole of 1 bottom perforated plate 3 of inner cylinder, carries out
Secondary gas-liquid mixed.In second level gas-liquid mixed area 17, by water and reactor bottom micro porous aeration head 4 drum of level-one mixed zone 16
Ozone microbubble mixing out, flows from bottom to top together.The outer surface of inner cylinder 1 and the inner surface of outer housing 6 have multilayer every
Plate 2, therefore, more than 17 times of area of the second level gas-liquid mixed baffling that waste water surrounds between inner cylinder 1 and outer housing 6, to reach into one
The purpose that step strengthens gas-liquid mixed effect extends the time of contact of ozone at the same time, so that polluting in ozone molecule and water
Oxidation reaction between object molecule is more abundant.Outer housing top sets out the mouth of a river 13, when gas-liquid mixed stream flow to outer housing top,
Subsequent coagulative precipitation tank is flowed out to by water outlet 13, heavy metal ion and other organic pollutants are through coagulating sedimentation from sewage
It removes.
A kind of embodiment of the utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (2)
1. a kind of ozone oxidation reaction device for chemical nickel wastewater treatment, including it is ozone reactor main body, ozone generator, smelly
Oxygen pipeline, back with water inlet line and water outlet pipeline, it is characterised in that: reactor body is made of inner cylinder and outer housing, inner cylinder and shell
Body is co-axially mounted, and inner cylinder top sets water distributor, and lower part sets perforated plate, and microporous aeration disc, inner cylinder outer surface cloth are fixed on perforated plate
If partition, micro porous aeration head is installed in outer housing bottom, and top is equipped with water outlet pipeline, and inner surface lays partition.
2. a kind of ozone oxidation reaction device for chemical nickel wastewater treatment according to claim 1, which is characterized in that every
Plate is the perforated plate of hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920067181.8U CN209554863U (en) | 2019-01-14 | 2019-01-14 | A kind of ozone oxidation reaction device for chemical nickel wastewater treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920067181.8U CN209554863U (en) | 2019-01-14 | 2019-01-14 | A kind of ozone oxidation reaction device for chemical nickel wastewater treatment |
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| CN209554863U true CN209554863U (en) | 2019-10-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845079A (en) * | 2019-11-22 | 2020-02-28 | 河北瑞池工程项目管理有限公司 | Municipal administration sewage treatment system |
| CN111268860A (en) * | 2020-02-05 | 2020-06-12 | 大庆市海油庆石油科技有限公司 | Salt-resistant polymer-containing oily sewage treatment process |
| CN113173636A (en) * | 2021-05-10 | 2021-07-27 | 天津市生态环境科学研究院(天津市环境规划院、天津市低碳发展研究中心) | Ozone cyclic oxidation reaction treatment system and treatment method |
| WO2022143271A1 (en) * | 2020-12-29 | 2022-07-07 | 中海油天津化工研究设计院有限公司 | Ultra-dispersion device for treating high-concentration wastewater by using aerobionts |
-
2019
- 2019-01-14 CN CN201920067181.8U patent/CN209554863U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845079A (en) * | 2019-11-22 | 2020-02-28 | 河北瑞池工程项目管理有限公司 | Municipal administration sewage treatment system |
| CN110845079B (en) * | 2019-11-22 | 2021-12-17 | 河北瑞池工程项目管理有限公司 | Municipal administration sewage treatment system |
| CN111268860A (en) * | 2020-02-05 | 2020-06-12 | 大庆市海油庆石油科技有限公司 | Salt-resistant polymer-containing oily sewage treatment process |
| WO2022143271A1 (en) * | 2020-12-29 | 2022-07-07 | 中海油天津化工研究设计院有限公司 | Ultra-dispersion device for treating high-concentration wastewater by using aerobionts |
| CN113173636A (en) * | 2021-05-10 | 2021-07-27 | 天津市生态环境科学研究院(天津市环境规划院、天津市低碳发展研究中心) | Ozone cyclic oxidation reaction treatment system and treatment method |
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