CN207792798U - A kind of catalytic ozonation tower for wastewater treatment - Google Patents
A kind of catalytic ozonation tower for wastewater treatment Download PDFInfo
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- CN207792798U CN207792798U CN201721689997.1U CN201721689997U CN207792798U CN 207792798 U CN207792798 U CN 207792798U CN 201721689997 U CN201721689997 U CN 201721689997U CN 207792798 U CN207792798 U CN 207792798U
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- catalytic ozonation
- ozonation tower
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Abstract
The utility model embodiment provides a kind of catalytic ozonation tower for wastewater treatment, and the upper portion side wall of the catalytic ozonation tower is equipped with the water inlet of waste water；The lower sides of the catalytic ozonation tower are equipped with the water outlet of treated waste water.The catalytic ozonation tower is internally provided with several catalyst layers between the water inlet and the water outlet；Ozonation aerated device is equipped between the catalyst layer and the water outlet of bottom in several described catalyst layers.A kind of catalytic ozonation tower for wastewater treatment provided using the utility model embodiment, waste water can be made to be sufficiently mixed with ozone gas, remaining ozone in tail gas is partly refluxed to oxidizing tower simultaneously, so that more ozone is dissolved in waste water, and then improve the utilization rate of ozone gas.
Description
Technical field
The utility model is related to technical fields, more particularly to a kind of catalytic ozonation tower for wastewater treatment.
Background technology
Coal liquifaction chemical project in process of production, contains a large amount of inorganic salts, these inorganic salts master in generated waste water
During the strong brine and treatment of Organic Wastewater to be generated from supplement fresh water, recirculated cooling water, demineralized water production process
The medicament etc. of addition.The processing mode of above-mentioned waste water is usually：Waste water is concentrated, is filled after crystallization.Due to containing in waste water
There are many organic pollution, the presence of these organic pollutions can have an adverse effect to crystallization process, and therefore, it is necessary to crystallize
Organic matter before process starts in removal waste water.
The common processing method of the organic matter in removal waste water is catalytic ozonation method at present：This method be by waste water from
The lower part of catalytic ozonation tower is delivered in catalytic ozonation tower, and waste water outflow is to full of entire catalytic ozonation tower.
Meanwhile being passed through ozone gas in the lower part of catalytic ozonation tower makes ozone gas be mixed with waste water, and using ozone ultraviolet
The active secondary oxidant decomposed under the irradiation of line carrys out oxidation of organic compounds：When ozone is by ultraviolet light, free oxygen is generated
Free radical (O), the free radical that dissociates meet water reaction and generate hydroxyl radical free radical (OH), and hydroxyl radical free radical can be with oxidation of organic compounds.
The hardly degraded organic substance that thus technique can be to contain in oxidized waste water, such as benzene type organic, organic acid, Hydrocarbon Organic.
In practical applications, in order to further speed up reaction speed, can also add in the catalytic ozonation tower for carrying out wastewater treatment
Add catalyst.
But waste water is inputted from the lower part of catalytic ozonation tower in the prior art, the convection current of waste water and ozone gas compared with
It is weak, cause the mixing of waste water and ozone gas to be not enough, and then cause the utilization rate of ozone gas not high.
Utility model content
The utility model embodiment is designed to provide a kind of catalytic ozonation tower for wastewater treatment, to realize
Improve the utilization rate purpose of ozone gas.Specific technical solution is as follows：
The utility model embodiment provides a kind of catalytic ozonation tower for wastewater treatment, the ozone catalytic oxygen
The upper portion side wall for changing tower is equipped with the water inlet of waste water；
The lower sides of the catalytic ozonation tower are equipped with the water outlet of treated waste water；
The catalytic ozonation tower is internally provided with several catalysis between the water inlet and the water outlet
Oxidant layer；
Ozonation aerated dress is equipped between the catalyst layer and the water outlet of bottom in several described catalyst layers
It sets.
Optionally, in a kind of specific implementation mode of the utility model, each described catalyst layer is by supporting layer
Support, and the supporting layer is by supporting plate support.
Optionally, in a kind of specific implementation mode of the utility model, the supporting plate is equipped with several water filtering caps,
And the water filtering cap is used for through water and gas, and retain the catalyst in the catalyst layer.
In a kind of specific implementation mode of the utility model, the ozonation aerated device is located at several described catalyst
In supporting layer in layer below the catalyst layer of bottom.
In a kind of specific implementation mode of the utility model, the top of the catalytic ozonation tower is equipped with exhaust outlet；
The supporting layer below other catalyst layers in addition to the catalyst layer of bottom in several described catalyst layers
It is interior to be equipped with ozone tail gas aerator；
The exhaust outlet is connect through gas and water separator and wind turbine with the ozone tail gas aerator.
Optionally, in a kind of specific implementation mode of the utility model, if the catalytic ozonation tower is less than described
The position of the catalyst layer of bottom is equipped with water circulating outlet in dry catalyst layer；
Catalytic ozonation tower catalyst layer of bottom and described several in several described catalyst layers
Side wall in a catalyst layer between the catalyst layer of the top is equipped with water circulation water inlet；
The water circulating outlet is connect through water pump with the water circulation water inlet.
Optionally, in a kind of specific implementation mode of the utility model, except the top in several described catalyst layers
Catalyst layer except each catalyst layer below, the side wall of catalytic ozonation tower be equipped with backwash air inlet and
Backwash water inlet；
In several described catalyst layers above the catalyst layer of the top, the side wall of catalytic ozonation tower is equipped with
Backwash discharge outlet.
Optionally, in a kind of specific implementation mode of the utility model, each in several described catalyst layers urges
Above agent layer, the side wall of catalytic ozonation tower is equipped with Cooperative oxidant dosing mouth.
Optionally, in a kind of specific implementation mode of the utility model, the catalyst layer number is 2-6.
Optionally, in a kind of specific implementation mode of the utility model, the catalytic ozonation tower internal side wall is set
There is teflon lined.
A kind of catalytic ozonation tower for wastewater treatment that the utility model embodiment provides, waste water is from oxidizing tower
Top inputs, and ozone is inputted from the lower part of catalytic ozonation tower, and waste water flows downward after entering catalytic ozonation tower, aggravates
The convection current of waste water and ozone, can be such that waste water is sufficiently mixed with ozone gas；More ozone are made to be dissolved in waste water, in turn
Improve the utilization rate of ozone gas.Further, remaining ozone part can from the tail gas that catalytic ozonation tower is discharged
To be back to oxidizing tower again, therefore further improve the utilization rate of ozone gas.Certainly, implement what the utility model embodiment provided
Catalytic ozonation tower is not necessarily required to reach all the above advantage simultaneously.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural representation for catalytic ozonation tower for wastewater treatment that the utility model embodiment provides
Figure.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
To solve prior art problem, the utility model embodiment provides a kind of ozone catalytic oxygen for wastewater treatment
Change tower.Fig. 1 is a kind of structural schematic diagram for catalytic ozonation tower for wastewater treatment that the utility model embodiment provides,
As shown in Figure 1, the upper portion side wall of the catalytic ozonation tower is equipped with the water inlet 101 of waste water；
The lower sides of the catalytic ozonation tower are equipped with the water outlet 102 of treated waste water；
The catalytic ozonation tower being internally provided between the water inlet 101 and the water outlet 102 is several
A catalyst layer 103；
Ozone is equipped between the catalyst layer and the water outlet 102 of bottom in several described catalyst layers 103
Aerator 104.
When the catalytic ozonation tower provided using the utility model embodiment carries out wastewater treatment, waste water is from water inlet
101 enter in catalytic ozonation tower, and waste water flows downward under gravity, followed by several catalyst layers 103.
With the lasting injection of waste water, catalytic ozonation tower, which is less than in the space of the catalyst layer of top layer, is full of waste water, while smelly
The ozone that oxygen aerator 104 discharges is dissolved in waste water, and the ozone not being dissolved moves upwards under the action of buoyancy.By
It is to enter catalytic ozonation tower from the water inlet 101 on the top of catalytic ozonation tower in waste water, waste water is in ozone catalytic
Strong convection current is formd in space in oxidizing tower higher than the catalyst layer of top layer, meanwhile, to this under the action of buoyancy
The ozone in space is dissolved under the action of convection current in waste water.
Inventor has found that catalyst layer also has the function of retaining the suspended matter contained in waste water, can prevent in waste water
The pipeline that is connect with catalytic ozonation tower of suspended particle clogging.Inventor also found, in the total tower height of catalytic ozonation tower
12m is right when the catalyst layer thickness on upper layer is 1.5m, the thickness of lower catalyst oxidant layer is 2m in tower when two layers of catalyst of filling
Salt content is more than 8000mg/L, and conductivity is more than 12000us/cm, and chloride ion content is more than 1000mg/L, and hardness is not more than
The treatment effect of the COD waste water difficult to degrade of 400mg/L is more preferable.
It, can also be in the catalyst layer of top layer in order to further increase treatment effect of the catalytic ozonation tower to waste water
If lower section increase dry layer thickness be 2m catalyst layer.It is understood that often increasing by one layer of catalyst layer, ozone catalytic oxygen
The total tower height for changing tower increases 4-6m；And the interval between adjacent two layers catalyst layer can be according to being that actual demand is adjusted
It is whole.
It is understood that term " the top " herein or " bottom ", are that foundation is catalyzed oxygen by injection of ozone
What the sequence of the waste water in change tower flowed through was determined, for example, the catalyst layer that waste water first flows through is the catalyst of the top
Layer.Then waste water is located at the catalyst layer below the catalyst layer from the catalyst layer of the top flow direction, finally flows to bottom
Catalyst layer.
In a kind of specific implementation mode of the utility model, for the weight of support catalyst layer 103, described in each
Catalyst layer 103 is by 105 support of supporting layer, and the supporting layer 105 is by 106 support of supporting plate.
In a kind of specific implementation mode of the utility model, supporting layer 105 can be made of cobblestone.
In another specific implementation mode of the utility model, when the catalyst in catalyst layer 103 is graininess,
Supporting layer 105 can be made of the multilayer cobblestone that the grain size according to sequence from top to bottom, set gradually is gradually reduced, and most
The grain size of the cobblestone on upper layer and the grain size of the catalyst granules in catalyst layer 103 are close, to prevent catalyst granules from falling.
In a kind of specific implementation mode of the utility model, in order to make water (such as waste water) and gas (such as ozone gas) energy
Enough by supporting plate 106, and the catalyst in the catalyst layer 103 is trapped, the supporting plate 106 is equipped with several
Water filtering cap 107.
In a kind of specific implementation mode of the utility model, in order to improve the space utilization in catalytic ozonation tower
Rate, the ozonation aerated device 104 are located at the supporting layer below the catalyst layer of bottom in several described catalyst layers 103
It is interior.
It is described in order to make full use of the ozone for failing fully to react in a kind of specific implementation mode of the utility model
The top of catalytic ozonation tower is equipped with exhaust outlet 108；Except bottom in several described catalyst layers 103 catalyst layer it
Ozone tail gas aerator 109 is equipped in supporting layer below other outer catalyst layers；The exhaust outlet 108 is through gas-water separation
Device 110 and wind turbine 111 are connect with the ozone tail gas aerator 109.
Fail the ozone fully reacted to be discharged outside catalytic ozonation tower by exhaust outlet 108 as ozone tail gas, enter
Into gas and water separator 110, gas and water separator 110 is by the moisture removal in ozone tail gas.Remove the ozone tail after moisture removal
Gas is input to ozone tail gas aerator 109 under the action of wind turbine 111.Ozone tail gas aerator 109 releases ozone tail gas
It puts and is dissolved in the waste water in catalytic ozonation tower.It should be noted that in practical applications, ozone tail gas aerator
109 can be identical as ozonation aerated device 104, or different.
It in practical applications, can also be in wind turbine 111 and ozone catalytic in order to make the pollution for avoiding ozone tail gas to environment
Setting tail gas breaking plant 200 on the pipeline of oxidizing tower connection.
In a kind of specific implementation mode of the utility model, in order to reinforce the treatment effect to waste water, the ozone is urged
Change oxidizing tower and is less than the position of the catalyst layer of bottom in several described catalyst layers 103 equipped with water circulating outlet 112.
Catalytic ozonation tower catalyst layer and described several of bottom in several described catalyst layers 103 is urged
Side wall in agent layer 103 between the catalyst layer of the top is equipped with water circulation water inlet 113；The water circulating outlet
112 connect through water pump 114 with the water circulation water inlet 113.
By several catalyst layers effect waste water under the action of water pump 114, through water circulating outlet 112 and water
Circulation water inlet 113 enters in catalytic ozonation tower, to carry out further catalytic ozonation.
In a kind of specific implementation mode of the utility model, in order to remove the pollution adhered in catalytic ozonation tower
Object, below each catalyst layer in addition to the catalyst layer of the top in several described catalyst layers 103, ozone is urged
The side wall for changing oxidizing tower is equipped with backwash air inlet 115 and backwash water inlet 116.In several described catalyst layers 103
Above the catalyst layer of the top, the side wall of catalytic ozonation tower is equipped with backwash discharge outlet 117.
When being backwashed, by backwash water inlet 116 into catalytic ozonation tower injected clear water, pass through recoil
Wash the injecting compressed air into catalytic ozonation tower of air inlet 115.Air mixes shape with clear water in catalytic ozonation tower
Rinse catalytic ozonation inner wall of tower and each catalyst layer 103 from the bottom up at air-water mixture.Waste water after flushing is logical
It crosses backwash discharge outlet 117 and catalytic ozonation tower is discharged, the pollutant removal to adhere in catalytic ozonation tower.
It is described in order to further strengthen the treatment effect to waste water in a kind of specific implementation mode of the utility model
Above each catalyst layer in several catalyst layers 103, the side wall of catalytic ozonation tower is equipped with Cooperative oxidant
Dosing mouth 118.
In practical applications, the medicament added by Cooperative oxidant dosing mouth 118 can be inorganic peroxide, Gao Meng
It is one or more in the oxidants such as sour potassium, chlorine, chlorine dioxide, hypochlorite.
In a kind of specific implementation mode of the utility model, in order to while improving waste water treatment efficiency, ensure pair
The treatment effect of waste water, the catalyst layer number are 2-6.
In a kind of specific implementation mode of the utility model, in order to eliminate the salinity in waste water to catalytic ozonation tower
The corrosion of inner wall, the catalytic ozonation tower internal side wall are equipped with teflon lined.
In a kind of specific implementation mode of the utility model, in order to balance in catalytic ozonation tower with ambient atmosphere it
Between draught head, the top of the catalytic ozonation tower can be equipped with pneumostome 119.
In a kind of specific implementation mode of the utility model, catalytic ozonation tower is overhauled in order to facilitate maintenance personal,
The side wall of the catalytic ozonation tower can be equipped with manhole 120.
In a kind of specific implementation mode of the utility model, for the waste water in quick drain catalytic ozonation tower,
The bottom of the catalytic ozonation tower can be equipped with drain 121.
In a kind of specific implementation mode of the utility model, in order to improve work in catalytic ozonation tower it is reliable
Property, the side wall of the catalytic ozonation tower is also provided with spare nozzle 122.
When the Cooperative oxidant dosing mouth 118 of catalytic ozonation tower is damaged, can be added using spare nozzle 122
Cooperative oxidant.It is understood that when other nozzles of catalytic ozonation tower break down, spare pipe can also be used
Mouthfuls 122 replace the nozzle to break down, break down caused ozone so as to avoid some nozzle of catalytic ozonation tower
The case where catalysis oxidizing tower cannot work on, to improve the reliability in catalytic ozonation tower.
In a kind of specific implementation mode of the utility model, join to monitor physics and chemistry in catalytic ozonation tower in real time
Number, the side wall of the catalytic ozonation tower are also provided with instrument installing port 123.
In practical applications, ozonation aerated device 104 can also be connect with ozone generator 300.
The above is only the preferred embodiment of the utility model only, is not intended to limit the protection model of the utility model
It encloses.Any modification, equivalent substitution, improvement and etc. made within the spirit and principle of the present invention, are all contained in this reality
With in novel protection domain.
Claims (10)
1. a kind of catalytic ozonation tower for wastewater treatment, which is characterized in that the upper side of the catalytic ozonation tower
Wall is equipped with the water inlet of waste water；
The lower sides of the catalytic ozonation tower are equipped with the water outlet of treated waste water；
The catalytic ozonation tower is internally provided with several catalyst layers between the water inlet and the water outlet；
Ozonation aerated device is equipped between the catalyst layer and the water outlet of bottom in several described catalyst layers.
2. catalytic ozonation tower according to claim 1, which is characterized in that each described catalyst layer is by support
Layer support, and the supporting layer is by supporting plate support.
3. catalytic ozonation tower according to claim 2, which is characterized in that the supporting plate is equipped with several drainages
Cap, the water filtering cap is used for through water and gas, and retains the catalyst in the catalyst layer.
4. catalytic ozonation tower according to claim 2, which is characterized in that if the ozonation aerated device is positioned at described
In supporting layer in dry catalyst layer below the catalyst layer of bottom.
5. catalytic ozonation tower according to claim 2, which is characterized in that set at the top of the catalytic ozonation tower
There is exhaust outlet；
It is set in the supporting layer below other catalyst layers in addition to the catalyst layer of bottom in several described catalyst layers
There is ozone tail gas aerator；
The exhaust outlet is connect through gas and water separator and wind turbine with the ozone tail gas aerator.
6. catalytic ozonation tower according to claim 1, which is characterized in that the catalytic ozonation tower is less than described
The position of the catalyst layer of bottom is equipped with water circulating outlet in several catalyst layers；
Catalytic ozonation tower catalyst layer and described several of bottom in several described catalyst layers is urged
Side wall in agent layer between the catalyst layer of the top is equipped with water circulation water inlet；
The water circulating outlet is connect through water pump with the water circulation water inlet.
7. catalytic ozonation tower according to claim 1, which is characterized in that except most upper in several described catalyst layers
Below each catalyst layer except the catalyst layer of side, the side wall of catalytic ozonation tower is equipped with backwash air inlet
And backwash water inlet；
In several described catalyst layers above the catalyst layer of the top, the side wall of catalytic ozonation tower is equipped with recoil
Wash discharge outlet.
8. catalytic ozonation tower according to claim 1, which is characterized in that each in several described catalyst layers
Above catalyst layer, the side wall of catalytic ozonation tower is equipped with Cooperative oxidant dosing mouth.
9. catalytic ozonation tower according to claim 1, which is characterized in that the catalyst layer number is 2-6.
10. catalytic ozonation tower according to claim 1, which is characterized in that the catalytic ozonation tower private side
Wall is equipped with teflon lined.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721689997.1U CN207792798U (en) | 2017-12-07 | 2017-12-07 | A kind of catalytic ozonation tower for wastewater treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721689997.1U CN207792798U (en) | 2017-12-07 | 2017-12-07 | A kind of catalytic ozonation tower for wastewater treatment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111960524A (en) * | 2020-09-04 | 2020-11-20 | 浙江浙能技术研究院有限公司 | Double (or three) layer ultrasonic assisted cavitation ozone heterogeneous catalytic oxidation wastewater treatment device and manufacturing method |
| CN112624303A (en) * | 2020-12-29 | 2021-04-09 | 中海油天津化工研究设计院有限公司 | Microbubble supercharging circulation ozone catalytic oxidation reaction device |
| CN113735244A (en) * | 2021-08-24 | 2021-12-03 | 广东卓信环境科技股份有限公司 | Ozone catalytic oxidation sewage treatment device with air-water circulation |
-
2017
- 2017-12-07 CN CN201721689997.1U patent/CN207792798U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111960524A (en) * | 2020-09-04 | 2020-11-20 | 浙江浙能技术研究院有限公司 | Double (or three) layer ultrasonic assisted cavitation ozone heterogeneous catalytic oxidation wastewater treatment device and manufacturing method |
| CN111960524B (en) * | 2020-09-04 | 2023-11-21 | 浙江浙能技术研究院有限公司 | Double (or three) layer ultrasonic-assisted cavitation ozone heterogeneous catalytic oxidation wastewater treatment device and manufacturing method |
| CN112624303A (en) * | 2020-12-29 | 2021-04-09 | 中海油天津化工研究设计院有限公司 | Microbubble supercharging circulation ozone catalytic oxidation reaction device |
| CN113735244A (en) * | 2021-08-24 | 2021-12-03 | 广东卓信环境科技股份有限公司 | Ozone catalytic oxidation sewage treatment device with air-water circulation |
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| CP03 | Change of name, title or address |
Address after: Room 202, building 8, building 1, Gaoguang street, Miyun District, Beijing 101500 Co-patentee after: POTEN ENVIRONMENT GROUP CO., LTD. Patentee after: Poten Industrial Technology (Beijing) Co., Ltd Address before: 100082 Shougang International Building, No. 60, Xizhimen North Street, Haidian District, Beijing, 12 floor 1211 Co-patentee before: POTEN ENVIRONMENT GROUP CO., LTD. Patentee before: Botian Environmental Engineering (Beijing) Co., Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A ozone catalytic oxidation tower for waste water treatment Effective date of registration: 20200511 Granted publication date: 20180831 Pledgee: Beijing urban construction and development branch of China Construction Bank Co., Ltd Pledgor: Poten Industrial Technology (Beijing) Co., Ltd|POTEN ENVIRONMENT GROUP Co.,Ltd. Registration number: Y2020990000453 |