CN208980400U - A kind of heteropoly acid catalysis ozonisation device - Google Patents
A kind of heteropoly acid catalysis ozonisation device Download PDFInfo
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- CN208980400U CN208980400U CN201821698675.8U CN201821698675U CN208980400U CN 208980400 U CN208980400 U CN 208980400U CN 201821698675 U CN201821698675 U CN 201821698675U CN 208980400 U CN208980400 U CN 208980400U
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- base reaction
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Abstract
The utility model discloses a kind of heteropoly acid catalysis to ozonize device, including catalytic oxidation unit and catalyst separative unit, catalytic oxidation unit includes catalyst oxidation reactor, experiement control device and device for absorbing tail gas, catalyst separative unit includes acid-base reaction device, titration outfit and filter device composition, catalytic oxidation unit is connected with catalyst separative unit by plastic piping, catalytic oxidation unit can be efficient, the easily activity of evaluation heteropoly acid catalysis ozonisation, catalyst separative unit can be realized catalyst separation, the function of recycling, to make up the defect of homogeneous catalysis ozonisation；Reaction condition is controlled by the device, make experiment that there is preferably repeatability, more accurate Activity evaluation is obtained, technical support is provided in the application of water treatment field for the catalyst of heteropoly acid this kind efficient green, promotes the developmental research of water treatment field new catalyst.
Description
Technical field
The utility model belongs to sewage treatment equipment field, is related to a kind of heteropoly acid catalysis ozonisation device, and in particular to
It is a kind of to strengthen the device that ozone oxidation goes persistent organic pollutants in water removal using typical heteropoly acid as catalyst.
Background technique
Heteropoly acid especially has the solid polyacid compound of structure with Keggin, is that a kind of activity is high, reaction speed is fast
Environmentally protective catalyst has vast potential for future development, heteropoly acid in catalytic field since it has both highly acid and strong oxidizing property
Addition can greatly improve the degradation efficiency of Ozonation, and it is high, smelly to make up incurred cost existing for independent ozone treatment
The problems such as oxygen transfer efficiency is low.
Heteropoly acid catalysis is mainly used in petrochemical industry and organic chemical synthesis field at present, and to water-soluble organic contamination
The Catalytic Ozonation of object rarely has research, and in contrast, catalytic oxidizing equipment spininess sets oil product processing and light-catalyzed reaction
Meter, the high temperature and high pressure environment and variety classes light source that such device provides are not suitable for being directly used in Catalytic Ozonation experiment；
And general catalyst test apparatus only has individual reaction unit or a filtering separation device, needs after catalytic degradation processing pair
Homogeneous catalyst is additionally carried out separation and recovery step, and process is cumbersome, complicated for operation, it is difficult to realize straight after homogeneous catalytic oxidation is handled
Connect the purpose of separation and recovery catalyst；PH and temperature etc. are the key factors for influencing heteropoly acid catalysis activity, if cannot be stringent
Related experiment condition in control experiment, it is difficult to accurate evaluation be made to heteropoly acid catalysis activity, it is smelly in catalysis to limit it
The extensive use in oxidation field.
Summary of the invention
The utility model be intended to provide it is a set of have both catalytic oxidation function and catalyst separation function, specially evaluate it is miscellaneous
The active device of polyacid catalytic ozonation.
The present invention is achieved by the following technical scheme:
A kind of heteropoly acid catalysis ozonisation device, including catalytic oxidation unit and catalyst separative unit, feature
It is:
Catalytic oxidation unit includes catalyst oxidation reactor, experiement control device and device for absorbing tail gas, is catalyzed oxygen
The nozzle for changing reactor is closed by hard rubber plug cover to be closed, and sets that there are four tubule mouths on the tube wall of catalyst oxidation reactor, wherein two
A tubule mouth is positioned at the catalyst oxidation reactor waste water injection port on catalyst oxidation reactor top and positioned at catalysis oxidation respectively
The catalyst of reactor lower part adds mouth, and catalyst adds mouth and is fixed in catalyst oxidation reactor for holding catalyst
The connection of tubular grid basket；Other two tubule mouth on catalyst oxidation reactor tube wall is located on catalyst oxidation reactor respectively
The catalyst oxidation reactor offgas outlet in portion and catalyst oxidation reactor wastewater outlet positioned at catalyst oxidation reactor lower part, are urged
Oxidation device bottom is equipped with an aeration sand head connecting with ozone generator gas outlet, and aeration sand head is anti-to catalysis oxidation
It answers and is filled with ozone gas in device；Experiement control device includes display screen, detecting head, the magnetic stirring apparatus with heating function and adds
Acid adds alkali mouth, is used to measure the temperature and pH of liquid below the liquid level for the liquid that detecting head is vertically put into catalyst oxidation reactor
Value, for catalyst oxidation reactor fixed placement on magnetic stirring apparatus, acid adding adds alkali mouth to be the glass funnel for having piston, adds
The hard rubber plug that the down tube of acid plus alkali mouth passes through catalyst oxidation reactor opening is extend into catalyst oxidation reactor, detecting head
Conducting wire pass through catalyst oxidation reactor opening hard rubber plug connect with display screen；Device for absorbing tail gas is closed by two
Conical flask composition, catalyst oxidation reactor offgas outlet are connected with the air inlet pipe of first conical flask in device for absorbing tail gas,
The escape pipe of first conical flask is connect with the air inlet pipe of second conical flask, the escape pipe and outside atmosphere of second conical flask
Connection；
Catalyst separative unit includes acid-base reaction device, titration outfit and filter device, and acid-base reaction device is set on tube wall
There are two the uncovered glass tube of tubule mouth, the nozzle of acid-base reaction device is closed by hard rubber plug cover to be closed, acid-base reaction device top
Tubule mouth is acid-base reaction device waste water injection port, and the tubule mouth of acid-base reaction device lower part is acid-base reaction device wastewater outlet, soda acid
Reactor wastewater outlet is connect with filter device；Titration outfit includes stirring with graduated alkali-titration bottle and ring glass
Device, the hard rubber plug that the outlet tube of alkali-titration bottle passes through acid-base reaction device nozzle are extend into acid-base reaction device, ring glass
Blender upper end is fixed on the hard rubber of acid-base reaction device nozzle beyond the Great Wall, and the lower end of ring glass blender extend into acid-base reaction
The liquid level of liquid in device is hereinafter, the catalyst oxidation reactor wastewater outlet of catalyst oxidation reactor and the soda acid of acid-base reaction device
Reactor waste water injection port passes through piping connection.
Further technical solution includes:
The filter device includes a raw glass pipe, is provided with a cylinder volume grating, cylindrical body in raw glass pipe
Filtering sandstone is filled in grid, the import of raw glass pipe and the acid-base reaction device wastewater outlet of acid-base reaction device are connected by pipeline
It connects, a cut-off is provided on the pipeline between the import of raw glass pipe and the acid-base reaction device wastewater outlet of acid-base reaction device
Valve.
A shut-off valve is provided on catalyst oxidation reactor waste water injection port.
Catalyst, which adds, is provided with a shut-off valve on mouth.
The acid-base reaction device waste water of the catalyst oxidation reactor wastewater outlet of catalyst oxidation reactor and acid-base reaction device into
Pass through piping connection, the catalyst oxidation reactor wastewater outlet of catalyst oxidation reactor and the soda acid of acid-base reaction device between sample mouth
A sampling T-way valve is provided on pipeline between reactor waste water injection port.
Acid adding adds the nozzle of the down tube of alkali mouth to be located at the ullage of liquid in catalyst oxidation reactor, alkali-titration bottle
The nozzle of outlet tube is located at the ullage of the liquid in acid-base reaction device.
In device for absorbing tail gas the lower end nozzle of the air inlet pipe of each conical flask extend into the liquid level of liquid in conical flask with
Under, the lower end nozzle of the escape pipe of each conical flask is located at the ullage of liquid in conical flask.
Tubular grid basket is the cylindrical tube shape of upper opening, and the bottom surface of tubular grid basket and barrel are plastic strip grid knot
Structure, barrel are equipped with one for adding the circular open that mouth is connected to catalyst.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model is suitble to the solid acid catalyst of such catalyst to add mouth for the design of heteropoly acid property, and
Ozonation aerated structure and sample tap are designed simultaneously, can efficiently, easily carry out catalytic oxidation and be measured by sampling, dedicated for
The catalytic ozonation activity rating of heteropllyacids compound；
(2) by the way that catalytic oxidation unit and catalyst separative unit to be combined, device is made to have both catalysis oxidation
Response function and solid-liquid separation function, system is complete, easy to operate, realizes homogeneous catalyst with being directly separated the mesh of recycling, more
Mend the defect that homogeneous catalytic oxidation is carried out using single device.
(3) present apparatus, which devises, adjusts pH, temperature and the structure for carrying out real-time monitoring, and to influencing, heteropoly acid catalysis is active
Principal element is more accurately controlled, and experimental provision bring error is reduced, and improves the credible of catalytically active assessment result
Degree, the application for heteropllyacids catalyst in water treatment field provide technical support.
Detailed description of the invention
The present invention will be further described below with reference to the drawings:
Fig. 1 is a kind of structural schematic diagram of heteropoly acid catalysis ozonisation device provided by the utility model；
Fig. 2 is the structural schematic diagram for adding the tubular grid basket that mouth is connected in the utility model with catalyst；
Fig. 3 is the structural schematic diagram of the cylinder volume grating in the filter device in the utility model；
In figure: 1. display screens, 2. catalyst oxidation reactor waste water injection ports, 3. catalyst oxidation reactors, 4. detecting heads, 5.
Catalyst adds mouth, 6. magnetic stirring apparatus, 7. acid addings and adds alkali mouth, 8. device for absorbing tail gas, 9. aeration sand heads, 10. sampling T-ways
Valve, 11. alkali-titration bottles, 12. acid-base reaction devices, 13. ring glass blenders, 14. filter devices.
Specific embodiment
The present invention is explained in detail with reference to the accompanying drawing:
As shown in Figure 1, a kind of catalytic ozonation device using typical heteropoly acid, including catalytic oxidation unit and urge
Agent separative unit:
Catalytic oxidation unit includes catalyst oxidation reactor 3, experiement control device and device for absorbing tail gas 8, catalysis
The nozzle of oxidation reactor 3 is closed by hard rubber plug cover and is closed, and is set on the tube wall of catalyst oxidation reactor 3 there are four tubule mouth,
In two tubule mouths be positioned at the catalyst oxidation reactor waste water injection port 2 on 3 top of catalyst oxidation reactor and positioned at urging respectively
The catalyst of 3 lower part of oxidation device adds mouth 5, and catalyst adds mouth 5 and is fixed in catalyst oxidation reactor 3 for containing
The tubular grid basket connection for filling catalyst, as shown in Fig. 2, tubular grid basket is the cylindric basket an of upper opening, bottom surface
It is plastic strip grid structure with barrel, barrel is equipped with one and adds the circular open that mouth 5 is connected to catalyst, and catalysis oxidation is anti-
It answers device waste water injection port 2 and catalyst to add and is provided with a shut-off valve on mouth 5；It is another on 3 tube wall of catalyst oxidation reactor
Outer two tubule mouths are positioned at the catalyst oxidation reactor offgas outlet on 3 top of catalyst oxidation reactor and positioned at catalysis oxygen respectively
Change the catalyst oxidation reactor wastewater outlet of 3 lower part of reactor, 3 bottom of catalyst oxidation reactor is equipped with one and ozone generator
The aeration sand head 9 of gas outlet connection, aeration sand head 9 are filled with ozone gas into catalyst oxidation reactor 3；Experiement control device packet
It includes display screen 1, detecting head 4, the magnetic stirring apparatus 6 with heating function and acid adding and adds alkali mouth 7, detecting head 4 is vertically put into catalysis
For measuring the temperature and pH value of liquid, 3 fixed placement of catalyst oxidation reactor below the liquid level of liquid in oxidation reactor 3
On magnetic stirring apparatus 6, acid adding adds alkali mouth 7 to be the glass funnel for having piston, and acid adding adds the down tube of alkali mouth 7 to pass through catalysis
The hard rubber plug of 3 opening of oxidation reactor is extend into catalyst oxidation reactor 3, and acid adding adds the nozzle position of the down tube of alkali mouth 7
The conducting wire of the ullage of liquid in catalyst oxidation reactor 3, detecting head 4 passes through the hard of 3 opening of catalyst oxidation reactor
Matter rubber plug is connect with display screen 1；Device for absorbing tail gas 8 is made of two closed conical flasks, and catalyst oxidation reactor tail gas goes out
Mouth is connected with the air inlet pipe of first conical flask in device for absorbing tail gas 8, the escape pipe and second cone of first conical flask
The air inlet pipe of shape bottle connects, and the escape pipe of second conical flask is connected to outside atmosphere, each conical flask in device for absorbing tail gas 8
Air inlet pipe lower end nozzle extend into liquid in conical flask liquid level hereinafter, the escape pipe of each conical flask lower end nozzle position
The ullage of liquid in conical flask；
Catalyst separative unit includes acid-base reaction device 12, titration outfit and filter device 14, and acid-base reaction device 12 is pipe
The uncovered glass tube there are two tubule mouth is set on wall, the nozzle of acid-base reaction device 12 is closed by hard rubber plug cover to be closed, acid-base reaction
The tubule mouth on 12 top of device is acid-base reaction device waste water injection port, and the tubule mouth of 12 lower part of acid-base reaction device is useless for acid-base reaction device
Water out, acid-base reaction device wastewater outlet are connect with filter device 14；Titration outfit includes with graduated alkali-titration bottle 11
With ring glass blender 13, the hard rubber plug that the outlet tube of alkali-titration bottle 11 passes through 12 nozzle of acid-base reaction device extend into acid
In alkali reactor 12, the nozzle of the outlet tube of alkali-titration bottle 11 is located at the ullage of the liquid in acid-base reaction device 12, ring
13 upper end of shape glassed agitator is fixed on the hard rubber of 12 nozzle of acid-base reaction device beyond the Great Wall, and the lower end of ring glass blender 13 is stretched
Enter the liquid level to the liquid in acid-base reaction device 12 hereinafter, the catalyst oxidation reactor wastewater outlet of catalyst oxidation reactor 3 and
The acid-base reaction device waste water injection port of acid-base reaction device 12 is connected by plastic piping, is provided with a sampling T-way valve on pipeline
10。
Wherein, the filter device 14 includes a raw glass pipe, be provided in raw glass pipe one it is as shown in Figure 3
Hollow cylinder volume grating is filled with filtering sandstone, the import of raw glass pipe and the acid of acid-base reaction device 12 in cylinder volume grating
Alkali reactor wastewater outlet passes through piping connection, the import of raw glass pipe and the acid-base reaction device wastewater outlet of acid-base reaction device 12
Between pipeline on be provided with a shut-off valve.
The processing step of waste water are as follows: waste water is entered by the catalyst oxidation reactor waste water injection port 2 with shut-off valve and urged
Oxidation unit adds mouth 5 by catalyst and adds a certain amount of heteropoly acid, utilizes acid adding plus alkali mouth 7, magnetic stirring apparatus 6
Experiment condition, system temperature that the continuously display detecting head 4 of display screen 1 is measured, pH value index are controlled, ozone passes through rubber tube
The aeration sand head 9 for reaching end connection is aerated, and catalytic oxidation is carried out, and unreacted ozone passes through catalysis in reactor
Oxidation reactor offgas outlet is drained into absorption plant 8, twice in succession by being discharged in air after absorbing liquid；Through catalytic treatment
Waste water afterwards enters catalyst separative unit by plastic piping, measures pollution using the sampling T-way valve sampling on pipeline
Object concentration in acid-base reaction device, is added remaining miscellaneous more in lye, with system with evaluating catalyst activity by titration outfit
Acid reaction generates precipitating, and the catalyst being separated by filtration out in waste water is recycled, and clarified solution has been discharged from filter device 14
At wastewater treatment.
Multiple catalytic ozonation experiment, examination device evaluation heteropllyacids catalysis are carried out testing indoor the utility model
The stability of agent catalytic activity, and measure the accuracy of control reaction condition.
Simulated wastewater is handled using the utility model, 5 groups of experiments are 52.4% to the average removal rate of pollutant.
Using the coefficient of variation (relative standard deviation) as collimation evaluation index, the coefficient of variation is less than or equal to 5% and is considered as with flat
Row.The utility model device coefficient of variation is 2.8%, less than 5%, has preferable repeatability.
Claims (8)
1. a kind of heteropoly acid catalysis ozonizes device, including catalytic oxidation unit and catalyst separative unit, feature exist
In:
Catalytic oxidation unit includes catalyst oxidation reactor (3), experiement control device and device for absorbing tail gas (8), catalysis
The nozzle of oxidation reactor (3) is closed by hard rubber plug cover and is closed, and sets that there are four tubules on the tube wall of catalyst oxidation reactor (3)
Mouthful, two of them tubule mouth is the catalyst oxidation reactor waste water injection port (2) positioned at catalyst oxidation reactor (3) top respectively
It is added mouth (5) with the catalyst for being located at catalyst oxidation reactor (3) lower part, catalyst adds mouth (5) and is fixed on catalysis oxidation
It is connected in reactor (3) for the tubular grid basket of holding catalyst；Other two on catalyst oxidation reactor (3) tube wall is thin
Nozzle is positioned at the catalyst oxidation reactor offgas outlet on catalyst oxidation reactor (3) top and positioned at catalytic oxidation respectively
The catalyst oxidation reactor wastewater outlet of device (3) lower part, catalyst oxidation reactor (3) bottom are equipped with one and go out with ozone generator
The aeration sand head (9) of port connection, aeration sand head (9) are filled with ozone gas into catalyst oxidation reactor (3)；Experiment control dress
It sets and adds alkali mouth (7), detecting head including display screen (1), detecting head (4), the magnetic stirring apparatus (6) with heating function and acid adding
(4) for measuring the temperature and pH value of liquid below the liquid level for the liquid being vertically put into catalyst oxidation reactor (3), it is catalyzed oxygen
Change reactor (3) fixed placement on magnetic stirring apparatus (6), acid adding adds alkali mouth (7) to be the glass funnel for having piston, adds
The hard rubber plug that the down tube of acid plus alkali mouth (7) passes through catalyst oxidation reactor (3) opening extend into catalyst oxidation reactor (3)
In, the hard rubber plug that the conducting wire of detecting head (4) passes through catalyst oxidation reactor (3) opening is connect with display screen (1)；Tail gas is inhaled
Receiving apparatus (8) is made of two closed conical flasks, and in catalyst oxidation reactor offgas outlet and device for absorbing tail gas (8)
The air inlet pipe connection of one conical flask, the escape pipe of first conical flask are connect with the air inlet pipe of second conical flask, and second
The escape pipe of conical flask is connected to outside atmosphere；
Catalyst separative unit includes acid-base reaction device (12), titration outfit and filter device (14), and acid-base reaction device (12) is
The uncovered glass tube there are two tubule mouth is set on tube wall, the nozzle of acid-base reaction device (12) is closed by hard rubber plug cover to be closed, soda acid
The tubule mouth on reactor (12) top is acid-base reaction device waste water injection port, and the tubule mouth of acid-base reaction device (12) lower part is soda acid
Reactor wastewater outlet, acid-base reaction device wastewater outlet are connect with filter device (14)；Titration outfit includes with graduated alkali
The outlet tube of liquid titration bottle (11) and ring glass blender (13), alkali-titration bottle (11) passes through acid-base reaction device (12) nozzle
Hard rubber plug extend into acid-base reaction device (12), ring glass blender (13) upper end be fixed on acid-base reaction device (12) pipe
Mouthful hard rubber beyond the Great Wall, the lower end of ring glass blender (13) extend into the liquid level of the liquid in acid-base reaction device (12) with
Under, the catalyst oxidation reactor wastewater outlet of catalyst oxidation reactor (3) and the acid-base reaction device waste water of acid-base reaction device (12)
Injection port passes through piping connection.
2. a kind of heteropoly acid catalysis according to claim 1 ozonizes device, which is characterized in that the filter device
(14) include a raw glass pipe, be provided with a hollow cylinder volume grating in raw glass pipe, be filled in cylinder volume grating
Sandstone is filtered, the import of raw glass pipe and the acid-base reaction device wastewater outlet of acid-base reaction device (12) pass through piping connection, thick glass
A shut-off valve is provided on pipeline between the import of glass pipe and the acid-base reaction device wastewater outlet of acid-base reaction device (12).
3. a kind of heteropoly acid catalysis according to claim 1 ozonizes device, which is characterized in that catalyst oxidation reactor is useless
A shut-off valve is provided on water injection port (2).
4. a kind of heteropoly acid catalysis according to claim 1 ozonizes device, which is characterized in that catalyst adds mouth (5)
On be provided with a shut-off valve.
5. a kind of heteropoly acid catalysis according to claim 1 ozonizes device, which is characterized in that catalyst oxidation reactor
(3) pass through pipeline between the acid-base reaction device waste water injection port of catalyst oxidation reactor wastewater outlet and acid-base reaction device (12)
Connection, the catalyst oxidation reactor wastewater outlet of catalyst oxidation reactor (3) and the acid-base reaction device of acid-base reaction device (12) are useless
A sampling T-way valve (10) is provided on pipeline between water injection port.
6. a kind of heteropoly acid catalysis according to claim 1 ozonizes device, which is characterized in that acid adding adds alkali mouth (7)
The nozzle of down tube is located at the ullage of liquid in catalyst oxidation reactor (3), the nozzle of the outlet tube of alkali-titration bottle (11)
The ullage of liquid in acid-base reaction device (12).
7. a kind of heteropoly acid catalysis according to claim 1 ozonizes device, which is characterized in that device for absorbing tail gas (8)
In each conical flask air inlet pipe lower end nozzle extend into liquid in conical flask liquid level hereinafter, each conical flask escape pipe
Lower end nozzle be located at the ullage of liquid in conical flask.
8. a kind of heteropoly acid catalysis according to claim 1 ozonizes device, which is characterized in that tubular grid basket is top
The cylindrical tube shape of opening, the bottom surface of tubular grid basket and barrel are plastic strip grid structure, and barrel is equipped with one and is used for and urges
Agent adds the circular open of mouth (5) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821698675.8U CN208980400U (en) | 2018-10-19 | 2018-10-19 | A kind of heteropoly acid catalysis ozonisation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821698675.8U CN208980400U (en) | 2018-10-19 | 2018-10-19 | A kind of heteropoly acid catalysis ozonisation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208980400U true CN208980400U (en) | 2019-06-14 |
Family
ID=66788181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821698675.8U Expired - Fee Related CN208980400U (en) | 2018-10-19 | 2018-10-19 | A kind of heteropoly acid catalysis ozonisation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208980400U (en) |
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2018
- 2018-10-19 CN CN201821698675.8U patent/CN208980400U/en not_active Expired - Fee Related
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Granted publication date: 20190614 Termination date: 20191019 |