CN206901768U - A kind of oxidation tower apparatus for producing hydrogen peroxide - Google Patents
A kind of oxidation tower apparatus for producing hydrogen peroxide Download PDFInfo
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- CN206901768U CN206901768U CN201720696714.XU CN201720696714U CN206901768U CN 206901768 U CN206901768 U CN 206901768U CN 201720696714 U CN201720696714 U CN 201720696714U CN 206901768 U CN206901768 U CN 206901768U
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Abstract
It the utility model is related to a kind of oxidation tower apparatus for producing hydrogen peroxide, including vertical oxidizing tower body, the top center of oxidizing tower body is provided with oxidizing tower gaseous phase outlet, the upper portion side wall of oxidizing tower body is connected with the oxidizing tower hydride entrance above liquid level line, the bottom of oxidizing tower body is provided with air distribution device, air distribution device is connected with the total air intake of oxidizing tower, and the bottom centre of oxidizing tower body exports provided with oxidizing tower；The oxidation tower tray of multiple tracks horizontal circle plate-like is uniformly provided with along the short transverse of oxidizing tower body；Multiple oxidation tower tray air-vents are uniformly densely covered with each oxidation tower tray, descending liquid mouth is respectively equipped with each layer oxidation tower tray and is connected with the downspout to next layer of oxidation tower tray extension；Descending liquid mouth on the tower tray of odd-level oxidation from top to bottom is located on the axis of oxidizing tower body, and the descending liquid mouth of even level oxidation tower tray is symmetrical arranged and close to the inwall of oxidizing tower body.The manufacturing cost and unit consumption of product of the utility model oxidizing tower are low, and oxidation efficiency is high.
Description
Technical field
A kind of oxidation tower apparatus for producing hydrogen peroxide is the utility model is related to, belongs to hydrogen peroxide manufacturing equipment technology neck
Domain.
Background technology
Hydrogen peroxide is a kind of important Inorganic Chemicals, is widely used in the fields such as papermaking, weaving, medicine, environmental protection.
Hydrogen peroxide produces water and oxygen after decomposing, and does not have secondary pollution to environment, meets the theory of green production.
In the prior art, hydrogen peroxide generally is produced by anthraquinone, anthraquinone is the palladium using 2- EAQs as carrier
For catalyst, hydrogen peroxide is directly combined to by hydrogen and oxygen, successively will be through works such as over hydrogenation, oxidation, extraction and post processings
Sequence.Wherein hydrogenation be anthraquinone working solution in the presence of certain pressure, temperature and palladium catalyst, hydrogenated with hydrogen
Reaction, hydrogen anthraquinone is produced, hydride then is sent into oxidizing tower carries out oxidation reaction.
Traditional oxidizing tower is cavity tower body, and hydride and air enter in oxidizing tower from bottom simultaneously, while stirring one
Side is up, and air bubble is bigger, and the contact area of hydride and air is small, and oxidation efficiency will generally set oxidation than relatively low
Tower is saved in upper section tower, oxidation and the lower section tower of oxidation is carried out after repeatedly aoxidizing, extraction process could be entered.Equipment investment is big, oxidation
Efficiency is low.
Utility model content
The purpose of this utility model is, overcome problems of the prior art, there is provided a kind of hydrogen peroxide that produces
Tower apparatus is aoxidized, simple and compact device, manufacturing cost is low, and oxidation efficiency is high, and oxidation reaction is thorough, and floor space is small, product list
Consume low.
To solve above technical problem, a kind of oxidation tower apparatus for producing hydrogen peroxide of the present utility model, including vertical
Oxidizing tower body, the top center of the oxidizing tower body is provided with oxidizing tower gaseous phase outlet, the top of the oxidizing tower body
Side wall is connected with oxidizing tower hydride entrance, and the oxidizing tower hydride entrance is located above the liquid level line of oxidizing tower body, institute
The bottom for stating oxidizing tower body is provided with air distribution device, and the air distribution device is always empty with the oxidizing tower on oxidizing tower body
Gas entrance connects, and the bottom centre of the oxidizing tower body exports provided with oxidizing tower；It is uniform along the short transverse of oxidizing tower body
Oxidation tower tray provided with multiple tracks horizontal circle plate-like；Multiple oxidation tower tray air-vents are uniformly densely covered with each oxidation tower tray, respectively
Descending liquid mouth is respectively equipped with layer oxidation tower tray, each descending liquid mouth is connected to the descending liquid to next layer of oxidation tower tray extension
Pipe；Descending liquid mouth on the tower tray of odd-level oxidation from top to bottom is located on the axis of oxidizing tower body, on even level oxidation tower tray
Descending liquid mouth is symmetrical arranged and close to the inwall of oxidizing tower body.
Relative to prior art, the utility model achieves following beneficial effect：Compressed air is distributed by the air of bottom
Device is distributed into numerous bubbles, flows from bottom to top；Hydrogen anthraquinone liquid enters oxidizing tower sheet from the oxidizing tower hydride entrance on top
In vivo, fall first on the oxidation tower tray of top layer, then from periphery to center flow, fallen from the descending liquid mouth and downspout at center
Afterwards, the second layer is reached then from center to perimeter, and so successively then advection flows downward.It is stingy during air flows upwards
Bubble is easily mutually collided, assembled, being bonded into larger bubble, when air pocket reaches the lower section of oxidation tower tray, is oxidized tower tray
Air-vent is divided into numerous minute bubbles again, considerably increases the specific surface area of bubble, when hydride flows through oxide regions, with
Countless minute bubbles are in contact, and contact area is big, good mixing.Air pocket is oxidized tower tray and divided again for several times in uphill process
Tiny bubble is segmented into, substantially increases oxidation efficiency, as long as an oxidizing tower can be properly completed the oxidation of hydrogen anthraquinone liquid, is subtracted
Equipment investment and production cost are lacked.Hydrogen anthraquinone liquid aoxidizes one side advection on tower tray while occurring with the oxygen in bubble in each layer
Oxidation reaction generates hydrogen peroxide, and counter-current flow is presented with air in hydride, and hydride flows to what is contacted during oxidation tower bottom
It is most ozone, to ensure that oxidation reaction is properly completed, then exports outflow from the oxidizing tower of bottom.Adjacent layer oxidizing tower
The descending liquid mouth of disk mutually stagger hydride is flowed downward while in the horizontal direction formed repeatedly turn back, extend hydride
Flow distance, also extend the time of contact of hydride and oxygen, be advantageous to hydrogen anthraquinone liquid turns into peroxidating by exhaustive oxidation
Hydrogen.Oxidizing tower hydride entrance, which is located above liquid level line, can prevent oxidation solution and choke in hydrogen anthraquinone liquid pipe road, avoid to upper track
Form pollution.
As improvement of the present utility model, being provided with below the downspout of odd-level oxidation tower tray makes what liquid spread to surrounding
Deflection cone, the lower end closed and lower sides of the downspout of even level oxidation tower tray are provided with the descending liquid towards oxidizing tower inner body wall
Pipe liquid outlet.Liquid flows out from the downspout of odd-level oxidizing tower disk center, falls and aoxidizes tower tray to even level on deflection cone
Surrounding uniformly spreads, then drops down onto next odd-level, even level downspout from the downspout positioned at even level oxidation tower tray periphery
Downspout liquid outlet towards oxidizing tower body inwall so that liquid is first covered with whole periphery, then again from periphery to center
Descending liquid mouth flowing, so successively all flowed through oxidation tower tray whole radius so that the flow distance of liquid is most long, maximum limit
It make use of the space of oxidizing tower degree.
As further improvement of the utility model, the inner chamber of the oxidizing tower is provided with inlet bend and the oxidizing tower hydrogen
Change liquid entrance to be connected, the lower end outlet of the inlet bend is below the liquid level line of oxidizing tower body and close to oxidizing tower body
Inwall.The lower end outlet of inlet bend forms fluid-tight below liquid level line, and hydrogen anthraquinone liquid exports from the lower end of inlet bend
After outflow, flowed downward along the inwall of oxidizing tower body, and fall and aoxidize tower tray periphery in top layer, then from periphery advection to oxidation
The center outflow of tower tray, flows while being aoxidized with air contact, it is ensured that all hydrogen anthraquinone liquid completely flow through
The radius of tower tray is aoxidized, makes oxidation more thorough.
As further improvement of the utility model, the aperture of the oxidation tower tray air-vent is 3~6mm, adjacent oxidation
Centre-to-centre spacing between tower tray air-vent is 35~40mm.Make bubble that there is very big specific surface area, and each oxygen can be passed through
Change tower tray air-vent, it is abundant with the mixing of hydride.
As further improvement of the utility model, oxidizing tower capturing device is installed at the oxidizing tower gaseous phase outlet.
Oxidizing tower capturing device can catch foam, avoid droplets from flying out from oxidizing tower gaseous phase outlet.
As further improvement of the utility model, the air distribution device includes and the total air intake of the oxidizing tower
Connected air main, diameter extension of the air main along the oxidizing tower, along the length direction point of the air main
The more air branch pipes perpendicular to air main are not connected with, and each air branch pipe is parallel to each other, uniform intervals and positioned at same
In one plane, the top of the air main and each air branch pipe is uniformly densely covered with least two air-discharging dispensing orifices respectively.It is empty
Gas initially enters air main, is then divided into multiple tributaries and respectively enters each air branch pipe, then is distributed by the air of multiple rows of multiple row
Hole is divided into tiny air bubble, and the aperture of air dispensing orifice is 3~6mm so that the diameter very little of each air bubble, increases
The specific surface area of air, the contact surface of air and hydride is expanded, be advantageous to improve oxidation efficiency.
As further improvement of the utility model, each layer oxidation tower tray is respectively arranged below with spiral condenser.By
It is exothermic reaction in the oxidation reaction of hydrogen anthraquinone liquid, spiral condenser is respectively arranged below in each layer oxidation tower tray, can be with
Hydride is cooled down in time.
As further improvement of the utility model, the outer wall of the oxidizing tower body is wound with multigroup semicanal condenser,
Each semicanal condenser is respectively between adjacent two layers oxidation tower tray, and using the flow direction of low in and high out.Half and half pipework condensation
Device can be cooled down paragraph by paragraph to oxidizing tower body, make the uniform temperature fields of whole oxidizing tower.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description, accompanying drawing only provides ginseng
Examine and used with explanation, be not used to limit the utility model.
Fig. 1 is the front view for the oxidation tower apparatus that the utility model produces hydrogen peroxide.
Fig. 2 is the structural representation that tower tray is aoxidized in Fig. 1.
Fig. 3 is the top view that odd-level aoxidizes tower tray in Fig. 1.
Fig. 4 is the top view that even level aoxidizes tower tray in Fig. 1.
Fig. 5 is the structural representation of spiral condenser in Fig. 1.
Fig. 6 is the structural representation of air distribution device in Fig. 1.
Fig. 7 is the schematic cross-section of air branch pipe in Fig. 6.
In figure：1. oxidizing tower body；1a. oxidizing tower gaseous phase outlets；1b. oxidizing tower hydride entrances；1c. oxidizing towers are always empty
Gas entrance；1d. oxidizing towers export；2. oxidizing tower capturing device；3. inlet bend；4. aoxidize tower tray；4a. oxidation tower trays are breathed freely
Hole；4b. descending liquid mouths；5. downspout；5a. downspout liquid outlets；6. deflection cone；7. spiral condenser；8. semicanal condenser；9.
Air distribution device；9a. air mains；9b. air branch pipes；9c. air dispensing orifices.
Embodiment
As shown in Figures 1 to 4, the oxidation tower apparatus of the utility model production hydrogen peroxide, including vertical oxidizing tower sheet
Body 1, the top center of oxidizing tower body 1 are provided with oxidizing tower gaseous phase outlet 1a, and the upper portion side wall of oxidizing tower body 1 is connected with oxidation
Tower hydride entrance 1b, oxidizing tower hydride entrance 1b are located above the liquid level line of oxidizing tower body 1, under oxidizing tower body 1
Portion is provided with air distribution device 9, and air distribution device 9 is connected with the total air intake 1c of the oxidizing tower on oxidizing tower body 1, oxidation
The bottom centre of tower body 1 is provided with oxidizing tower outlet 1d；Multiple tracks centrifugal disc is uniformly provided with along the short transverse of oxidizing tower body 1
The oxidation tower tray 4 of shape；Multiple oxidation tower tray air-vent 4a are uniformly densely covered with each oxidation tower tray 4, are distinguished on each layer oxidation tower tray 4
Provided with descending liquid mouth 4b, each descending liquid mouth 4b is connected to the downspout 5 to next layer of oxidation tower tray extension；Odd-level from top to bottom
Oxidation tower tray on descending liquid mouth be located on the axis of oxidizing tower body 1, even level aoxidize tower tray on descending liquid mouth be symmetrical arranged and
Close to the inwall of oxidizing tower body 1.
Compressed air is distributed into numerous bubbles by the air distribution device 9 of bottom, flows from bottom to top；Hydrogen anthraquinone liquid is from upper
The oxidizing tower hydride entrance 1b in portion enter oxidizing tower body 1 in, fall first on the oxidation tower tray of top layer, then from periphery to
Center flow, after the descending liquid mouth and downspout 5 at center are fallen, the second layer is reached then from center to perimeter, so successively
Then advection flows downward.During air flows upwards, minute bubbles are easily mutually collided, assembled, being bonded into larger bubble, when big
When bubble reaches the lower section of oxidation tower tray, it is oxidized tower tray air-vent and is divided into numerous minute bubbles again, considerably increase gas
The specific surface area of bubble, when hydride flows through oxide regions, it is in contact with countless minute bubbles, contact area is big, good mixing.Greatly
Bubble is oxidized tower tray and is divided into tiny bubble again for several times in uphill process, substantially increases oxidation efficiency.Hydrogen anthraquinone
Liquid each layer oxidation tower tray on one side advection on one side with bubble oxygen occur oxidation reaction generation hydrogen peroxide, hydride and
Counter-current flow is presented in air, and contact is most ozone when hydride flows to oxidation tower bottom, to ensure oxidation reaction
It is properly completed, then from the oxidizing tower outlet 1d outflows of bottom.The descending liquid mouth of adjacent layer oxidation tower tray mutually staggers and makes hydride
Flow downward and repeatedly turned back while being formed in the horizontal direction, extend the flow distance of hydride, also extend hydride
With the time of contact of oxygen, be advantageous to hydrogen anthraquinone liquid turns into hydrogen peroxide by exhaustive oxidation.Oxidizing tower hydride entrance 1b is located at
Oxidation solution can be prevented above liquid level line to choke in hydrogen anthraquinone liquid pipe road, avoid forming upper track and pollute.
Being provided with below the downspout of odd-level oxidation tower tray makes the deflection cone 6 that liquid spreads to surrounding, even level oxidizing tower
The lower end closed and lower sides of the downspout of disk are provided with the downspout liquid outlet 5a towards the inwall of oxidizing tower body 1.Liquid from
The downspout outflow of odd-level oxidizing tower disk center, the surrounding for falling to aoxidize tower tray to even level on deflection cone 6 uniformly spread, then
Next odd-level, the downspout liquid outlet 5a of even level downspout are dropped down onto from the downspout positioned at even level oxidation tower tray periphery
Towards the inwall of oxidizing tower body 1 so that liquid is first covered with whole periphery, then the descending liquid mouth flowing from periphery to center again,
The whole radius of oxidation tower tray is so successively all flowed through so that the flow distance of liquid is most long, has maximally utilised oxygen
Change the space of tower.
The inner chamber of oxidizing tower is connected provided with inlet bend 3 with oxidizing tower hydride entrance 1b, the lower end outlet of inlet bend 3
Below the liquid level line of oxidizing tower body 1 and close to the inwall of oxidizing tower body 1.The lower end outlet of inlet bend 3 is located at liquid
Below bit line, fluid-tight is formed, hydrogen anthraquinone liquid is downward along the inwall of oxidizing tower body 1 after the lower end of inlet bend 3 outlet outflow
Flowing, and falling on top layer oxidation tower tray periphery, then from periphery advection to the center outflow of oxidation tower tray, flow while with
Air contact is aoxidized, it is ensured that the radius of all hydrogen anthraquinone liquid complete stream peroxidating tower trays, makes oxidation more thorough.
The aperture for aoxidizing tower tray air-vent 4a be 3~6mm, the centre-to-centre spacing between adjacent oxidation tower tray air-vent 4a is 35~
40mm.Make bubble that there is very big specific surface area, and each oxidation tower tray air-vent 4a, the mixing with hydride can be passed through
Fully.
Oxidizing tower capturing device 2 is installed at oxidizing tower gaseous phase outlet 1a.Oxidizing tower capturing device 2 can catch foam,
Avoid droplets from flying out from oxidizing tower gaseous phase outlet 1a.
The outer wall of oxidizing tower body 1 is wound with multigroup semicanal condenser 8, and half and half pipework condensation device 8 is located at adjacent two layers respectively
Between aoxidizing tower tray, and using the flow direction of low in and high out.Half and half pipework condensation device 8 can be cooled down paragraph by paragraph to oxidizing tower body 1,
Make the uniform temperature fields of whole oxidizing tower.
As shown in Figure 1, shown in Figure 5, each layer oxidation tower tray is respectively arranged below with spiral condenser 7.Due to hydrogen anthraquinone liquid
Oxidation reaction is exothermic reaction, and spiral condenser 7 is respectively arranged below in each layer oxidation tower tray, can be in time to hydride
Cooled down.
As shown in Figure 6, Figure 7, air distribution device 9 includes the air main 9a being connected with the total air intake 1c of oxidizing tower,
Diameter extensions of the air main 9a along oxidizing tower, is connected to more along air main 9a length direction and is done perpendicular to air
Pipe 9a air branch pipe 9b, each air branch pipe 9b is parallel to each other, uniform intervals and in the approximately the same plane, air main 9a and
Each air branch pipe 9b top is uniformly densely covered with least two air-discharging dispensing orifice 9c respectively.Air initially enters air main 9a,
Then it is divided into multiple tributaries and respectively enters each air branch pipe 9b, then tiny sky is divided into by the air dispensing orifice 9c of multiple rows of multiple row
Bubble, air dispensing orifice 9c aperture is 3~6mm so that the diameter very little of each air bubble, increases the ratio surface of air
Product, the contact surface of air and hydride is expanded, be advantageous to improve oxidation efficiency.
It the foregoing is only the preferable possible embodiments of the utility model, non-therefore limitation patent of the present utility model
Protection domain.In addition to the implementation, the utility model can also have other embodiment, all to use equivalent substitution or equivalent change
The technical scheme to be formed is changed, is all fallen within the protection domain of the requires of the utility model.Technology of the utility model without description is special
Sign can be realized by or using prior art, will not be repeated here.
Claims (8)
1. a kind of oxidation tower apparatus for producing hydrogen peroxide, including vertical oxidizing tower body, it is characterised in that：The oxidizing tower
The top center of body is provided with oxidizing tower gaseous phase outlet, and the upper portion side wall of the oxidizing tower body is connected with oxidizing tower hydride and entered
Mouthful, the oxidizing tower hydride entrance is located above the liquid level line of oxidizing tower body, and the bottom of the oxidizing tower body is provided with sky
Vapour-liquid distribution device, the air distribution device are connected with the total air intake of the oxidizing tower on oxidizing tower body, the oxidizing tower sheet
The bottom centre of body exports provided with oxidizing tower；The oxidation of multiple tracks horizontal circle plate-like is uniformly provided with along the short transverse of oxidizing tower body
Tower tray；Multiple oxidation tower tray air-vents are uniformly densely covered with each oxidation tower tray, descending liquid is respectively equipped with each layer oxidation tower tray
Mouthful, each descending liquid mouth is connected to the downspout to next layer of oxidation tower tray extension；The tower tray of odd-level oxidation from top to bottom
On descending liquid mouth be located on the axis of oxidizing tower body, the descending liquid mouth on even level oxidation tower tray is symmetrical arranged and close to oxidizing tower
The inwall of body.
2. the oxidation tower apparatus of production hydrogen peroxide according to claim 1, it is characterised in that：Odd-level oxidation tower tray
Being provided with below downspout makes the deflection cone that liquid spreads to surrounding, the lower end closed of the downspout of even level oxidation tower tray and bottom
Side wall is provided with the downspout liquid outlet towards oxidizing tower inner body wall.
3. the oxidation tower apparatus of production hydrogen peroxide according to claim 2, it is characterised in that：The inner chamber of the oxidizing tower
It is connected provided with inlet bend with the oxidizing tower hydride entrance, the lower end outlet of the inlet bend is positioned at oxidizing tower body
Below liquid level line and close to the inwall of oxidizing tower body.
4. the oxidation tower apparatus of production hydrogen peroxide according to claim 2, it is characterised in that：The oxidation tower tray is breathed freely
The aperture in hole is 3~6mm, and the centre-to-centre spacing between adjacent oxidation tower tray air-vent is 35~40mm.
5. the oxidation tower apparatus of production hydrogen peroxide according to claim 1, it is characterised in that：The oxidizing tower gas phase goes out
Oxidizing tower capturing device is installed at mouthful.
6. the oxidation tower apparatus of production hydrogen peroxide according to any one of claim 1 to 5, it is characterised in that：It is described
Air distribution device includes the air main that is connected with the total air intake of the oxidizing tower, and the air main is along the oxidizing tower
Diameter extension, be connected to the more air branch pipes perpendicular to air main along the length direction of the air main, respectively
The air branch pipe is parallel to each other, uniform intervals and in the approximately the same plane, the top of the air main and each air branch pipe
Portion is uniformly densely covered with least two air-discharging dispensing orifices respectively.
7. the oxidation tower apparatus of production hydrogen peroxide according to any one of claim 1 to 5, it is characterised in that：Each layer
Oxidation tower tray is respectively arranged below with spiral condenser.
8. the oxidation tower apparatus of production hydrogen peroxide according to any one of claim 1 to 5, it is characterised in that：It is described
The outer wall of oxidizing tower body is wound with multigroup semicanal condenser, and each semicanal condenser is respectively positioned at adjacent two layers oxidation tower tray
Between, and using the flow direction of low in and high out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720696714.XU CN206901768U (en) | 2017-06-15 | 2017-06-15 | A kind of oxidation tower apparatus for producing hydrogen peroxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720696714.XU CN206901768U (en) | 2017-06-15 | 2017-06-15 | A kind of oxidation tower apparatus for producing hydrogen peroxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206901768U true CN206901768U (en) | 2018-01-19 |
Family
ID=61284705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720696714.XU Active CN206901768U (en) | 2017-06-15 | 2017-06-15 | A kind of oxidation tower apparatus for producing hydrogen peroxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206901768U (en) |
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2017
- 2017-06-15 CN CN201720696714.XU patent/CN206901768U/en active Active
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Address after: No. 301, Wangjiang Road, economic and Technological Development Zone, Yangzhou City, Jiangsu Province Patentee after: Yangzhou Huitong Technology Co.,Ltd. Address before: No. 301, Wangjiang Road, economic and Technological Development Zone, Yangzhou City, Jiangsu Province Patentee before: YANGZHOU HUITONG CHEMICAL TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |