CN207158871U - A kind of sulfur-containing waste water catalytic oxidation reaction device - Google Patents
A kind of sulfur-containing waste water catalytic oxidation reaction device Download PDFInfo
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- CN207158871U CN207158871U CN201720962009.XU CN201720962009U CN207158871U CN 207158871 U CN207158871 U CN 207158871U CN 201720962009 U CN201720962009 U CN 201720962009U CN 207158871 U CN207158871 U CN 207158871U
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- sulfur
- waste water
- containing waste
- reaction vessel
- catalytic oxidation
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Abstract
A kind of sulfur-containing waste water catalytic oxidation reaction device, pass through the combination of gas-liquid cycle stream and catalytic type floating stuffing recycle stream, it can be advantageous to improve catalytic efficiency and sulfide removal efficiency, so as to improve effluent quality and reduce operating cost, it is characterized in that, including reaction vessel, the guide shell of aeration plate and both ends open is provided with the reaction vessel, one end open of the aeration outlet of the aeration plate towards the guide shell, the aeration plate connecting gas transmission pipe, the appendix extend to the outside of the reaction vessel.
Description
Technical field
Sulfur-containing waste water treatment technology is the utility model is related to, particularly a kind of sulfur-containing waste water catalytic oxidation reaction device, is led to
The combination of gas-liquid cycle stream and catalytic type floating stuffing recycle stream is crossed, can be advantageous to improve catalytic efficiency and sulfide removes effect
Rate, so as to improve effluent quality and reduce operating cost.
Background technology
In the life of leather, oil refining, petrochemical industry, pharmacy, printing and dyeing, fuel, weaving, coke, coal gas, paper pulp and a variety of industrial chemicals
Sulfur-containing waste water can be all produced during production.Sulfide in sulfur-containing waste water has toxicity, corrosivity, has to aquatic microorganisms stronger
Ability of killing livestock, have stronger destructive power to ecological environment.In addition, sulfide in waste water can also be sent out with the iron ion in water etc.
Raw reaction, water quality is blacked smelly, environment is polluted.If the biological treatment structures water inlet vulcanization in Waste Water Treatment
Thing is exceeded, then whole biological treatment system can be made to paralyse, cause final outflow water not up to standard, and serious environment is caused to discharge water body
Pollution.Therefore the sulfur-containing waste water in producing must be dealt carefully with.As society is to the pay attention to day by day of environmental protection, occur some
Waste water sulfide treatment technology and equipment.Homogeneous catalytic oxidation process has higher because having good mass transfer rate
Catalytic activity.But the inventors discovered that, metal ion catalyst losing issue be present during being somebody's turn to do, therefore greatly limit
Its practical application.And metal ion is eventually introduced in processed water, has brought the process problem to subsequent metal ion.
Heterogeneous catalytic oxidation technology is to accelerate the oxidation reaction of liquid phase at ambient pressure using solid catalyst.Catalyst is in solid form
In the presence of being easily isolated, secondary pollution is few, simplifies handling process.In various heterogeneous catalytic oxidations, the catalyst master that is related to
To be noble metal, the metal oxide in transition metal and the porous material (such as activated carbon, zeolite) with large specific surface area
Deng.In heterogeneous catalytic oxidation, it is important to obtain efficient, cheap, harmless catalyst.
There is a kind of C catalyst for scribbling insoluble copper compound to be used to be oxidation of the sulfide into sulfate in the prior art
Method.But the inventors discovered that, this coated expensive catalyst, copper compound is readily soluble in water, and stability is poor.
There is a kind of untreated porous carbon fiber to be used for the method for being oxidation of the sulfide into sulfate, the reaction used in the prior art
Device is fixed bed fountain reactor.But the inventors discovered that the load that each layer catalyst is born in this reactor is different,
The superiors easily first fail, and more catalyst changeout is also inconvenient in addition, and catalytic effect is also general.
Utility model content
The utility model is for defect or deficiency present in prior art, there is provided a kind of sulfur-containing waste water catalytic oxidation
Device, by the combination of gas-liquid cycle stream and catalytic type floating stuffing recycle stream, it can be advantageous to improve catalytic efficiency and vulcanization
Thing removal efficiency, so as to improve effluent quality and reduce operating cost.
Technical solutions of the utility model are as follows：
A kind of sulfur-containing waste water catalytic oxidation reaction device, it is characterised in that including reaction vessel, set in the reaction vessel
The guide shell of aeration plate and both ends open is equipped with, the aeration of the aeration plate exports the one end open towards the guide shell, institute
Aeration plate connecting gas transmission pipe is stated, the appendix extends to the outside of the reaction vessel.
The side wall of the reaction vessel is provided with delivery port, is provided with water outlet grid on the inside of the delivery port, it is described go out
The outside connection outlet pipe at the mouth of a river, the side wall of the reaction vessel are connected with sulfur-containing waste water water inlet pipe.
The aeration plate is located at the bottom of the reaction vessel.
Being added in the reaction vessel has catalytic type floating stuffing, the gas-liquid that the catalytic type floating stuffing is formed in aeration
Area being flowed up along the cylinder internal channel of the guide shell in recycle stream to rise, and being declined along cylinder outer space Ji Jiangliu areas, formation is urged
Change type floating stuffing recycle stream.
The appendix is connected with blower fan.
The outside of the catalytic type floating stuffing is common suspension ball filler, and the hollow of load manganese dioxide is distributed with inside
Carbon fiber.
The hollow carbon fiber of the load manganese dioxide has cyclic structure, and the cyclic structure includes outer shroud and inner ring,
The outer shroud is manganese dioxide coating, and the inner ring is fibers carbonization layer, is hollow area in the inner ring.
Manganese dioxide in the manganese dioxide coating is Nano grade, and its crystal formation is α types.
Technique effect of the present utility model is as follows：A kind of sulfur-containing waste water catalytic oxidation reaction device of the present utility model, lead to
Cross aeration plate and the guide shell of both ends open this combination forms gas-liquid cycle stream and catalytic type floating stuffing recycle stream, catalysis effect
Rate is high, and operating cost is low.Due to the mutual collision between the special fluidised form and filler of gas-liquid cycle stream and filler recycle stream, contact,
The contact area and frequency of catalytic type floating stuffing, air and sulfide three of intaking are considerably increased, improves sulphur in waste water
The removal efficiency of compound, effluent quality are good.
Compared with prior art, the utility model has the characteristics that：1) relative to adding homogeneous catalyst such as MnSO4·
H2O, can substantially reduce add homogeneous catalyst medicament expense use and chemical sludge handle, disposal costs.2) relative to your gold of covering
The C catalyst of category or insoluble copper compound etc., cover MnO2Hollow carbon fiber catalyst cheaper.3) MnO is covered2
Hollow carbon fiber on catalyst efficiency high, operating cost is low.4) urged relative to the carbon for covering insoluble copper compound
Agent, cover MnO2Hollow carbon fiber on MnO2 be not easy to be dissolved into water, stability is good.5) catalytic type floating stuffing is
Full stereochemical structure, specific surface area is big, is in fluidized state in water, bearing load is uniform, high catalytic efficiency, and effluent quality is good.6)
Catalytic type floating stuffing is directly launched, and without fixation, does not block reaction vessel, replacement is convenient, and maintenance engineering amount is small.7) it is anti-
Answer the device residence time short, take up an area small.8) quantity of catalytic type floating stuffing can be increased and decreased according to actual influent quality, flexibility
By force.
Brief description of the drawings
Fig. 1 is to implement a kind of structural representation of sulfur-containing waste water catalytic oxidation reaction device of the utility model.
Fig. 2 is the structural representation of catalytic type floating stuffing.
Fig. 3 is load MnO2Hollow carbon fiber structural representation.
Reference lists as follows：1- reaction vessels；2- water inlet pipes；3- outlet pipes；4- blower fans；5- appendixs；6- is aerated
Disk；7- guide shells；8- catalytic type floating stuffings；9- water outlet grids；10- delivery ports；The common suspension ball fillers of 81-；82- is loaded
MnO2Hollow carbon fiber or load manganese dioxide hollow carbon fiber；821- fibers carbonization layers；822- manganese dioxide coatings
(or MnO2Coating)；A- flows up area；B- Jiang Liu areas.
Embodiment
(Fig. 1-Fig. 3) illustrates to the utility model below in conjunction with the accompanying drawings.
Fig. 1 is to implement a kind of structural representation of sulfur-containing waste water catalytic oxidation reaction device of the utility model.Fig. 2 is catalysis
The structural representation of type floating stuffing.Fig. 3 is load MnO2Hollow carbon fiber structural representation.As shown in Figure 1 to Figure 3, one
Sulfur-containing waste water catalytic oxidation reaction device, including reaction vessel 1 are planted, aeration plate 6 is provided with the reaction vessel 1 and both ends is opened
The guide shell 7 of mouth, towards the one end open of the guide shell 7, the aeration plate 6 connects defeated for the aeration outlet of the aeration plate 6
Tracheae 5, the appendix 5 extend to the outside of the reaction vessel 1.The side wall of the reaction vessel 1 is provided with delivery port 10,
The inner side of the delivery port 10 is provided with water outlet grid 9, the outside connection outlet pipe 3 of the delivery port 10, the reaction vessel 1
Side wall be connected with sulfur-containing waste water water inlet pipe 2.The aeration plate 6 is located at the bottom of the reaction vessel 1.The reaction vessel 1
Interior addition has catalytic type floating stuffing 8, and the catalytic type floating stuffing 8 is in the gas-liquid cycle stream that aeration is formed along the water conservancy diversion
The cylinder internal channel of cylinder flows up area A and risen, and declines along cylinder outer space Ji Jiangliu area B, forms the circulation of catalytic type floating stuffing
Stream.The appendix 5 is connected with blower fan 4.The outside of the catalytic type floating stuffing 8 is common suspension ball filler, inside distribution
There is the hollow carbon fiber 82 of load manganese dioxide.The hollow carbon fiber 82 of the load manganese dioxide has cyclic structure, described
Cyclic structure includes outer shroud and inner ring, and the outer shroud is manganese dioxide coating 822, and the inner ring is fibers carbonization layer 821, institute
It is hollow area to state in inner ring.Manganese dioxide in the manganese dioxide coating 822 is Nano grade, and its crystal formation is α types.
Before operation, first waste water sulfide is filled in reaction vessel 1 and puts into urging for the volume 30%~60% of reaction vessel 1
Change type floating stuffing 8.When equipment is run, first start blower fan 4, the air after the supercharging of blower fan 4 enters aeration plate by appendix 5
6, the gas-liquid mixture for forming rising state is then overflowed into guide shell 7 and (flowed up area A) in the form of micro gasification, in water conservancy diversion
Cylinder 7 outer (Ji Jiangliu area B) forms the gas and liquid mixture for declining state, and gas-liquid cycle stream is integrally formed；Catalytic type floating stuffing 8 is rising
Move, moved from the top down with gas-liquid cycle stream in Jiang Liu areas B, so as to be formed from bottom to top with gas-liquid cycle stream in stream area A
Filler recycle stream.Water intaking valve is opened afterwards, and water inlet is to enter Jiang Liu area B upstream by sulfur-containing waste water water inlet pipe 2, in water inlet
Sulfide is under the catalytic action of catalytic type floating stuffing 8, by the air oxidation of the dissolving of waste water into sulfate, it is up to standard after it is useless
Water through water outlet grid 9, delivery port 10 after repeatedly circulating from outlet pipe 3 by discharging.Because gas-liquid cycle stream and filler circulate
Mutual collision, contact between the special fluidised form and filler of stream, considerably increase catalytic type floating stuffing 8, air and water inlet vulcanization
The contact area and frequency of thing three, improves the removal efficiency of sulfides from wastewater, and effluent quality is good.
It is hereby stated that described above contribute to skilled artisan understands that the invention, but not limit the present invention
The protection domain of creation.It is any that equivalent substitution described above, modification are improved without departing from the invention substantive content
And/or the implementation deleted numerous conform to the principle of simplicity and carried out, each fall within the protection domain of the invention.
Claims (8)
1. a kind of sulfur-containing waste water catalytic oxidation reaction device, it is characterised in that including reaction vessel, set in the reaction vessel
There is the guide shell of aeration plate and both ends open, the aeration of the aeration plate exports the one end open towards the guide shell, described
Aeration plate connecting gas transmission pipe, the appendix extend to the outside of the reaction vessel.
A kind of 2. sulfur-containing waste water catalytic oxidation reaction device according to claim 1, it is characterised in that the reaction vessel
Side wall be provided with delivery port, be provided with water outlet grid on the inside of the delivery port, the outside connection outlet pipe of the delivery port,
The side wall of the reaction vessel is connected with sulfur-containing waste water water inlet pipe.
A kind of 3. sulfur-containing waste water catalytic oxidation reaction device according to claim 1, it is characterised in that the aeration plate position
In the bottom of the reaction vessel.
A kind of 4. sulfur-containing waste water catalytic oxidation reaction device according to claim 3, it is characterised in that the reaction vessel
Interior addition has catalytic type floating stuffing, and the catalytic type floating stuffing is in the gas-liquid cycle stream that aeration is formed along the guide shell
Cylinder internal channel i.e. flow up area rise, and along cylinder outer space Ji Jiangliu areas decline, formed catalytic type floating stuffing recycle stream.
A kind of 5. sulfur-containing waste water catalytic oxidation reaction device according to claim 1, it is characterised in that the appendix with
Blower fan connects.
6. a kind of sulfur-containing waste water catalytic oxidation reaction device according to claim 1, it is characterised in that the catalytic type hangs
The outside of floating filler is common suspension ball filler, and the hollow carbon fiber of load manganese dioxide is distributed with inside.
A kind of 7. sulfur-containing waste water catalytic oxidation reaction device according to claim 6, it is characterised in that the load dioxy
The hollow carbon fiber for changing manganese has cyclic structure, and the cyclic structure includes outer shroud and inner ring, and the outer shroud covers for manganese dioxide
Cap rock, the inner ring are fibers carbonization layer, are hollow area in the inner ring.
A kind of 8. sulfur-containing waste water catalytic oxidation reaction device according to claim 7, it is characterised in that the manganese dioxide
Manganese dioxide in coating is Nano grade, and its crystal formation is α types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962009.XU CN207158871U (en) | 2017-08-03 | 2017-08-03 | A kind of sulfur-containing waste water catalytic oxidation reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962009.XU CN207158871U (en) | 2017-08-03 | 2017-08-03 | A kind of sulfur-containing waste water catalytic oxidation reaction device |
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| Publication Number | Publication Date |
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| CN207158871U true CN207158871U (en) | 2018-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109107205A (en) * | 2018-09-12 | 2019-01-01 | 江苏师范大学 | A kind of convection type low-temp concentration basin |
-
2017
- 2017-08-03 CN CN201720962009.XU patent/CN207158871U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109107205A (en) * | 2018-09-12 | 2019-01-01 | 江苏师范大学 | A kind of convection type low-temp concentration basin |
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