CN216687590U - Low-cost fenton-like reactor - Google Patents
Low-cost fenton-like reactor Download PDFInfo
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- CN216687590U CN216687590U CN202122994850.6U CN202122994850U CN216687590U CN 216687590 U CN216687590 U CN 216687590U CN 202122994850 U CN202122994850 U CN 202122994850U CN 216687590 U CN216687590 U CN 216687590U
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Abstract
The utility model provides a low-cost Fenton-like reactor, which comprises a cylinder body and a cover body arranged above the cylinder body, wherein a motor is arranged above the cover body, a rotating shaft rod, a catalyst chamber and a gas collecting chamber are arranged in the cylinder body, the motor drives the rotating shaft rod to rotate, the catalyst chamber and the gas collecting chamber are respectively arranged around the rotating shaft rod, the rotating shaft rod comprises a hollow inner pipe and a hollow outer pipe, the hollow outer pipe is sleeved on the hollow inner pipe, a gap is formed between the hollow inner pipe and the hollow outer pipe, the hollow inner pipe is connected with a hydrogen peroxide pipe, the hollow outer pipe is connected with a cooling water pipe, the low-cost Fenton-like reactor also comprises a nozzle and a stirring paddle, the nozzle and the stirring paddle are connected on the hollow outer pipe, the nozzle is communicated with the hollow inner pipe, hydrogen peroxide is added at multiple points, an atomizing nozzle is adopted at a single adding point, hydrogen peroxide water can be fully mixed with sewage, the temperature of hydrogen peroxide is reduced before the hydrogen peroxide and the sewage are mixed, improving the stability of the hydrogen peroxide and slowing down the decomposition of the hydrogen peroxide.
Description
Technical Field
The utility model relates to the technical field of industrial sewage pretreatment, in particular to a low-cost Fenton-like reactor.
Background
The Fenton reaction is an advanced oxidation process, and iron ions are used for catalyzing hydrogen peroxide to generate hydroxyl radicals, so that organic pollutants in water can be effectively decomposed. But a large amount of iron mud generated by the reaction is generally treated as dangerous waste and is a burden for enterprises. In order to solve the problem that the Fenton reaction is definite, researchers develop various Fenton-like catalysts to catalyze hydrogen peroxide to generate hydroxyl radicals without generating iron mud. Fenton-like catalysts are various in types, and some of the catalysts need to be reacted at high temperature and have good catalytic performance. However, hydrogen peroxide is easily decomposed at high temperature, which results in high treatment cost of the whole process. In order to reduce the cost, a novel reactor needs to be developed to reduce the decomposition of hydrogen peroxide so as to reduce the overall treatment cost.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a low-cost Fenton-like reactor, hydrogen peroxide is added at multiple points, an atomizing nozzle is adopted at a single adding point, hydrogen peroxide can be fully mixed with sewage, the temperature of hydrogen peroxide is reduced before the hydrogen peroxide is mixed with the sewage, the stability of the hydrogen peroxide is improved, and the decomposition of the hydrogen peroxide is slowed down.
The utility model provides a low-cost class fenton's reactor, is including the barrel and install the lid in the barrel top, its characterized in that: the device comprises a cover body, a motor, a rotating shaft rod, a catalyst chamber and a gas collecting chamber, wherein the motor is arranged above the cover body, the rotating shaft rod, the catalyst chamber and the gas collecting chamber are arranged around the rotating shaft rod respectively, the rotating shaft rod comprises a hollow inner pipe and a hollow outer pipe, the hollow outer pipe is sleeved on the hollow inner pipe, a gap is formed between the hollow inner pipe and the hollow outer pipe, the hollow inner pipe is connected with a hydrogen peroxide pipe and used for conveying hydrogen peroxide to the hollow inner pipe, the hollow outer pipe is connected with a cooling water pipe and used for conveying cooling water to the hollow outer pipe, the device also comprises a nozzle and a stirring paddle, the nozzle and the stirring paddle are connected on the hollow outer pipe, the nozzle is communicated with the hollow inner pipe, the nozzle is positioned above the stirring paddle, the device also comprises a circulating water pump, a circulating water inlet pipe is connected above the cylinder, and a circulating water outlet pipe is connected below the cylinder, and the circulating water outlet pipe and the circulating water inlet pipe are respectively connected with a circulating water pump.
In the above structure: sewage flows from the top down in the barrel, and hydrogen peroxide passes through in the hollow inner tube gets into the barrel from the barrel top to spray hydrogen peroxide through the nozzle and mix with sewage, the rotation axostylus axostyle is rotatory under the motor drives, the stirring rake is with sewage and hydrogen peroxide intensive mixing, under the effect of catalyst filler, decomposes the organic matter in the sewage, carry the hollow outer tube with the cooling water through the cooling water inlet tube of bottom in, avoid hydrogen peroxide too high, decompose too fast at transportation process in-process temperature.
Further: still be provided with the gas vent on the lid, the blast pipe is installed to the barrel inner wall, the blast pipe sets up with the gas vent intercommunication, gas is collected to the blast pipe in the gas collecting chamber, through the gas vent discharge barrel.
In the above structure: the exhaust port is used for discharging the non-condensable gas generated by the reaction in the cylinder body, and the gas collecting chamber collects the gas in the cylinder body and exhausts the gas through the exhaust port.
Further: the gas collecting chamber comprises a conical gas collecting chamber and a belt-type gas collecting chamber, the conical gas collecting chamber is respectively arranged around the rotating shaft rod, and the belt-type gas collecting chamber is arranged in the middle of the cylinder body.
In the above structure: the periphery of the rotating shaft lever is provided with a conical gas collecting chamber, and the collected gas is discharged out of the cylinder body through an exhaust pipe. The middle part of the cylinder body is provided with a belt type gas collecting chamber, the collected gas is discharged through an exhaust gas pipe, and the belt type gas pipe is inclined so as to facilitate the upward discharge of the gas.
Further: the gas collecting chamber is internally provided with a first gas collecting pipe and a conical gas collecting piece, the first gas collecting pipe is connected to the conical gas collecting piece, and the first gas collecting pipe is connected with the exhaust pipe.
In the above structure: the gas is collected through the conical gas collecting sheet, is conveyed into the exhaust pipe through the first gas collecting pipe and is exhausted out of the cylinder through the exhaust port.
Further: the gas collecting chamber is internally provided with a second gas collecting pipe, a third gas collecting pipe, a first gas collecting piece and a second gas collecting piece, the second gas collecting pipe is provided with gas holes, the first gas collecting piece and the second gas collecting piece are connected to the gas holes on the second gas collecting pipe in a triangular shape, the second gas collecting pipe is connected with the third gas collecting pipe, and the third gas collecting pipe is connected with the exhaust pipe.
In the above structure: and gas is collected through the first gas collecting piece and the second gas collecting piece, and the collected gas is conveyed into the third gas collecting pipe through the gas holes in the second gas collecting pipe and then is discharged out of the barrel through the gas outlet.
And further: the catalyst chamber is composed of a stainless steel net, catalyst filler is filled in the catalyst chamber, the catalyst filler is divided into a plurality of layers and surrounds the periphery of the rotating shaft rod, and the nozzles and the stirring paddles are located between the catalyst filler.
In the above structure: the catalyst filler can decompose organic matters in the sewage in the cylinder body.
Further: an upper end rotary joint and a lower end rotary joint are respectively installed at the upper end and the lower end of the rotary shaft rod, an inlet of the upper end rotary joint is connected with the hollow inner pipe and used for conveying hydrogen peroxide, and an inlet of the lower end rotary joint is connected with the hollow outer pipe and used for conveying cooling water.
In the above structure: when the motor drives the rotating shaft rod to rotate conveniently, hydrogen peroxide and cooling water enter the hollow inner pipe and the hollow outer pipe, the upper end rotary joint and the lower end rotary joint are respectively installed at the upper end and the lower end of the rotating shaft rod, hydrogen peroxide is conveyed through the upper end rotary joint, and cooling water is conveyed through the lower end rotary joint.
Further: the cooling water pipe is connected with a cooling water inlet pipe and a cooling water outlet pipe respectively, and cooling water circulation replacement is realized.
In the above structure: the cooling water pipe is respectively connected with a cooling water inlet pipe and a cooling water outlet pipe, so that the circulating replacement of the cooling water is realized, and the cooling water can be ensured to be cooled by the hydrogen peroxide always.
Compared with the prior art, the utility model has the beneficial effects that:
the hydrogen peroxide in the Fenton-like reactor is added at multiple points, and an atomizing nozzle is adopted at a single adding point, so that the hydrogen peroxide can be fully mixed with the sewage. The central ejector of the reactor can also play a role in stirring, so that the energy in the reactor can be homogenized.
Before the hydrogen peroxide is mixed with the sewage, the temperature of the hydrogen peroxide is reduced, the stability of the hydrogen peroxide is improved, and the decomposition of the hydrogen peroxide is slowed down.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a schematic view of the internal structure of the conical gas collection chamber of the present invention;
FIG. 4 is a schematic view showing the internal structure of the Belt gas collecting Chamber according to the present invention.
List of reference numerals:
1. a cylinder body; 2. a cover body; 3. a motor; 4. a hollow outer tube; 5. a hollow inner tube; 6. a stirring paddle; 7. a nozzle; 8. a water circulating pump; 9. a catalyst chamber; 10. a conical gas collection chamber; 101. a first gas collecting pipe; 102. a conical gas collecting sheet; 11. An exhaust pipe; 12. a belt-type gas collection chamber; 121. a second gas collecting pipe; 122. a third gas collecting pipe; 123. a first gas collecting sheet; 124. a second gas collecting sheet; 13. a cooling water inlet pipe; 14. a cooling water outlet pipe; 15. and (7) an exhaust port.
Detailed Description
The utility model is described in further detail below with reference to the following detailed description and accompanying drawings:
as shown in fig. 1-4, a low-cost fenton-like reactor comprises a cylinder body 1 and a cover body 2 arranged above the cylinder body 1, wherein a motor 3 is arranged above the cover body 2, a rotating shaft rod, a catalyst chamber 9 and a gas collecting chamber are arranged in the cylinder body 1, the motor 3 drives the rotating shaft rod to rotate, the catalyst chamber 9 and the gas collecting chamber are respectively arranged around the rotating shaft rod, the rotating shaft rod comprises a hollow inner pipe 5 and a hollow outer pipe 4, the hollow outer pipe 4 is sleeved on the hollow inner pipe 5, a gap is arranged between the hollow inner pipe 5 and the hollow outer pipe 4, the hollow inner pipe 5 is connected with a hydrogen peroxide water pipe for conveying hydrogen peroxide to the hollow inner pipe 5, the hollow outer pipe 4 is connected with a cooling water pipe for conveying cooling water to the hollow outer pipe 4, and further comprises a nozzle 7 and a stirring paddle 6, the nozzle 7 and the stirring paddle 6 are connected to the hollow outer pipe 4, the nozzle 7 and the 5 intercommunication settings of hollow inner tube, the nozzle 7 is located 6 tops of stirring rake, still including circulating water pump, 1 top of barrel is connected with the circulating water inlet tube, and 1 below of barrel is connected with the circulating water outlet pipe, circulating water outlet pipe and circulating water inlet tube connect circulating water pump 8 respectively.
The working principle of the utility model is as follows:
the fenton-like reactor is vertical tower structure, adds high temperature sewage in barrel 1, and under the effect of circulating pump 8, sewage flows from the top down in barrel 1, and hydrogen peroxide solution gets into barrel 1 through the axostylus axostyle inner tube from the reactor top to spray hydrogen peroxide solution and sewage through nozzle 7 and mix, rotatory axostylus axostyle is rotatory under the drive of motor 3, and stirring rake 6 is sewage and hydrogen peroxide solution intensive mixing. Under the action of the catalyst filler, organic matters in the sewage are decomposed, and cooling water is conveyed into the hollow outer pipe 4 through the cooling water inlet pipe 13 at the bottom, so that overhigh temperature and too fast decomposition of hydrogen peroxide in the conveying process are avoided. After a period of reaction, the valve on the bottom cooling water outlet pipe 14 is opened, and the cooling water is discharged from the bottom under the action of gravity. The noncondensable gas generated in the cylindrical body 1 is collected by the gas collecting chamber and discharged from the cylindrical body 1 through the top exhaust port 15.
Further: the cover body 2 is also provided with an exhaust port 15, the inner wall of the cylinder body 1 is provided with an exhaust pipe 11, the exhaust pipe 11 is communicated with the exhaust port 15, and the gas collection chamber collects gas to the exhaust pipe 11 and exhausts the gas out of the cylinder body 1 through the exhaust port 15; the exhaust port 15 is used for exhausting the non-condensable gas generated by the reaction in the cylinder 1, and the gas collecting chamber collects the gas in the cylinder 1 and exhausts the gas through the exhaust port 15.
Further: the gas collecting chamber comprises a conical gas collecting chamber 10 and a belt-type gas collecting chamber 12, the conical gas collecting chamber 10 is respectively arranged around the rotating shaft rod, and the belt-type gas collecting chamber 12 is arranged in the middle of the barrel 1; a conical gas collection chamber 10 is provided around the rotating shaft, and the collected gas is discharged out of the cylinder 1 through a gas discharge pipe 11. A belt-type gas collection chamber 12 is arranged in the middle of the cylinder 1, and the collected gas is discharged through an exhaust gas pipe.
Further: a first gas collecting pipe 101 and a conical gas collecting piece 102 are arranged in the conical gas collecting chamber 10, the first gas collecting pipe 101 is connected to the conical gas collecting piece 102, and the first gas collecting pipe 101 is connected with the exhaust pipe 11; the gas is collected by the tapered gas collecting piece 102, and is transported to the gas discharge pipe 11 through the first gas collecting pipe 101, and is discharged out of the cylinder 1 through the gas discharge port 15.
And further: a second gas collecting pipe 121, a third gas collecting pipe 122, a first gas collecting piece 123 and a second gas collecting piece 124 are arranged in the banded gas collecting chamber, gas holes are formed in the second gas collecting pipe 121, the first gas collecting piece 123 and the second gas collecting piece 124 are connected to the gas holes in the second gas collecting pipe 121 in a triangular shape, the second gas collecting pipe 121 is connected with the third gas collecting pipe 122, and the third gas collecting pipe 122 is connected with the exhaust pipe 11; gas is collected through the first gas collecting piece 123 and the second gas collecting piece 124, the collected gas is conveyed to the third gas collecting pipe 122 through the gas holes in the second gas collecting pipe 121, and then is discharged out of the barrel 1 through the gas outlet 15, and the second gas collecting pipe 121 and the third gas collecting pipe 122 are inclined, so that the gas is conveniently discharged upwards.
Further: the catalyst chamber 9 is composed of a stainless steel net, catalyst filler is filled in the catalyst chamber, the catalyst filler is divided into a plurality of layers and surrounds the periphery of the rotating shaft rod, and the nozzle 7 and the stirring paddle 6 are both positioned between the catalyst filler; the catalyst packing can decompose organic matters in the sewage in the cylinder body 1.
Further: the upper end and the lower end of the rotating shaft rod are respectively provided with an upper end rotating joint and a lower end rotating joint, the inlet of the upper end rotating joint is connected with the hollow inner pipe 5 and used for conveying hydrogen peroxide, and the inlet of the lower end rotating joint is connected with the hollow outer pipe 4 and used for conveying cooling water; when the motor 3 drives the rotating shaft rod to rotate conveniently, hydrogen peroxide and cooling water enter the hollow inner pipe 5 and the hollow outer pipe 4, the upper end rotary joint and the lower end rotary joint are respectively installed at the upper end and the lower end of the rotating shaft rod, hydrogen peroxide is conveyed through the upper end rotary joint, and cooling water is conveyed through the lower end rotary joint.
Further: the cooling water pipe is respectively connected with a cooling water inlet pipe 13 and a cooling water outlet pipe 14, so that the cooling water is circularly replaced; the cooling water pipe is respectively connected with a cooling water inlet pipe 13 and a cooling water outlet pipe 14, so that the circulating replacement of the cooling water is realized, and the cooling water can be ensured to be cooled for the hydrogen peroxide always.
The hydrogen peroxide in the Fenton-like reactor is added at multiple points, and an atomizing nozzle is adopted at a single adding point, so that the hydrogen peroxide can be fully mixed with the sewage. The central ejector of the reactor can also play a role in stirring, so that the energy in the reactor can be homogenized.
Before the hydrogen peroxide is mixed with the sewage, the temperature of the hydrogen peroxide is reduced, the stability of the hydrogen peroxide is improved, and the decomposition of the hydrogen peroxide is slowed down. The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any modifications or equivalent variations made in accordance with the technical spirit of the present invention may fall within the scope of the present invention as claimed.
Claims (8)
1. The utility model provides a low-cost class fenton's reactor, includes barrel (1) and installs lid (2) in barrel (1) top, its characterized in that: the device is characterized in that a motor (3) is arranged above the cover body (2), a rotating shaft rod, a catalyst chamber (9) and a gas collecting chamber are arranged in the barrel body (1), the motor (3) drives the rotating shaft rod to rotate, the catalyst chamber (9) and the gas collecting chamber are respectively arranged around the rotating shaft rod, the rotating shaft rod comprises a hollow inner pipe (5) and a hollow outer pipe (4), the hollow outer pipe (4) is sleeved on the hollow inner pipe (5), a gap is arranged between the hollow inner pipe (5) and the hollow outer pipe (4), the hollow inner pipe (5) is connected with a hydrogen peroxide water pipe and used for conveying hydrogen peroxide to the hollow inner pipe (5), the hollow outer pipe (4) is connected with a cooling water pipe and used for conveying cooling water to the hollow outer pipe (4), and the device further comprises a nozzle (7) and a stirring paddle (6), the nozzle (7) and the stirring paddle (6) are connected to the hollow outer pipe (4), nozzle (7) and hollow inner tube (5) intercommunication setting, nozzle (7) are located stirring rake (6) top, still including circulating water pump (8), barrel (1) top is connected with the circulating water inlet tube, and barrel (1) below is connected with the circulating water outlet pipe, circulating water outlet pipe and circulating water inlet tube connect circulating water pump (8) respectively.
2. A low cost fenton-like reactor according to claim 1, wherein: still be provided with gas vent (15) on lid (2), blast pipe (11) are installed to barrel (1) inner wall, blast pipe (11) and gas vent (15) intercommunication set up, gaseous exhaust pipe (11) are collected to the gas collecting chamber, through gas vent (15) discharge barrel (1).
3. A low cost fenton-like reactor according to claim 2, wherein: the gas collecting chamber comprises a conical gas collecting chamber (10) and a belt-type gas collecting chamber (12), the conical gas collecting chamber (10) is arranged around the rotating shaft rod respectively, and the belt-type gas collecting chamber (12) is arranged in the middle of the barrel body (1).
4. A low cost fenton-like reactor according to claim 3 wherein: a first gas collecting pipe (101) and a conical gas collecting piece (102) are installed in the conical gas collecting chamber (10), the first gas collecting pipe (101) is connected to the conical gas collecting piece (102), and the first gas collecting pipe (101) is connected with the exhaust pipe (11).
5. A low cost fenton-like reactor according to claim 3 wherein: the belt-type gas collecting chamber is internally provided with a second gas collecting pipe (121), a third gas collecting pipe (122), a first gas collecting piece (123) and a second gas collecting piece (124), the second gas collecting pipe (121) is provided with a gas hole, the first gas collecting piece (123) and the second gas collecting piece (124) are connected to the gas hole of the second gas collecting pipe (121) in a triangular shape, the second gas collecting pipe (121) is connected with the third gas collecting pipe (122), and the third gas collecting pipe (122) is connected with the exhaust pipe (11).
6. A low cost fenton-like reactor according to claim 1, wherein: the catalyst chamber (9) is composed of a stainless steel net, catalyst filler is filled in the catalyst chamber, the catalyst filler is divided into a plurality of layers and surrounds the periphery of the rotating shaft rod, and the nozzles (7) and the stirring paddles (6) are both positioned between the catalyst filler.
7. A low cost fenton-like reactor according to claim 1, wherein: an upper end rotary joint and a lower end rotary joint are respectively installed at the upper end and the lower end of the rotary shaft rod, an inlet of the upper end rotary joint is connected with the hollow inner pipe (5) and used for conveying hydrogen peroxide, and an inlet of the lower end rotary joint is connected with the hollow outer pipe (4) and used for conveying cooling water.
8. A low cost fenton-like reactor according to claim 7 wherein: the cooling water pipe is respectively connected with a cooling water inlet pipe (13) and a cooling water outlet pipe (14), so that cooling water circulation replacement is realized.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122994850.6U CN216687590U (en) | 2021-12-01 | 2021-12-01 | Low-cost fenton-like reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122994850.6U CN216687590U (en) | 2021-12-01 | 2021-12-01 | Low-cost fenton-like reactor |
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| CN216687590U true CN216687590U (en) | 2022-06-07 |
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| CN202122994850.6U Active CN216687590U (en) | 2021-12-01 | 2021-12-01 | Low-cost fenton-like reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228389A (en) * | 2022-07-26 | 2022-10-25 | 青岛海湾化工设计研究院有限公司 | Reactor capable of improving heat transfer capacity |
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2021
- 2021-12-01 CN CN202122994850.6U patent/CN216687590U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228389A (en) * | 2022-07-26 | 2022-10-25 | 青岛海湾化工设计研究院有限公司 | Reactor capable of improving heat transfer capacity |
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