CN210855576U - Nano zero-valent iron reaction reflux unit - Google Patents
Nano zero-valent iron reaction reflux unit Download PDFInfo
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- CN210855576U CN210855576U CN201921455653.3U CN201921455653U CN210855576U CN 210855576 U CN210855576 U CN 210855576U CN 201921455653 U CN201921455653 U CN 201921455653U CN 210855576 U CN210855576 U CN 210855576U
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- valent iron
- reflux
- wall
- end cap
- shell
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- 238000010992 reflux Methods 0.000 title claims abstract description 62
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 29
- 239000010865 sewage Substances 0.000 claims abstract description 53
- 238000011049 filling Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000020477 pH reduction Effects 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 230000015271 coagulation Effects 0.000 claims description 4
- 238000005345 coagulation Methods 0.000 claims description 4
- 230000003301 hydrolyzing effect Effects 0.000 claims description 4
- 238000011068 loading method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000008213 purified water Substances 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 2
- 230000007062 hydrolysis Effects 0.000 claims description 2
- 238000006460 hydrolysis reaction Methods 0.000 claims description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 238000003541 multi-stage reaction Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
The utility model discloses a nanometer zero-valent iron reaction reflux unit, including the reflux unit body, and the reflux unit body includes the backward flow shell, the inside below of backward flow shell is provided with first filling layer and second filling layer respectively, the fixed filter screen that is provided with in inside top of backward flow shell, and the welding has the snap ring on being located one side outer wall of the backward flow shell of filter screen top parallel and level position, the inside joint of snap ring has the detachable collecting vessel, the top fixed mounting of backward flow shell has the upper end cap, and the inside of upper end cap is provided with the water-locator. The utility model discloses the reflux unit who adds in current nanometer zero-valent iron to the treatment process of sewage has guaranteed the abundant effect of reaction when utilizing the sewage treatment process of nanometer zero-valent iron, has increased the probability of nanometer zero-valent iron with sewage contact, reaches the purpose of thoroughly reacting sewage, reaches the purpose to sewage and nanometer zero-valent iron multistage reaction.
Description
Technical Field
The utility model relates to a nanometer zero-valent iron reaction technical field especially relates to a nanometer zero-valent iron reaction reflux unit.
Background
Along with the development of modern industries in China (fine chemical industry, pharmaceutical industry, dye printing industry, petrochemical industry and the like), the discharge amount of refractory organic sewage is increased day by day, the sewage is not only difficult to degrade and high in concentration, but also most of the sewage has a 'three-cause' effect. Therefore, such waste water has attracted much attention.
In the sewage treatment process, because the nano zero-valent iron has active chemical property and strong electronegativity, the electrode potential E0(Fe +1/Fe) is-0.44V, and the reduction capability is strong, not only can the metals which are sequentially discharged after the metal activity be replaced from the water and settled on the surface of the iron for treating the electroplating sewage, but also can some organic compounds be reduced, the molecular structure is changed, thereby the biodegradability is improved, the toxicity is reduced, in addition, the nano zero-valent iron has rich sources and low price, and the secondary pollution is not generated, and the waste is utilized, so the method can be considered as the first-choice process for pretreating the refractory organic sewage by adopting the nano zero-valent iron.
However, in the existing sewage treatment process using nano zero-valent iron, the reaction is incomplete, and the purification effect of sewage is poor, so that a nano zero-valent iron reaction reflux device is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a reaction reflux device for nano zero-valent iron.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a nano zero-valent iron reaction reflux device comprises a reflux device body, wherein the reflux device body comprises a reflux shell, a first filling layer and a second filling layer are respectively arranged below the inner part of the reflux shell, a filter screen is fixedly arranged above the inner part of the reflux shell, a snap ring is welded on the outer wall of one side of the reflux shell positioned at the level position above the filter screen, a detachable collecting barrel is clamped inside the snap ring, an upper end cap is fixedly arranged at the top end of the reflux shell, a water distributor is arranged inside the upper end cap, a feed pipe is fixedly arranged on the outer wall at the top of the upper end cap through a joint, the bottom of the outer wall of one side of the reflux shell is connected with an overflow box through a bolt, an overflow pipe communicated with the upper end cap is arranged at the top of the overflow box, and a feeding pipe communicated with the feed pipe is arranged on the outer wall, the outer wall of the bottom end of the backflow shell is fixedly provided with a lower end cap, the outer wall of the bottom of the lower end cap is connected with a backflow pipe through a connector, and one end, away from the lower end cap, of the backflow pipe is provided with a circulating pump.
Furthermore, the first filling layer and the second filling layer have the same structure, and the inside of the first filling layer and the second filling layer are filled with nano zero-valent iron.
Further, the preparation method of the nano zero-valent iron comprises the following steps: slowly adding the g of KBH aqueous solution into a mixed solution of FeCl and polyethylene glycol: fe2+ +2BH-4+6H2O → Fe0 ↓ +2BOH3+7H2 ↓, the produced nano iron is washed with deionized water and absolute ethyl alcohol respectively after the reaction is completed, and the nano iron is placed in oxygen-free water for sealed storage.
Furthermore, an air leakage hole is formed in the outer wall of one side of the top of the upper end cap, and an exhaust pipe is fixedly mounted inside the air leakage hole.
Furthermore, a fixing clamping block is fixedly mounted on the inner wall of one side of the overflow tank, a heating pipe is clamped inside the fixing clamping block, and a temperature controller mounted on the outer wall of one side of the overflow tank of the backflow shell is connected to the heating pipe.
Furthermore, a feeding pump is fixedly mounted inside the overflow tank, a collecting hopper is arranged on the outer wall of one side of the feeding pump, and the other side of the feeding pump is communicated with the feeding pipe.
Further, the one end of reflux unit body is passed through the back flow and is connected with the end of intaking, and the other end of reflux unit body passes through the filling tube and communicates with hydrolysis acidification technology department, and whole sewage treatment's process flow is: a sewage inlet end, a coagulation tank, a sedimentation tank, hydrolytic acidification, addition of nano zero-valent iron and a purified water outlet end.
The utility model has the advantages that:
1. the reflux device added in the existing sewage treatment process by using the nano zero-valent iron ensures the effect of full reaction in the sewage treatment process by using the nano zero-valent iron and improves the effect of purifying sewage.
2. Through the first filling layer and the second filling layer that set up, increased the probability of nanometer zero-valent iron with sewage contact, reached the purpose to sewage thorough reaction, more traditional sewage treatment process has the superiority, reaches the effect that people want.
3. Through overflow case, overflow pipe and the material loading pipe that sets up, can carry out temporary buffer memory to the inside sewage that does not enter into reflux unit, treat when the sewage volume of last technology is less, accessible charge pump adds the inside of reflux unit again to the sewage of keeping in, reaches the purpose to sewage and nanometer zero-valent iron multistage reaction.
Drawings
Fig. 1 is a schematic structural view of a reflux unit of a nanoscale zero-valent iron reaction reflux unit according to the present invention;
fig. 2 is a schematic structural view of an overflow tank of the nano zero-valent iron reaction reflux device according to the present invention;
fig. 3 is a schematic view of the sewage treatment process flow structure of the nano zero-valent iron reaction reflux device provided by the utility model.
In the figure: the device comprises a reflux shell 1, a first filling layer 2, a second filling layer 3, a collecting cylinder 4, a snap ring 5, a filter screen 6, an upper end cap 7, a water distributor 8, a feed pipe 9, an exhaust pipe 10, an overflow tank 11, a feed pipe 12, an overflow pipe 13, a lower end cap 14, a return pipe 15, a circulating pump 16, a feed pump 17, a collecting hopper 18, a heating pipe 19 and a temperature controller 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, a nano zero-valent iron reaction reflux device comprises a reflux device body, wherein the reflux device body comprises a reflux shell 1, a first filling layer 2 and a second filling layer 3 are respectively arranged below the inside of the reflux shell 1, a multilayer structure is adopted, the reaction effect between sewage and nano zero-valent iron is enhanced, a filter screen 6 is fixedly arranged above the inside of the reflux shell 1, a snap ring 5 is welded on the outer wall of one side of the reflux shell 1 at the level position above the filter screen 6, a detachable collecting cylinder 4 is clamped inside the snap ring 5, the collecting cylinder 4 is conveniently mounted and dismounted on the reflux shell 1 through the arrangement of the snap ring 5, an upper end cap 7 is fixedly mounted at the top end of the reflux shell 1, a water distributor 8 is arranged inside the upper end cap 7, a charging pipe 9 is fixedly mounted on the outer wall at the top of the upper end cap 7 through a joint, there is overflow tank 11 bottom of the outer wall of one side of backflow shell 1 through bolted connection, the realization is to the purpose of keeping in sewage, overflow tank 11's top is provided with overflow pipe 13 that is linked together with upper end cap 7, and be provided with the material loading pipe 12 that is linked together with filling tube 9 on one side outer wall of overflow tank 11, fixed mounting has lower end cap 14 on the outer wall of backflow shell 1 bottom, and there is back flow 15 through articulate on the outer wall of lower end cap 14 bottom, back flow 15 keeps away from the one end of lower end cap 14 and installs circulating pump 16, a sewage transport between reflux unit and the whole sewage treatment technology.
Further, the first filling layer 2 and the second filling layer 3 have the same structure, and the nano zero-valent iron is filled in the first filling layer 2 and the second filling layer 3, so that the activity of the nano zero-valent iron is utilized to react with sewage, and the sewage treatment effect is improved.
Further, the preparation method of the nano zero-valent iron comprises the following steps: 2.16g of aqueous KBH4 solution was slowly added to the mixture of FeCl3 and polyethylene glycol: fe2+ +2BH-4+6H2O → Fe0 ↓ +2BOH3+7H2 ×) after the reaction is complete, the produced nano iron is respectively washed 3 times by using the deionized water and the absolute ethyl alcohol and is placed in the oxygen-free water for sealed storage, the nano zero-valent iron is easy to prepare, and the investment cost is low when the sewage is treated.
Furthermore, an air release hole is formed in the outer wall of one side of the top of the upper end cap 7, and an exhaust pipe 10 is fixedly mounted inside the air release hole and used for discharging air inside the backflow shell 1.
Furthermore, a fixing clamping block is fixedly installed on the inner wall of one side of the overflow tank 11, a heating pipe 19 is clamped inside the fixing clamping block, a temperature controller 20 installed on the outer wall of one side of the overflow tank 11 of the backflow shell 1 is connected to the heating pipe 19, the temperature controller 20 is DATA-7311 in model, and the activity of mixing the nano zero-valent iron and the sewage is improved.
Further, a feeding pump 17 is fixedly installed inside the overflow tank 11, a collecting hopper 18 is arranged on the outer wall of one side of the feeding pump 17, and the other side of the feeding pump 17 is communicated with the feeding pipe 12.
Further, the one end of reflux unit body is passed through back flow 15 and is connected with the end of intaking, and the other end of reflux unit body passes through filling tube 9 and hydrolysis-acidification technology department intercommunication, and whole sewage treatment's process flow is: a sewage inlet end, a coagulation tank, a sedimentation tank, hydrolytic acidification, addition of nano zero-valent iron and a purified water outlet end.
The working principle is as follows: when the device is used, a reflux device body is arranged on a sewage inlet end, a coagulation tank, a sedimentation tank, a hydrolytic acidification, the addition of nano zero-valent iron and a purified water outlet end of a sewage treatment process of an operator, sewage is introduced into the interior of a reflux shell 1 through a reflux device, is uniformly scattered into the interior of the reflux shell 1 through a water distributor 8, is removed of large precipitated particles and complexes through a filter screen 6 and is collected in a collecting cylinder 4, then the sewage respectively passes through a first filling layer 2 and a second filling layer 3 to react with the nano zero-valent iron, and finally the sewage after reaction is pumped to the water inlet end of a sewage treatment process through a circulating pump 16; when sewage enters into the inside volume of backward flow shell 1 when more, sewage can enter into overflow pipe 13 in, introduce overflow tank 11 inside and keep in, when the sewage volume of treating the filling tube 9 introduction is less, have material loading pump 17 to pump the inside sewage of overflow tank 11 inside again to filling tube 9 inside, continue to carry out the backward flow to sewage and handle, combine whole sewage treatment process, realize the multistage nanometer zero-valent iron reaction to sewage, the effect of reaction between sewage and the nanometer zero-valent iron has been improved, reach the effect to sewage thorough purification.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A nano zero-valent iron reaction reflux device comprises a reflux device body, wherein the reflux device body comprises a reflux shell (1), and is characterized in that a first filling layer (2) and a second filling layer (3) are respectively arranged below the inside of the reflux shell (1), a filter screen (6) is fixedly arranged above the inside of the reflux shell (1), a snap ring (5) is welded on the outer wall of one side of the reflux shell (1) which is positioned at the upper parallel and level position of the filter screen (6), a detachable collecting barrel (4) is clamped inside the snap ring (5), an upper end cap (7) is fixedly arranged at the top end of the reflux shell (1), a water distributor (8) is arranged inside the upper end cap (7), a charging pipe (9) is fixedly arranged on the outer wall at the top of the upper end cap (7) through a connector, and the bottom of the outer wall of one side of the reflux shell (1) is connected with an overflow tank (11) through a, the top of overflow tank (11) is provided with overflow pipe (13) that is linked together with upper end cap (7), and is provided with on one side outer wall of overflow tank (11) material loading pipe (12) that are linked together with charge tube (9), fixed mounting has lower end cap (14) on the outer wall of backward flow shell (1) bottom, and has back flow (15) through articulate on the outer wall of lower end cap (14) bottom, circulating pump (16) are installed to the one end that end cap (14) were kept away from down in back flow (15).
2. The reactive reflow apparatus of claim 1, wherein the first and second filling layers (2, 3) have the same structure, and the first and second filling layers (2, 3) are filled with nanoscale zero-valent iron.
3. The reaction reflux device of nano zero-valent iron as claimed in claim 2, wherein the manufacturing steps of the nano zero-valent iron are as follows: 2.16g of aqueous KBH4 solution was slowly added to the mixture of FeCl3 and polyethylene glycol: fe2+ +2BH-4+6H2O → Fe0 ↓ +2B (OH)3+7H2 ↓ × (OH), after the reaction is complete, the produced nano-iron is washed 3 times respectively with deionized water and absolute ethyl alcohol, and then is placed in oxygen-free water for sealed storage.
4. The nanoscale zero-valent iron reaction reflux device according to claim 1, wherein an air release hole is formed in the outer wall of one side of the top of the upper end cap (7), and an exhaust pipe (10) is fixedly installed inside the air release hole.
5. The nanoscale zero-valent iron reaction reflux device according to claim 1, wherein a fixing clamping block is fixedly installed on the inner wall of one side of the overflow tank (11), a heating pipe (19) is clamped inside the fixing clamping block, and a temperature controller (20) installed on the outer wall of one side of the overflow tank (11) of the reflux shell (1) is connected to the heating pipe (19).
6. The reaction reflux device for nano zero-valent iron according to claim 1, wherein a feeding pump (17) is fixedly installed inside the overflow tank (11), a collecting hopper (18) is arranged on the outer wall of one side of the feeding pump (17), and the other side of the feeding pump (17) is communicated with the feeding pipe (12).
7. The reaction reflux device of nano zero-valent iron as claimed in claim 1, wherein one end of the reflux device body is connected with the water inlet end through a reflux pipe (15), and the other end of the reflux device body is communicated with the hydrolysis acidification process through a feed pipe (9), and the whole process flow of sewage treatment is as follows: a sewage inlet end, a coagulation tank, a sedimentation tank, hydrolytic acidification, addition of nano zero-valent iron and a purified water outlet end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921455653.3U CN210855576U (en) | 2019-09-04 | 2019-09-04 | Nano zero-valent iron reaction reflux unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921455653.3U CN210855576U (en) | 2019-09-04 | 2019-09-04 | Nano zero-valent iron reaction reflux unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210855576U true CN210855576U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921455653.3U Expired - Fee Related CN210855576U (en) | 2019-09-04 | 2019-09-04 | Nano zero-valent iron reaction reflux unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210855576U (en) |
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2019
- 2019-09-04 CN CN201921455653.3U patent/CN210855576U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20200626 |