CN210332217U - Electrocatalytic oxidation VOC administers device - Google Patents
Electrocatalytic oxidation VOC administers device Download PDFInfo
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- CN210332217U CN210332217U CN201921174428.2U CN201921174428U CN210332217U CN 210332217 U CN210332217 U CN 210332217U CN 201921174428 U CN201921174428 U CN 201921174428U CN 210332217 U CN210332217 U CN 210332217U
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Abstract
The utility model discloses an electrocatalytic oxidation VOC treatment device, which comprises a spraying mechanism, a pretreatment mechanism and an electrolysis mechanism; the spraying mechanism comprises a tower body, an air inlet and a plurality of spraying units, and each spraying unit comprises a packing layer and a plurality of uniformly arranged spray heads; the pretreatment mechanism comprises a storage box, a sedimentation box and an overflow box, wherein a sedimentation plate is arranged in the middle of the sedimentation box; the electrolysis mechanism comprises an electrolysis box and a water outlet box, a plurality of electrodes which are uniformly arranged are arranged in the electrolysis box, and the electrodes are electrically connected with a low-voltage power supply arranged outside the electrolysis box; the bottom of the electrolytic tank is provided with a water inlet which is communicated with the overflow tank through a spray pump, and the top of the water outlet tank is provided with a water outlet which is communicated with the spray head. The utility model adopts the above structure an electrocatalytic oxidation VOC administers device thoroughly gets rid of the polluted component among the VOC, and the gas after the processing can discharge to reach standard, does not throw with chemical agent in the processing procedure, does not produce secondary pollution.
Description
Technical Field
The utility model relates to a VOC exhaust purification technical field especially relates to an electrocatalytic oxidation VOC administers device.
Background
The electrocatalytic oxidation technology, as one of the advanced oxidation technologies, has been widely applied in the wastewater treatment industry, but is a blank in the VOC treatment technology. The key influence factors of the method mainly comprise the following three aspects: (1) the proper electrode material is selected, namely the electrode is used for efficiently decomposing organic matters as much as possible and efficiently removing electrolysis water and heat as little as possible. (2) The reasonable electrolysis system enhances the mass transfer speed, improves the current efficiency, reduces the voltage, and can effectively reduce the operation cost due to the reasonable design of the electrolysis system. (3) The reasonable design of the absorption system and the gas distribution system relates to the electrolysis efficiency of the electrolyte to the organic matters, and the reasonable design of the gas distribution system can effectively reduce the short circuit of the waste gas.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electro-catalytic oxidation VOC administers device thoroughly gets rid of the polluted component in the VOC, and the gas after the processing can discharge up to standard, does not throw with chemical agent in the processing procedure, does not produce secondary pollution, and its technology principle adopts to shift gaseous pollutants to in spraying the liquid, then will spray the liquid and carry out electro-catalytic oxidation and handle, carries the liquid that sprays behind the oxidizing radical, sprays to reach the mesh of purifying the gas.
In order to realize the aim, the utility model provides an electrocatalytic oxidation VOC treatment device, which comprises a spraying mechanism, a pretreatment mechanism and an electrolysis mechanism;
the spraying mechanism comprises a tower body, an air inlet and a plurality of spraying units which are uniformly arranged in the tower body from top to bottom, the air inlet is arranged on one side of the tower body, the air inlet is arranged below the spraying unit at the lowest end, the spraying unit comprises a packing layer and a plurality of uniformly arranged spray heads, and the spray heads are arranged above the packing layer;
the pretreatment mechanism comprises a storage box, a sedimentation box and an overflow box, wherein the storage box is arranged at the bottom of the tower body, the bottom of the storage box is communicated with the bottom of the sedimentation box, the top of the sedimentation box is communicated with the top of the overflow box, a sedimentation plate is arranged in the middle of the sedimentation box, and a slag discharge port is formed in the bottom of the sedimentation box;
the electrolysis mechanism comprises an electrolysis box and a water outlet box, the electrolysis box is separated from the water outlet box through a pattern plate, a plurality of electrodes which are uniformly arranged are arranged in the electrolysis box, the electrodes are fixedly arranged on the pattern plate, and the electrodes are electrically connected with a low-voltage power supply arranged on the outer side of the electrolysis box;
the bottom of the electrolytic tank is provided with a water inlet which is communicated with the overflow tank through a spray pump, the top of the water outlet tank is provided with a water outlet, and the water outlet is communicated with the spray head through a spray pipeline.
Preferably, the electrode comprises an anode and a cathode, the cathode is wrapped on the outer side of the anode, the anode is electrically connected with the positive electrode of the low-voltage power supply, and the cathode is electrically connected with the negative electrode of the low-voltage power supply.
Preferably, the anode is a tubular electrode, a plurality of holes are formed in the tube wall of the anode, a first water outlet is formed in one end, close to the water outlet box, of the anode, the cathode is a barrel-type cathode, and a plurality of round holes are formed in the tube wall of the cathode.
Preferably, the top of electrolysis box is provided with the access hole, the unit department that sprays install the visual window on the tower body, air intake department is provided with the valve.
Therefore, the utility model adopts the above structure an electrocatalytic oxidation VOC administers device thoroughly gets rid of the polluted component in the VOC, and the gas after the processing can discharge up to standard, does not throw chemical agent, does not produce secondary pollution in the processing procedure, and its technology principle adopts to shift gaseous pollutants to in spraying the liquid, then will spray the liquid and carry out electrocatalytic oxidation and handle, carries the liquid that sprays behind the oxidizing free radical, sprays to reach the purpose of purifying the gas.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic view of an embodiment of an electrocatalytic oxidation VOC abatement device of the present invention;
fig. 2 is a schematic view of an electrode of an embodiment of the device for treating VOC by electrocatalytic oxidation.
Reference numerals
1. A tower body; 2. an air inlet; 3. a filler layer; 4. a spray head; 5. a storage box; 6. a settling tank; 7. an overflow tank; 8. a settlement plate; 9. a slag discharge port; 10. an electrolytic tank; 11. a water outlet tank; 12. a pattern plate; 13. an electrode; 14. an anode; 15. a cathode; 16. a low voltage power supply; 17. a water inlet; 18. a spray pump; 19. a water outlet; 20. a spray pipe; 21. an access hole; 22. a visual window; 23. and (4) a valve.
Detailed Description
Examples
Fig. 1 is a schematic view of an embodiment of the device for treating VOC by electrocatalytic oxidation, and fig. 2 is a schematic view of an electrode of an embodiment of the device for treating VOC by electrocatalytic oxidation. As shown in the figure, the utility model provides an electrocatalytic oxidation VOC treatment device, which comprises a spraying mechanism, a pretreatment mechanism and an electrolysis mechanism; the spraying mechanism comprises a tower body 1, an air inlet 2 and a plurality of spraying units which are uniformly arranged in the tower body 1 from top to bottom, wherein a visual window 22 is arranged on the tower body 1 at the spraying unit for observing the spraying condition in the tower body 1, the air inlet 2 is arranged at one side of the tower body 1, the air inlet 2 is arranged below the spraying unit at the lowest end, a valve 23 is arranged at the air inlet 2, the spraying unit comprises a packing layer 3 and a plurality of uniformly arranged spray heads 4, and the spray heads 4 are arranged above the packing layer 3; pretreatment mechanism includes storage box 5, subsides case 6 and overflow case 7, and storage box 5 sets up in 1 bottoms of tower body, and storage box 5 is used for storing and sprays liquid, and the bottom of storage box 5 is linked together with the bottom of subsider 6, and the top of subsider 6 is linked together with the top of overflow case 7, and the mid-mounting of subsider 6 has subsider plate 8, and row's cinder notch 9 has been seted up to the bottom of subsider 6.
The electrolysis mechanism comprises an electrolysis box 10 and a water outlet box 11, the electrolysis box 10 is separated from the water outlet box 11 through a flower plate 12, the short circuit phenomenon of spraying liquid between the electrolysis box 10 and the water outlet box 11 is prevented, a plurality of electrodes 13 which are uniformly arranged are arranged in the electrolysis box 10, the electrodes 13 are fixedly arranged on the flower plate 12, the electrodes 12 are electrically connected with a low-voltage power supply 16 arranged outside the electrolysis box 10, the electrodes 13 comprise an anode 14 and a cathode 15, the cathode 15 is wrapped outside the anode 14, a gap exists between the anode 14 and the cathode 15, the gap is 5mm, the anode 14 is electrically connected with the anode of the low-voltage power supply 16, the cathode 15 is electrically connected with the cathode of the low-voltage power supply 16, the anode 14 is a tubular electrode, a plurality of pores are arranged on the tube wall of the anode 14, the diameters of the pores are 5-10 mu m, one end of the anode 14 close to the water outlet box 11 is provided with a water outlet I, the spraying device is characterized in that spraying liquid is prevented from flowing to the outside, the cathode 15 is a barrel-type cathode, a plurality of round holes are formed in the pipe wall of the cathode 15, the diameter of each round hole is 1.5-2.5mm, the round holes are regularly arranged, the center distance between every two adjacent round holes is 6mm, an access hole 21 is formed in the top of the electrolytic box 10, the electrolytic box 10 is convenient to inspect and maintain, a water inlet 17 is formed in the bottom of the electrolytic box 10, the water inlet 17 is communicated with the overflow box 7 through a spraying pump 18, a water outlet 19 is formed in the top of the water outlet box 11, and the water outlet 19 is communicated with the spray head 4.
When the device works, the spraying mechanism, the pretreatment mechanism and the electrolysis mechanism are firstly made to run for five minutes, then the valve 23 at the air inlet 2 is slowly opened, the spraying liquid in the water outlet box 11 enters the spray head 4 through the spraying pipeline 20, the polluted gas is sprayed and washed by the spraying liquid sprayed by the spray head 4, the packing layer 3 prolongs the gas-liquid contact time, the spraying liquid finally falls into the storage box 5, the bottom of the storage box 5 is communicated with the bottom of the sedimentation box 6, the spraying liquid enters the sedimentation box 6 and flows upwards from the bottom, large suspended matters fall on the sedimentation plate 8, the supernatant in the spraying liquid is accumulated to a certain thickness and falls into the bottom of the sedimentation box 6, the supernatant is discharged through the slag discharge port 9, the supernatant overflows into the overflow box 7, the supernatant is pumped into the electrolysis box 10 through the spraying pump 18, and the supernatant enters the inside of the anode 14 through the round hole on the pipe wall of the cathode 15 and the hole on the pipe wall, then, the clean gas enters the water outlet tank 11 from a water outlet I of the anode 14 close to one end of the water outlet tank 11, and the clean gas is discharged from an air outlet at the top of the tower body 1, so that the whole cycle is completed; in order to ensure the safety of the device, the low-voltage power supply 16 electrically connected with the electrode 13 adopts a low-voltage design, the maximum voltage does not exceed 12V, and the maximum current does not exceed 1000A.
In order to effectively treat waste gas by an electrocatalytic oxidation technology, the utility model firstly brings the pollution components in the polluted gas into the spraying liquid through the spraying effect, removes electrolysis in the electrolytic tank 10 through the electrode 13, and secondly, the electrolyzed spraying liquid contains oxidation free radicals to directly spray the waste gas; in order to improve the electrolysis efficiency, the utility model is provided with the pretreatment mechanism, the large-particle dust in the spraying liquid is settled by the settling plate 8, and the operation load of the electrode 13 is reduced, thereby achieving the purpose of saving electricity; in order to improve the content of the oxidation free radicals in the spray liquid, the utility model is provided with a tubular electrode and a flower plate 12 structure, so that all the spray liquid is ensured to be subjected to catalytic oxidation by the electrode 13 in the circulation process, and the short circuit phenomenon of the spray liquid is prevented; in order to ensure the normal operation of the electrode 13 and reduce the pollution blockage of the electrode 13, the water inlet mode of the electrode 13 of the utility model adopts external pressure type water inlet, and the manhole is arranged above the electrolytic tank 10.
Therefore, the utility model adopts the above structure an electrocatalytic oxidation VOC administers device thoroughly gets rid of the polluted component in the VOC, and the gas after the processing can discharge up to standard, does not throw chemical agent, does not produce secondary pollution in the processing procedure, and its technology principle adopts to shift gaseous pollutants to in spraying the liquid, then will spray the liquid and carry out electrocatalytic oxidation and handle, carries the liquid that sprays behind the oxidizing free radical, sprays to reach the purpose of purifying the gas.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides an electro catalytic oxidation VOC administers device which characterized in that:
comprises a spraying mechanism, a pretreatment mechanism and an electrolysis mechanism;
the spraying mechanism comprises a tower body, an air inlet and a plurality of spraying units which are uniformly arranged in the tower body from top to bottom, the air inlet is arranged on one side of the tower body, the air inlet is arranged below the spraying unit at the lowest end, the spraying unit comprises a packing layer and a plurality of uniformly arranged spray heads, and the spray heads are arranged above the packing layer;
the pretreatment mechanism comprises a storage box, a sedimentation box and an overflow box, wherein the storage box is arranged at the bottom of the tower body, the bottom of the storage box is communicated with the bottom of the sedimentation box, the top of the sedimentation box is communicated with the top of the overflow box, a sedimentation plate is arranged in the middle of the sedimentation box, and a slag discharge port is formed in the bottom of the sedimentation box;
the electrolysis mechanism comprises an electrolysis box and a water outlet box, the electrolysis box is separated from the water outlet box through a pattern plate, a plurality of electrodes which are uniformly arranged are arranged in the electrolysis box, the electrodes are fixedly arranged on the pattern plate, and the electrodes are electrically connected with a low-voltage power supply arranged on the outer side of the electrolysis box;
the bottom of the electrolytic tank is provided with a water inlet which is communicated with the overflow tank through a spray pump, the top of the water outlet tank is provided with a water outlet, and the water outlet is communicated with the spray head through a spray pipeline.
2. The electro-catalytic oxidation VOC abatement device of claim 1, wherein: the electrode comprises an anode and a cathode, the cathode is wrapped on the outer side of the anode, the anode is electrically connected with the anode of the low-voltage power supply, and the cathode is electrically connected with the cathode of the low-voltage power supply.
3. An electrocatalytic oxidation (VOC) remediation device as claimed in claim 2, wherein: the anode is a tubular electrode, a plurality of holes are formed in the tube wall of the anode, a first water outlet is formed in one end, close to the water outlet box, of the anode, the cathode is a barrel-type cathode, and a plurality of round holes are formed in the tube wall of the cathode.
4. An electrocatalytic oxidation (VOC) remediation device as claimed in claim 3, wherein: the top of electrolysis box is provided with the access hole, the unit department that sprays install the visual window on the tower body, air inlet department is provided with the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921174428.2U CN210332217U (en) | 2019-07-24 | 2019-07-24 | Electrocatalytic oxidation VOC administers device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921174428.2U CN210332217U (en) | 2019-07-24 | 2019-07-24 | Electrocatalytic oxidation VOC administers device |
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| CN210332217U true CN210332217U (en) | 2020-04-17 |
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| CN201921174428.2U Active CN210332217U (en) | 2019-07-24 | 2019-07-24 | Electrocatalytic oxidation VOC administers device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110237665A (en) * | 2019-07-24 | 2019-09-17 | 河北瑛泽环保科技有限公司 | A kind of electrocatalytic oxidation VOC controlling device |
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2019
- 2019-07-24 CN CN201921174428.2U patent/CN210332217U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110237665A (en) * | 2019-07-24 | 2019-09-17 | 河北瑛泽环保科技有限公司 | A kind of electrocatalytic oxidation VOC controlling device |
| CN110237665B (en) * | 2019-07-24 | 2023-12-19 | 河北瑛泽环保科技有限公司 | Electrocatalytic oxidation VOC treatment device |
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