CN212315801U - Device for treating domestic garbage leachate by utilizing rotational flow and electrochemistry - Google Patents
Device for treating domestic garbage leachate by utilizing rotational flow and electrochemistry Download PDFInfo
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- CN212315801U CN212315801U CN202020983516.3U CN202020983516U CN212315801U CN 212315801 U CN212315801 U CN 212315801U CN 202020983516 U CN202020983516 U CN 202020983516U CN 212315801 U CN212315801 U CN 212315801U
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Abstract
本实用新型公开了一种利用旋流和电化学处理生活垃圾渗滤液的装置，该装置的初级旋流单元通过进水管与多级旋流电化学单元相连通；初级旋流单元包括筒体和溢流管，筒体内中上部设有溢流管，筒体的底部设有沉砂嘴，沉砂嘴的另一端连通进水管；多级旋流电化学单元的中心电极柱、一级电极筒、二级电极筒和三级电极筒由内到外同轴设置，顶部设有上密封盖封闭，底部设有下密封盖封闭；三级电极筒上开设有出水口，出水口通过出水管与外部连通。本实用新型通过耦合电化学工艺与旋流器装置，具有处理能力强、占地面积小、充分利用空间及材料的特点，克服了传统电解装置中电极板易被沉积物覆盖的缺陷。
The utility model discloses a device for treating domestic garbage leachate by swirling flow and electrochemistry. Overflow pipe, the upper part of the cylinder is provided with an overflow pipe, the bottom of the cylinder is provided with a grit nozzle, and the other end of the grit nozzle is connected to the water inlet pipe; the central electrode column, the primary electrode cylinder, the secondary The first-stage electrode cylinder and the third-stage electrode cylinder are arranged coaxially from the inside to the outside, the top is closed with an upper sealing cover, and the bottom is closed with a lower sealing cover; the third-stage electrode cylinder is provided with a water outlet, which is communicated with the outside through a water outlet pipe . By coupling the electrochemical process and the cyclone device, the utility model has the characteristics of strong processing capacity, small footprint, full utilization of space and materials, and overcomes the defect that the electrode plate in the traditional electrolysis device is easily covered by deposits.
Description
Technical Field
The utility model belongs to the solid waste handles field, concretely relates to utilize whirl and electrochemical treatment domestic waste filtration liquid's device.
Background
The treatment of the leachate of the municipal refuse landfill is always a very difficult problem in the design, operation and management of the landfill, and the leachate has the characteristics of high organic matter concentration, complex organic matter components, high ammonia nitrogen content, imbalance of carbon-nitrogen ratio and the like. The traditional percolate treatment method mainly adopts biological treatment, but because of the particularity of percolate components, the biological treatment often cannot achieve better effect, and the treatment period is longer. The electrochemical technology has the advantages of no secondary pollution, no need of adding an oxidant and the like, and is considered to be one of technologies which are most likely to realize industrialization. The current rotational flow electrochemistry is mainly used for rotational flow electrolysis, and in order to improve the treatment effect of landfill leachate, a multi-stage electrochemical process is often needed, but the defects of large occupied space, large investment, low electrode utilization efficiency and the like can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of prior art, according to the characteristics that domestic waste filtration liquid is oily more, many sediment, organic matter concentration is high, provide an utilize device of whirl and electrochemical treatment domestic waste filtration liquid, through preliminary centrifugation and multistage electrolysis for domestic waste filtration liquid is handled to high-efficient stability.
The utility model discloses a specific technical scheme as follows:
a device for treating household garbage leachate by utilizing rotational flow and electrochemistry comprises a primary rotational flow unit, a water inlet pipe and a multi-stage rotational flow electrochemistry unit; the primary cyclone unit is communicated with the multi-stage cyclone electrochemical unit through a water inlet pipe;
the primary cyclone unit comprises a barrel body and an overflow pipe, the barrel body is of a hollow cylindrical structure with the lower part gradually reduced in a funnel shape, the overflow pipe is arranged at the middle upper part in the barrel body, and the central shaft of the overflow pipe is parallel to the central shaft of the barrel body; a feeding hole is formed in the side wall of the overflow pipe and communicated with a feeding device outside the barrel through a feeding pipe; an annular partition plate is arranged between the inner wall of the barrel and the outer wall of the overflow pipe, an overflow port is further formed in the side wall of the barrel, and the position of the overflow port is higher than the partition plate and lower than the top of the overflow pipe; the bottom of the barrel is provided with an opening, the opening is communicated with one end of a discharge pipe, the other end of the discharge pipe is communicated with one end of a sand setting nozzle, and the other end of the sand setting nozzle is communicated with a water inlet pipe; a water pump is arranged on the water inlet pipe;
the multi-stage rotational flow electrochemical unit comprises a central electrode column, a primary electrode cylinder, a secondary electrode cylinder and a tertiary electrode cylinder; the central electrode column, the primary electrode cylinder, the secondary electrode cylinder and the tertiary electrode cylinder are coaxially arranged from inside to outside, the top of the central electrode column is sealed by an upper sealing cover, and the bottom of the central electrode column is sealed by a lower sealing cover; a first area formed by the first-stage electrode cylinder, the upper sealing cover and the lower sealing cover is sealed and independent, a second area formed by the second-stage electrode cylinder, the first-stage electrode cylinder, the upper sealing cover and the lower sealing cover is sealed and independent, and a third area formed by the third-stage electrode cylinder, the second-stage electrode cylinder, the upper sealing cover and the lower sealing cover is sealed and independent; the central electrode column, the primary electrode cylinder, the secondary electrode cylinder and the tertiary electrode cylinder are respectively connected with a high-voltage power supply through an electric connection assembly; the central electrode column and the secondary electrode cylinder are connected with one pole of a high-voltage power supply, and the primary electrode cylinder and the tertiary electrode cylinder are connected with the other pole of the high-voltage power supply;
the upper sealing cover of the first area is provided with a first flow guide inlet which is communicated with the sand setting nozzle of the primary rotational flow unit through a water inlet pipe, the lower sealing cover of the first area is provided with a first flow guide outlet, the upper sealing cover of the second area is provided with a second flow guide inlet, and the first flow guide outlet is communicated with the second flow guide inlet through a first flow guide pipe; a second diversion outlet is formed in the lower sealing cover of the second area, a third diversion inlet is formed in the upper sealing cover of the third area, and the second diversion outlet is communicated with the third diversion inlet through a second diversion pipe; the first guide pipe and the second guide pipe are respectively provided with a water pump; and the three-stage electrode cylinder is provided with a water outlet which is communicated with the outside through a water outlet pipe.
Preferably, valves are arranged on the discharge pipe and the water outlet pipe.
Preferably, the sand setting nozzle is a round table-shaped hollow pipeline, the end with the small diameter is communicated with the pipe opening of the discharge pipe, and the end with the large diameter is provided with a filter screen and communicated with the water inlet pipe.
Preferably, the connecting part of the discharge pipe and the cylinder body is in closed connection by a flange; and the connection part of the sand setting nozzle and the discharge pipe is in flange closed connection.
Preferably, the central electrode column, the primary electrode cylinder, the secondary electrode cylinder and the tertiary electrode cylinder adopt graphite electrodes.
Preferably, the central electrode column, the primary electrode cylinder, the secondary electrode cylinder, the tertiary electrode cylinder and the joints of the upper sealing cover and the lower sealing cover are all in flange sealing connection.
Preferably, the central electrode column, the primary electrode cylinder, the secondary electrode cylinder and the tertiary electrode cylinder and the high-voltage power supply can switch the direction of the connecting end at regular time, so that the electrical property of the charged charges is changed.
Preferably, the lower part of the overflow pipe is a trumpet-shaped opening, and the pipe diameter of the overflow pipe is gradually increased until the pipe diameter is the same as the diameter of the cylinder.
Preferably, the feed pipe is provided with a flow speed adjusting device, and percolate can be tangentially fed into the overflow pipe through the feed pipe; the water inlet head parts of the first guide pipe and the second guide pipe are respectively provided with a flow velocity adjusting device, and percolate can tangentially flow out of the pipeline.
Compared with other technologies, the beneficial effects of the utility model reside in that:
1) compared with the traditional biological treatment technology of the percolate, the electrochemical treatment adopted by the utility model can effectively shorten the treatment period, has no secondary pollution, has better treatment effect and larger development potential;
2) according to the characteristics of more oil and more slag in the domestic garbage leachate, the utility model is additionally provided with the primary cyclone unit, the separation of the oil, slag and the leachate is realized by utilizing the centrifugal sedimentation effect, and the pressure of the subsequent treatment is greatly reduced;
3) the utility model makes the percolate tangentially enter the multi-stage cyclone electrochemical unit, forms cyclone force by matching with the annular constraint of the electrode cylinder, and increases the electrolysis time of the percolate in the electrolysis chamber, and the multi-stage cyclone electrolysis of the utility model is helpful to realize better treatment effect;
4) compared with the traditional rotational flow device and the electrochemical device, the rotational flow-electrochemical coupling process adopted by the utility model realizes the series connection of multi-stage electrochemical reactions in one device through a multi-stage structure, thereby being beneficial to fully utilizing electrode materials, reducing investment and operation cost, reducing the volume of the device, and reducing the occupied area and operation difficulty;
5) the utility model discloses utilize high voltage power supply to regularly switch electrode assembly's electrified electrical property, be favorable to preventing plate electrode "passivation", overcome the easy defect that is covered by the deposit of plate electrode among the traditional electrolytic device.
Drawings
FIG. 1 is a schematic structural diagram of the device of the present invention;
FIG. 2 is a top view of the device of the present invention;
the reference numbers in the figures are: 1-feeding hole, 3-partition plate, 4-overflow pipe, 5-overflow port, 6-barrel, 7-discharging pipe, 8-sand settling nozzle, 9-filter screen, 10-water inlet pipe, 12-central electrode column, 13-primary electrode barrel, 14-secondary electrode barrel, 15-tertiary electrode barrel, 16-electric component, 17-high voltage power supply, 18-upper sealing cover, 19-lower sealing cover and 23-water outlet pipe.
Detailed Description
The invention will be further elucidated and described with reference to the drawings and embodiments. The utility model discloses in the technical characteristics of each embodiment under the prerequisite that does not conflict each other, all can carry out corresponding combination.
As shown in figures 1 and 2, for the utility model discloses an utilize device of whirl and electrochemical treatment domestic waste filtration liquid, it includes elementary whirl unit, inlet tube 10 and multistage whirl electrochemistry unit, and elementary whirl unit is linked together with multistage whirl electrochemistry unit through inlet tube 10.
The primary cyclone unit comprises a cylinder body 6 and an overflow pipe 4, the upper part of the cylinder body 6 is of a cylindrical hollow structure, and the diameter of the lower cylinder is gradually reduced to form a funnel-shaped hollow structure. An overflow pipe 4 is arranged at the middle upper part in the cylinder body 6, the central axis of the overflow pipe 4 is parallel to the central axis of the cylinder body 6, and the central axes of the overflow pipe 4 and the cylinder body 6 are preferably coincident.
The feed inlet has been seted up to the lateral wall of overflow pipe 4, and the feed inlet is linked together through inlet pipe 1 and the outside feeder of barrel 6 for let in the domestic waste filtration liquid of pending in to the device. Be equipped with ring form baffle 3 between 6 inner walls of barrel and the 4 outer walls of overflow pipe, overflow mouth 5 has still been seted up to 6 lateral walls of barrel, and the position of overflow mouth 5 is higher than baffle 3 and is less than 4 tops of overflow pipe. The bottom of barrel 6 is equipped with the opening, and the opening communicates the one end of discharging pipe 7, and the other end of discharging pipe 7 communicates the one end of sand setting nozzle 8, and the other end of sand setting nozzle 8 communicates inlet tube 10.
In practical applications, the tapping pipe 7 can be provided with a valve for controlling whether the percolate flows out of the primary cyclone unit. The water inlet pipe 10 may be provided with a water pump for supplying power for lifting water. The sand setting nozzle 8 can be a hollow pipeline in a round table shape, one end with a small diameter is communicated with the pipe opening of the discharge pipe 7, and one end with a large diameter is provided with a filter screen 9 and is communicated with a water inlet pipe 10. The connecting part of the discharge pipe 7 and the cylinder 6 is in flange sealing connection, so that each part in the cleaning device can be replaced conveniently. The connection part of the sand settling nozzle 8 and the discharge pipe 7 is in flange sealing connection, so that each part in the cleaning device can be replaced conveniently, and slag can be discharged in time. The lower part of the overflow pipe 4 is a trumpet-shaped opening, and the pipe diameter is gradually increased until the diameter of the overflow pipe is the same as that of the cylinder 6. The feed pipe 1 may be provided with flow rate regulating means to enable the percolate to be fed tangentially through the feed pipe 1 to the overflow pipe 4.
The multi-stage cyclone electrochemical unit comprises a central electrode column 12, a first-stage electrode cylinder 13, a second-stage electrode cylinder 14 and a third-stage electrode cylinder 15. The central electrode column 12, the first-stage electrode barrel 13, the second-stage electrode barrel 14 and the third-stage electrode barrel 15 are coaxially arranged from inside to outside, the top parts of the central electrode column 12, the first-stage electrode barrel 13, the second-stage electrode barrel 14 and the third-stage electrode barrel 15 are sealed by upper sealing covers 18, and the bottom parts of the central electrode column 12, the first-stage electrode barrel 13, the second-stage electrode barrel 14 and the third-stage electrode barrel 15 are sealed by lower sealing covers 19.
Therefore, a first area formed by the primary electrode cylinder 13, the upper sealing cover 18 and the lower sealing cover 19 is closed and independent, a second area formed by the secondary electrode cylinder 14, the primary electrode cylinder 13, the upper sealing cover 18 and the lower sealing cover 19 is closed and independent, and a third area formed by the tertiary electrode cylinder 15, the secondary electrode cylinder 14, the upper sealing cover 18 and the lower sealing cover 19 is closed and independent.
The first-stage electrode barrel 13, the second-stage electrode barrel 14 and the third-stage electrode barrel 15 are hollow barrel-shaped structures with funnel-shaped and gradually reduced lower parts, and the central electrode column 12, the first-stage electrode barrel 13, the second-stage electrode barrel 14 and the third-stage electrode barrel 15 are respectively connected with a high-voltage power supply 17 through an electric connection assembly 16. The central electrode column 12 and the secondary electrode cylinder 14 are connected with one pole of a high-voltage power supply 17, and the primary electrode cylinder 13 and the tertiary electrode cylinder 15 are connected with the other pole of the high-voltage power supply 17.
The upper sealing cover 18 of the first area is provided with a first flow guide inlet which is communicated with the sand setting nozzle 8 of the primary rotational flow unit through the water inlet pipe 10, the lower sealing cover 19 of the first area is provided with a first flow guide outlet, the upper sealing cover 18 of the second area is provided with a second flow guide inlet, and the first flow guide outlet is communicated with the second flow guide inlet through a first flow guide pipe. The lower sealing cover 19 of the second area is provided with a second flow guide outlet, the upper sealing cover 18 of the third area is provided with a third flow guide inlet, and the second flow guide outlet is communicated with the third flow guide inlet through a second flow guide pipe. And the first guide pipe and the second guide pipe are respectively provided with a water pump for providing power for circulation of seepage liquid. The third-stage electrode cylinder 15 is provided with a water outlet which is communicated with the outside through a water outlet pipe 23.
In practical application, a valve may be provided on the outlet pipe 23 for controlling whether the treated leachate can be discharged from the apparatus. The central electrode column 12, the primary electrode cylinder 13, the secondary electrode cylinder 14 and the tertiary electrode cylinder 15 can adopt graphite electrodes, because the graphite electrodes are low in economic cost, good in corrosion resistance and stability, certain in mechanical strength and easy to industrially popularize. The joints of the central electrode column 12, the primary electrode barrel 13, the secondary electrode barrel 14 and the tertiary electrode barrel 15 with the upper sealing cover 18 and the lower sealing cover 19 can be in flange sealing connection, so that each part in the cleaning device can be replaced conveniently.
The water inlet heads of the first and second flow-guide tubes may each be provided with flow-rate regulating means to enable the percolate to flow tangentially out of the conduit. The percolate tangentially enters the multi-stage rotational flow electrochemical unit, and forms rotational flow force by matching with annular constraint of each stage of electrode barrel, so that the electrolysis time of the percolate among each region is prolonged, and better treatment effect is realized.
The central electrode column 12, the primary electrode barrel 13, the secondary electrode barrel 14, the tertiary electrode barrel 15 and the high-voltage power supply 17 can switch the direction of the connecting end at regular time, so that the electrical property of charged charges is changed, and the problem that the central electrode column 12, the primary electrode barrel 13, the secondary electrode barrel 14 and the tertiary electrode barrel 15 are covered by polluted sediments is solved. The parameters of the high-voltage power supply such as voltage, current and the like can be adjusted to meet the treatment requirements of different percolates.
The utility model relates to an use method of device for treating domestic waste leachate by rotational flow and electrochemistry is as follows:
1) the domestic garbage percolate is tangentially conveyed into the inner wall of the overflow pipe 4 through the feeding pipe 1, and the percolate rotates along the inner wall of the overflow pipe 4 under the action of centrifugal force. Due to the density difference between the light phase and the heavy phase, the centrifugal force and the fluid drag force are different, at this time, the light phase (oil) rotates upwards along the inner wall of the overflow pipe 4 and is discharged from the pipe, and the discharged light phase (oil) is intercepted by the clapboard 3. The accumulated light phase (oil) can be periodically discharged through the overflow 5.
Heavy phase (sediment) flows out downwards along the inner wall of the overflow pipe 4 and continues to rotate along the inner wall of the barrel 6, and the percolate gradually flows to the bottom of the barrel 6 under the action of gravity. The large particle impurities are blocked by the interception function of the filter screen 9, and the rest percolate flows out of the sand setting nozzle 8 and enters the water inlet pipe 10. The sand setting nozzle 8 and the discharge pipe 7 are connected through flanges, so that the sand setting nozzle can be periodically detached for cleaning and replacement.
2) The leachate is tangentially sent into a first area through a water inlet pipe 10, rotates along the inner wall of a primary electrode barrel 13, and removes organic pollutants and ammonia nitrogen in the leachate through the rotational flow and the electrochemical action of the first area. Due to the action of gravity, the percolate gradually flows to the bottom of the first area, enters the first flow guide pipe through a first flow guide outlet formed in the bottom of the first area, and enters the second area under the flow guide action of the first flow guide pipe.
3) And the leachate is tangentially conveyed into the second area through the first flow guide pipe, rotates along the inner wall of the secondary electrode cylinder 14, and treats the organic pollutants and ammonia nitrogen in the leachate through the rotational flow and the electrochemical action of the second area. And the percolate gradually flows to the bottom of the second area under the action of gravity, enters a second flow guide pipe through a second flow guide outlet formed in the bottom of the second area, and enters a third area under the flow guide action of the second flow guide pipe.
4) And the leachate is tangentially conveyed into a third area through a second flow guide pipe, rotates along the inner wall of the three-level electrode cylinder 15, and treats the organic pollutants and ammonia nitrogen in the leachate through the rotational flow and the electrochemical action of the third area. Due to the action of gravity, the percolate gradually flows to the bottom of the third area and is discharged through a water outlet pipe 23 connected with a water outlet arranged at the bottom of the third area.
The nozzles of the water inlet pipe 10, the first flow guide pipe and the second flow guide pipe are all provided with flow speed adjusting devices, so that percolate flowing out of the pipes is tangentially conveyed into a region to be treated.
5) The direction of the connecting end of the central electrode column 12, the first-stage electrode cylinder 13, the second-stage electrode cylinder 14 and the third-stage electrode cylinder 15 is switched with the high-voltage power supply 17 at regular time, the electric property of the charges carried by the central electrode column 12, the first-stage electrode cylinder 13, the second-stage electrode cylinder 14 and the third-stage electrode cylinder 15 is changed, the electric properties of the charges carried by the central electrode column 12, the first-stage electrode cylinder 13, the second-stage electrode cylinder 14 and the third-stage electrode cylinder 15 are opposite, and the electrolytic action of the multi-stage cyclone electrochemical unit on leachate is maintained, and meanwhile, the central electrode column 12, the first-stage electrode cylinder 13, the second-stage electrode cylinder 14 and.
Based on the characteristics of oily and slag of the domestic garbage leachate, in the primary cyclone unit, the light phase (oil) in the leachate is discharged through the overflow port 5 by utilizing the centrifugal action of inflow, and the heavy phase (solid slag) is intercepted by the filter screen 9, so that the oil separation and slag removal of the leachate are realized, and the subsequent treatment pressure is reduced.
The multistage cyclone electrochemical unit prolongs the hydraulic retention time in each area by using the centrifugal action of inflow, and removes organic pollutants and ammonia nitrogen in the percolate by oxidation under the action of an external electric field. The oxidation action of the process is divided into direct oxidation and indirect oxidation, and the graphite electrode with the electrocatalytic performance directly oxidizes organic pollutants and generates hydroxyl free radicals (OH) and superoxide free radicals (O) with strong oxidation capacity through the electrochemical action2)、H2O2And the like promote the degradation of organic matters. The pollutants in the wastewater are electrochemically degraded, no reagent is added, no secondary pollutants are generated, and the treated water body is non-toxic and harmless.
The above-mentioned embodiments are merely a preferred embodiment of the present invention, but it is not intended to limit the present invention. Various changes and modifications can be made by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present invention. Therefore, all the technical schemes obtained by adopting the mode of equivalent replacement or equivalent transformation fall within the protection scope of the utility model.
Claims (9)
1. The device for treating the domestic garbage leachate by using rotational flow and electrochemistry is characterized by comprising a primary rotational flow unit, a water inlet pipe (10) and a multi-stage rotational flow electrochemical unit; the primary cyclone unit is communicated with the multi-stage cyclone electrochemical unit through a water inlet pipe (10);
the primary cyclone unit comprises a cylinder body (6) and an overflow pipe (4), the cylinder body (6) is of a hollow cylindrical structure with the lower part gradually reduced in a funnel shape, the overflow pipe (4) is arranged at the middle upper part in the cylinder body (6), and the central shaft of the overflow pipe (4) is parallel to the central shaft of the cylinder body (6); a feeding hole is formed in the side wall of the overflow pipe (4), and the feeding hole is communicated with a feeding device outside the barrel body (6) through a feeding pipe (1); an annular partition plate (3) is arranged between the inner wall of the barrel body (6) and the outer wall of the overflow pipe (4), an overflow port (5) is further formed in the side wall of the barrel body (6), and the overflow port (5) is higher than the partition plate (3) and lower than the top of the overflow pipe (4); the bottom of the barrel body (6) is provided with an opening, the opening is communicated with one end of a discharge pipe (7), the other end of the discharge pipe (7) is communicated with one end of a sand setting nozzle (8), and the other end of the sand setting nozzle (8) is communicated with a water inlet pipe (10); a water pump is arranged on the water inlet pipe (10);
the multi-stage rotational flow electrochemical unit comprises a central electrode column (12), a primary electrode cylinder (13), a secondary electrode cylinder (14) and a tertiary electrode cylinder (15); the central electrode column (12), the primary electrode cylinder (13), the secondary electrode cylinder (14) and the tertiary electrode cylinder (15) are coaxially arranged from inside to outside, the top of the central electrode column is sealed by an upper sealing cover (18), and the bottom of the central electrode column is sealed by a lower sealing cover (19); a first area formed by the primary electrode cylinder (13), the upper sealing cover (18) and the lower sealing cover (19) is sealed and independent, a second area formed by the secondary electrode cylinder (14), the primary electrode cylinder (13), the upper sealing cover (18) and the lower sealing cover (19) is sealed and independent, and a third area formed by the tertiary electrode cylinder (15), the secondary electrode cylinder (14), the upper sealing cover (18) and the lower sealing cover (19) is sealed and independent; the primary electrode cylinder (13), the secondary electrode cylinder (14) and the tertiary electrode cylinder (15) are hollow cylindrical structures with funnel-shaped gradually reduced lower parts, and the central electrode column (12), the primary electrode cylinder (13), the secondary electrode cylinder (14) and the tertiary electrode cylinder (15) are respectively connected with a high-voltage power supply (17) through an electric connection assembly (16); the central electrode column (12) and the secondary electrode cylinder (14) are connected with one pole of a high-voltage power supply (17), and the primary electrode cylinder (13) and the tertiary electrode cylinder (15) are connected with the other pole of the high-voltage power supply (17);
the upper sealing cover (18) of the first area is provided with a first flow guide inlet, the first flow guide inlet is communicated with the sand setting nozzle (8) of the primary rotational flow unit through a water inlet pipe (10), the lower sealing cover (19) of the first area is provided with a first flow guide outlet, the upper sealing cover (18) of the second area is provided with a second flow guide inlet, and the first flow guide outlet is communicated with the second flow guide inlet through a first flow guide pipe; a second flow guide outlet is formed in the lower sealing cover (19) of the second area, a third flow guide inlet is formed in the upper sealing cover (18) of the third area, and the second flow guide outlet is communicated with the third flow guide inlet through a second flow guide pipe; the first guide pipe and the second guide pipe are respectively provided with a water pump; and a water outlet is formed in the three-stage electrode cylinder (15) and is communicated with the outside through a water outlet pipe (23).
2. The device for treating leachate of domestic waste by using rotational flow and electrochemical method according to claim 1, wherein the discharge pipe (7) and the outlet pipe (23) are provided with valves.
3. The device for treating household garbage percolate by using rotational flow and electrochemistry according to claim 1, characterized in that the sand settling nozzle (8) is a truncated cone shaped hollow pipeline, the end with small diameter is communicated with the pipe orifice of the discharge pipe (7), and the end with large diameter is provided with a filter screen (9) and is communicated with the water inlet pipe (10).
4. The device for treating household garbage percolate with rotational flow and electrochemistry according to claim 1, characterized in that the connection part of the discharge pipe (7) and the cylinder (6) is in flange closed connection; and the connection part of the sand setting nozzle (8) and the discharge pipe (7) is in flange closed connection.
5. The device for treating household garbage leachate by rotational flow and electrochemistry according to claim 1, wherein the central electrode column (12), the primary electrode cylinder (13), the secondary electrode cylinder (14) and the tertiary electrode cylinder (15) are all graphite electrodes.
6. The device for treating household garbage leachate by utilizing rotational flow and electrochemistry according to claim 1, wherein the joints of the central electrode column (12), the primary electrode cylinder (13), the secondary electrode cylinder (14), the tertiary electrode cylinder (15), the upper sealing cover (18) and the lower sealing cover (19) are in flange sealing connection.
7. The device for treating leachate of domestic garbage by using rotational flow and electrochemical method according to claim 1, wherein the central electrode column (12), the primary electrode cylinder (13), the secondary electrode cylinder (14) and the tertiary electrode cylinder (15) and the high voltage power source (17) can switch the direction of the connection end at regular time, so as to change the electrical property of the charged charges.
8. The device for treating household garbage percolate with rotational flow and electrochemistry according to claim 1, characterized in that the lower part of the overflow pipe (4) is flared and the pipe diameter is gradually enlarged to be the same as the diameter of the cylinder (6).
9. The device for treating leachate of domestic waste with rotational flow and electrochemical method according to claim 1, wherein the feeding pipe (1) is provided with a flow rate adjusting device, and leachate can be tangentially fed into the overflow pipe (4) through the feeding pipe (1); the water inlet head parts of the first guide pipe and the second guide pipe are respectively provided with a flow velocity adjusting device, and percolate can tangentially flow out of the pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020983516.3U CN212315801U (en) | 2020-06-02 | 2020-06-02 | Device for treating domestic garbage leachate by utilizing rotational flow and electrochemistry |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020983516.3U CN212315801U (en) | 2020-06-02 | 2020-06-02 | Device for treating domestic garbage leachate by utilizing rotational flow and electrochemistry |
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| CN212315801U true CN212315801U (en) | 2021-01-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573922A (en) * | 2020-06-02 | 2020-08-25 | 浙江大学 | A device and method for treating domestic landfill leachate by cyclone and electrochemistry |
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2020
- 2020-06-02 CN CN202020983516.3U patent/CN212315801U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573922A (en) * | 2020-06-02 | 2020-08-25 | 浙江大学 | A device and method for treating domestic landfill leachate by cyclone and electrochemistry |
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