CN109761336B - Efficient anti-blocking pulse type Fenton oxidation tower - Google Patents
Efficient anti-blocking pulse type Fenton oxidation tower Download PDFInfo
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- CN109761336B CN109761336B CN201711095139.9A CN201711095139A CN109761336B CN 109761336 B CN109761336 B CN 109761336B CN 201711095139 A CN201711095139 A CN 201711095139A CN 109761336 B CN109761336 B CN 109761336B
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Abstract
The invention relates to the technical field of sewage treatment, in particular to a high-efficiency anti-blocking pulse type Fenton oxidation tower. The device adopts a siphon principle to arrange, can realize intermittent pulse type water supply to enable the mixing to be more uniform without an additional water pump for supplying water to the water distributor, can prevent sewage blockage due to the design of the water distributor, and solves the problems of uneven water distribution, reduced treatment efficiency of the reactor and high operating cost caused by hardening and solidification of catalytic packing and blockage of water distribution holes of a solid bed; the position design of the flow control valve can control the pulse size and the frequency cycle of the water distributor, and can realize sewage treatment at different concentrations; the reverse inclined tube design can accelerate adsorption precipitation; the additive agent is wrapped by silicon dioxide, so that the additive amount of the agent is reduced; the design of the partition plate can eliminate water flow fluctuation to enable pulse output to be more stable; the position setting of filler pump can realize the bottom packing, has solved the loaded down with trivial details hard problem of top condiment.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a high-efficiency anti-blocking pulse type Fenton oxidation tower.
Background
The traditional Fenton chemical oxidation technology has the technical defects of large sludge yield and high operation cost, so that the problem of difficult technical popularization exists in practical production and application, currently, a fixed bed lamp mode is mostly adopted to retain iron oxidation catalyst filler in a reactor, and the problems of large sludge yield and high operation cost are solved individually, but the problems of hardening and solidification of the catalytic filler and blockage of water distribution holes exist in a solid bed, so that the problems of uneven water distribution and reduced reactor treatment efficiency are caused; in the sewage treatment process of different concentrations, because the treatment equipment is fixed to work, when the sewage concentration is too high and is not sufficiently treated, the medicament is wasted when the sewage concentration is too low; in the seasoning process, a crane is generally adopted to hang the filler on the top of the oxidation tower, and the filler is filled from the top, which is complicated.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a high-efficiency anti-blocking pulse type Fenton oxidation tower aiming at the technical defects, the high-efficiency anti-blocking pulse type Fenton oxidation tower is arranged by adopting a siphon principle, intermittent pulse type water supply can be realized without an additional water pump for supplying water to a water distributor, so that the mixing is more uniform, the design of the water distributor can prevent sewage blocking, and the problems of uneven water distribution, reduced reactor treatment efficiency and high operation cost caused by hardening and solidification of a catalytic filler and blocking of water distribution holes in a solid bed are solved; the position design of the flow control valve can control the pulse size and the frequency cycle of the water distributor, and can realize sewage treatment at different concentrations; the reverse inclined tube design can accelerate adsorption precipitation; the additive agent is wrapped by silicon dioxide, so that the additive amount of the agent is reduced; the design of the partition plate can eliminate water flow fluctuation to enable pulse output to be more stable; the position setting of filler pump can realize the bottom packing, has solved the loaded down with trivial details hard problem of top condiment.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: comprises an oxidation tower, a water distributor, a siphon device and a supply device; a sludge port is arranged at the bottom of the oxidation tower; a water distribution and inlet pipe is arranged above the sludge port and on the left side of the oxidation tower; a sewage pipe is arranged above the water distribution inlet pipe; an H2O2 water inlet and an Fe2+ water inlet are respectively arranged on two sides above the sewage pipe; two sewage outlets are arranged above the right side of the Fe2+ water inlet; three sampling pipes are uniformly arranged above the sewage draining outlet in the height direction; sampling switches are arranged at the outlets of the three sampling pipes; the inlets of the three sampling pipes are positioned above the middle part of the oxidation tower; the right side of the sampling tube is welded with a safe crawling ladder outside the oxidation tower; a drain pipe is arranged above the sampling pipe; the water distributor is arranged at the bottom end inside the oxidation tower; the water distributor is higher than the sludge port and lower than the sewage pipe; the inlet end of the water distributor is connected with the outlet flange of the water distribution inlet pipe; the supply device is arranged on one side of the oxidation tower; the feeding device comprises a first pipeline, a tee joint, a sewage pump and a filler pump; the outlet end of the sewage pump is connected with the inlet end of the sewage pipe through a first pipeline flange; the middle part of the first pipeline is provided with a flowmeter; the inlet end flange of the sewage pump is connected with a second pipeline; a filler bin is arranged at the inlet end of the top of the filler pump; the outlet end of the filler pump is connected with one end of the second pipeline through a tee flange; both sides of the sewage pump are fixedly connected with a supply pump; the water outlet ends of the two supply pumps are respectively connected with a pump medicine pipe in a flange manner; one end of each of the two pump medicine pipes is respectively connected with the Fe2+ water inlet and the H2O2 water inlet through loose joints.
Further optimizing the technical scheme, the siphon device comprises a main water distribution pipe, a siphon auxiliary pipe, a siphon damage pipe and a siphon pipe; the bottom of the main water distribution pipe is connected with a flange of a water distribution inlet pipe; the top of the water distribution main pipe is provided with a U-shaped pipe; the top of the U-shaped pipe is respectively communicated with one end of the siphon breaking pipe and one end of the siphon auxiliary pipe in a welding way; the other end of the siphon auxiliary pipe is communicated with the middle part of the siphon pipe in a welding way; the other end of the siphon break pipe is vertically downward; the inlet end of the siphon is welded and communicated with the middle part of the right side of the U-shaped pipe; the outlet end of the siphon is welded and communicated with the middle part of the drain pipe; the bottom end of the siphon is connected with a flow control valve through a flange.
Further optimizing the technical scheme, the water distributor comprises a water distribution main disc and a water distribution head; the bottom of the water distribution main disc is connected with an inlet flange of the water distribution water inlet pipe; a plurality of water distribution rods are uniformly arranged on the periphery of the water distribution main disc; the water distribution rod is uniformly provided with a plurality of threaded holes in the length direction; the threaded holes are sequentially enlarged; the water distribution head is in threaded connection with the threaded hole; the top of the water distribution head is provided with a spiral plate; the diameters of the spiral plates are sequentially reduced in the height direction; a spiral clapboard is arranged inside the spiral plate; the height of the spiral clapboard is less than the pitch of the spiral plate.
Further optimizing the technical scheme, a first group of inclined pipes and a second group of inclined pipes are fixedly arranged above the middle inside the oxidation tower in sequence; the bottom of the first group of inclined tubes is fixedly provided with a first partition plate; a second partition plate is fixedly arranged at the top of the second group of inclined pipes; the inclined pipes of the first group of inclined pipes and the second group of inclined pipes are inclined in opposite directions; a plurality of through holes are uniformly formed in the first partition disc and the second partition disc; the three sampling tubes are arranged among the first partition plate, the first group of inclined tubes, the second group of inclined tubes and the second partition plate at intervals.
Further optimizing the technical scheme, the pipeline at the top of the siphon pipe is inclined downwards; the inclination angle is 30 degrees; the inlet end of the main water distribution pipe is higher than the second partition plate; the bottom end of the siphon breaking pipe is lower than the inlet end of the siphon pipe; the inlet end of the drain pipe is lower than the inlet end of the siphon pipe.
Further optimizing the technical scheme, the surface of the filler supplied by the filler pump is wrapped by a layer of silica film.
Compared with the prior art, the invention has the following advantages: 1. the siphon principle is adopted, so that intermittent pulse type water supply can be realized without an additional water pump for supplying water to the water distributor, and the mixing is more uniform; 2. the design of the water distributor can prevent sewage blockage, and solves the problems of uneven water distribution, reduced treatment efficiency of the reactor and high operation cost caused by the hardening and solidification of the catalytic filler and the blockage of water distribution holes in the solid bed; 3. the position design of the flow control valve can control the pulse size and the frequency cycle of the water distributor, the input amount of the flow control valve and the medicament is controlled according to the sewage concentration, and the sewage treatment at different concentrations can be realized; 4. the design of the reverse inclined pipe can increase the flow of water flow and realize the effect of accelerating adsorption and precipitation; 5. the additive agent is wrapped by silicon dioxide, so that the additive amount of the agent is reduced; 5. the position setting of filler pump can realize the bottom packing, has solved the loaded down with trivial details hard problem of top condiment.
Drawings
Fig. 1 is a general assembly diagram of a high-efficiency anti-blocking pulse type Fenton oxidation tower.
Fig. 2 is a structural diagram of the internal installation of the high-efficiency anti-blocking pulse type fenton oxidation tower.
Fig. 3 is a structural diagram of a supply device of the high-efficiency anti-blocking pulse type fenton oxidation tower.
Fig. 4 is a structural diagram of a water distributor of the high-efficiency anti-blocking pulse type Fenton oxidation tower.
Fig. 5 is a structural diagram of a siphon device of the high-efficiency anti-blocking pulse type Fenton oxidation tower.
In the figure: 1. an oxidation tower; 2. a water distributor; 3. a siphon device; 4. a supply device; 5. a sludge port; 6. a water distribution and inlet pipe; 7. a sewage pipe; 8. a water inlet of H2O 2; 9. a Fe2+ water inlet; 10. a sewage draining outlet; 11. a sampling tube; 12. a sampling switch; 13. a safety ladder stand; 14. a drain pipe; 15. a first pipeline; 16. a tee joint; 17. a sewage pump; 18. a filler pump; 19. a flow meter; 20. a second pipeline; 21. a material filling bin; 22. a supply pump; 23. a drug pumping pipe; 24. a water distribution main pipe; 25. a siphon auxiliary pipe; 26. a siphon break pipe; 27. a siphon tube; 28. a U-shaped pipe; 29. a flow control valve; 30. a water distribution main disc; 31. a water distribution head; 32. a water distribution rod; 33. a threaded hole; 34. a spiral plate; 35. a spiral partition plate; 36. a first set of inclined tubes; 37. a second set of inclined tubes; 38. a first divider disk; 39. a second divider disk; 40. and a through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The first embodiment is as follows: as shown in fig. 1-5, the device comprises an oxidation tower 1, a water distributor 2, a siphon device 3 and a supply device 4; the bottom of the oxidation tower 1 is provided with a sludge port 5; a water distribution and inlet pipe 6 is arranged on the left side of the oxidation tower 1 above the sludge port 5; a sewage pipe 7 is arranged above the water distribution inlet pipe 6; two sides above the sewage pipe 7 are respectively provided with an H2O2 water inlet 8 and an Fe2+ water inlet 9; two sewage outlets 10 are arranged above the right side of the Fe2+ water inlet 9; three sampling pipes 11 are uniformly arranged above the sewage draining exit 10 in the height direction; sampling switches 12 are arranged at the outlets of the three sampling pipes 11; the inlets of the three sampling pipes 11 are positioned above the middle part of the oxidation tower 1; a safety ladder 13 is welded on the right side of the sampling tube 11 outside the oxidation tower 1; a drain pipe 14 is arranged above the sampling pipe 11; the water distributor 2 is arranged at the bottom end inside the oxidation tower 1; the water distributor 2 is higher than the sludge port 5 and lower than the sewage pipe 7; the inlet end of the water distributor 2 is connected with the outlet end flange of the water distribution inlet pipe 6; the supply device 4 is arranged at one side of the oxidation tower 1; the feeding device 4 comprises a first pipe 15, a tee 16, a sewage pump 17 and a filler pump 18; the outlet end of the sewage pump 17 is connected with the inlet end of the sewage pipe 7 through a first pipeline 15 in a flange manner; the middle part of the first pipeline 15 is provided with a flowmeter 19; the inlet end of the sewage pump 17 is connected with a flange of a second pipeline 20; a filler bin 21 is arranged at the top inlet end of the filler pump 18; the outlet end of the filler pump 18 is connected with one end of a second pipeline 20 through a tee 16 in a flange mode; the two sides of the sewage pump 17 are fixedly connected with a supply pump 22; the water outlet ends of the two supply pumps 22 are respectively connected with a pump chemical pipe 23 in a flange manner; one ends of the two pump medicine pipes 23 are respectively connected with the Fe2+ water inlet 9 and the H2O2 water inlet 8 through loose joints; the siphon device 3 comprises a main water distribution pipe 24, a siphon auxiliary pipe 25, a siphon breaking pipe 26 and a siphon 27; the bottom of the main water distribution pipe 24 is connected with a flange of the water distribution inlet pipe 6; the top of the main water distribution pipe 24 is provided with a U-shaped pipe 28; the top of the U-shaped pipe 28 is respectively communicated with one end of the siphon break pipe 26 and one end of the siphon auxiliary pipe 25 in a welding way; the other end of the siphon auxiliary pipe 25 is communicated with the middle part of the siphon pipe 27 in a welding way; the other end of the siphon break pipe 26 is directed vertically downward; the inlet end of the siphon 27 is welded and communicated with the middle part of the right side of the U-shaped pipe 28; the outlet end of the siphon 27 is welded and communicated with the middle part of the drain pipe 14; the bottom end of the siphon 27 is connected with a flow control valve 29 in a flange manner; the water distributor 2 comprises a water distribution main disc 30 and a water distribution head 31; the bottom of the water distribution main disc 30 is connected with the inlet flange of the water distribution inlet pipe 6; a plurality of water distribution rods 32 are uniformly arranged on the periphery of the water distribution main disc 30; the water distribution rod 32 is uniformly provided with a plurality of threaded holes 33 in the length direction; the threaded holes 33 are successively enlarged; the water distribution head 31 is connected with the threaded hole 33 through threads; the top of the water distribution head 31 is provided with a spiral plate 34; the spiral plates 34 become smaller in diameter in the height direction; a spiral partition plate 35 is arranged inside the spiral plate 34; the height of the spiral partition 35 is smaller than the pitch of the spiral plate 34; a first group of inclined tubes 36 and a second group of inclined tubes 37 are sequentially and fixedly arranged above the middle inside the oxidation tower 1; a first partition plate 38 is fixedly arranged at the bottom of the first group of inclined tubes 36; a second partition plate 39 is fixedly arranged at the top of the second group of inclined pipes 37; the inclined tubes of the first group of inclined tubes 36 and the second group of inclined tubes 37 are inclined in opposite directions; a plurality of through holes 40 are uniformly formed in the first partition plate 38 and the second partition plate 39; the three sampling tubes 11 are arranged among the first partition plate 38, the first group of inclined tubes 36, the second group of inclined tubes 37 and the second partition plate 39 at intervals; the top pipeline of the siphon 27 is inclined downwards; the inclination angle is 30 degrees; the inlet end of the main water distribution pipe 24 is higher than the second partition plate 39; the lower end of the siphon break pipe 26 is lower than the inlet end of the siphon pipe 27; the inlet end of the drain pipe 14 is lower than the inlet end of the siphon pipe 27; the surface of the filler supplied by the filler pump 18 is covered with a silica film.
When in use, the step one is combined with the steps shown in figures 1-4The reaction principle is as follows: h2O2 + Fe2+→.OH + Fe(OH)2+→ .... →FeOOH ,H2O2 + FeOOH→；Fe2+As catalysts and using H2O2Can generate strong oxidant-OH to oxidize organic substances into CO2And water, ferric iron (Fe) produced by the reaction3+) Most of the crystal grows on the filler to form TY-FeOOH heterogeneous crystal which is an excellent catalyst at the same time and can continue to be H2O2Preparing a catalyst; adding filler into the filler bin 21; starting the sewage pump 17; the sewage pump 17 pumps the sewage into the second pipeline 20 through the tee joint 16; enters the bottom of the oxidation tower 1 through a second pipeline 20 and a sewage pipe 7 by a sewage pump 17; the flow meter 19 detects the inflow rate of the sewage pump 17 at a moment, so that the filler pump 18 is controlled to discharge the filler pump 18, and the filler and the sewage are mixed together in the tee joint 16 and reach the bottom of the oxidation tower 1; the bottom filling can be realized by arranging the filling pump 18, so that the problems of complexity and labor waste of the top seasoning are solved; simultaneously, the two supply pumps 22 start to work, hydrogen peroxide and iron ion medicament pass through the pump medicament tube 23 and then enter the upper part of the bottom of the oxidation tower 1 through the H2O2 water inlet 8 and the Fe2+ water inlet 9 respectively; the siphon device 3 intermittently absorbs the top treatment sewage, supplies the top treatment sewage to the water distributor 2 through the water distributor 2 in an intermittent pulse mode, generates upward water flow when the water distributor 2 supplies water, and under the action of the upward water flow, the sewage, the filler and the medicament are uniformly mixed, the intermittent pulse type water flow enables the mixing to be more uniform, a water pump configured in the water distributor 2 is omitted in the process, so that the energy is saved, the environment is protected, and the mixing is more sufficient; the water distribution and distribution rod 32 is uniformly provided with a plurality of threaded holes 33 in the length direction, and the threaded holes 33 are sequentially enlarged, so that the impact force of water flow sprayed by different water distribution heads 31 is the same and stable; the top of the water distribution head 31 is provided with a spiral plate 34, the diameters of the spiral plates 34 are sequentially reduced in the height direction, and when the water distribution head 31 is seen from top to bottom, the water distribution head 31 is completely covered by the spiral plates 34 without gaps; the sludge can slide down along the spiral plate 34 when settling, and a spiral clapboard 35 is arranged inside the spiral plate 34; the height of the spiral partition 35 is smaller than the pitch of the spiral plate 34, so that the sludge can be prevented from entering in the process of sliding down along the spiral plate 34Inside the water distribution head 31; the problem of blockage of the water distributor 2 is effectively solved; the filler continuously adsorbs granular sludge, the water flow continuously rises and sequentially passes through the first partition plate 38, the first group of inclined tubes 36, the second group of inclined tubes 37 and the second group of inclined tubes 37, and the inclined directions of the first group of inclined tubes 36 and the second group of inclined tubes 37 are opposite; when the reaction sewage enters the inclined tube process, the flow path of the sewage is increased, and the adsorption of the filler and the reaction time of the medicament and the sewage are prolonged, so that the precipitation is more sufficient and the reaction is more sufficient; the additive agent is wrapped by silicon dioxide, so that the additive amount of the agent is reduced.
Step two, as shown in fig. 1 and 5, the treated sewage continuously rises to the bottom end of the right side of the U-shaped pipe 28 and then overflows the bottom end of the siphon break pipe 26; when the water level reaches the top position of the siphon pipe 27, the water flows from the inside of the U-shaped pipe 28 to the inside of the siphon pipe 27, and finally the water in the siphon pipe 27 reaches the drain pipe 14, at the moment, the siphon device 3 is in a sealed state, and the pipeline at the top of the siphon pipe 27 inclines downwards; the inclination angle is 30 degrees; therefore, under the action of the gravity of the water in the siphon pipe 27, the water continues to flow downwards along the siphon pipe 27, the gas in the U-shaped pipe 28 is continuously sucked out through the siphon auxiliary pipe 25 in the process of the water flowing in the siphon pipe 27, and the pressure in the U-shaped pipe 28 is lower than the atmospheric pressure; pressure difference is generated in the U-shaped pipe 28, water is sucked to the top of the U-shaped pipe 28, then the water flows down along the left end of the U-shaped pipe 28 and flows into the water distributor 2 along the main water distribution pipe 24 to supply water for the water distributor 2, and the process is a siphoning phenomenon; the water level in the oxidation tower 1 rapidly drops under the siphon action, when the water level reaches the bottom end of the siphon damage pipe 26, the water level continues to drop, air enters the U-shaped pipe 28 from the bottom end of the siphon damage pipe 26 due to the pressure problem, when the air enters the top of the U-shaped pipe 28, the water level at the right end of the U-shaped pipe 28 drops, the siphon phenomenon is damaged, the water distributor 2 stops supplying water, and one intermittent pulse is completed; the design of the first partition plate and the second partition plate can eliminate the problem that the water level generates large fluctuation under the action of pulse siphon, so that the pulse frequency is more stable; the flow control valve 29 can control the flow of the siphon 27, thereby controlling the pressure difference generated in the U-shaped pipe 28 during siphon action and finally realizing the control of the water flow impact force and frequency of pulse water distribution; the mixing reaction is more uniform and efficient; during the reaction process, the seasonings continuously adsorb the granular sludge, and when the whole body reaches a certain mass, the granular sludge is precipitated to the bottom of the oxidation tower 1 and finally discharged through a sludge port 5; the three sampling tubes 11 are arranged at intervals in the height direction, and can detect the treatment degree of sewage with different heights in the oxidation tower 1.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (4)
1. High-efficient stifled pulse type fenton oxidation tower of preventing, its characterized in that: comprises an oxidation tower (1), a water distributor (2), a siphon device (3) and a supply device (4); a sludge port (5) is arranged at the bottom of the oxidation tower (1); a water distribution and inlet pipe (6) is arranged above the sludge port (5) and on the left side of the oxidation tower (1); a sewage pipe (7) is arranged above the water distribution inlet pipe (6); an H2O2 water inlet (8) and an Fe2+ water inlet (9) are respectively arranged on two sides above the sewage pipe (7); two sewage outlets (10) are arranged above the right side of the Fe2+ water inlet (9); three sampling pipes (11) are uniformly arranged above the sewage draining outlet (10) in the height direction; sampling switches (12) are arranged at the outlets of the three sampling pipes (11); the inlets of the three sampling pipes (11) are positioned above the middle part of the oxidation tower (1); a safety ladder (13) is welded on the right side of the sampling tube (11) outside the oxidation tower (1); a drain pipe (14) is arranged above the sampling pipe (11); the water distributor (2) is arranged at the bottom end inside the oxidation tower (1); the water distributor (2) is higher than the sludge port (5) and lower than the sewage pipe (7); the inlet end of the water distributor (2) is connected with the outlet flange of the water distribution inlet pipe (6); the supply device (4) is arranged on one side of the oxidation tower (1); the feeding device (4) comprises a first pipeline (15), a tee joint (16), a sewage pump (17) and a filler pump (18); the outlet end of the sewage pump (17) is connected with the inlet end of the sewage pipe (7) through a first pipeline (15) in a flange manner; a flowmeter (19) is arranged in the middle of the first pipeline (15); the inlet end of the sewage pump (17) is connected with a second pipeline (20) through a flange; a filler bin (21) is arranged at the inlet end of the top of the filler pump (18); the outlet end of the filler pump (18) is connected with one end of a second pipeline (20) through a tee joint (16) in a flange mode; both sides of the sewage pump (17) are fixedly connected with a supply pump (22); the water outlet ends of the two supply pumps (22) are respectively connected with a pump medicine pipe (23) in a flange manner; one ends of the two pump medicine pipes (23) are respectively connected with a Fe2+ water inlet (9) and an H2O2 water inlet (8) through loose joints; the siphon device (3) comprises a main water distribution pipe (24), an auxiliary siphon pipe (25), a siphon damage pipe (26) and a siphon pipe (27); the bottom of the main water distribution pipe (24) is connected with a flange of the water distribution inlet pipe (6); the top of the water distribution main pipe (24) is provided with a U-shaped pipe (28); the top of the U-shaped pipe (28) is respectively communicated with one end of the siphon breaking pipe (26) and one end of the siphon auxiliary pipe (25) in a welding way; the other end of the siphon auxiliary pipe (25) is communicated with the middle part of the siphon pipe (27) in a welding way; the other end of the siphon break pipe (26) is vertically downward; the inlet end of the siphon (27) is welded and communicated with the middle part of the right side of the U-shaped pipe (28); the outlet end of the siphon (27) is welded and communicated with the middle part of the drain pipe (14); the bottom end of the siphon (27) is connected with a flow control valve (29) in a flange manner; the water distributor (2) comprises a water distribution main disc (30) and a water distribution head (31); the bottom of the water distribution main disc (30) is connected with an inlet flange of the water distribution inlet pipe (6); a plurality of water distribution rods (32) are uniformly arranged on the periphery of the water distribution main disc (30); the water distribution rod (32) is uniformly provided with a plurality of threaded holes (33) in the length direction; the threaded holes (33) are sequentially enlarged; the water distribution head (31) is in threaded connection with the threaded hole (33); the top of the water distribution head (31) is provided with a spiral plate (34); the diameters of the spiral plates (34) become smaller in the height direction; a spiral clapboard (35) is arranged inside the spiral plate (34); the height of the spiral partition plate (35) is smaller than the pitch of the spiral plate (34).
2. The high efficiency anti-clogging pulse type Fenton oxidation tower according to claim 1, characterized in that: a first group of inclined tubes (36) and a second group of inclined tubes (37) are sequentially and fixedly arranged above the middle inside the oxidation tower (1); a first partition plate (38) is fixedly arranged at the bottom of the first group of inclined tubes (36); a second partition plate (39) is fixedly arranged at the top of the second group of inclined pipes (37); the inclined pipes of the first group of inclined pipes (36) and the second group of inclined pipes (37) are inclined in opposite directions; a plurality of through holes (40) are uniformly formed in the first partition plate (38) and the second partition plate (39); the three sampling tubes (11) are arranged among the first partition plate (38), the first group of inclined tubes (36), the second group of inclined tubes (37) and the second partition plate (39) at intervals.
3. The high-efficiency anti-blocking pulse type Fenton oxidation tower according to claim 1 or 2, characterized in that: the pipeline at the top of the siphon (27) is inclined downwards; the inclination angle is 30 degrees; the inlet end of the main water distribution pipe (24) is higher than the second partition disc (39); the bottom end of the siphon breaking pipe (26) is lower than the inlet end of the siphon pipe (27); the inlet end of the drain pipe (14) is lower than the inlet end of the siphon pipe (27).
4. The high efficiency anti-clogging pulse type Fenton oxidation tower according to claim 1, characterized in that: the surface of the filler supplied by the filler pump (18) is wrapped by a layer of silica film.
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| CN109761336B true CN109761336B (en) | 2021-12-24 |
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