CN214781384U - High COD high salt medical intermediate effluent disposal system - Google Patents
High COD high salt medical intermediate effluent disposal system Download PDFInfo
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Abstract
The application relates to sewage treatment device technical field, especially relates to a high COD high salt medical intermediate effluent disposal system, and it includes pretreatment subsystem, biochemical treatment subsystem and advanced treatment subsystem, pretreatment subsystem, biochemical treatment subsystem and advanced treatment subsystem set gradually along waste water flow direction. The application can meet the production requirement of pharmacy and improve the treatment efficiency of waste water.
Description
Technical Field
The application relates to the technical field of sewage treatment equipment, in particular to a high-COD high-salt medical intermediate wastewater treatment system.
Background
In the production process of pharmacy, a lot of chemical pharmacy wastewater is generated in a workshop, the COD value in the chemical pharmacy wastewater is high, and once the wastewater is discharged into a water body, a large amount of dissolved oxygen in the water is consumed, so that the water body is anoxic; meanwhile, the salinity concentration in the wastewater is too high, and when the chloride ion exceeds 3000mg/L, the activity of the unacclimated microorganism is obviously inhibited, so that the wastewater treatment efficiency is seriously influenced, and even the phenomena of sludge bulking and microorganism death are caused. It is therefore necessary to treat these chemical pharmaceutical wastewater by a sewage treatment station to treat the COD, chloride ions, ammonia nitrogen and phosphorus contained in the wastewater.
In the related art, the amount of water treated by the sewage treatment station per day is about 80 tons, wherein the high concentration is 15-20 tons, and the low concentration is about 50-60 tons. The processing method usually adopted is as follows: ozone oxidation-biodegradation-secondary oxidation-precipitation-discharge or reuse.
However, in the above related art, the treatment method has low treatment efficiency, and it is difficult to achieve the desired treatment effect, and the production requirement of pharmacy cannot be met.
SUMMERY OF THE UTILITY MODEL
In order to satisfy the production demand of pharmacy, improve the treatment effeciency of waste water, this application provides a high COD high salt medical intermediate effluent disposal system.
The application provides a high COD high salt medical intermediate effluent disposal system adopts following technical scheme:
a high COD high salt medical intermediate wastewater treatment system comprises a pretreatment subsystem, a biochemical treatment subsystem and a deep treatment subsystem, wherein the pretreatment subsystem, the biochemical treatment subsystem and the deep treatment subsystem are sequentially arranged along the wastewater flowing direction;
the pretreatment subsystem is communicated with a high-concentration wastewater outlet pipe;
a first connecting subsystem is arranged between the pretreatment subsystem and the biochemical treatment subsystem and is communicated with a low-concentration wastewater outlet pipe;
a second connecting subsystem is arranged between the biochemical treatment subsystem and the advanced treatment subsystem;
the biochemical subsystem comprises an anaerobic reaction device, an aerobic tank, an A/O tank, a high-load biological tank, a low-load biological tank and a secondary sedimentation tank.
By adopting the technical scheme, the anaerobic reaction device is arranged and used for improving the anaerobic treatment effect of the wastewater; the aerobic tank is arranged for enlarging the scale of system wastewater treatment so as to meet the production requirement of pharmacy; the wastewater in the pretreatment subsystem is sent to the biochemical treatment subsystem through the first connection subsystem, enters the aerobic tank, the A/O tank, the high-load biological tank and the low-load biological tank in turn after anaerobic decomposition in the anaerobic reaction device, automatically flows to the secondary sedimentation tank for sludge-water separation after removing residual pollution factors in the wastewater through adsorption and decomposition of activated sludge in the biological tank, and the separated supernatant flows into the advanced treatment subsystem for advanced treatment through the second connection subsystem, and is discharged after the detection reaches the standard.
Preferably, anaerobic reaction device includes a tank body, the jar body has set gradually inlet tube, water distribution mechanism, one-level separator, tedge, downcomer, second grade separator, outlet pipe and vapour and liquid separator from bottom to top, be the fluidized bed reacting chamber between water distribution mechanism and the one-level separator, be the deep purification reacting chamber between one-level separator and the second grade separator, water distribution mechanism is including rotating the pivot of connecting in jar body bottom, set firmly in the epaxial water distribution dish of commentaries on classics and be used for driving pivot pivoted drive assembly, the inside of pivot and water distribution dish all sets up and communicates each other for the cavity, rotate between inlet tube and the pivot and be connected and communicate each other.
By adopting the technical scheme, the wastewater entering the tank body is effectively mixed with the circulating water returned from the upper part of the tank body and the sludge at the bottom of the tank body, so that the inlet water is fully diluted and homogenized, and the impact resistance of the tank body can be greatly improved; the wastewater and the granular sludge rapidly enter a fluidized bed reaction chamber and are in strong contact with each other under the pushing of the inlet water and the circulating water, so that the degradation speed is increased; in the fluidized bed reaction chamber and the deep purification reaction chamber, biogas generated by anaerobic reaction is collected by a primary separator and then enters an ascending pipe, the biogas is separated by a gas-liquid separator at the top of the tank body, the biogas is led out for utilization, and the residual mud-water mixture flows into the bottom of the tank body through a descending pipe so as to form circular flow; the water distribution plate is rotatably arranged, so that the water distribution plate is always in a dynamic moving process, and the blocking of the water distribution plate is reduced.
Preferably, the pretreatment subsystem comprises an evaporation pretreatment device, an iron-carbon micro-electrolysis reaction device and a primary sedimentation tank, wherein the evaporation pretreatment device, the iron-carbon micro-electrolysis reaction device and the primary sedimentation tank are sequentially arranged along the flowing direction of the wastewater.
By adopting the technical scheme, the high-concentration wastewater enters the iron-carbon micro-electrolysis reaction device after being subjected to evaporation pretreatment in the evaporation pretreatment device, and the special micro-electrolysis material in the iron-carbon micro-electrolysis reaction device can generate 1.2V potential difference in the wastewater to carry out electrolysis reaction on pollution factors in the water so as to achieve the purpose of degrading organic pollutants; after the reaction is completed, the wastewater is precipitated in a primary sedimentation tank, suspended matters in the wastewater are removed, and then the wastewater and low-concentration water enter a first connection subsystem together.
Preferably, the advanced treatment subsystem comprises a multidimensional composite reaction device and an efficient sedimentation tank, and the multidimensional composite reaction device and the efficient sedimentation tank are sequentially arranged along the flowing direction of the wastewater.
By adopting the technical scheme, the effluent of the secondary sedimentation tank enters the multi-dimensional composite reaction device through the second connection subsystem, the catalytic packing layer is arranged in the multi-dimensional composite reaction device, the residual CODcr, chromaticity and bacteria in the wastewater are oxidized by utilizing the strong oxidizing property of H2O2 and the catalytic action of ferrous sulfate in the multi-dimensional composite reaction device, most of total phosphorus is removed, the effluent automatically flows into the high-efficiency sedimentation tank, the organic pollutants in the wastewater are continuously degraded by utilizing the unreacted oxidant, the PH regulator and the coagulant aid are added, the coagulation sedimentation is carried out after the reaction is completed, and the supernatant reaches the standard and is discharged after the online detection.
Preferably, the system also comprises an aeration subsystem, wherein the aeration subsystem comprises an air source fan and an air pipe, and the air source fan is communicated with the aerobic tank, the A/O tank, the high-load biological tank, the low-load biological tank, the second connecting subsystem, the multidimensional composite reaction device and the efficient sedimentation tank through the air pipe.
Through adopting above-mentioned technical scheme, set up aeration subsystem and do benefit to the abundant of reaction and go on, improve the treatment effect of waste water.
Preferably, the system also comprises a sludge treatment subsystem, wherein the sludge treatment subsystem comprises a sludge storage tank, a filter press, a dryer and a plurality of sludge pumps, and the sludge storage tank is communicated with the primary sedimentation tank, the high-load biological tank, the secondary sedimentation tank and the high-efficiency sedimentation tank.
Through adopting above-mentioned technical scheme, just sink the mud in pond, high load biological pond, two heavy ponds and the high-efficient sedimentation tank and lead to the mud reservoir through the sludge pump and store, and mud in the mud reservoir is filtered through the pressure filter compression again, is dried after being pressed into the pie with mud to subsequent outward transport of being convenient for.
Preferably, still include and add the medicine subsystem, it includes ferrous charge device, hydrogen peroxide solution charge device, liquid alkali charge device and PAM charge device to add the medicine subsystem, ferrous charge device and hydrogen peroxide solution charge device all are linked together with multidimension composite reaction device, liquid alkali charge device and PAM charge device all are linked together with high-efficient sedimentation tank.
By adopting the technical scheme, the H2O2 and the ferrous sulfate are added into the multi-dimensional composite reaction device, the residual CODcr, chromaticity and bacteria in the wastewater are oxidized by utilizing the strong oxidizing property of the H2O2 and the catalytic action of the ferrous sulfate, most of total phosphorus is removed, liquid alkali is added into the high-efficiency sedimentation tank to adjust the PH, and the PAM coagulant aid is added for coagulation sedimentation after complete reaction.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the whole load of the system is reduced, the treatment scale of the wastewater is enlarged, and the treatment effect of the wastewater is improved so as to meet the production requirement of pharmacy;
2. the water distribution disc is rotationally arranged, so that the water distribution disc is always in a dynamic moving process, and the blocking of the water distribution disc is reduced;
3. the anaerobic reaction device is arranged for improving the anaerobic treatment effect of the wastewater, the wastewater entering the tank body is effectively mixed with the circulating water returned from the upper part of the tank body and the sludge at the bottom of the tank body, the inlet water is fully diluted and homogenized, and the impact resistance of the tank body can be greatly improved; the wastewater and the granular sludge rapidly enter the fluidized bed reaction chamber and are strongly contacted under the common promotion of water inlet and circulating water, so that the degradation speed is improved.
Drawings
FIG. 1 is a schematic overall flow diagram of an embodiment of the present application;
FIG. 2 is a schematic view showing the structure of an anaerobic reaction apparatus in the example of the present application.
Description of reference numerals: 1. a pre-processing subsystem; 2. a biochemical treatment subsystem; 3. a deep processing subsystem; 4. a first connection subsystem; 5. a second connection subsystem; 6. a tank body; 7. a water inlet pipe; 8. a water distribution mechanism; 9. a first stage separator; 10. a riser pipe; 11. a down pipe; 12. a secondary separator; 13. a water outlet pipe; 14. a gas-liquid separator; 15. a fluidized bed reaction chamber; 16. deeply purifying the reaction chamber; 17. a rotating shaft; 18. a water distribution plate; 19. a drive assembly; 20. an aeration subsystem; 21. a sludge treatment subsystem; 22. a dosing subsystem.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses high COD high salt medical intermediate effluent disposal system.
As shown in fig. 1 and 2, the wastewater treatment system comprises a pretreatment subsystem 1, a biochemical treatment subsystem 2 and a depth treatment subsystem 3, wherein a first connection subsystem 4 is arranged between the pretreatment subsystem 1 and the biochemical treatment subsystem 2, a second connection subsystem 5 is arranged between the biochemical treatment subsystem 2 and the depth treatment subsystem 3, and the pretreatment subsystem 1, the first connection subsystem 4, the biochemical treatment subsystem 2, the second connection subsystem 5 and the depth treatment subsystem 3 are sequentially arranged along the flow direction of wastewater.
The pretreatment subsystem 1 comprises an evaporation pretreatment device, an iron-carbon micro-electrolysis reaction device and a primary sedimentation tank, wherein the evaporation pretreatment device, the iron-carbon micro-electrolysis reaction device and the primary sedimentation tank are sequentially arranged along the flowing direction of the wastewater.
As shown in fig. 1 and 2, the evaporation pretreatment apparatus is connected to an outlet pipe of the high concentration wastewater, i.e., the high concentration wastewater first enters the evaporation pretreatment apparatus for evaporation pretreatment, and particularly, the evaporation pretreatment apparatus is preferably a plant or other heatable apparatus. Based on the principle of evaporative concentration crystallization, COD and salt content in the wastewater are reduced by heating and evaporating high-concentration wastewater. Separating salt from the concentrated solution, recovering by a salt collector, drying and recovering or incinerating the concentrated solution, and continuously treating the evaporated condensed water.
The high-concentration wastewater subjected to evaporation pretreatment enters an iron-carbon micro-electrolysis reaction device for treatment, the iron-carbon micro-electrolysis reaction device is preferably an iron-carbon micro-electrolysis reactor and other equipment, and a special micro-electrolysis material in the iron-carbon micro-electrolysis reactor can generate a 1.2V potential difference in the high-concentration wastewater, so that an electrolysis reaction is performed on pollution factors in the high-concentration wastewater, and organic pollutants are degraded.
As shown in fig. 1 and fig. 2, the high-concentration wastewater after the electrolysis reaction is completely sent into a primary sedimentation tank for sedimentation so as to remove suspended matters in the water. And a lifting pump is arranged in the primary sedimentation tank and used for pumping supernatant. And a sludge discharge pump and a sludge scraper are also arranged in the primary sedimentation tank and are used for treating sludge deposited at the bottom of the primary sedimentation tank.
The high-concentration wastewater after the sedimentation in the primary sedimentation tank enters the first connection subsystem 4, and the first connection subsystem 4 is communicated with the outlet pipe of the low-concentration wastewater, preferably, the first connection subsystem 4 is a comprehensive water regulation tank for collecting the pretreated high-concentration water, and simultaneously mixing with the low-concentration water for homogenizing and equalizing.
As shown in fig. 1 and 2, the biochemical subsystem includes an anaerobic reaction device, an aerobic tank, an a/O tank, a high-load biological tank, a low-load biological tank and a secondary sedimentation tank, and the anaerobic reaction device, the aerobic tank, the a/O tank, the high-load biological tank, the low-load biological tank and the secondary sedimentation tank are sequentially arranged along the flow direction of wastewater, and the anaerobic reaction device is communicated with the first connection subsystem 4. The wastewater is sent to an anaerobic reaction device through a lifting pump to carry out anaerobic decomposition on organic pollutants, the effluent of the anaerobic reaction device sequentially enters an aerobic tank, an A/O tank, a high-load biological tank and a low-load biological tank, residual pollution factors in the wastewater are removed through adsorption and decomposition of activated sludge in the biochemical tank, then the wastewater automatically flows into a secondary sedimentation tank to carry out mud-water separation, and the supernatant continuously flows into a second connecting subsystem 5.
The second connection sub-system 5 is preferably an intermediate basin for transitional action, in preparation for further treatment of the waste water.
As shown in fig. 1 and 2, the anaerobic reaction device includes a tank 6, the tank 6 is provided with a water inlet pipe 7, a water distribution mechanism 8, a first-stage separator 9, an ascending pipe 10, a descending pipe 11, a second-stage separator 12, a water outlet pipe 13 and a gas-liquid separator 14 from bottom to top in sequence, a fluidized bed reaction chamber 15 is arranged between the water distribution mechanism 8 and the first-stage separator 9, and a deep purification reaction chamber 16 is arranged between the first-stage separator 9 and the second-stage separator 12. The waste water entering the tank body 6 is effectively mixed with the circulating water returned from the upper part of the tank body 6 and the sludge at the bottom of the tank body 6, so that the inlet water is fully diluted and homogenized, and the impact resistance of the tank body 6 can be greatly improved. The wastewater and the granular sludge rapidly enter the fluidized bed reaction chamber 15 and are strongly contacted under the push of the inlet water and the circulating water, so that the degradation speed is improved. In the fluidized bed reaction chamber 15 and the deep purification reaction chamber 16, biogas generated by anaerobic reaction is collected by the primary separator 9 and then enters the ascending pipe 10, and is separated by the gas-liquid separator 14 at the top of the tank body 6, the biogas is led out for utilization, and the residual mud-water mixture flows into the bottom of the tank body 6 through the descending pipe 11, so that circular flow is formed.
Further, the water distribution mechanism 8 comprises a rotating shaft 17 rotatably connected to the bottom of the tank 6, a water distribution plate 18 fixedly arranged on the rotating shaft 17, and a driving component 19 for driving the rotating shaft 17 to rotate. The rotating shaft 17 and the water distribution disk 18 are both hollow, and the rotating shaft 17 is fixedly arranged on the water distribution disk 18 and is communicated with the water distribution disk 18. The water inlet pipe 7 is rotatably connected with the rotating shaft 17 and communicated with each other. The driving component 19 drives the rotating shaft 17 to rotate, and the rotating shaft 17 drives the water distribution disc 18 to rotate, so that the water distribution disc 18 is always in a dynamic moving process, and the blocking of the water distribution disc 18 is reduced.
As shown in fig. 1 and 2, in detail, the driving assembly 19 includes a motor and a driving tooth fixed at an output end of the motor, a driven tooth is fixed on the rotating shaft 17, and the driving tooth and the driven tooth are engaged with each other to realize the rotation of the water distribution tray 18.
The advanced treatment subsystem 3 comprises a multidimensional composite reaction device and a high-efficiency sedimentation tank, and the multidimensional composite reaction device and the high-efficiency sedimentation tank are sequentially arranged along the flowing direction of the wastewater.
As shown in fig. 1 and 2, the high COD high salt medical intermediate wastewater treatment system further includes a dosing subsystem 22, and the dosing subsystem 22 includes a ferrous iron dosing device, a hydrogen peroxide dosing device, a liquid caustic soda dosing device, and a PAM dosing device. The ferrous iron dosing device and the hydrogen peroxide dosing device are both communicated with the multidimensional composite reaction device so as to add H2O2 and ferrous sulfate into the multidimensional composite reaction device; the liquid caustic soda dosing device and the PAM dosing device are communicated with the high-efficiency sedimentation tank so as to add liquid caustic soda and PAM coagulant aid into the high-efficiency sedimentation tank.
The effluent of the secondary sedimentation tank enters a multi-dimensional composite reaction device through a second connecting subsystem 5, residual CODcr, chromaticity and bacteria in the wastewater are oxidized by utilizing the strong oxidizing property of H2O2 and the catalytic action of ferrous sulfate in the multi-dimensional composite reaction device, and most of total phosphorus is removed.
As shown in the figure 1 and the figure 2, the wastewater after yielding water automatically flows into a high-efficiency sedimentation tank, the organic pollutants in the wastewater are continuously degraded by using the incompletely reacted oxidant, and the wastewater after completely reacting is subjected to coagulating sedimentation through a pH regulator and a coagulant aid. And finally, discharging the supernatant after the precipitation reaches the standard after online detection.
The high COD high-salt medical intermediate wastewater treatment system further comprises an aeration subsystem 20, wherein the aeration subsystem 20 comprises an air source fan and an air pipe, and the air source fan is communicated with the aerobic tank, the A/O tank, the high-load biological tank, the low-load biological tank, the second connecting subsystem 5, the multidimensional composite reaction device and the high-efficiency sedimentation tank through the air pipe, so that the full reaction is facilitated, and the wastewater treatment effect is improved.
As shown in fig. 1 and 2, the high COD high salt medical intermediate wastewater treatment system further comprises a sludge treatment subsystem 21, the sludge treatment subsystem 21 comprises a sludge storage tank, a filter press, a dryer and a plurality of sludge pumps, the sludge storage tank is communicated with a primary sedimentation tank, a high-load biological tank, a secondary sedimentation tank and a high-efficiency sedimentation tank, so that the primary sedimentation tank, the high-load biological tank, the sludge in the secondary sedimentation tank and the high-efficiency sedimentation tank is guided to the sludge storage tank through the sludge pumps for storage, the sludge in the sludge storage tank is compressed and filtered through the filter press, and the sludge is pressed into cakes and then dried, thereby being convenient for subsequent outward transportation.
The implementation principle is as follows:
the high-concentration wastewater enters an evaporation pretreatment device for evaporation pretreatment;
then the wastewater enters an iron-carbon micro-electrolysis reaction device for electrolysis reaction to degrade organic pollutants;
then the wastewater enters a primary sedimentation tank for sedimentation to remove suspended matters;
then enters the first connecting subsystem 4 to be mixed with the low-concentration wastewater for homogenizing and equalizing;
the mixed wastewater enters an anaerobic reaction device for anaerobic decomposition and methane is generated;
the wastewater after anaerobic treatment enters an aerobic tank, an A/O tank, a high-load biological tank and a low-load biological tank to be adsorbed and decomposed by activated sludge so as to remove residual pollution factors;
then the sludge and water are separated in a secondary sedimentation tank;
the separated wastewater supernatant flows to a second connection subsystem 5 for transition;
then the mixture enters a multi-dimensional composite reaction device to remove residual CODcr, chroma, bacteria and most of total phosphorus;
then the wastewater enters a high-efficiency sedimentation tank, the organic pollutants in the wastewater are continuously degraded by using the oxidant which is not completely reacted, and a PH regulator and a coagulant aid are added for coagulation sedimentation after complete reaction;
and finally, discharging the supernatant which meets the standard through an online monitoring discharge port.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a high COD high salt medical intermediate effluent disposal system which characterized in that: the system comprises a pretreatment subsystem (1), a biochemical treatment subsystem (2) and a deep treatment subsystem (3), wherein the pretreatment subsystem (1), the biochemical treatment subsystem (2) and the deep treatment subsystem (3) are sequentially arranged along the flow direction of wastewater;
the pretreatment subsystem (1) is communicated with a high-concentration wastewater outlet pipe;
a first connecting subsystem (4) is arranged between the pretreatment subsystem (1) and the biochemical treatment subsystem (2), and the first connecting subsystem (4) is communicated with a low-concentration wastewater outlet pipe;
a second connecting subsystem (5) is arranged between the biochemical treatment subsystem (2) and the advanced treatment subsystem (3);
the biochemical treatment subsystem comprises an anaerobic reaction device, an aerobic tank, an A/O tank, a high-load biological tank, a low-load biological tank and a secondary sedimentation tank.
2. The high COD high salt medical intermediate wastewater treatment system of claim 1, which is characterized in that: the anaerobic reaction device comprises a tank body (6), wherein the tank body (6) is sequentially provided with a water inlet pipe (7), a water distribution mechanism (8), a primary separator (9), an ascending pipe (10), a descending pipe (11), a secondary separator (12), a water outlet pipe (13) and a gas-liquid separator (14) from bottom to top, a fluidized bed reaction chamber (15) is arranged between the water distribution mechanism (8) and the first-stage separator (9), a deep purification reaction chamber (16) is arranged between the first-stage separator (9) and the second-stage separator (12), the water distribution mechanism (8) comprises a rotating shaft (17) rotationally connected with the bottom of the tank body (6), a water distribution disc (18) fixedly arranged on the rotating shaft (17) and a driving component (19) used for driving the rotating shaft (17) to rotate, the rotating shaft (17) and the water distribution disc (18) are both arranged in a hollow way and communicated with each other, the water inlet pipe (7) is rotatably connected with the rotating shaft (17) and communicated with the rotating shaft.
3. The high COD high salt medical intermediate wastewater treatment system of claim 2, which is characterized in that: the pretreatment subsystem (1) comprises an evaporation pretreatment device, an iron-carbon micro-electrolysis reaction device and a primary sedimentation tank, wherein the evaporation pretreatment device, the iron-carbon micro-electrolysis reaction device and the primary sedimentation tank are sequentially arranged along the flowing direction of the wastewater.
4. The high COD high salt medical intermediate wastewater treatment system of claim 3, which is characterized in that: the advanced treatment subsystem (3) comprises a multidimensional composite reaction device and an efficient sedimentation tank, wherein the multidimensional composite reaction device and the efficient sedimentation tank are sequentially arranged along the flowing direction of the wastewater.
5. The high COD high salt medical intermediate wastewater treatment system of claim 4, which is characterized in that: the system also comprises an aeration subsystem (20), wherein the aeration subsystem (20) comprises an air source fan and an air pipe, and the air source fan is communicated with the aerobic tank, the A/O tank, the high-load biological tank, the low-load biological tank, the second connecting subsystem (5), the multi-dimensional composite reaction device and the high-efficiency sedimentation tank through the air pipe.
6. The high COD high salt medical intermediate wastewater treatment system of claim 5, which is characterized in that: the system is characterized by further comprising a sludge treatment subsystem (21), wherein the sludge treatment subsystem (21) comprises a sludge storage tank, a filter press, a dryer and a plurality of sludge pumps, and the sludge storage tank is communicated with the primary sedimentation tank, the high-load biological tank, the secondary sedimentation tank and the high-efficiency sedimentation tank.
7. The high COD high salt medical intermediate wastewater treatment system of claim 6, which is characterized in that: still include and add medicine subsystem (22), add medicine subsystem (22) and include ferrous charge device, hydrogen peroxide solution charge device, liquid alkali charge device and PAM charge device, ferrous charge device and hydrogen peroxide solution charge device all are linked together with multidimension composite reaction device, liquid alkali charge device and PAM charge device all are linked together with high-efficient sedimentation tank.
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