CN210237393U - Sinomenine hydrochloride production sewage treatment system - Google Patents
Sinomenine hydrochloride production sewage treatment system Download PDFInfo
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- CN210237393U CN210237393U CN201920856230.6U CN201920856230U CN210237393U CN 210237393 U CN210237393 U CN 210237393U CN 201920856230 U CN201920856230 U CN 201920856230U CN 210237393 U CN210237393 U CN 210237393U
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Abstract
The utility model provides a sinomenine hydrochloride production sewage treatment system, this system has carried out catalytic reduction special treatment to chloroform sewage through catalytic reduction unit, make its high-content chloroform can decompose, then chloroform sewage after handling catalytic reduction, ethanol and other production sewage pass through little electrolysis unit, pH callback unit, coagulating sedimentation unit, hydrolysis acidification unit, biochemical treatment unit, make sinomenine hydrochloride production sewage only can reach emission standard through primary treatment, the daily treatment capacity can reach 150 tons, wherein chloroform sewage 75t/d, ethanol and other production sewage 75t/d, the improvement sewage treatment efficiency that is showing, thereby be favorable to sinomenine hydrochloride production.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of sewage treatment, concretely relates to sinomenine hydrochloride production sewage treatment system.
[ background of the invention ]
Sinomenine hydrochloride has pharmacological actions of resisting inflammation, easing pain, reducing blood pressure, resisting arrhythmia and the like, and various preparations are applied to clinic at present and used for treating rheumatic arthritis, rheumatoid arthritis and the like. The prior preparation method of sinomenine hydrochloride mainly comprises an alkalization water extraction method and hydrochloric acid percolation and chloroform extraction methods provided by a patent CN201110361882.0, and the concrete preparation and production processes of sinomenine hydrochloride provided by a patent CN201110361882.0 comprise: wetting with hydrochloric acid, dipping with hydrochloric acid, percolating with hydrochloric acid, alkalifying, filtering, extracting with chloroform, washing with water, dehydrating, concentrating, crystallizing, drying, decarbonizing (refluxing with ethanol), crystallizing, centrifuging and drying, wherein a certain amount of sewage is generated in each stage of sinomenine production, especially in the percolating, extracting and decarbonizing stages. According to the regulation of the three-level standard GB8978-1996 of Integrated wastewater discharge Standard, the requirements of wastewater discharge quality are shown in Table 1:
TABLE 1 quality of wastewater discharge (unit: mg/L, excluding pH)
Item | pH | CODcr | BOD5 | SS | Ammonia nitrogen | Containing chloroform |
Standard limit value | 6-9 | ≤400 | ≤150 | ≤250 | ≤30 | ≤1.0 |
The method for treating pharmaceutical sewage in the prior art mainly comprises the following steps: removing large-particle suspended matters in the sewage by using a grating well, improving biodegradability by electrolysis, and removing COD (chemical oxygen demand) and BOD (biochemical oxygen demand) in the sewage by biochemical treatment to reach the discharge standard; for example, the system and the method for treating the traditional Chinese medicine sewage disclosed in the patent CN201310474536.2, and the domestic sewage treatment device disclosed in the patent CN 201610611940.3; or the combined treatment method of the chemical pharmaceutical sewage disclosed in patent CN201110247905.5 is added with an ABR acidification tank to hydrolyze and acidify the refractory substances in the sewage, thereby improving the treatment efficiency. However, the prior art for sewage treatment including the above patent cannot achieve good effect when applied to the sewage treatment process in sinomenine hydrochloride production, the sewage needs to be repeatedly treated for two times or more, the treatment efficiency is low, and the daily treatment capacity is about 30 t.
[ Utility model ] content
The utility model aims at providing a sinomenine hydrochloride production sewage treatment system for solving the not enough of prior art, but daily handling sinomenine hydrochloride production sewage 150 tons, apparent improvement sewage treatment efficiency.
The utility model aims at solving through the following technical scheme:
a sinomenine hydrochloride production sewage treatment system includes:
large-particle suspended matter removing unit: used for removing large-particle suspended matters in chloroform sewage, ethanol and other production sewage;
a water quality and quantity adjusting unit: the device is used for adjusting the water quality and the water quantity of the chloroform sewage, the ethanol and other production sewage after the large-particle suspended matters are removed;
a catalytic reduction unit: the device is used for decomposing chloroform in the chloroform sewage after the water quality and water quantity are adjusted;
a micro-electrolysis reaction unit: the device is used for micro-electrolysis of chloroform sewage after catalytic reduction, ethanol and other production sewage after water quality and water quantity adjustment so as to improve the biodegradability of the chloroform sewage and the ethanol and other production sewage;
a pH callback unit: used for adjusting back the pH of the sewage after the micro-electrolysis reaction;
a coagulating sedimentation unit: the system is used for carrying out coagulating sedimentation on the sewage after the pH is adjusted back;
a hydrolysis acidification unit: the method is used for hydrolyzing and acidifying substances which are difficult to biodegrade in the sewage after coagulating sedimentation;
a biochemical treatment unit: the device is used for carrying out biochemical reaction treatment on the sewage after hydrolytic acidification so as to remove COD and BOD and ensure that the water quality reaches the discharge standard;
a sewage conveying unit: and the sewage conveying device is connected with the units and is used for conveying sewage to circulate among the units.
Preferably, the large particle suspended matter removing unit is a grating well with a rotating brush grating.
Preferably, the water quality and quantity adjusting unit is an adjusting tank, the pH adjusting unit is a pH adjusting tank, the coagulating sedimentation unit is a coagulating sedimentation tank, and the hydrolysis acidification unit is a hydrolysis acidification tank with PP or polyamide three-dimensional elastic filler.
Preferably, the catalytic reduction unit is a catalytic reduction reactor with fillers of iron shavings and coal granular activated carbon and a dosing device for adding hydrogen peroxide.
Preferably, the micro-electrolysis reaction unit is a micro-electrolysis reactor adopting iron-carbon filler.
Preferably, the biochemical treatment unit comprises a UASB reactor and a two-stage A-O reactor.
Preferably, the two-stage a-O reactor comprises an a1 cell, an O1 cell, a mesosink cell, an a2 cell, an O2 cell, and a secondary sink cell.
Preferably, the system further comprises a sludge precipitation unit and a dehydration unit, wherein the sludge precipitation unit is used for precipitating the sludge generated by the coagulation precipitation unit and/or the biochemical treatment unit, and the dehydration unit is used for dehydrating the sludge precipitated by the sludge precipitation unit.
Preferably, the dewatering unit is a stacked screw dewatering machine.
The utility model discloses a catalytic reduction unit has carried out catalytic reduction special treatment to chloroform sewage, make its high-content chloroform can decompose, then chloroform sewage after handling catalytic reduction, ethanol and other production sewage pass through little electrolysis unit, pH callback unit, coagulating sedimentation unit, hydrolysis acidification unit, biochemical treatment unit, make sinomenine hydrochloride production sewage only can reach emission standard through a treatment, the daily treatment capacity can reach 150 tons, wherein chloroform sewage 75t/d, ethanol and other production sewage 75t/d, the improvement that is showing sewage treatment efficiency, thereby be favorable to sinomenine hydrochloride production.
[ description of the drawings ]
FIG. 1 is a schematic view of a sinomenine hydrochloride production sewage treatment system.
[ detailed description ] embodiments
The present invention will be further described with reference to the accompanying drawings and embodiments.
In the production process of sinomenine hydrochloride, the chloroform content of sewage generated in the extraction stage is very high and can reach 1000mg/L, the COD and BOD content is also several times of that of sewage generated in other stages, and if the chloroform cannot be completely decomposed when the sinomenine hydrochloride is treated together with other production sewage, the sewage treatment needs to be repeated for many times. The water quality of chloroform wastewater, ethanol and other production wastewater (ethanol wastewater mainly from the decarbonization stage) generated in the sinomenine hydrochloride production process is shown in table 2:
TABLE 2 quality of Sinomenine hydrochloride production wastewater (unit: mg/L, except pH)
Name of contaminant | pH | CODcr | BOD5 | SS | Ammonia nitrogen | Containing chloroform |
Chloroform sewage | 7.6 | 30000 | 10000 | 38 | 50 | 1000 |
Ethanol wastewater | 4.2 | 2000 | 900 | 560 | 15 | 0 |
Producing other sewage | 7.0 | 400 | 200 | 220 | 15 | 0 |
Therefore, the utility model discloses divide into chloroform sewage, ethanol and other production sewage with the sewage that produces in the sinomenine hydrochloride production each stage to separately handle in the earlier stage, in order to improve sewage treatment efficiency, the utility model provides a sinomenine hydrochloride production sewage treatment system is shown as figure 1, include:
large-particle suspended matter removing unit: used for removing large-particle suspended matters in chloroform sewage, ethanol and other production sewage; the unit can adopt two grid wells, and the two grid wells are preferably used for treating chloroform sewage, ethanol and other production sewage respectively; the grating well can be provided with a rotating brush grating, so that large-particle solid suspended matters can be removed more conveniently;
a water quality and quantity adjusting unit: the device is used for adjusting the water quality and the water quantity of the chloroform sewage, the ethanol and other production sewage after the large-particle suspended matters are removed; the unit can adopt regulating tanks, and can be arranged into two groups of regulating tanks which are respectively used for treating chloroform sewage, ethanol and other production sewage;
a catalytic reduction unit: the device is used for decomposing chloroform in the chloroform sewage after the water quality and water quantity are adjusted; the unit can adopt a catalytic reduction reactor which takes the filler of the iron shavings and the coal granular activated carbon and is provided with a dosing device for adding hydrogen peroxide; the mass ratio of the iron shavings to the coal granular activated carbon in the filler is preferably 3: 1; the dosage of the hydrogen peroxide is determined according to the content of the chloroform in the chloroform wastewater, and is generally 1.2-1.5L/m3(ii) a The chloroform sewage is strongly oxidized and reduced under the catalysis of iron and carbon and the catalysis of hydrogen peroxide in the catalytic reduction reaction unit so as to decompose chloroform, effectively reduce the chloroform in the sewage, slightly reduce the pH value, greatly improve the biodegradability of the sewage and achieve the aim of reducing CODCrThe object of (a); the principle of reducing chloroform in sewage is as follows:
chloroform is insoluble in water and soluble in alcohol, ether and benzene; the chloroform can be oxidized into hydrogen chloride and phosgene by oxygen in the air, the reaction is accelerated by utilizing hydrogen peroxide in an iron-carbon catalyst, and the chloroform and the hydrogen peroxide directly react to generate the phosgene, wherein the reaction formula is shown as follows;
CHCl3+H2O2=HCl+H2O+COCl2(iron carbon catalyst)
Phosgene, also known as phosgene, has a high chemical reaction activity and is strongly corrosive when it encounters water. Phosgene is colorless gas at normal temperature and has rotten grass smell, phosgene is yellow green liquid at low temperature, and phosgene is unstable in chemical property and can be rapidly hydrolyzed when meeting water to generate hydrogen chloride; after phosgene is leaked, phosgene is absorbed by water mist and is easily hydrolyzed, and the reaction formula of phosgene and water is as follows:
COCl2+H2O=2HCl+CO2
therefore, under the catalytic action of iron and carbon, the chloroform and hydrogen peroxide firstly generate phosgene with higher reaction activity, and then the phosgene and water can be quickly decomposed into hydrochloric acid and carbon dioxide, so that the chloroform is successfully decomposed;
a micro-electrolysis reaction unit: the device is used for micro-electrolysis of chloroform sewage after catalytic reduction, ethanol and other production sewage after water quality and water quantity adjustment so as to improve the biodegradability of the chloroform sewage and the ethanol and other production sewage; the unit can adopt a micro-electrolysis reactor with iron-carbon filler, the iron-carbon filler can adopt cast iron particle balls containing 75 percent of iron and 25 percent of carbon, the iron filings and activated carbon particles with the same proportion can also be adopted, and the micro-electrolysis is preferably carried out under the condition that the pH value is 2-5; for convenience of treatment, ethanol and other production wastewater can be firstly mixed with chloroform sewage and then enter a micro-electrolysis reaction unit, or can be independently treated without mixing; in the unit, sewage can generate galvanic cell internal electrolysis reaction in an acid environment through micro-electrolysis, free electrons in the galvanic cell reaction are utilized to break hydroxyl in ethanol in the sewage, the residual hydrogen peroxide in the catalytic reduction unit reaction is utilized to further and completely degrade chloroform in the sewage while the influence of the ethanol on subsequent microbial treatment is reduced, the salt content in the sewage produced by sinomenine hydrochloride is higher, the biodegradability of the sewage at high salinity can be greatly improved through the micro-electrolysis, and the decolorizing and filtering effects can also be realized; therefore, not only can the COD be reduced by the micro-electrolysis reaction unitCrThe purpose of (2) and also the biodegradability of the sewage is largeThe water quality is greatly improved from weak acidity to neutrality;
a pH callback unit: the pH value of the sewage after the micro-electrolysis reaction is adjusted back to be neutral; the unit can adopt a pH callback pool; the pH can be adjusted back by alkali, so that the sewage is adjusted to be neutral, which is beneficial to the subsequent coagulating sedimentation and is suitable for the growth and the survival of anaerobic bacteria in the subsequent biochemical treatment;
a coagulating sedimentation unit: the system is used for carrying out coagulating sedimentation on the sewage after the pH is adjusted back; the unit can adopt a coagulating sedimentation tank, and a coagulant is added for coagulating sedimentation, wherein the coagulant can be polyaluminium chloride (PAC), polyferric sulfate or a mixture of the polyaluminium chloride and the polyferric sulfate, and the amount of the coagulant is added until no sediment is generated; the coagulating sedimentation aims at coagulating macromolecular organic matters through coagulating bridges, so that large particles are formed and separated from water, and the COD concentration is reduced; partial soluble iron ions are generated in the catalytic reduction reaction and micro-electrolysis reaction units, and after the pH is adjusted by the pH adjusting unit, the coagulation effect can be good under the combined action of the catalytic reduction reaction and micro-electrolysis reaction units and PAC;
a hydrolysis acidification unit: the method is used for hydrolyzing and acidifying substances which are difficult to biodegrade in the sewage after coagulating sedimentation; the unit can adopt a hydrolysis acidification pool with PP or polyamide three-dimensional elastic biological filler; the filler is easy to attach hydrolytic acidification bacteria and has large bearing capacity; the hydrolytic acidification bacteria is an anaerobic bacteria, can generate extracellular enzyme for hydrolysis under the condition of low dissolved oxygen (0.1-0.5mg/l), degrades polymerization and cyclic macromolecular organic matters which are difficult to biodegrade into monomolecular organic matters, even low molecular organic matters such as acetic acid and the like, improves the biodegradability of sewage, removes the organic matters, and enables the treatment effect of subsequent biochemical treatment to reach the best;
a biochemical treatment unit: the device is used for carrying out biochemical reaction treatment on the sewage after hydrolytic acidification so as to remove COD and BOD and ensure that the water quality reaches the discharge standard; the biochemical treatment can adopt sewage biochemical treatment equipment in the prior art, and preferably, the unit can comprise a UASB reactor and a two-stage A-O reactor; the UASB reactor is used for anaerobic biochemical reaction, COD can be greatly reduced, and the anaerobic reaction does not need power such as blast and the like, so that the high-efficiency anaerobic reaction can save a large amount of energy consumption; the A-O reactor comprises A, O pools connected in series, and a sedimentation pool is arranged behind a A, O pool, specifically, a middle sedimentation pool is arranged behind an A1 pool and an O1 pool, and a secondary sedimentation pool is arranged behind an A2 pool and an O2 pool; clear water after the secondary sedimentation tank enters a clear water tank to be discharged;
a sewage conveying unit: and the units are connected with each other and used for conveying sewage to circulate among the units, and the units can adopt water pumps to convey the sewage.
The sewage treatment system can also comprise a power transmission unit, preferably a blower, which is used for carrying out power transmission on the micro-electrolysis reactor, the coagulating sedimentation tank, the O1 tank, the O2 tank and the secondary sedimentation tank.
The sewage treatment system also comprises a sludge precipitation unit and a dehydration unit, wherein the sludge precipitation unit is used for precipitating the sludge generated by the coagulation precipitation unit and/or the biochemical treatment unit, the dehydration unit is used for dehydrating the sludge precipitated by the sludge precipitation unit, and the dehydration unit is preferably a spiral-stacked dehydrator.
The utility model provides a system for handling sinomenine hydrochloride production sewage, wherein an preferred embodiment is shown as picture 1, specifically includes:
2 grid wells; one is used for treating chloroform sewage, the other is used for treating ethanol and other production sewage, and the design flow Q of each seat is 75m3D, the hydraulic retention time HRT is 29 h; size: 7.24 multiplied by 5.0m, an underground reinforced concrete structure is adopted, the lining is made of glass fiber reinforced plastics for corrosion prevention, 1 rotating brush grid is respectively configured, the gap between the grids is 0.8mm, the length of the grid is 1500mm, and the power is 0.75 kw;
a chloroform regulating reservoir and an ethanol regulating reservoir;
a catalytic reduction reactor; the external dimension is as follows:the method is characterized in that the wood shaving iron and the coal granular activated carbon filler are arranged in the device, the mass ratio of the wood shaving iron to the coal granular activated carbon is 3:1, the carbon steel is used for corrosion prevention, a dosing device is arranged for dosing hydrogen peroxide, the dosing amount is determined according to the content of chloroform in chloroform wastewater, and the dosing amount is generally 1.2-1.5L/m3;
A micro-electrolysis reactor; is provided withThe measured flow rate Q is 150m3D, external dimension:cast iron particle ball filler with 75% of iron and 25% of carbon is arranged in the steel, and the carbon steel is used for corrosion prevention;
the pH value is adjusted back to the pool;
a coagulating sedimentation tank; design flow rate Q150 m3D; size: 4.0 multiplied by 2.5 multiplied by 5.0m, half-ground type reinforced concrete structure;
a hydrolysis acidification pool; design flow rate Q150 m3D, size: 5.0 multiplied by 4.0 multiplied by 5.0m, underground reinforced concrete structure; polyamide biological filler attached with hydrolytic acidification bacteria 60m3,Ф150mm,L=3m;
A UASB reactor; corrosion prevention is performed by adopting a steel structure;
a1 pool;
an O1 pool;
a middle sedimentation tank;
a2 pool;
an O2 pool;
a secondary sedimentation tank;
a clean water tank;
a sludge tank; the system is connected with a coagulating sedimentation tank, a UASB reactor, a middle sedimentation tank and a secondary sedimentation tank through a plurality of delivery pumps and is used for settling sludge generated by the coagulating sedimentation tank, the UASB reactor, the middle sedimentation tank and the secondary sedimentation tank;
a spiral shell stacking dehydrator; the sludge treatment capacity is 50kg/h, and the total power is 1.5 kw;
the sewage or sludge is conveyed among the devices through a plurality of conveying water pumps (specifically comprising a chloroform sewage pump, a lifting pump and the like);
a blower; the power transmission is carried out by connecting the micro-electrolysis reactor, the coagulating sedimentation tank, the O1 tank and the O2 tank through a transmission pipeline.
The adjusting tank, the pH adjusting tank, the UASB reactor, the A1 tank, the O1 tank, the intermediate sedimentation tank, the A2 tank, the O2 tank, the secondary sedimentation tank, the clean water tank, the sludge tank and the like can adopt any products in the prior art which can realize the purpose of the invention. Wherein the pH adjusting tank, the A1 tank, the O1 tank, the intermediate sedimentation tank, the A2 tank, the O2 tank, the secondary sedimentation tank, the clean water tank and the sludge tank adopt reinforced concrete structure tanks, and the pH adjusting tank is additionally provided with glass fiber reinforced plastics for corrosion prevention.
The working process of the sewage treatment system of the embodiment is as follows:
chloroform sewage generated by sinomenine hydrochloride firstly enters a grating well, large-particle solid waste and floating objects are removed through a rotating brush grating, and then the chloroform sewage enters a chloroform adjusting tank, the water quality and the water quantity are adjusted, and the continuous and uniform operation of the subsequent treatment process is ensured. The chloroform sewage is uniformly lifted by a chloroform sewage pump to enter a catalytic reduction reactor, and under the action of the iron shavings, the coal granular activated carbon filler and hydrogen peroxide, a strong oxidation reduction reaction occurs, the chloroform is decomposed, the pH value is slightly reduced, the biodegradability of the sewage is greatly improved, and the COD is reducedCrThe purpose of (1).
Ethanol produced by sinomenine hydrochloride and other production sewage enter a grid well together, large-particle solid waste and floating objects are removed through a rotating brush grid, and then the ethanol enters an ethanol regulating tank, the water quality and the water quantity are regulated, and the continuous and uniform operation of the subsequent treatment process is ensured. Then the sewage pump uniformly lifts the ethanol, other production sewage and the chloroform sewage after catalytic reduction to enter a micro-electrolysis reactor for micro-electrolysis, so that the biodegradability of the sewage can be greatly improved, and the COD can be reducedCrThe water quality is changed from weak acidity to neutrality. And residual hydrogen peroxide in the last catalytic reduction reaction can be used for further and completely degrading chloroform in the sewage.
The chloroform sewage, ethanol and other production sewage after micro-electrolysis treatment are combined into mixed sewage, the mixed sewage enters a pH adjusting tank, the sewage is adjusted to be neutral, and then coagulant is added into the mixed sewage and enters a coagulating sedimentation tank for further coagulation reaction.
And the effluent of the coagulating sedimentation tank enters a hydrolysis acidification tank. The hydrolytic acidification bacteria can break chains of organic macromolecular substances which are difficult to biodegrade into organic micromolecular substances, improve the biodegradability of the sewage, remove the organic substances and optimize the subsequent biochemical treatment effect.
After being treated by the hydrolytic acidification tank, the sewage is lifted to a UASB tank by a lift pump for anaerobic biochemical reaction, and COD is greatly reduced; because the anaerobic reaction does not need power such as blast air and the like, the high-efficiency anaerobic reaction can save a large amount of energy consumption for the system.
The effluent of the anaerobic reaction automatically flows into an A1 pool, passes through two stages of AO reactions of A1, O1, a middle sedimentation pool, A2 and O2, enters a secondary sedimentation pool for sedimentation after AO reaction, and then enters a clean water pool to reach the standard for discharge (the effluent detection result of a discharge port is shown in Table 3).
Sludge generated by the UASB reactor, the intermediate sedimentation tank, the secondary sedimentation tank and the coagulating sedimentation tank in the sewage treatment process enters a sludge tank for sedimentation, supernatant after sedimentation flows back to the ethanol adjusting tank for repeated treatment, the sludge after sedimentation is sent into the screw-overlapping dehydrator through a sludge pump for dehydration, and mud cakes can be collected and transported out for landfill.
Through the sewage treatment system provided by the embodiment, the sewage produced by sinomenine hydrochloride can reach the discharge standard only through one-time treatment, and the daily treatment of the sewage can reach 150 t.
TABLE 3 discharge Port Water contaminant content
Name of contaminant | pH | CODcr | BOD5 | SS | Ammonia nitrogen | Containing chloroform |
Content (mg/L) | 7.3-7.44 | 384 | 120 | 50 | 6.97 | 0.42 |
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (9)
1. A sinomenine hydrochloride production sewage treatment system which is characterized by comprising:
large-particle suspended matter removing unit: used for removing large-particle suspended matters in chloroform sewage, ethanol and other production sewage;
a water quality and quantity adjusting unit: the device is used for adjusting the water quality and the water quantity of the chloroform sewage, the ethanol and other production sewage after the large-particle suspended matters are removed;
a catalytic reduction unit: the device is used for decomposing chloroform in the chloroform sewage after the water quality and water quantity are adjusted;
a micro-electrolysis reaction unit: the device is used for micro-electrolysis of chloroform sewage after catalytic reduction, ethanol and other production sewage after water quality and water quantity adjustment so as to improve the biodegradability of the chloroform sewage and the ethanol and other production sewage;
a pH callback unit: used for adjusting back the pH of the sewage after the micro-electrolysis reaction;
a coagulating sedimentation unit: the system is used for carrying out coagulating sedimentation on the sewage after the pH is adjusted back;
a hydrolysis acidification unit: the method is used for hydrolyzing and acidifying substances which are difficult to biodegrade in the sewage after coagulating sedimentation;
a biochemical treatment unit: the device is used for carrying out biochemical reaction treatment on the sewage after hydrolytic acidification so as to remove COD and BOD and ensure that the water quality reaches the discharge standard;
a sewage conveying unit: and the sewage conveying device is connected with the units and is used for conveying sewage to circulate among the units.
2. The sinomenine hydrochloride production sewage treatment system as claimed in claim 1, wherein said large particle suspended matter removing unit is a grating well with a rotating brush grating.
3. The sinomenine hydrochloride production sewage treatment system of claim 1, wherein the water quality and quantity adjusting unit is an adjusting tank, the pH adjusting unit is a pH adjusting tank, the coagulating sedimentation unit is a coagulating sedimentation tank, and the hydrolysis acidification unit is a hydrolysis acidification tank with PP or polyamide three-dimensional elastic filler.
4. The sinomenine hydrochloride production sewage treatment system of claim 1, wherein the catalytic reduction unit is a catalytic reduction reactor with fillers of iron shavings and coal granular activated carbon and a dosing device for adding hydrogen peroxide.
5. The sinomenine hydrochloride production sewage treatment system of claim 1, wherein the micro-electrolysis reaction unit is a micro-electrolysis reactor using iron-carbon filler.
6. The sinomenine hydrochloride production sewage treatment system of claim 1, wherein the biochemical treatment unit comprises a UASB reactor and a two-stage a-O reactor.
7. The sinomenine hydrochloride production wastewater treatment system of claim 6, wherein the two-stage A-O reactor comprises an A1 tank, an O1 tank, a middle sedimentation tank, an A2 tank, an O2 tank and a secondary sedimentation tank.
8. The sinomenine hydrochloride production sewage treatment system of any one of claims 1 to 7, further comprising a sludge precipitation unit for precipitating the sludge generated by the coagulation precipitation unit and/or the biochemical treatment unit and a dehydration unit for dehydrating the sludge precipitated by the sludge precipitation unit.
9. The sinomenine hydrochloride production sewage treatment system of claim 8, wherein the dewatering unit is a stack screw dewaterer.
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