48results about How to "Easy to process in depth" patented technology

The present invention relates to sewage treatment and urban water supply treatment, in the concrete, it is an ecological safe composite high-effective flocculant which can be serially used for making pretreatment before water supply, industrial waste water treatment and domestic sewage treatment. The flocculant uses iron salt, starch, anhydrous ethyl alcohol and sodium hydroxide as raw material, in which the iron salt and corn starch are main component, anhydrous ethyl alcohol or water can be used as reaction solvent, the sodium hydroxide can be used for making modification of corn starch, the mass ratio of iron in the iron salt and starch is 1:1-1:100. Its preparation method includes: (1) modification of corn starch and (2) compounding reaction to obtain whitish yellow or reddish brown emulsion-live flocculant.

The invention provides a multistage purification environmental-protection device for chemical engineering exhaust gas treatment, and belongs to the technical field of exhaust gas purification treatment environmental protection. The device comprises a box body and a dust circulating box; and a first separator plate and a second separator plate are vertically arranged in the box body. A lot of wasteheat in chemical engineering exhaust gas is still not treated, a lot of heat contained in the exhaust gas heats cold water in a waste heat utilization box in a first exhaust gas inlet tube in a heattransfer manner, and the tube body of the tube adopts a snakelike bent structure to make the whole exhaust gas discharged after fully transferring heat with the cold water, so remaining heat in the gas can be practically recycled to avoid terrible energy waste caused by direct emission of traditional manners, the heated hot water can be used in all fields of people's lives, and the exhaust gas iswell effectively used, and is drawn into an exhaust gas pretreatment box after the heat is used.

The invention provides a method and equipment for treating antibiotic mycelium residues. According to the method, the antibiotic mycelium residues and water are prepared into a mycelium residue suspension which is subjected to anaerobic fermentation treatment. The invention also provides the equipment for treating the antibiotic mycelium residues, and the equipment comprises a residue water generating device, an anaerobic fermentation device, a gas-liquid separation device positioned above the anaerobic fermentation device, a biogas collection device positioned above the gas-liquid separation device and a riser pipe for communicating the gas-liquid separation device and the anaerobic fermentation device. By using the method and equipment for treating the antibiotic mycelium residues, the mycelium residue suspension obtained after the mixing of the antibiotic mycelium residues and the water is subjected to anaerobic fermentation treatment, so that the inhibition of harmful substances of anaerobic fermentation antibiotics and the like in the conventional antibiotic mycelium residues is overcome, the amount of preponderant bacteria is kept to the utmost extent, the efficiency of anaerobic fermentation is improved, and the method and the equipment have the advantages of small floor area, simple operation, low cost and the like.

The invention relates to a deep treatment method of ethylene waste lye, and particularly relates to a deep treatment method of ethylene waste lye after wet oxidation pretreatment. The ethylene waste lye after wet oxidation pretreatment is deeply treated by adopting a Fenton oxidation-biological aerated filter (BAF) technology, the chemical oxygen demand (COD) of effluent after treatment is smaller than 200mg / L, the chromaticity is smaller than 1, the ethylene waste lye is clear and transparent, and deep treatment of the ethylene waste lye is achieved. The treatment method is simple and convenient in operation, stable to run, high in COD removal efficiency, and good in decoloration effect, and can be directly discharged to a municipal sewage plant and receiving water or merged into other treatment systems.

The invention discloses a waste emulsion treatment method and a waste emulsion treatment device. The treatment method comprises the following steps: treating a waste emulsion to be treated at a temperature of 18-60 DEG C by a solid-liquid separation high-frequency vibration membrane treater, and performing anaerobic treatment; performing aerobic contacting oxidation treatment; performing MBR filtration, performing ozonation treatment on the obtained liquid, and performing filtering to remove residual suspended solids, wherein the packing in an ozonation treatment device is a supported catalyst AODO. The treatment process disclosed by the invention is compact in flow, small in occupied area, low in operating cost and short in treatment time, the treated waste emulsion is nearly colorless and basically odorless, the effluent quality in the whole process can completely meet the secondary standard requirements in the Integrated Wastewater Discharge Standard (GB8978-1996), and the treatment process has extremely high popularization value in other high-difficulty organic wastewater treatment.

The invention discloses a pretreatment device for efficient sewage treatment, which comprises a device body; the device body is mainly composed of a base, a box body, a water inlet, a water outlet, a filtering cavity and a stirring cavity; the filtering cavity and the stirring cavity It is separated by a rotating plate, and the rotating plate is rotatably connected with the inner wall of the box; a fixed plate is arranged in the filter cavity, and the fixed plate and the rotating plate are fixedly connected by a filter element, the top of the box is fixedly connected with the first motor, and the bottom of the box Both sides are fixedly connected with vibration motors, the vibration motors are electrically connected with the power supply outside the device body, the bottom of the box is fixedly connected with telescopic devices, the ends of the telescopic devices are fixedly connected with magnets, and the surface of the base is fixedly connected with magnets. The device avoids the local overload of the filter element and the clogging of the filter element, improves the filtration efficiency of the sludge, improves the stirring range of the sewage, and uniformly distributes the microorganisms, greatly improves the anaerobic treatment effect of the sewage, and facilitates the depth of the sewage in the later stage. deal with.

The invention provides a method for treating domestic waste leachate tail water in an adsorption-coagulation way, belonging to the technical field of environment waste treatment. The method comprises the following steps of, firstly, biological treatment of domestic waste leachate; secondly, adsorption and decoloration treatment; thirdly, chemical coagulation treatment and the like. In the invention, by replacing granular activated carbon with powdery activated carbon and replacing a static filter process with quick stirring, under the synergism of adsorption and coagulation, the COD (ChemicalOxygen Demand) removal rate reach above 85 percent, the chroma is 40 times, and the effluent quality is good and reaches the national emission standard, thereby preventing the problems of blockage ofthe powdery activated carbon to a filter tank, floating residues in water and the like. The method is suitable for deep treatment of various domestic waste leachate tail waters.

The invention provides a technology and a system for treating petrochemical wastewater. The technology is characterized in that a treatment method combining primary treatment, secondary treatment, biochemical treatment and deep treatment is adopted, the previous petroleum removal effect is enhanced, and the deep treatment type novel technology combination of 'ozone contact and aeration biologicalfilter tank' is additionally adopted, so that the contents of COD (chemical oxygen demand) and petroleum in the wastewater can be reduced, and the removal effect of petroleum and COD is enhanced; mostof NH3-N, TN, sulfide, volatile phenol and SS (suspended solids) can be removed, the drainage requirement is met, the petrochemical wastewater is effectively treated, and the drained water can stablyreach the standard. The treatment system comprises an adjusting petroleum removal tank, a loading and coagulation petroleum removal device, a coagulation and flocculation air floatation tank, an A / O(anoxic / oxic) biochemical tank, a secondary precipitation tank, a front ozone contact tank, an aeration biological filter tank, a clean water tank and the like. The system has the advantages that according to the conditions, the system can be newly built, or be modified on the original treatment system; the running is stable, the construction cost is effectively reduced, and the running cost is reduced.

The invention discloses a premodulation technology for concentrated advanced treatment of sludge. The premodulation technology comprises the following steps that Step1, polyaluminium sulfate is added to the sludge which is dehydrated in advance to allow a water content to be 78-83%; a weight ratio of the polyaluminium sulfate to absolute dry sludge is 0.5-5.0%; the sludge is diluted with water till the water content is 96-99%; and Step 2, a high-speed cutting and crushing agitator is started to operate for 5-15 minutes for agitating and mixing the sludge to accomplish a premodulation task. According to the premodulation technology, when the sludge is diluted, polyaluminium sulfate and sodium tripolyphosphate are used to perform cutting, emulsification, dispersing and flocculation on electriferous sludge zoogloea, fat type substances, protein and the like, and the high-speed cutting and crushing agitator is used for mechanical crushing, so that micelles and floccules are broken; a mixing effect of a supported TiO2 photoelectric catalyst is improved; and subsequent concentrated advanced treatment on the supported TiO2 photoelectric catalyst is facilitated.

The invention provides an electromagnetic enhanced catalytic ozonation device for advanced treatment of organic wastewater and an organic wastewater advanced treatment method, and belongs to the technical field of organic wastewater advanced treatment. The basic principle of the electromagnetic enhanced catalytic ozonation device for advanced treatment of organic wastewater is as follows: a catalyst layer fixed in the device is subjected to catalytic reaction with ozone and water in the organic wastewater to generate hydroxyl radicals, and then the hydroxyl radicals oxidize and decompose organic pollutants in the organic wastewater. By increasing the electromagnetic induction effect and changing the structure and the operation mode of the device, the oxidation efficiency of catalytic ozonation is improved, the ozone utilization rate is increased, and energy conservation and consumption reduction are achieved.

The invention relates to an advanced treatment method for degradation-resistant organic wastewater, belonging to the technical field of environmental protection. The method comprises the following steps: firstly, carrying out first level coagulating sedimentation treatment on wastewater, namely sequentially adding a coagulant and a coagulant aid into the wastewater, reacting while stirring, and carrying out solid liquid separation to obtain supernate; then, carrying out second level chemical oxidizing coagulating sedimentation, namely sequentially adding a chemical oxidizing agent, a coagulant and a coagulant aid into the supernate, and reacting while stirring; and finally carrying out solid liquid separation to obtain supernate so as to achieve discharge with standard level. According to the advanced treatment method for degradation-resistant organic wastewater provided by the invention, the treatment system is simple in process flow, small in occupied area, good in controllability and convenient to operate, and the operating cost and the occupying area for organic sewage treatment can be effectively lowered. Moreover, the advanced treatment effect of the wastewater is good, and the final effluent achieves the discharge requirements.

The invention discloses a high-concentration mother liquor granulating device and method. The high-concentration mother liquor granulating device comprises a spray tower, a conveyor, a fluidized bed,a bag-type dust collector and a tail gas induced draft fan, wherein a hot air inlet is formed in the top of the spray tower; a first hot air outlet and a second hot air outlet are formed in the bottomof the spray tower; one part of mother liquor communicates with a liquid inlet of the spray tower, and the other part of mother liquor communicates with a liquid inlet of the fluidized bed; powder discharged from the spray tower is conveyed to the fluidized bed by the conveyor; the first hot air outlet is connected with a hot air inlet of the fluidized bed; the fluidized bed is also provided witha cold air inlet; the second hot air port communicates with a tail gas outlet of the fluidized bed and then enters an air inlet of the bag-type dust collector; and the tail gas induced draft fan communicates with a gas outlet of the bag-type dust collector. According to the invention, a combined process combining spray drying and a fluidized granulation bed is adopted, hot air temperature, atomized particles and treatment capacity can be adjusted according to the characteristics of the mother liquor, and heat can be further recycled and the granularity of materials can be improved through thefluidized bed, so low energy consumption, continuity and adaptation to different mother liquor are achieved.

The invention discloses an industrial wastewater advanced treatment system which comprises an adjusting tank, a reaction sedimentation tank, an aerobic tank, an anaerobic tank, a secondary sedimentation tank, a filtering device, a detection tank and a disinfection tank which are connected in sequence, and the disinfection tank is provided with an up-to-standard discharge pipeline; the reaction sedimentation tank, the aerobic tank, the anaerobic tank and the secondary sedimentation tank are respectively connected with a sludge concentration tank for mixing sludge and concentrating the sludge through pipelines, and supernatant in the sludge concentration tank flows back to the regulating tank through a pipeline for secondary sewage treatment; the filtering device comprises a multi-medium filter, an activated carbon filter and an RO membrane filter, a detection device for detecting the nitrogen content, the phosphorus content and the heavy metal content in purified water is arranged in the detection tank, and the detection tank is connected with the reaction sedimentation tank through a pipeline. The industrial wastewater advanced treatment system is reasonable and effective in structural layout and low in cost, and has a good advanced treatment effect on industrial wastewater.

The invention discloses a pressurizing and aerating MBR (Membrane Bioreactor) water treatment device. The device comprises a tower body, wherein a guide plate, a gas diffusion system, an MBR membrane system, a support rid and a pressure sensor are arranged in the tower body from bottom to top. The tower body is further internally provided with a drainage straight cylinder. The gas diffusion system is connected with a gas storage tank, an air compressor and a pressure adjusting work station out of the towel body sequentially through a gas inlet tube. The pressure adjusting work station is further communicated with the pressure sensor. With the adoption of the device provided by the invention, advantages of two processes of pressurizing and aerating and MBR membrane treatment can be coordinately and perfectly exerted, and the treatment efficiency and the removal rate of pollutants are remarkably superior to those of common aerobic biological treatment.

The invention discloses a pressurizing and aerating MBR (Membrane Bioreactor) water treatment device. The device comprises a tower body, wherein a guide plate, a gas diffusion system, an MBR membrane system, a support rid and a pressure sensor are arranged in the tower body from bottom to top. The tower body is further internally provided with a drainage straight cylinder. The gas diffusion system is connected with a gas storage tank, an air compressor and a pressure adjusting work station out of the towel body sequentially through a gas inlet tube. The pressure adjusting work station is further communicated with the pressure sensor. With the adoption of the device provided by the invention, advantages of two processes of pressurizing and aerating and MBR membrane treatment can be coordinately and perfectly exerted, and the treatment efficiency and the removal rate of pollutants are remarkably superior to those of common aerobic biological treatment.

The invention discloses an activated carbon in-situ cyclic adsorption regeneration process for advanced treatment of a sewage plant, the process is characterized in that internal circulation of activated carbon in the sewage plant is realized, and the problem that saturated activated carbon cannot be treated is solved. The process is good in treatment effect, under the condition that CODcr is smaller than or equal to 90 mg / L, effluent CODcr can reach the standard of surface V-type water and even IV-type water, the iodine value and methylene blue adsorption value of the regenerated activated carbon are slightly higher than those of fresh carbon, the mass loss is smaller than or equal to 8%, and the adsorption effect of the regenerated activated carbon is the same as that of the fresh carbon.

The invention discloses a pectin dedicated volute sludge dehydrator and a screw shaft thereof. A reducing variable pitch screw shaft is adopted, a pitch of a screw panel is gradually reduced along a sludge outlet tank; the diameter of the screw shaft is gradually increased along a sludge outlet tank direction from the 1 / 3 position of the shaft length; and the length of the back 2 / 3 section of the screw shaft, namely the dehydration section, is increased by 10-15%. Aiming at the features that the pectin is high in sludge organic content, soft in mud, light in proportion, and hard to dehydrate, the pectin dedicated volute screw shaft is innovated and designed; and through special design of the screw shaft, the pressure in a dehydration cavity is higher, the compression ratio of a mud inlet end to a mud outlet end can achieve 3.5: 1, the dehydration time is longer, and the dehydration effect is better. The pectin dedicated volute sludge dehydrator has the characteristics of being larger in cavity pressure, hard to stick the shaft, longer in sludge dehydration retention time and high in dehydration efficiency; and the sludge dehydration effect can be effectively improved while guaranteeing that the processing efficiency of unit time cannot be reduced.

The invention discloses an inverted short-cut nitrification-anaerobic ammonia oxidation sewage treatment device and treatment method. The device comprises an anaerobic moving bed bio-membrane reactorand a short-cut nitrification reactor which are connected with each other, wherein a mixing zone, a denitrification zone and an anaerobic ammonia oxidation zone which are communicated with one anotherare arranged in the anaerobic moving bed bio-membrane reactor, biological suspended fillers are respectively arranged in the three zones; discharged water of the anaerobic ammonia oxidation zone enters the short-cut nitrification reactor; and a reflux channel is arranged between a water outlet of the short-cut nitrification reactor and a water inlet of the mixing zone. According to the device andthe method, nitrate nitrogen, nitrite nitrogen and ammonia nitrogen are converted into nitrogen by utilizing gradual denitrification and anaerobic ammonia oxidation of an inflow organic carbon sourcein different areas of the anaerobic moving bed bio-membrane reactor, so that efficient denitrification is realized. Interference of an organic carbon source on population advantages of the chemical energy autotrophic flora is eliminated, stable short-cut nitrification process control can be achieved, meanwhile, it is ensured that nitrogen in discharged water is nitrate nitrogen or nitrite nitrogen through rear short-cut nitrification, and therefore high-standard emission is achieved.

The invention relates to the field of wastewater treatment, in particular to a spray paint wastewater treatment method. The method comprises steps as follows: 1), wastewater passes through a grating to remove suspended matter, and a first treated solution is obtained after standing aeration; 2), a pH regulator is added to the first treated solution to regulate pH value, and a second treated solution is obtained; 3), a soluble superphosphate is added to the second treated solution, a first stirring reaction is performed, and a third treated solution is obtained; 4), a ferrous salt solution is added to the third treated solution, a second stirring reaction is performed, and a fourth treated solution is obtained; 5), a coagulant is added to the fourth treated solution for third stirring, a flocculant is added, fourth stirring is performed, and a mixed solution is left to stand for layering; 6), the upper suspended matter is removed after stand layering in step 5), and a subnatant is to bedischarged or recycled. With the adoption of the treatment method, the treatment effect of spray paint wastewater is good, viscosity breaking efficiency of the wastewater is high, the wastewater canbe effectively improved, and the CODCr value of the spray paint wastewater is smaller than 100 mg / L and reaches the three-level standard GB8978-1996.

The invention discloses a rhodococcus corynebacterioides strain and an application thereof in printing and dyeing wastewater treatment. The rhodococcus corynebacterioides strain is named as Rhodococcus corynebacterioides ZHY1-4, and the preservation number is CGMCC No. 8172. The rhodococcus corynebacterioides strain is prepared as microbial agent; the rhodococcus corynebacterioides ZHY1-4 and the microbial agent prepared from the strain are used for treating high-salt printing and dyeing wastewater or deeply treating the printing and dyeing wastewater, the deep treatment effects on a plurality of high-salt printing and dyeing wastewater and the printing and dyeing wastewater are good, and COD (chemical oxygen demand) and ammonia nitrogen can be well removed.

The invention belongs to the field of exhaust gas treatment and particularly relates to a treatment process for papermaking exhaust gases. The treatment process comprises main key parts, i.e., a demister, UV photodecomposition catalyzed oxidation, an ozone generator, an oxidation tower, an absorption tower, an ozone catalyzed oxidation reaction tower and a blower. According to the treatment process, the process is simple, the use is convenient, the cost is low, the efficiency of exhaust gas treatment is high, the emission of the exhaust gases is lowered, and the environmental pollution is reduced.

The invention belongs to the technical field of wastewater treatment and solid waste resource utilization, and discloses a magnesium-containing biochar liquid material for recovering phosphorus element in pig farm wastewater and a preparation method and application of the magnesium-containing biochar liquid material. The magnesium-containing biochar liquid material is prepared by the following steps: adding water into a mixture of magnesium-containing waste residue powder and wet pig manure, fully and uniformly mixing, drying, pyrolyzing the obtained solid at 600-700 DEG C in a protective atmosphere, adding water into the magnesium-containing waste residue modified pig manure biochar, and grinding in a colloid mill. According to the method, the pig manure biochar can be modified by fully utilizing the byproduct magnesium-containing waste residues of flue gas desulfurization of a power plant and ground into a liquid material, the liquid material is applied to advanced treatment of biochemical effluent of a pig farm, the phosphorus recovery rate reaches 99% or above, the adsorption capacity is 117mg / g or above, and meanwhile, the chroma removal rate reaches 87% or above.

The invention discloses a method for pre-treating Fischer-Tropsch synthesis wastewater through catalytic ozone oxidation. The method comprises: 1, taking Fischer-Tropsch synthesis wastewater, and placing into a reaction device; 2, weighing a powdery MnO2 catalyst or supported MnO2 catalyst, placing into the reaction device, and introducing ozone into the reaction device through an ozone generator;3, sampling, and filtering the sample through a needle filter to obtain a treated sample; and 4, determining the COD concentration of the treated sample obtained in the step 3 by using a potassium dichromate titration method, and calculating the COD removal efficiency of the Fischer-Tropsch synthesis wastewater. According to the present invention, with the method, the Fischer-Tropsch synthesis wastewater is pre-treated through the MnO2 catalytic ozone oxidation technology, such that the COD degradation efficiency is high, the effect is good, and the subsequent deep treatment is easily achieved so as to obtain the standard effluent.

The invention provides a method and equipment for treating antibiotic mycelium residues. According to the method, the antibiotic mycelium residues and water are prepared into a mycelium residue suspension which is subjected to anaerobic fermentation treatment. The invention also provides the equipment for treating the antibiotic mycelium residues, and the equipment comprises a residue water generating device, an anaerobic fermentation device, a gas-liquid separation device positioned above the anaerobic fermentation device, a biogas collection device positioned above the gas-liquid separation device and a riser pipe for communicating the gas-liquid separation device and the anaerobic fermentation device. By using the method and equipment for treating the antibiotic mycelium residues, the mycelium residue suspension obtained after the mixing of the antibiotic mycelium residues and the water is subjected to anaerobic fermentation treatment, so that the inhibition of harmful substances of anaerobic fermentation antibiotics and the like in the conventional antibiotic mycelium residues is overcome, the amount of preponderant bacteria is kept to the utmost extent, the efficiency of anaerobic fermentation is improved, and the method and the equipment have the advantages of small floor area, simple operation, low cost and the like.

The invention discloses a novel supported catalyst, a preparation method therefor and use of the novel supported catalyst. The preparation method for the supported catalyst, disclosed by the invention, comprises the following steps of carrying out activating treatment on 2mm-4mm alumina which serves as a support, then, loading a precursor of active ingredients to the support by adopting an incipient-wetness impregnation method, and carrying out roasting, thereby obtaining the supported catalyst AODO with the mass fraction of 1% to 8%. When the supported catalyst disclosed by the invention is applied to the deep treatment of wastewater through catalytic oxidation of ozone, the utilization ratio of the ozone can be increased, the deep treatment effect on the wastewater is very good, and the COD of effluent can be lowered to be lower than 50mg / L; the ozone-catalytic-oxidation wastewater deep-treatment method is free of influence and limitations caused by conditions such as pH and temperature of the wastewater, so that the operation is convenient and flexible, and the range of application is wide; and meanwhile, the supported catalyst disclosed by the invention can be regenerated and is low in production cost, thereby being applicable to industrialized application.

The invention relates to a cold rolling and acid pickling wastewater resourceful treatment process system. The cold rolling and acid pickling wastewater resourceful treatment process system comprises a raw water tank, a water feeding pump, a filter, a cation exchange resin bed, a water producing tank, a product water delivery pump, an acid liquid tank, an acid liquid delivery pump, a pure water tank, a pure water delivery pump, a regenerated liquid collecting tank, a regenerated liquid delivery pump, a waste liquid tank, and a wastewater delivery pump. Special iron ion adsorption resin is arranged in the cation exchange resin bed. The cold rolling and acid pickling resourceful treatment process system is stable in treatment effect, and can effectively remove iron ions in acid pickling wastewater, so that the acid pickling wastewater can be subjected to resource utilization; automatic operation degree of equipment is high; and the system is easy and convenient to operate and run.

The invention relates to sewage treatment and urban water supply treatment, in particular to a preparation method of a series of ecologically safe composite high-efficiency flocculants used for water supply pretreatment, industrial waste water or domestic sewage treatment. It uses iron salt, starch, absolute ethanol, and sodium hydroxide as raw materials, of which: iron salt and corn starch are the main components, absolute ethanol or water is used as the reaction solvent, and sodium hydroxide is used for the modification of corn starch; iron salt The mass ratio of medium iron to starch is 1:1-1:100; specific preparation: 1) modification of starch; 2) composite reaction to obtain white-yellow or reddish-brown emulsion flocculant. The invention is economical, efficient, high in ecological safety, wide in applicability, free of secondary pollution, friendly to the environment and non-corrosive to equipment.

The invention discloses a glass fiber tube burring device which comprises a rack body. The glass fiber tube burring device is characterized in that a burring device body is arranged on the rack body; a collecting guide wheel is arranged at one end of the rack body; a motor and a frequency converter are arranged at the bottom of the rack body; the burring device is connected with an external fire source; a flame heat preservation cavity is formed above the burring device; a pressing wheel is arranged on the collecting guide wheel; a guide wheel is arranged above the flame heat preservation cavity; a pressing wheel handle is arranged on the pressing wheel; the burring device is of a structure which takes the shape of a Chinese character tu and comprises a cover and a base; a through hole is formed in the middle of the burring device. By adopting the glass fiber tube burring device, burrs on the surface of the wall of a glass fiber tube blank can be effectively removed, the surface is smoothened, and deep processing and manufacturing of next procedures are facilitated.

The strong-acidity chemical wastewater treatment device comprises a machine body and a protection mechanism, an inner groove chamber is formed in the middle of the machine body, and discharging openings are formed in the left end and the right end of the bottom of the inner groove chamber. The beneficial effects of the invention are that: the method is suitable for large-scale production; the invention discloses a strong-acidity chemical wastewater treatment device. The base disc rotates relative to the machine body; the direction of the basal disc can be adjusted; the basal disc can be conveniently turned outwards; therefore, the device is supported outside the bottom of the device body; at this time, a water delivery pipe can be mounted. Therefore, the pipeline has a larger stress point;non-dangling, therefore, the use is safer; the base discs are symmetrically designed; discharge ports in the left end and the right end of the device body can be synchronously carried; the chemical pump is simple in structure, convenient to use and higher in discharging efficiency, chemical wastewater can be guided into the inner tank chamber from the feeding port during use and discharged out through the feeding port after being treated, water can be conveyed and pumped for a water pump of a chemical pump in the prior art, and a water pump control circuit in the prior art can be installed inthe control box.

A treatment process for papermaking exhaust gases. The equipment used in this process mainly comprises a demister, a UV photolysis generator, an oxidation tower I, an oxidation tower II, an absorption tower, ozone catalytic oxidation reaction tower, an induced draft fan, and a high-altitude emission device connected in sequence by means of an air duct. An ozone generator communicates with the oxidation tower I by means of a pipe. An oxygen source passes through the ozone generator and then enters the oxidation tower I. A hydrogen peroxide storage tank communicates with the oxidation tower II by means of a pipe and a pump A. A caustic soda storage tank communicates with the absorption tower by means of a pipe and a pump B.