84results about How to "Strong load impact resistance" patented technology

The invention provides a biologic filtration method and a device for purifying industrial organic waste gas, which has high efficiency, less investment, low running cost and extensive application range of equipment. The method comprises the following steps: (1) the industrial organic waste gas is sprayed and processed in a spraying tower with a tap water spraying system to remove solid particles; (2) the waste gas enters a biologic trickling filtration tower filled with a biologic filler filled with a composite material for carrying out biologic filtration; inorganic salt nutrition liquid and active sludge which are stored in an aeration tank are evenly sprayed into the biologic trickling filtration tower by a pipeline and a spraying device, and the industrial organic waste gas is adsorbed, absorbed and degraded biologically by a biologic film attached to the surface of the biologic filler and the active sludge from the aeration tank; and (3) the industrial waste gas after being purified is discharged from a waste gas discharge port at the top of the biologic trickling filtration tower, and the active sludge is recirculated into the aeration tank for recycle after being regenerated. The invention has higher processing effect to various industrial mixed organic waste gases and wide application range, and the processed industrial mixed organic waste gases can reach the national emission standard or the emission standard of a manufacturer.

The invention provides a direct current power supply system for a transformer substation and a control method thereof. The direct current power supply system comprises a centralized monitoring module, a direct current operation power module, an uninterruptible power supply (UPS) power module, an inversion power supply module, a communication power supply module and a lithium iron phosphate energy storage module; each module of the direct current power supply system is connected to a common direct current bus through a relay switch, and redundancy backup of each module is realized in a mode that each module is connected in parallel to the common direct current bus through a multi-submodule; the modules of the direct current power supply system are connected with the centralized monitoring module through a controller area network (CAN) communication bus; the centralized monitoring module collects the running state information of each module and manages the modules of the system uniformly; and a battery is charged or discharged slightly through intelligent coordination control, and on-line automatic maintenance of the battery is realized. The invention has the advantages that: the system has high reliability, high shock load resistance, no maintenance, small floor area, energy conservation and environmental friendliness; and the service life of the battery is prolonged and the performance of the battery is improved by the intelligent coordination control method.

The invention discloses an odor biological treatment process and a device in environmental engineering, meanwhile, the invention discloses a process for removing a plurality of mixed obnoxious gases and a device, which is characterized in that a trickling bio-filter A is arranged, the gas to be treated is pressurized by a draught fan to be delivered to an air pretreatment device, then the gas enters into a gas distributor at the lower part of the trickling bio-filter A, thereby carrying out the reactions of filtration, adsorption, degrading and biochemical when passing through a biological carrier and removing H2S; a trickling bio-filter B is arranged, the gas comes from the top of the trickling bio-filter A and enters into the trickling bio-filter B from the bottom of the trickling bio-filter A, which can pass through the biological carrier to remove volatile organic compounding exhaust gases; the trickling bio-filter A and the trickling bio-filter B are respectively provided with a spraying liquid A and a spraying liquid B, and the spraying liquid A and the spraying liquid B enter into the biological carrier from top to down. The process and the device have the advantages that the obnoxious gases are removed with different grades; the device is flexible and convenient to manufacture, assembly and disassembly with low cost; the trickling bio-filter B is provided with a multi-grade biological carrier; the trickling bio-filter A and the trickling bio-filter B are respectively sprayed with the spraying liquid A, the spraying liquid B and nutrient fluid thereof, which is convenient to operate, easy to adjust and are capable of removing a plurality of obnoxious gases with good treatment effect and strong ability against load impacts.

The invention discloses a treating and recycling zero-emission technology for coking phenol-cyanogen wastewater. According to the treating and recycling zero-emission technology, a pre-sedimentation oil separating tank, an air floating system, an adjusting aeration tank, an anaerobic tank, an anoxic tank, an aerobic tank, a secondary sedimentation tank, a coagulating reaction tank, a quick filtering tank, an ultrafiltration raw water tank, an ultrafiltration system, a nanofiltration system, a reverse osmosis system, a concentrated water aerobic tank, a concentrated water anoxic tank, an SBR tank, a chemical oxidation tank, a bitter water film concentrating system, a softening rigidity removing system, a low-pressure sea-water film system, a high-pressure sea-water film system, an MVR evaporating system, a sludge thickening tank, a press filter and a Roots blower are adopted for technological treatment. The invention further discloses treating and recycling zero-emission equipment for coking phenol-cyanogen wastewater. The treating and recycling zero-emission technology and equipment are high in treatment efficiency and low in cost, and have the advantages that zero emission of sewage can be realized.

The invention relates to an integrated sewage treatment device with high efficiency and low consumption and a treatment method, and belongs to the field of sewage treatment. The integrated sewage treatment device comprises a pretreatment unit, a multi-oxidation-deoxidation environment coupling biological reaction pond unit and a deep treatment unit sequentially connected. The multi-oxidation-deoxidation environment coupling biological reaction pond unit adopts a three-stage anoxia-aerobiotic alternating reaction pond filled with a circular composite glass ball porous microbial carrier. The deep treatment unit comprises a filter cloth dynamic film biological reaction pond and first and second dynamic films. Sewage is treated through the devices sequentially. The device provided by the invention cannot only remove carbon containing organic matters, but also has good nitrogen and phosphorus removal capacity.

The invention provides a preparation method of immobilized cold resistant nitrobacteria, relating to a preparation method of cold resistant nitrobacteria. The invention aims at solving the problems that the nitrobacteria obtained by the existing method slowly grows, generation time is long, and removal efficiency of ammonia nitrogen in sewage is low. The preparation method comprises the steps of: 1, preparing low-temperature resistant nitrobacteria floras; 2, preparing cold resistant nitrobacteria floras; and 3, immobilizing the cold resistant nitrobacteria floras to obtain the immobilized cold resistant nitrobacteria. The nitrobacteria obtained by the method have the advantages of stable growth on condition of low temperature, short generation time and high removing rate of the ammonia nitrogen in the sewage.

Provided is an apparatus for producing reclaimed water based on electrolysis and double membrane technologies. The apparatus is disposed with an electrolysis system, an MBR system and a reverse osmosis system. Further provided is a method for producing reclaimed water using the apparatus, comprising the following steps: retrieving biochemical sewage through a water pump (12) and inputting the biochemical sewage into an electrolysis apparatus (13) of the electrolysis system to be electrolyzed, then enabling the sewage to enter an MBR reaction tank (26) through a grid (22) to obtain primary reclaimed water, pumping the primary reclaimed water into the reverse osmosis system with a high pressure pump (45) to separate dialysis water and concentrated water, enabling the dialysis water to enter a reclaimed water storage tank (48) to obtain ultrapure reclaimed water, enabling a part of the concentrated water to flow back for cyclic membrane filtering and separation, enabling a part of the concentrated water to flow back to enter an electrolysis procedure for cyclic use, and discharging the rest part of the concentrated water.

The invention belongs to the field of waste gas treatment and relates to a treatment technology for automobile coating waste gas. A combined technology consisting of spraying washing and a photoelectric synergic low-temperature plasma catalysis technology is adopted to treat the automobile coating waste gas. The automobile coating waste gas firstly enters a spraying washing tower for pretreatment, and the waste gas is in full contact with water; paint mists are fully absorbed by water with a flocculating agent to form paint resides; the rest of the waste gas containing organic matters is mixed with a certain amount of oxygen and then enters a double-dielectric barrier discharge reactor; a high-voltage electrode is a load type photocatalysis material; plasmas and photocatalysis are synergically used for degrading the organic matters. The method disclosed by the invention is suitable for purification treatment on a large amount of automobile coating waste gas with the low and medium concentration; the purification efficiency of the treated paint mists is up to over 95 percent; the purification efficiency is over 90 percent; the treated automobile coating waste gas meets the secondary standard of the Integrated Emission Standard of Air Pollutants (GB16297-1996).

The invention discloses a method for processing breeding wastewater through multi-biological-phase zoogloea packing. The method includes the following steps of firstly, culturing and domesticating multi-biological-phase zoogloea; secondly, processing livestock breeding wastewater. Through the extra-large cation exchange capacity and microbial affinity of the multi-biological-phase zoogloea packing, the perfect combination of physical adsorption removal and biological degradation removal is achieved, and the method has outstanding denitrification capacity; a stable microbial system is formed, the microorganism concentration is tens times higher than that of an activated sludge process, impact load resistant capacity is strong, and basically no residual sludge exists. Running and operating are quite simple and reliable; compared with a conventional biochemical technology, investment is basically equal to or slightly higher than that of other processes, and running cost is reduced by about 90%.

The invention discloses a quick start method for a low-concentration anaerobic reactor. A folded plate anaerobic reactor device is started by adding powdered activated carbon at the temperature of 24 DEG C in a natural biofilm formation mode, the biofilm formation speed is high, the adaptive capacity of an anaerobic biofilm to the environment in the reactor is high, no disengagement is likely to happen when the water quality condition is changed, and high anti-load-impact capacity is achieved.

The invention relates to the technical field of sewage treatment and discloses a system suitable for treating high concentration organic wastewater. The system comprises a feed hopper (1), a homogenizing tank (2), a biogas tank (3), an up-flow anaerobic sludge bed (4), a cyclic activated sludge bioreactor (5), a microelectrolysis reactor (10), a baffled biological aerated filter (BBAF) (6) and an ozone disinfection tank (7), which are connected in sequence, wherein the biogas tank is connected with a sludge thickening tank (8); a biogas purification and storage gas supply system comprises a gas-water separator (91), a biogas desulfurizer (92), a first flame arrester (931) and a gas storage tank (94) in sequence; and the gas-water separator (91) is also connected with a gas supercharging device (95), a second flame arrester (932) and a waste heat recovery device (96). The system and the method have the beneficial effects that the process is simple; the concentration gradient in the reaction process is large, so that sludge bulking is not easy to happen; the system has strong load impact resistance and good treatment effects; and the simultaneous denitrification and dephosphorization effects of the BBAF are obvious by adjusting the cycle of operation and controlling the working procedure time length.

A sewage recycling device based on electrolysis and membrane biological reactor (MBR) technology and a method thereof relate to the sewage treatment and recycling. The sewage recycling device is provided with an electrolysis system and an MBR system, wherein the electrolysis system is provided with a stop valve, a water supply pump and an electrolysis machine; the MBR system is provided with a grid, an MBR reaction tank, an MBR component, a blower, an aerator, a sewage pump, an effluent pump and a regenerated water storage tank. The method comprises the following steps: the advanced treatment sewage of a secondary sedimentation tank, which is through biochemical treatment, is extracted by a water pump and sent in the electrolysis machine for electrolysis, then the sewage enters the MBR system through the grid to remove the solid impurities generated through electrolysis, plankton, bacteria and colloid and obtain purified sewage; and the purified sewage treated by the electrolysis system flows in the MBR system through a pipe to perform solid-liquid separation, thus the recycling of sewage can be completed. By adopting the device and method, the advanced treatment and recycling of sewage can be realized, the sewage discharge can be reduced and the utilization efficiency of water can be increased.

The invention relates to a biochemical treatment method for improving polymer-containing sewage matrix of the oil field. Polymer-containing sewage is firstly added with a demulsifier and enters a demulsification buffer tank for demulsification, after a pH regulator is added to effluent of the demulsification buffer tank, the effluent enters a pH regulating tank and enters a floatation tank for floatation after pH is regulated, and a flocculant adding point is arranged at an inlet of the floatation tank; effluent of the floatation tank enters a filter, is filtered and then enters a water buffer tank, a compound biological nutritional agent is added, effluent of the water buffer tank sequentially enters an anaerobic tank and an aerobic tank for treatment and performs mud-water separation through a settling pond, a liquid supernatant of the settling pond is discharged after meeting the standard, a part of sludge at the bottom of the settling pond flows back to the front end of anaerobic tank, the remaining sludge and dross produced during floatation enter a sludge concentration tank and are concentrated and dewatered by a dewatering device. The treatment efficiency is high, the load impact resistance ability is high, the operation is stable and standard discharge after treatment of the polymer-containing sewage of the oil field is realized.

The invention discloses a processing device for deep nitrogen and carbon removal of waste water and a technology thereof. The device is formed by successively connecting an anoxic denitrification biofilter, an ozone oxidation pond, an aerobiotic carbon removal biofilter and a clean water tank in series, a nitration liquid refluxing system is arranged between a water inlet of the anoxic denitrification nitrogen removal biofilter and the clean water tank. A denitrification nitrogen removal and alkali production process of the waste water is completed by an additional carbon source through the anoxic denitrification biofilter; then the waste water is enabled to flow into the ozone oxidation pond to remove part of organic matters; the waste water is enabled to flow into the aerobiotic carbon removal nitration biofilter to realize the purpose of removing the organic matters and ammonia nitrogen through fully using DO (Dissolved Oxygen) in effluent by microorganisms; finally the waste water is enabled to enter into the clean water tank, part of the waste water refluxes to the anoxic denitrification biofilter serving as refluxing nitration liquid, and part of the waste water is discharged with standard level. The processing device for the deep nitrogen and carbon removal of the waste water and the technology thereof fully use the denitrification and alkali production process, so that the influence of the DO to the denitrification nitrogen removal is avoided; the ozone tail gas and the DO in the effluent are fully used, so that the energy consumption is greatly reduced and the advantage is obvious.

The invention discloses a biochemical treatment device and for wastewater generated in production of polyester resin. The biochemical treatment device comprises an oil separator, a service reservoir, an internal circulating supporter-reinforced anaerobic jar, a biological contact oxidation pond, a facultative tank, an internal circulating anaerobic fluidized bed reactor, a membrane biological reactor (MBR) reaction tank, a clean-water reservoir, an automatic control device and a computer. The biochemical treatment device selectively degrades toxic organic matters in the polyester resin production wastewater through various treatment units, so as to greatly improve biochemical treatability of non-biodegradable organic matters, and the biochemical treatment device regulates and controls various functional microorganisms to synergistically degrade high-concentration toxic and harmful organic matters; meanwhile, the biochemical treatment device regulates water quality and quantity as well as sludge by virtue of the various treatment units, so as to provide the optimal growth condition for microorganisms having different functions and realize standard treatment of various pollutants of the wastewater. The biochemical treatment device is high in automation degree, convenient to manage, adapted to large fluctuation of water quality, stable and reliable in treatment effect, and can treat non-degradable biochemical wastewater.

The invention discloses a butterfly high-efficiency self-adaptive plastic-fiber mixed filter material filter. The filter consists of filter material monomers, wherein each filter material monomer is formed by connecting a weight-balancing core body and paired corrosion-resistant balancing filtering wing bodies in a matching way; the surface of the weight-balancing core body is made of plastic; the weight-balancing core body is ellipsoidal; the threshold of the average density p0 of the weight-balancing core body is between 1.30 and 1.50 g / cm<3>; the two ends of a long axis of the ellipsoidal weight-balancing core body are provided with balancing wing bodies respectively; each balancing wing body is made from fiber bundles consisting of artificial fiber yarns; and the inner ends of the artificial fiber yarns constituting each fiber bundle are fixedly connected to each end of the long axis of the weight-balancing core body and the other ends of the artificial fiber yarns are in a diffused state so as to form a whisker form. The filter has the technical advantages of high porosity, high filtering speed, high filtering accuracy, low resistance, high filth holding capacity, small backwashing water using amount, high periodic water yield, low operating cost, small floor area and high anti-load impact capacity.

The invention provides an anaerobic-aerobic stabilization process for high concentration organic wastewater. The process is as below: (1) wastewater is subjected to pretreatment and iron carbon micro electrolysis according to the quality and sent into a UASB anaerobic reactor for anaerobic digestion reaction; (2) UASB effluent is sent into a facultative sedimentation basin, which has the functions of an anaerobic tank; (3) liquid supernatant from the facultative sedimentation basin is sent into an SBAR aerobic reactor, wherein the sludge in the reactor is domesticated mature aerobic granular sludge, and air is introduced from the bottom of the aerobic reactor for air aeration treatment; (4) the sewage is subjected to sedimentation treatment in the aerobic reactor, and after sedimentation treatment the water flows out from a water outlet; (5) a reflux system can be set in the SBAR aerobic reactor according to quality of the outlet water, and part of the sludge in the SBAR aerobic reactor can be returned to the UASB anaerobic reactor; and (6) a reflux system can be set in the SBAR aerobic reactor according to quality of outlet mixed liquid, and part of the mixed liquid can be returned to the facultative sedimentation basin. Especially, wastewater indexes are as below: UASB inlet water preferably has COD at 1500-5000 mg / L, suspended solids less than 1500 mg / L, sulfate less than 1000 mg / L and ammonia nitrogen less than 2000 mg / L, and SBAR inlet water has COD concentration reaching 1000-1500 mg / L, ammonia nitrogen concentration less than 1500 mg / L and BOD / COD greater than 0.3.

The invention discloses a process and a device adopting an aerobic nitrification filter in middle and anoxic denitrification filters at two ends. The device comprises a two-end denitrification system and a program automatic-control system, wherein the two-end denitrification system is formed by serially connecting a front-section anoxic denitrification filter, a middle water tank, a middle-section aerobic nitrification filter, a rear-section anoxic denitrification filter and a clear water tank; the front-section anoxic denitrification filter completes the front-section denitrification process by fully using carbon sources in to-be-treated sewage, the middle-section aerobic nitrification filter completes the nitrification process, the rear-section anoxic denitrification filter completes the denitrification and advanced nitrogen removal process of remaining nitrate of an external carbon source, and the program automatic-control system adjusts the optimal operation condition of the system according to collected and analyzed data. With the adoption of the process and the device, the purpose of advanced nitrogen removal of sewage can be achieved, and the process and the device have the remarkable characteristics of saving investment cost, being low in operation cost and the like.

The invention discloses an integrated aerobic bio-membrane reactor, which is characterized by comprising a reactor body, a base and a bracket, wherein the reactor body is fixed on the base through the bracket, and is divided into a precipitation area, a water outlet area, a reaction area and a water inlet area from bottom to top; a vertical frame is fixedly arranged on the base; a sludge discharge opening is formed in the bottom of the precipitation area, and is controlled to be closed and opened by a valve; a water outlet is formed in the sidewall of the water outlet area; an aerator is arranged at the bottom of the reaction area; a lightweight carrier is arranged in the reaction area; a water distributor, a water inlet pipe and a horizontal frame are arranged above the water inlet area; a hollow aeration guide pipe is arranged in the water inlet area and the reaction area in a penetration way; and an aeration pipe penetrates through the hollow aeration guide pipe and the aerator to be connected with the aerator. A unique top-in bottom-out mode is adopted, so that air can conveniently be in contact with liquid, the turbulence flow regime of the air and the liquid in the reactor is ensured, and a good mixing effect is achieved.

The invention relates to the technical field of wastewater treatment and discloses a treatment system of high-concentration ammonia nitrogen organic wastewater. The system comprises a feed hopper (1), a homogenating tank (2), a methane tank (3), an upstream type anaerobic sludge bed reactor (4), a biological contact oxidation pond (5), a secondary sedimentation tank (11), a micro electrolytic reactor (10), a circular aeration biological filter (6) and an ozone disinfection tank (7), and the methane tank is connected with a sludge thickener (8). The invention further discloses a treatment method of the high-concentration ammonia nitrogen organic wastewater. The treatment method comprises anaerobic digestion treatment, activated sludge treatment, micro-electrolysis reaction, circular aeration biological filter biochemical treatment and ozone disinfection. The process is simple, the reaction process concentration gradient is large, and sludge is not prone to bulking; the capability to resist impact load is high, and the treatment effect is good; all working procedure time is controlled by adjusting the operation period, and at the same time, denitrification and phosphorus removal effects are remarkable.

The invention discloses a modular closed type bending machine back gauge device, which belongs to the technical field of bending machines. It includes a pair of crossbeams, an X-axis assembly, a Y-axis assembly, a Z-axis assembly, and a finger assembly; the pair of crossbeams are arranged in parallel and at intervals, and each crossbeam is provided with an X-axis assembly; the Y-axis assembly is supported on On the X-axis assembly, the X-axis assembly is used to drive the Y-axis assembly to move along the X-axis direction; the Z-axis assembly is installed on the Y-axis assembly, and the Y-axis assembly is used to drive the Z-axis assembly to move along the Y-axis direction; the stopper The finger assembly is installed on the Z-axis assembly, and the Z-axis assembly is used to drive the finger assembly to move along the Z-axis. The rear stopper device of the present invention adopts a modular design, which is independent from the bending machine, and can be installed on the bending machine as a whole at one time, and can adjust the position of the stopper up and down, left and right, front and back, to meet various stoppers It has good versatility, interchangeability and strong impact resistance.

The invention belongs to the field of waste gas treatment, and relates to an integrated advanced-treatment process for nitration and dioxin elimination of incineration tail gas. According to the integrated advanced-treatment process, the incineration tail gas containing nitric oxides and dioxin are mixed with ozone, the mixture enters an high-energy discharge reactor to be subjected to synergistic treatment of electrochemical catalysis, photocatalysis and ozone catalysis, the treated tail gas enters an alkali washing tower to eliminate the nitric oxides, and accordingly, the nitric oxides and the dioxin are eliminated at the same time. The integrated advanced-treatment process has the advantages that the electrochemical catalysis, the photocatalysis and the ozone catalysis are integrated, the nitric oxides and the dioxin in the incineration tail gas of a rotary kiln are treated, and multiple synergistic catalysis is realized, so that density of free radicals can be improved greatly, and the dioxin can be decomposed thoroughly; NO is oxidized into NO2, and the nitric oxides are turned into nitrate after the treated waste gas is subjected to alkaline washing, so that elimination and purification rate is high, and simplicity and convenience in operation are realized.

The invention relates to a high-load composite anaerobic reactor for treating high-suspension solid materials, and belongs to the technical fields of environmental protection and biomass energy sources. The anaerobic reactor comprises a circulating pump 2, a water distributing device 3, an anaerobic reactor body, an external circulating pipe (pot) 5, a top discharge opening 9, a sludge-water separator 10, and a sludge reflux pump 11, wherein the anaerobic reactor body is divided into a granule sludge bed region 4, a buffer region 6, a flocculent sludge bed region 7 and a gas collecting chamber 8 from bottom to top according to liquid flow speed difference and sludge characteristics. The anaerobic reactor is characterized in that the anaerobic reactor is the high-load composite anaerobic reactor, three separators are not arranged in the reactor, but the sludge-water separator separated from the anaerobic reactor is designed. The high-load composite anaerobic reactor disclosed by the invention realizes the purpose that when one anaerobic reactor is used, multifunctional requirements for anaerobic digestion, being plugging free, being maintenance free, simple structure, small occupied space, low construction cost, high inefficiency and the like of high suspension solid organic waste water, organic serosity and sludge can be met.

The invention discloses a method for treating sewage of circulating cooling water in a renewable water resource, and belongs to the field of wastewater treatment. The method comprises the steps that the sewage of the circulating cooling water enters an adjusting tank to adjust the water quality and the water flow, and then the sewage passes through a filter, an ozone oxidation tank, a buffering tank, an oxygen elimination tank, an anaerobic tank, an aerobiotic tank, a primary sedimentation tank, a phosphorous-removal mixing tank and a fiber filter in sequence for treatment, wherein the oxygenelimination tank is filled with bio-cord filler, the anaerobic tank and the aerobiotic tank are filled with filler, the anaerobic tank supplements external carbon source, nitrification liquid at the tail end of the aerobiotic tank flows back into the oxygen elimination tank and the anaerobic tank,, and slurry in the primary sedimentation tank flows back into the oxygen elimination tank. By means of the method, ammonia nitrogen, total nitrogen, total phosphorus, organic matter difficult to degrade and other pollutants in the renewable water resource can be removed, and the outlet water obtainedafter treatment can meet the requirements that the CODcr is equal to or lower than 30 mg / L, the total nitrogen is equal to or lower than 15 mg / L, the ammonia nitrogen is equal to or lower than 1.5 mg / L and the total phosphorus is equal to or lower than 0.3 mg / L.

The invention discloses an integrated and interchangeable rear material-blocking device of a bending machine and belongs to the technical field of bending machines. The integrated and interchangeable rear material-blocking device of the bending machine comprises a pair of beams, X-axis components, Y-axis components, Z-axis components, finger-blocking components and a balance adjusting component, wherein the beams are used for installing the X-axis components, the X-axis components are used for driving the Y-axis components to move in the X-axis direction, the Y-axis components are used for driving the Z-axis components to move in the Y-axis direction, and the Z-axis components are used for driving the finger-blocking components to move in the Z-axis direction. The balance adjusting component comprises an adjusting plate connected with the beams and a supporting plate connected with the bending machine; adjusting screw nails at two ends of the adjusting plate penetrate through the adjusting plate and props against the supporting plate; adjusting holes in two ends of the adjusting plate are internally provided with fastening screw nails which are used for connecting the adjustment plate with the supporting plate; and two sides of a hole in the middle of the adjusting plate is provided with a pair of blocking plates, a positioning column penetrates through the hole and is connected to the supporting plate, and the blocking plates are provided with locking screw nails which are used for pressing the positioning column tightly. According to the integrated and interchangeable rear material-blocking device of the bending machine, the material-blocking position is adjustable, and the integrated and interchangeable rear material-blocking device of the bending machine is of better universality, interchangeability and impact resistance, and the problem that the positioning of the material-blocking position is inaccurate due to machining and assembly errors is eliminated.

The invention relates to a gas guide type anaerobic reactor. The gas guide type anaerobic reactor comprises one or a plurality of anaerobic reaction tanks connected in series; a water inlet, a water outlet, an exhaust port and a slag outlet are formed in the outer part of each of the anaerobic reaction tanks; a feed plate, a guide plate and a sludge plate are arranged at the inner part of each of the anaerobic reaction tanks, wherein the feed plate is arranged at one side close to the water inlet; the sludge plate is arranged at one side close to the water outlet; the guide plate is arranged between the feed plate and the sludge plate; the guide plate and the sludge plate are movably connected to the inner part of each of the anaerobic reaction tanks; the feed plate and the guide plate define a sludge suspension area; the guide plate and the sludge plate define a precipitating area; a reaction area is formed in the bottom part of each of the reaction tanks. Compared with the prior art, the gas guide type anaerobic reactor has the advantages that the muddy water reaction time and the sludge precipitation time can be adjusted by controlling the volumes of the sludge suspension area and the sludge precipitating area; in addition, the gas guide type anaerobic reactor has good load to impact, and is high in fermenting efficiency, wide in applicable range, high in sludge utilization rate, low in energy consumption, simple in design, and convenient in equalization.

The invention discloses a real-time intelligent reclaimed water treatment device. The device consists of five parts, namely a regulating tank, a biochemical reaction tank, a sedimentation tank, a reclaimed water tank and a system operation controller. The system detects the water quality of inlet water and outlet water in real time; according to the detected inlet water quality index value, the total hydraulic retention time of the system is adjusted and the sludge load of the system is increased by automatically turning on or off or adjusting the output air volume of a regulating tank air blower, adjusting the sludge return amount of the sedimentation tank and the air blast amount of the biochemical reaction tank and turning on or off or adjusting the reflux amount of the biochemical reaction tank flowing back to the regulating tank in advance, so the system can well cope with large impact load; by detecting the quality of the effluent, unqualified effluent completely flows back to the regulating tank for deep treatment, so that the quality of the effluent is ensured to be qualified; and the regulating tank is used as an anaerobic nitrification tank and a primary aerobic tank according to the water quality of inlet and outlet water, and closely participates in the biochemical treatment process of the system.

The invention relates to a high-efficiency and low-energy-consumption novel sewage deep denitrification technology and a system thereof. A solid-phase carbon source denitrification tank and an inert filler denitrification tank are added behind an MABR process in a coupling manner to form an MABR + A1 + A2 combined process; or a mixed filler denitrification tank is added behind the MABR process ina coupling manner to form an MABR + A combined process. Compared with an existing A / O process, the technology disclosed by the invention has the characteristics of high treatment efficiency, small total occupied area, low total energy consumption, strong load impact resistance, no need of frequent maintenance, low operation and maintenance cost and the like when being used for treating the same water quantity, so that the control process is greatly simplified, and the operation cost is reduced. Various kinds of biochemical wastewater can be efficiently treated through the synergistic effect ofthe MABR process and the denitrification reaction tank, the COD and TN of discharged water can be effectively and stably maintained to be lower than 40 mg / L and 10 mg / L respectively, and the highestdomestic standard requirements at present are met.

The invention discloses complete equipment for solving blockage and hardening of a biological filter and a matched system thereof and a treatment process of the complete equipment. The complete equipment is formed by sequentially connecting a rotary drum micro-filter, an efficient sedimentation tank, an inner water inlet pore plate grid and a denitrification biological filter in series. By adopting the complete equipment for treatment, the problem that in the backwashing process of a biological filter system, biological ceramsite filter materials run off to an efficient sedimentation tank, a water inlet pipeline, a rapid mixing area, a flocculation reaction area and the like of the efficient sedimentation tank are blocked, and consequently normal operation cannot be achieved is solved. Theinner water inlet pore plate grid is adopted, so that the problem that a filter head of a traditional denitrification biological filter is easy to block due to fibrous impurities is thoroughly solved. An inflow water flow meter, the denitrification biological filter and an online COD, nitrate nitrogen and total nitrogen multifunctional monitoring instruments are fully utilized to realize accurateaddition of a carbon source agent, the load impact resistance is higher, continuous and stable operation of the efficient sedimentation tank is guaranteed, stable and up-to-standard discharge of effluent water of the system is economically realized, and the complete equipment has great popularization and application values.

The invention discloses a laver processing wastewater treatment facility and method capable of realizing ultra-clean discharge. The treatment facility comprises a water inlet regulating tank, a primary treatment unit, a secondary treatment unit and a tertiary treatment unit, wherein the primary treatment unit comprises a coarse screen, a fine screen, a grit chamber and a first coagulation air floatation tank which communicate with one another in sequence; the secondary treatment unit comprises a hydrolysis acidification pool and an MBR pool which communicate with each other in sequence; the lower part of the MBR pool is externally connected with a return pipe, and the return pipe is used for returning a mud-water mixed solution in the MBR tank to the hydrolysis acidification tank; the tertiary treatment unit comprises a reverse osmosis system, an electrocatalytic oxidation reaction tank and a second coagulation air floatation tank which communicate with one another in sequence; and a water inlet of the reverse osmosis system communicates with a water outlet of the MBR pool, and a concentrated water outlet communicates with a water inlet of the electrocatalytic oxidation reaction tank. A corresponding treatment process is designed according to the characteristics of pollutants in the laver processing wastewater, and the process has the characteristics of short flow, economical and efficient treatment and safe and stable operation.