448results about How to "Ensure complete removal" patented technology

The invention relates to a subsurface flow constructed wetland device for enhanced nitrogen removal in the technical field of environmental engineering. The device comprises a pretreatment settling tank, a hydraulic drop aeration well and a wetland groove, wherein the wetland groove comprises an aerobic nitrating segment, an inspection well, an anoxic denitrification segment and a water collecting well in the water flow direction; the pretreatment settling tank is used for settling suspended matters to prevent follow-up structures from being blocked; hydraulic drop steps are arranged in the hydraulic drop aeration well to increase the dissolved oxygen concentration; active substrates capable of adsorbing ammonia nitrogen are filled in the aerobic nitrating segment, a perforated aerator pipe is vertically inserted and vascular plants are planted to increase the dissolved oxygen concentration in the packing layer, so that the smooth generation of the nitrification is guaranteed; a secondary water inlet pipe is connected into the inspection well to supplement the carbon source that the denitrification requires; efficient phosphorus removal substrates are filled in the anoxic denitrification segment to generate the denitrification, adsorb and remove phosphorus pollutants; the water collecting well is used for collecting treating water and discharging the water out of the device finally. Compared with the prior art, the device disclosed by the invention has the advantages that nitrogen in sewage is well treated and both the total nitrogen removal rate and the ammonia nitrogen removal rate can be up to more than 80%.

The invention discloses a preparation method for an efficient oil absorption carbon aerogel material. The preparation method comprises the steps that firstly 1 part by weight of carbon nano tubes and 0.01 part of a surface active agent are dispersed into 4-10 parts of ethyl alcohol to obtain carbon nano tube dispersion liquid; next, the carbon nano tube dispersion liquid is slowly added into stirring graphene oxide dispersion liquid to form graphene oxide-carbon nano tube dispersion liquid; then reduction is conducted on the graphene oxide-carbon nano tube dispersion liquid by the adoption of a chemical hydrothermal reduction method to obtain graphene oxide-carbon nano tube hydrogel; finally, freeze drying is conducted on the hydrogel to obtain aerogel. According to the preparation method for the efficient oil absorption carbon aerogel material, firstly, the carbon nano tubes are dispersed into the dispersion liquid containing the ethyl alcohol and the surface active agent, then self-assembly is conducted with the high-dispersibility graphene oxide, the technology is simple, the obtain three-dimensional graphene oxide-carbon nano tube effectively combines advantages of the graphene oxide with advantages of the carbon nano tubes, good adsorption performance and mechanical strength are achieved, and the wide application prospect in the field of oil and gas fields is achieved.

The invention relates to a method for preparing a freeze-dried microbial agent of kluyveromyces marxianus and application of the freeze-dried microbial agent. The freeze-dried microbial agent is prepared by the aid of high-density fermentation culture and freeze-drying technologies. The kluyveromyces marxianus is preserved in the Common Microorganism Center of the China Committee for Culture Collection of Microorganisms, called as CGMCC for short, on April 27th, 2010, the preservation number of the kluyveromyces marxianus is CGMCC NO.3781, and the strain number is A3. The method and the application have the advantages that the viable cell number of high-density culture solution of the kluyveromyces marxianus can reach 3.2*10<8> cfu / mL at least and is higher than culture results of YEPD (yeast peptone dextrose) culture media by 1.1 order of magnitude at least; zymocyte solution is centrifuged, then bacterial sludge is collected and is added into cryoprotectant solution, the freeze-dried microbial agent can be prepared by the aid of the vacuum freeze-drying technologies, protectants for the freeze-dried microbial agent comprise maltose and skimmed milk powder, and the freeze-dried viable bacterium rate can reach 75% at least; the freeze-dried microbial agent is high in bacterium content, long in storage time, convenient to use and free of pollution, is environmentally friendly and can be used for fermenting milk beer and cheese and making whey wine, fruit vinegar, fruit juice and the like, processes for preparing the freeze-dried microbial agent are simple, and the like.

The invention discloses a SiC / epoxy epoxy resin composite material, wherein raw material components based on weight percentages are as follows: 75-85 wt% of SiC particles, 15-25 wt% of organic component and coupling agent with a mass of 1.5-2.5% of the organic component; the particle size distributions of the SiC particles are as follows: 500-600 microns taking up 65-75 wt%, 100-150 microns taking up 2-30 wt% and 30-40 microns taking up 5-10wt%; the organic component is composed of epoxy resin and curing agent; the mass ratio of the epoxy resin to the curing agent is 3: 1. A preparation method for pump component with SiC / epoxy epoxy resin composite material, comprising the following steps: (1), heating and stirring in vacuum way; (2), pressure pouring; (3), vacuum vibrating and forming; (4), heating and curing. The invention is characterized by simple technology and low production cost. The prepared SiC / epoxy epoxy resin composite material pump component can resist abrasion and corrosion.

The invention relates to an elution-method soil remediation process. The process comprises the steps of feeding, performing preliminary screening separation, performing fine screening separation, performing acid mixing pool oxidization, performing solid-liquid separation, reducing metal ions, precipitating metal ions, flocculating organic insoluble substances, performing precipitation separation and performing filter pressing treatment. The process has the beneficial effects of adopting preliminary screening eluting and fine screening eluting for separating heavy metal ions and other pollutants into water from soil, combining the metal ions and anions in acid through oxidization in two-stage acid mixing pool, dissolving the mixture in water, performing centrifugal separation, reducing pollutant-containing water through an alkali pool, reacting the water and hydroxyl to separate precipitates from sewage, flocculating the precipitates and settling the precipitates in a four-stage settling pond for solid-liquid separation, wherein the separated water can be recycled to be used for preliminary screening eluting and fine screening eluting, the pollutant-containing solids are discharged and then fed into a filter press for filter pressing recovery, and water, which is generated in the filter pressing process and contains a few of pollutants, is fed back to a sewage pool for treatment and separation again.

The invention relates to a backwash filter, which comprises a case with medium inlet, outlet and a dirt outlet; an upper cover; a ball valve connected with the dirt outlet; a filter screen with filter hole inside the case; and a baffle ring at the upper part of case which is the improvement of said invention. Wherein, the upper cover has a lower end inserted into the inner chamber of case; the filter screen is radially mounted inside the case and moves upwards and downwards along the case; a spring is mounted between the filter screen and the inner bottom of case; the blade wheel via medium can transfer the hydraulic energy into the flowing energy to drive the rotation movement; a shoulder part is arranged on the filter screen to adjust the medium flow and via switching the contact between it and the lower end or the baffle ring, it can realize the switch between the filtration and the washing. The invention has simple structure which can effectively washing out the foreign material embedded in the filter hole, without power supply, and more filter screens can be used to improve the purity of filter medium.

The invention relates to a blade-free automatic copying fish scale scraper; the blade-free automatic copying fish scale scraper comprises a frame and is characterized by further comprising a scaling device, a swinging mechanism and a power transmission mechanism, wherein the equipment has the advantages of high automation degree and short machining time and can effectively adapt to variations of fish types, sizes and surface curves; distances between scaling rollers can be automatically adjusted according to the size of a fish body during scaling; a scaling tool contains no blade, so that no damage can be caused to fish flashes during scaling; and tender and delicious fish flashes can be preferably protected.

The invention relates to a two-dimensional ultrasonic vibration polishing device and a two-dimensional ultrasonic vibration polishing method, and belongs to the technical field of machine manufacturing. A two-dimensional ultrasonic vibration polishing tool is fastened to the z-axis of a machine tool by screws; a workpiece fixture is fastened to the x-axis of the machine tool by the screws; and the x-axis, the y-axis and the z-axis of the machine tool are fixedly connected with a machine tool main body after debugging. The two-dimensional ultrasonic vibration polishing device provides elliptical vibration in a polishing tangent plane, vibration signals of an x-direction ultrasonic vibrator and a y-direction ultrasonic vibrator are coupled to form two-dimensional vibration at a pivoting joint, and are output to a polishing head, the polishing head acquires a perfect instantaneous random motion track in a processing area, and motion composited by the vibration is polishing primary motion, so that a polishing force can be controlled to be stable on the premise that no polishing head rotates; the polishing head has high profile modeling capability, so that various complicated curved surfaces can be processed; deterministic polishing is realized; stable and uniform removal of a polishing material is realized; and high-efficiency and high-quality polishing can be realized simply by controlling the polishing force.

The invention relates to steel for a Ca microalloying free-cutting high-strength expansion-breaking connecting rod. The steel is prepared from, by mass percent, 0.25%-0.60% of C, 0.10%-1.20% of Si, 0.40%-1.50% of Mn, 0.05%-0.50% of Cr, 0.02%-0.15% of S, 0.02%-0.15% of P, 0.03%-0.55% of V, 0.0005%-0.0080% of Ca, 0.002%-0.035% of N, 0.002%-0.080% of Al, not larger than 0.02% of Ti and the balance Fe and inevitable impurity elements. The steel is subjected to smelting, continuous casting, heating, hot rolling and cooling, and the structure characteristic is uniform ferrite and pearlite. According to the steel, key elements in the steel are optimized, Ca microalloying is especially adopted, and the steel for the expansion-breaking connecting rod with high strength, good cutting machinability, good expansion-breaking performance and excellent comprehensive performance is obtained, and the design requirements for engine light weight, economical efficiency and driving comfort are met.

The invention relates to a gantry type rough and finish composite five-axis precision machine tool and a processing method thereof and belongs to the field of precision machine tools. A rack is horizontally arranged; an X-Y feeding component is installed on the rack; a two-axis turntable component is installed on the X-Y feeding component through a Y-direction sliding plate; a sharp knife processing component and a fast removing component are installed on the two sides of a middle cross beam in a gantry shape through a guide rail seat and a vertical plate respectively; and a detector is installed on a sliding plate of the sharp knife processing component. The gantry type rough and finish composite five-axis precision machine tool has the characteristics of high processing efficiency and processing precision and can meet the processing precision requirement for rough milling semi-finish milling; by adopting a five-axis linkage processing method, multi-angle flexible processing can be realized, and the processing process from a blank to a finished product can be completed at one time; as a two-axis turntable is compact in structure, high in rotation precision and good in rapid response characteristic, the gantry type rough and finish composite five-axis precision machine tool has better use reliability; and with three-direction rotation and one sharp knife feeding system moving in a longitudinal feeding direction, multi-dimensional adjustment of a milling cutter processing angle is realized.

The invention discloses a sewage disposal system and a sewage disposal method for combination of a membrane reactor and phosphor recovery. The system comprises a biological treatment subsystem and a phosphor recovery subsystem, wherein the biological treatment subsystem is formed by connecting an anoxic tank and a membrane reactor; a sewage inlet of the anoxic pond is connected with a sewage supply pipe for introducing sewage to be treated; the phosphor recovery subsystem is formed by connecting a mixed tank, an anaerobic phosphor release tank, a mixed reaction tank and a settling tank in turn; and a sludge miscible liquor outlet of the membrane bioreactor of the biological treatment subsystem is communicated with a water inlet of the mixed tank of the phosphor recovery subsystem. The system solves the problem that the sludge age required for biological denitrogenation and dephosphorization in the prior sewage disposal system is conflicted with each other, and can meet the demand of not only effectively performing denitrogenation and dephosphorization but also recovering phosphor for reutilization to the maximum degree under the condition of sewage disposal.

The invention discloses a method for treating micro polluted water by using a biological nitrogen removal and physicochemical enhanced phosphorus removal combined process, and belongs to the technical field of water pollution purification treatment. The inlet water enters a biological contact oxidation tank through a lifting pump, and flexible fibers are used as a film forming filler and a rotary fan is adopted for aeration in the tank; the outlet water overflows to a quick filter tank, the bottom of the tank is provided with a backwashing pipeline, and the tank is periodically backwashed to avoid blockage; the outlet water of the quick filter tank passes through a deoxidization tank from bottom to top, so dissolved oxygen (DO) in the water is reduced, and a favorable condition is provided for subsequent denitrification; an facultative tank realizes denitrification by adopting a camphorwood leaf and ceramsite combined filler to remove TN; the outlet water flows into a flocculation reaction tank and is subjected to enhanced coagulation with stirring; and soil-liquid separation is performed in a phosphorus removal sedimentation tank, and the supernate flows through an anthracite filler device from bottom to top and finally flows into a lake. The method ensures that the substances such as chemical oxygen demand (COD), NH4+-N, NO3--N, TN, TP, SS, Chla and the like in the outlet water are furthest removed, and the outlet water reaches the class III water quality standard of Environmental Quality Standards for Surface Water (GB3838-2002).

The present invention provides an image forming apparatus and an image forming method, a control program therefor. The image processing control unit identifies a type of a conveyance failure among a plurality of types of conveyance failures based on the status of the recording medium output from the conveyance failure detection unit and sends a conveyance failure correction signal to perform an operation for retracting the carriage to a predetermined or desired position in the extension part along the main scanning direction.

The present invention relates to tail gas treating process and apparatus, and is especially process and apparatus for treating high temperature fume containing acid gas, heavy metal, dioxin and other toxic gas from incinerating solid waste. The treating process includes the first reaction of the high temperature fume with deacidifying agent, active carbon and atomized water to eliminate toxic gases, and the subsequent reaction in a bag-type dust remover with one emergency passage for reaching high waste gas treating effect. The apparatus for treating high temperature fume has simple structure, low cost, low running expense, and long service life.

The invention relates to an air purification device for removing volatile organic pollutants. The air purification device comprises an outer wall arranged on a base plate. An upper part of an inner side of the outer wall is provided with an air inlet. The top of the air inlet is connected to a protective cover by a support rod. The bottom of the air inlet is connected to a filtration chamber. An air conduit is connected to the bottom of the filtration chamber. The air purification device is characterized in that the filtration chamber is orderly connected to a volatile organic pollutant analysis meter, a combustion chamber and an absorption chamber by the air conduit; and an exhaust fan is arranged below the absorption chamber. The air purification device realizes reasonable arrangement of air purification points, utilizes physical filtration, concentration analysis, clean combustion, flue gas absorption, purified air uniform-distribution and tempering processes, and utilizes an air purification principle to effectively solve the problem of pollution caused by dust and volatile organic pollutants in a coking zone.

The invention discloses a garbage leachate treatment process; a garbage leachate is treated by an adjusting pool, an anaerobic biological treatment unit, a minisize anaerobic-aerobic treatment unit, a membrane bioreactor and an evaporation system (MVC) in turn, and through evaporation, distilled water formed from water and ammonia reaches standards and is discharged after passing through a cation-anion resin exchange system; non-condensable gas reaches standards and is discharged after passing through a deodorization system, and a concentrate is discharged out of the evaporation system; the garbage leachate treatment process is respectively subjected to anaerobic biological treatment, minisize anaerobic-aerobic treatment and membrane bioreactor treatment before evaporation treatment, so as to greatly alleviate the operation burden of the evaporation system (MVC), relieve the fouling problem of the evaporation system (MVC) to a largest extent and reduce the frequency of cleaning; the garbage leachate treatment process is applicable to treatment of conventional high-COD and high-NH3-N garbage leachates, at the same time, is applicable to treatment of leachates with different landfill ages or different types through adjustment of related process parameters, and effectively relieves the burden of process operation.

The invention provides a method for making an air bridge and an inductance. The method mainly comprises the following steps of: making a first sacrifice adhesive layer on a substrate by a photoresist; coating the photoresist on the first sacrifice adhesive layer to make a second sacrifice adhesive layer, wherein the length of the second sacrifice adhesive layer is less than that of the first sacrifice adhesive layer; ensuring the corners of the sacrifice adhesive layers smooth and cured by baking so as to form an arch air bridge supporting substrate; evaporating by an electronic beam to make a seeding layer; and electroplating a metal material layer on the seeding layer; removing the seeding layer by adopting a corroding method and removing the sacrifice adhesive layers by adopting an organic solvent so as to form the air bridge. According to the invention, the photoresist is used to make two sacrifice adhesive layers, so that the performance of the air bridge can be improved, the process efficiency also can be improved and the damage to a device in the making process is reduced; and meanwhile, a highly toxic reagent is also avoided, so that the environment is protected.

The invention relates to the field of deep chemical milling of titanium-alloy large-scale cylindrical parts, in particular to a deep chemical milling method of TA12 and TA15 titanium-alloy large-scale structural components. The deep chemical milling method comprises the following technological lines: degreasing, washing, pickling, washing, coating with a protecting adhesive, marking, removing a protecting adhesive film on a to-be-milled surface, chemically milling and conducting vibrating finishing. The method comprises the following steps: a titanium-alloy cylindrical part is processed into a thin-walled grid rib by adopting a deep chemical milling technology, and the thin-walled grid rib is primarily marked and chemically milled to obtain a chemical milling machine case shell with all mounting bases. The manufacturing of integral, thin-walled and grid-shaped titanium-alloy large-scale cylindrical structural components is completed by adopting the titanium-alloy deep chemical milling technology, and the requirement that the large-scale cylindrical parts are chemically milled to form the grid-shaped structure is met; and deformation, caused by machining, is avoided fundamentally, the problem of low strength caused by welding is solved, the overall rigidity of the component is improved, and besides, the production cycle is shortened, and the structural weight is reduced.

The invention provides a deep nitrogen and phosphorus removal process for a surface water body. The process mainly comprises six working sections, such as contact oxidation, rapid filtration, anaerobic denitrification, flocculation reaction, phosphorus sediment removal and phosphate removal through adsorption. The process is realized on the basis of improvement, strengthening and combination of the traditional treatment processes integrates a biological method, a chemical method and a physical method and is used for removing various pollutants in the water body effectively; the sewage purifying efficiency is remarkably increased; and an entire treatment device is free from odor and secondary noise pollution; a natural flow type combination mode is adopted in the design without any multistage elevating pump or reflux pump; a back washing system is arranged in a rapid filter and used for periodic back-washing, so that the problems of blocking and power consumption are solved; and the entire process has the advantages of full automation, no need of manual guard, and convenience for management and maintenance.

The invention discloses a test method for measuring maximum dry density of soil and stone mixture of a road subgrade. The test method comprises the following steps of loading samples into a test die by two times, fixing onto a vibration compaction test instrument, and performing vibration compaction for two times, wherein the vibration compaction time is 50s each time, the parameter setting of the compaction test instrument is as follows: the vibration frequency is 25Hz, the excitation vibration force is 5.5kN, the nominal vibration amplitude is 1.4mm, the loading mass is 110+ / -2kg, the unloading mass is 170+ / -2kg, the eccentric block included angle is 0 degree, and the pressure of the static surface is 109kPa; testing the water content of each sample, and calculating the dry density of each sample; repeating the compaction test for five times, and drawing the dry density-water content relationship curve, wherein the transverse coordinate is the water content, and the longitudinal coordinate is the dry density; the dry density corresponding to the curve peak is the maximum dry density roudmax, and the corresponding water content is optimum water content omega0. The test method has the advantages that the operation is simple and convenient, the results are reliable, the variance is small, and the destroy to the raw materials is small.

A groove forming method comprises the steps of providing a silicon substrate which comprises a first area and a second area; performing plasma etching on the silicon substrate, wherein the plasma etching comprises the steps of performing etching of a first stage, forming a first opening and a second opening in the silicon substrate, and enabling the width of the first opening to be smaller than that of the second opening; performing oxidation of a second stage, forming a first oxidation layer at the bottom and a side wall of the first opening, forming a second oxidation layer at the bottom and a side wall of the second opening; performing etching of a third stage, etching and removing the first oxidation layer and the second oxidation layer of a partial thickness; performing etching of a fourth stage, forming a third opening and a fourth opening; and repeating the steps of oxidation of the second stage, etching of the third stage and etching of the fourth stage until a plurality of first grooves are formed in the first area of the silicon substrate and a plurality of second grooves are formed in the second area of the substrate. The influence on the etching process caused by the etching load effect is effectively eliminated.

A freeze-dried powder injection of spartase for supplementing electrolyte and treating arrhythmia, myocarditis sequelae, congestive heart failure, myocardial infarction, etc is prepared through reaction between L-aminobutanedioic acid and magnesium oxide, ultrasonic treating, cold storage, ultrafiltration, adding the filtered liquid prepared from potassium hydroxide and mannitol, filling in containers in dark condition, freeze drying and sealing.

The invention provides a gastrodine injection, which comprises the forms of gastrodine water for injection and metal chelating agent, the invention also discloses its preparation and use. Wherein the preparation comprises depositing gastrodine with water, cold storing, ultrafiltration technology processing, and sterilizing. The injection can be used for treating brain trauma, megrims, nerve pain, cephalodynia and neurasthenia.

The invention provides an electrochemical system for treating ship domestic sewage. The electrochemical system comprises a sewage storage box (2), a first-grade electrolytic tank (3), a second-grade electrolytic tank (4), a membrane filtering tank (5), a combustion furnace (12) and an electric control device (1), which are connected in sequence, wherein the electric control device is used for controlling a liquid level control switch (7), power supplies of the first-grade electrolytic tank and the second-grade electrolytic tank, and a slag scraping machine (13) to operate; the second-grade electrolytic tank is internally provided with the slag scraping machine (13) and a precipitation device of an inclined plate or inclined pipe (8); a mud discharging bucket (9) is arranged below the inclined plate or the inclined pipe; flocculated residues collected by the slag scraping machine (13) and the mud discharging bucket (9), and solid particles filtered by a fine grid (6) in the sewage storage box are conveyed to the combustion furnace (12) connected with the slag scraping machine (13) and the mud discharging bucket (9) and the sewage storage box. The electrochemical system provided by the invention can be used for treating COD (Chemical Oxygen Demand), ammonia nitrogen, TN (Total Nitrogen) and TP (Total Phosphorus) in sewage to reach conference standards and has the advantages of high treatment efficiency, simplicity in operation, small occupied area and impact load resistance and the like.

A textile carding machine has a feed roller advancing a non-woven fibres to a separation roller. The foreign body separation hole is disposed in the discharge roller zone to separate the fiber and the foreign body. The outlet has a discharge passage with a discharge zone and an air flow zone. The foreign body outlet zone is disposed in the zone of foreign body separation hole and separated from the air flow zone. A curtain is arranged in the foreign body separation zone and air flow zone for the purpose of preventing against interference of the discharge of the foreign body inside the air flow.

The invention discloses a multistage and multistep screening machine used for short-pedicel aconite root seeds. The multistage and multistep screening machine comprises a winnowing box, a screening box and a damping base plate. The winnowing box and the screening box are arranged at the top end of the damping base plate. Multiple supporting legs are evenly arranged at the bottom end of the dampingbase plate. A feeding hole is formed in the top end of the winnowing box. A first slag discharging pipe is connected to the top of the left side end of the winnowing box in a communication manner. The right side wall of an inner cavity of the winnowing box is fixedly connected with a gas spraying device. A first screening net is arranged at the middle portion of the inner cavity of the winnowingbox. Supporting plates are arranged on the left side wall and the right side wall of an inner cavity of the screening box. A second screening net is arranged at the top ends of the two supporting plates. The bottom end of the screening box communicates with a discharging hole in a communication manner. By means of the multistage and multistep screening machine used for short-pedicel aconite root seeds, the gas spraying device is used for winnowing the seeds, and stem leaves and shriveled seed impurities in the seeds are removed; and the first screening net is arranged for screening fine solidparticle impurities, the second screening net is arranged for conducting large particle impurity screening, rounds of screening are conducted step by step and are matched, and it is ensured that the impurities of the seeds are completely removed.

The invention discloses a long vehicle low-temperature steaming technology for fiber textiles and equipment. The technology comprises the following steps of (1) preparing gray cloth, (2) singeing, (3) desizing, (4) scouring, (5) rinsing and (6) drying. The invention further discloses long vehicle low-temperature steaming equipment for fiber textiles. The equipment comprises a scouring mechanism. The scouring mechanism has an immersion barrel and a steaming case connected with the immersion barrel, wherein the steaming case is provided with a case body equipped with an accommodating cavity; a steaming cavity steaming and heating textiles and a temperature balancing cavity preventing steam coagulation and on the upper part of the steaming cavity are disposed in the case body; the case body is equipped with a first steam supplying assembly and a second steam supplying assembly both providing high-temperature steam to the steaming cavity and the temperature balancing cavity. The steaming equipment can effectively reduce equipment energy consumption, save energy and improve production efficiency; and the long vehicle low-temperature steaming technology has short circulating, high efficiency, and can reduce water and energy use.

The invention discloses a sewage continuous drainage interval activated sludge process disposal technology. The sewage enters a catch pit and a grille pool from the pipe network collection and stay. An overflow pipe is near the catch pit. The garbage is intercepted by a buried grille pool and conducts sand setting and reducing processing via a digestive and adjustive pool functioning as adjusting the water volume, acidification and hydrolysis, and finally enters the sewage continuous drainage interval activated sludge process (XUCE) biochemical pool. The buried grille pool has four lattices and works alternatively to reach the aim of phosphorus and nitrogen removal, and removes various contaminations to make the sewage drained reaching the standard or reuse after through the disposal technology. The XUCE disposal technology is advanced, free from noise and smell, convenient in management, low in operation cost and easy in maintenance.

The invention discloses a spiral pipe bending machine and a pipe bending method. The spiral pipe bending machine structurally comprises a machine frame, and a control system, a main shaft rotating mechanism, an auxiliary main shaft concentration mechanism, a spiral pipe pitch regulating mechanism and a spiral feeding mechanism which are arranged in the machine frame. The spiral feeding mechanism and the spiral pipe pitch regulating mechanism are designed, and therefore a fixed manner of a traditional spiral rod is completely replaced, the pitch of a spiral pipe can be regulated to be freely changed in the pipe bending process, the bending work of spiral pipes of different types can be completed on a machine table, the whole operation process is easy and rapid to operate, operation difficulty can be greatly lowered for personnel, and the application range is wide.