1564 results about "Water processing" patented technology

The present invention relates to the technical field of boiler drain treatment, and specifically to a headless full thermal deaerator for collecting boiler drain, comprising: a deaerator, a connecting shell and a base, the connecting shell is located outside the deaerator, the base is located at the bottom of the deaerator and the connecting shell, the end of the deaerator away from the deaerator is fixedly connected with a drain inlet pipe, the drain inlet pipe extends to the inside of the deaerator and is fixedly connected with a drain dispersion head, the inside of the drain inlet pipe and one end close to the drain dispersion head is provided with a guide component, the outside of the drain dispersion head is provided with a drain water separation tray, the end of the drain water separation tray away from the drain dispersion head is provided with a softened water pipeline, the end of the connecting shell close to the deaerator is fixedly connected with a sealing component, the connecting shell is connected to the deaerator through the connecting component, and a buffer component is provided inside the base. The beneficial effects of the present invention are: boiler drain is recycled, the deoxidizer and steam are mixed, the steam consumption for deoxidation is reduced, the thermal efficiency of the boiler is improved, and high efficiency and energy saving are achieved.

A clothes dryer using an LED light source is proposed. Instead of using a heater, a blowing fan, and a heat exchanger, the clothes dryer employs a plurality of LED light source modules provided in a body and efficiently arranged therein and an air circulation structure of an air circulation part having a blowing fan arranged in the inner rear side thereof, and is configured to sterilize air through an air sterilization part, absorb and dry moisture by a ceramic filter, and then finally discharge the air to the outside through an exhaust fan. Therefore, without requiring a separate water discharge treatment process in an existing method, the clothes dryer can achieve efficient drying of clothes and drying of clothes without damage.

The invention discloses a method for realizing pure pore size regulation and control of a silicon carbide ceramic membrane, which comprises the following steps of: a) adding silicon carbide, sodium carboxymethyl cellulose and a dispersing agent into water, and uniformly ball-milling to obtain spraying slurry; and b) spraying the spraying slurry to the surface of a silicon carbide ceramic membrane to be regulated and controlled, naturally airing, carrying out vacuum drying at 75-85 DEG C for 2-5 hours, putting into a high-temperature furnace, carrying out vacuum sintering at 800-1200 DEG C for 1-3 hours, putting into a muffle furnace, and carrying out oxidation sintering at 700-900 DEG C for 25-45 minutes. According to the method, the pore size of the silicon carbide ceramic membrane can be subjected to pure regulation and control, operation is easy, cost is low, large-scale production is easy to achieve, the influence on the thickness of an original membrane is small, the membrane layer firmness is good, the filter flux of pure water is still high, and the application value of the silicon carbide ceramic membrane in water treatment is remarkably improved.

The invention discloses wastewater treatment circulating equipment for water-based ink production, and relates to the technical field of wastewater treatment.The wastewater treatment circulating equipment comprises a box body, a bottom plate is fixedly connected to the bottom face of the box body, mounting grooves are formed in the two sides of the bottom plate, and a control panel is fixedly mounted on the surface of the box body; a drainage pipe is fixedly connected to one side of the box body, a valve is arranged on the drainage pipe, a frame is fixedly installed on the surface of the box body, handles are fixedly connected to the two sides of the frame, supporting plates are fixedly connected to the front side and the rear side of the frame, and supporting plates are fixedly connected to the supporting plates. The device is reasonable in structure, a mixed solution in the box body can be fully reacted conveniently through cooperative use of the adjusting assembly and the stirring assembly, and then liquid attached to the surfaces of the stirring blades is scraped off through the control assembly.

A ceramic membrane, and a process for producing a ceramic membrane. In the process for the production of a ceramic membrane the ceramic membrane is produced by additive manufacturing. The ceramic membrane comprises a membrane portion comprising pores. A nano-and / or micro-particle is formed in-situ from a nano- and / or micro-particle precursor during the additive manufacturing process and / or post-processing step. The ceramic membrane comprises the in-situ formed nano- and / or micro-particle, or residue thereof, arranged within the pores of the membrane portion. Also described is a water treatment module including the ceramic membrane.

The invention relates to the field of wastewater treatment, in particular to an online analysis method and system for ink-jet printing wastewater treatment data, and the method comprises the steps: obtaining the water quality, process and equipment state parameter data of ink-jet printing wastewater based on each sensor, and constructing an original data matrix through preprocessing; decomposing the matrix, selecting a preset number of principal components for reconstruction, and generating a reconstructed data matrix; a reconstruction error is calculated by analyzing the difference between an original matrix and a reconstruction matrix, a correlation distortion index is analyzed based on row vector similarity, and an objective function is constructed to determine the number of optimal principal components; and clustering is carried out by using reconstruction errors and distances, abnormal data points are screened, and process parameters are regulated and controlled. According to the method, by optimizing the number of principal components and improving clustering analysis, the noise interference problem under complex water quality changes is effectively solved, the anomaly detection precision and the system stability are remarkably improved, and the robustness and the adaptability of an ink-jet printing wastewater treatment system are enhanced.

The utility model discloses a dosing device for boiler water treatment, which comprises a bottom plate, a medicine cylinder is fixedly mounted at the top of the bottom plate, a cover plate is fixedly mounted at the top of the medicine cylinder, square tubes are fixedly mounted on two sides of the top of the cover plate, strip-shaped grooves are formed in two ends of each square tube, and the strip-shaped grooves are communicated with the bottom plate. Springs are fixedly installed at the bottom ends of the interiors of the square pipes at equal intervals, movable plates are movably installed in the strip-shaped grooves, and vertical plates located in the square pipes are fixedly installed between the movable plates. According to the chemical adding device for boiler water treatment, in the daily use process, an operator starts a rotating motor, the rotating motor operates to enable a rotating shaft and a cam to rotate, then the outer surface of the cam touches the top of a carrying plate every time the outer surface of the cam rotates by a circle, and at the moment, the carrying plate drives a vertical plate to slide in a square pipe; and then, the vertical plate can drive the moving plate to slide in the strip-shaped groove, and meanwhile, the vertical plate can compress the spring.

The invention discloses a sewage treatment device, and belongs to the field of sewage treatment.The sewage treatment device comprises a treatment box, a primary filtering chamber, a secondary filtering chamber and a dosing chamber, the primary filtering chamber, the secondary filtering chamber and the dosing chamber are sequentially arranged in the treatment box, the two ends of the secondary filtering chamber communicate with the primary filtering chamber and the dosing chamber correspondingly, and a filtering cylinder is vertically and rotatably arranged in the secondary filtering chamber; the filter cartridge is connected with a rotary driving motor fixed at the top end of the treatment box through a belt pulley and a belt, and a backwashing mechanism is also arranged on one side of the filter cartridge and is communicated with a water outlet of the secondary filter chamber. By adopting the sewage treatment device, efficient, reliable and energy-saving sewage treatment is realized through multi-stage filtration, efficient backwashing, automatic operation and modular design, and the sewage treatment device is suitable for being applied to various sewage treatment scenes.

The invention relates to the technical field of electric digital data processing, in particular to an intelligent control method and system for boiler wastewater treatment, and the method comprises the steps: obtaining the fluctuation degree of boiler wastewater equipment at a current time node, the fluctuation degree is positively correlated with the abnormal degree of the boiler wastewater equipment at the current time node and is negatively correlated with the dynamic lag time of the boiler wastewater equipment at the current time node; and inputting the fluctuation degree into an improved machine learning model, inputting an operation state of the boiler wastewater equipment at the current time node, and controlling start and stop of the boiler wastewater equipment based on the operation state. The problem that an existing machine learning model is not high in prediction accuracy is solved.

The invention provides a water supply control method and device, clothes treatment equipment and a storage medium, and the method comprises the steps that first water supply treatment and second water supply treatment are executed based on a clothes treatment instruction, and the first water supply treatment is located before and / or after the second water supply treatment, the first water supply treatment comprises the step of supplying water to a clothes containing device of the clothes treatment equipment through a first water supply pipeline, the first water supply pipeline communicates with the clothes containing device through an air outlet channel of the clothes treatment equipment, and a filter screen used for filtering airflow in the drying treatment process is arranged in the air outlet channel; the second water supply treatment comprises supplying water to the clothes accommodating device through a second water supply pipeline, and the second water supply pipeline is communicated with the clothes accommodating device through a clothes treating agent box of the clothes treating equipment. According to the technical scheme, the filter screen is cleaned before and / or after water is supplied for clothes treatment, the ventilation area of the filter screen is increased, and the drying effect in the clothes treatment process can be effectively improved.

The invention discloses a flocculation sedimentation tank for sewage treatment in oxford fabric production, and belongs to the technical field of oxford fabric production, the flocculation sedimentation tank comprises a tank body, a water inlet pipe is arranged on the upper side of one end of the tank body, a drainage pipe is arranged on the lower side of the other end of the tank body, and isolation plates are mounted on the two sides in the tank body; according to the invention, by arranging the collecting assembly, a collecting box is placed on a lifting plate, and supporting strips on two sides of the lower end of the collecting box enter grooves in the upper end of the lifting plate, so that the collecting box and the collecting box can be separated into a first water storage tank, a second water storage tank and a third water storage tank; a first magnetic strip at the lower end of a supporting strip and a second magnetic strip in a groove are adsorbed to adsorb and fix a collecting box, flocculation groups are guided into the collecting box through an inclined plate during flocculation work, meanwhile, when a lifting plate ascends, the inclined plate moves to clean the side edge of a separation plate, and the collecting box can be taken out of the lifting plate through a lifting rod to be cleaned. By arranging the mounting assembly, flocculation groups can be collected, and centralized collection and cleaning of the flocculation groups are facilitated.

The invention belongs to the technical field of metallurgical steelmaking production, and particularly relates to a control method for B-type inclusions in ultralow-sulfur steel. The production process comprises the steps of molten iron treatment, converter smelting, LF refining, RH refining, calcium treatment and soft blowing, continuous casting and hot rolling, and is characterized in that in the calcium treatment and soft blowing process, after RH is finished, a calcium line is fed for calcium treatment, the content of calcium in molten steel is reduced, and the content of calcium in tundish molten steel is controlled to be 5-10 ppm; the total air volume of soft blowing is controlled to be 80-180 NL / min, and the soft blowing time is controlled to be 7-12 min. According to the method, large-size CaO-Al2O3 series and CaS-CaO series inclusions do not exist in the molten steel, the large-size strip-string-shaped inclusions are obviously improved after hot rolling, and the cleanliness of the molten steel and the product quality are obviously improved; meanwhile, the consumption of calcium lines in the production process is reduced, and the production cost is reduced.

The invention discloses a digital control integrated system for an auxiliary workshop of a power plant, and relates to the field of digital control, which comprises the steps of configuring sensor layout and measuring points, acquiring operating parameters based on sensors, acquiring processing parameters based on sensors, acquiring noise data based on sensors, and acquiring parameters of a heat supply system based on sensors. A multi-level sensor arrangement and operation parameter acquisition module, an industrial Ethernet control and multi-protocol interconnection communication module, a dynamic threshold comparison and combined cycle working condition analysis module and a cooperative control and multi-system synchronous scheduling module are configured in a power plant auxiliary workshop. The closed-loop monitoring and secondary correction control module and the historical database archiving and optimization learning module realize unified acquisition, centralized control and intelligent optimization of a gas turbine control system, a steam turbine control system, a waste heat boiler control system, a chemical water treatment control module, an environmental protection monitoring system and a heat supply system adjusting device.

The invention relates to the technical field of wastewater treatment, in particular to an SME-DT efficient catalytic oxidation wastewater treatment device which comprises a catalytic oxidation tank, the catalytic oxidation tank comprises a positive electrode cylinder, a negative electrode cylinder, a first baffle, a second baffle, a first disc and a second disc, one end of the positive electrode cylinder and one end of the negative electrode cylinder are fixedly connected with the first baffle, and the other end of the positive electrode cylinder is fixedly connected with the second baffle. The inner wall of the negative electrode cylinder is fixedly connected with a first disc, a gap is reserved between the axis of the first disc and the positive electrode cylinder, the outer wall of the positive electrode cylinder is fixedly connected with a second disc, and a gap is reserved between the second disc and the negative electrode cylinder; the first baffle communicates with a water inlet pipe, and the second baffle is connected with a water outlet pipe. The inner wall of the positive electrode cylinder is fixedly connected with a fixing pipe, and the outer wall of the fixing pipe is slidably connected with an electromagnet. A magnetic field can be generated through the electromagnet, two-phase catalytic oxidation is performed on water flow under the synergistic effect of the magnetic field and an electric field, and the treatment efficiency is improved.

The invention discloses a flue gas cooling treatment system, and relates to the technical field of flue gas cooling treatment. The device comprises a cooling and dedusting tower and a pretreatment tower, wherein the top of the cooling and dedusting tower is fixedly connected with a smoke pipe. The cleaning assembly and the circulating cooling assembly are arranged, after flue gas makes contact with washing liquid, large-particle dust and the washing liquid can make contact with a filter plate according to the gravity effect, the large-particle dust stays on the surface of the filter plate, the washing liquid falls on a drainage plate after being filtered, and therefore the large-particle dust can be effectively removed. At the moment, the circulating cooling assembly is started to operate to quickly cool the water washing liquid, the water washing liquid flows into the connecting water pipe again and is sprayed out through the spraying piece, so that cooling and recycling of the water washing liquid are achieved, waste of water resources and environmental pollution are reduced, and the water treatment cost of enterprises is reduced; and the surface of the filter plate is circularly cleaned, so that blockage caused by accumulation of large-particle dust on the filter plate is avoided.

The invention relates to the field of fuel cells, and particularly discloses a gas diffusion layer, a preparation method thereof and a proton exchange membrane fuel cell applying the gas diffusion layer, and the preparation method of the gas diffusion layer comprises the following steps: preparing porous substrate layer carbon paper; performing hydrophobic treatment on the porous substrate layer carbon paper to obtain hydrophobic carbon paper; a hydrophobic agent and water are mixed to obtain hydrophobic slurry A, conductive powder, a surfactant, a binder and an organic solvent are mixed and dispersed to obtain conductive powder slurry B, the hydrophobic slurry A and the conductive powder slurry B are mixed to form spraying slurry C, the spraying slurry C is sprayed on hydrophobic carbon paper while being stirred, drying and curing are conducted after spraying, and a microporous layer is formed. A gas diffusion layer is obtained; the invention further discloses the gas diffusion layer prepared by adopting the method and the proton exchange membrane fuel cell applying the gas diffusion layer. The application has the characteristics of solving the problems of dispersion uniformity of the conductive powder in the slurry and sedimentation in the coating process, improving the quality of the microporous layer and further improving the performance of the fuel cell.

A membrane a feed flow inlet, a retentate flow outlet and a permeate flow outlet. The membrane further includes a membrane interface portion comprising a plurality of feed flow channels fluidly connected to the feed flow inlet and to the retentate flow outlet, and a plurality of permeate flow channels fluidly connected to the permeate flow outlet, wherein the membrane interface portion is operable to allow for fluid communication between the feed flow channels and the permeate flow channels through a membrane portion. The membrane interface portion includes a reduction in a dimensional property from toward the feed flow inlet to toward the retentate flow outlet so that the membrane interface portion is operable to produce a higher cross-flow velocity at the membrane portion toward the retentate flow outlet. Also provided is a water treatment module including the membrane and a process for making the membrane.

The invention discloses a boiler water treatment agent supplementing device which comprises at least one agent storage mechanism, and each agent storage mechanism comprises an agent storage tank, an agent supplementing valve communicated with the agent storage tank, an agent discharging valve and a one-way air inlet valve; and the medicine barrel clamping platform is used for fixing the medicine adding container. According to the device, the medicine barrel clamping platform is arranged to fix the medicine adding container, then the first moving assembly is used for driving the liquid outlet end of the pumping mechanism to be connected to a medicine supplementing valve of the corresponding medicine storage tank, then the second moving assembly is used for driving the cap screwing mechanism to move to a bottle cap of the medicine adding container, and the bottle cap of the medicine adding container is clamped and driven to be screwed off in a rotating mode; then the third moving assembly is matched with the second moving assembly to enable the pumping mechanism to move to the bottle opening of the dosing container, then the fourth moving assembly operates the pumping mechanism to be inserted into the dosing container, liquid in the dosing container can be extracted and injected into the medicine storage tank through the medicine supplementing valve, manual participation in the medicine supplementing process is effectively reduced, and the medicine supplementing efficiency is improved. And the purpose of improving the operation safety is achieved.

The invention belongs to the technical field of direct drinking water processing, and particularly relates to a direct drinking water softening and sterilizing device which comprises a bottom plate, the two sides of the upper end face of the bottom plate are fixedly connected with a softening pool and a sterilizing pool respectively, one side of the bottom of the softening pool is communicated with the sterilizing pool through a connecting pipe, and a drainage pipe is arranged on one side of the sterilizing pool. An ultraviolet germicidal lamp is arranged at the top of an inner cavity of the sterilization tank, and a feeding auxiliary mechanism used for uniformly adding lime and soda into the softening tank is further arranged on the softening tank. By means of the feeding auxiliary mechanism, lime and soda discharged from the discharging port can make contact with leaves, the lime and the soda are scattered, the distribution area of the lime and the soda on the water surface is enlarged, meanwhile, the caked and coagulated lime and the soda can also be scattered, and therefore the lime and the soda can be evenly added into water, and the situation that the lime and the soda are not prone to falling off due to the fact that the water surface area is too large is avoided. And an operator is not easy to uniformly add lime and soda into water.

The invention relates to the technical field of cooking equipment, and discloses a cooking equipment control method and device, cooking equipment and a storage medium, and the method comprises the steps: monitoring the temperature of a cooking cavity of the cooking equipment and the working duration of a steam generation module after the cooking equipment starts a steaming function; when the current cooking cavity temperature is smaller than the first preset temperature, the temperature difference between the set temperature corresponding to the steaming function and the current cooking cavity temperature is calculated; based on the temperature difference and the current working duration of the steam generation module, the working duration of the condensate water treatment module is determined so as to control the condensate water treatment module to start working. The starting time of the condensate water treatment module is determined, and the working time of the condensate water treatment module is determined by comprehensively considering the temperature difference between the real-time temperature of the cooking cavity and the set temperature and the working time of the steam generation module, so that the condensate water treatment module is accurately controlled to work, and the steam amount in the cooking cavity is accurately controlled; the user experience is improved, and the after-sales service cost is saved.

The invention belongs to the technical field of water treatment, and particularly relates to a method for regulating and controlling a nanoscale zero-valent iron shell structure to enhance the reaction activity of the nanoscale zero-valent iron shell structure. The carbon-doped nano zero-valent iron is of a core-shell structure; the carbon-doped nanoscale zero-valent iron comprises a nanoscale zero-valent iron core with carbon gradient doping and an iron carbide shell layer located on the surface of the nanoscale zero-valent iron core. By means of collision between grinding balls and material (Fe and C) particles, deformation and crushing of the ground material particles are achieved through friction force, shearing force, tension and the like, an oxidation shell layer of nanoscale zero-valent iron is broken, Fe < 0 > is exposed on the surface of the material and further doped with activated carbon to form an iron carbide shell layer to construct Fe-C double-active sites, the reaction activity of the material is improved, and the service life of the material is prolonged. The reducibility and electron transfer capability of the nZVI are effectively improved, meanwhile, after the nZVI is subjected to the action of mechanical force, the lattice spacing of the nZVI is increased, the material property is changed, and the removal efficiency of the nZVI to pollutants is further improved.

The invention belongs to the technical field of water treatment, and relates to a multistage filtering device for mine water treatment, which comprises a vertical cylinder and a horizontal cylinder communicated with each other, one end of the horizontal cylinder is closed, the outer side of the horizontal cylinder is provided with a first motor, a rotating shaft of the first motor extends into the horizontal cylinder and is fixedly connected with a filtering cylinder, the surface of the filtering cylinder is provided with filtering holes, and the filtering cylinder is communicated with the vertical cylinder. A cleaning roller is further arranged on the rotating shaft and located on the outer side of the filter cartridge, and the first motor drives the filter cartridge and the cleaning roller to rotate; an annular cleaning structure is arranged on the periphery of the filter cartridge and is in matched connection with a motor lead screw pair, and the motor lead screw pair drives the annular cleaning structure to move in the axial direction of the filter cartridge; a first filter plate and a second filter plate are arranged in the vertical cylinder from bottom to top at an interval, a flow guide structure is arranged above the second filter plate, and a limiting ring is arranged between the flow guide structure and the inner wall of the vertical cylinder. The multi-stage filtering device disclosed by the invention is good in filtering effect, and the overhaul and maintenance period is greatly prolonged.

The utility model discloses circulating water treatment automatic dosing equipment which comprises a circulating water pipeline, the top end of the circulating water pipeline is fixedly connected with a feeding pipe, the top end of the feeding pipe is fixedly connected with a medicine box, and the upper portion of the interior of the medicine box is rotationally connected with a first stirring rod; a first stirring rod is rotatably connected to the lower portion of the interior of the pesticide box, a second stirring rod is rotatably connected to the lower portion of the interior of the pesticide box, the first stirring rod and the second stirring rod are arranged in a staggered mode, the ends of the first stirring rod and the second stirring rod extend out of the pesticide box, and one end of the first stirring rod and one end of the second stirring rod are fixedly connected with a first gear and a second gear correspondingly; and the first gear is meshed with the second gear. Through the first motor, the medicine adding roller and the feeding pipe, the medicine is stored in the storage tank through driving of the first motor, and through rotation of the medicine adding roller, the medicine can be discharged downwards to fall into the feeding pipe after rotation, and automatic medicine adding work is achieved through the structure.

The utility model discloses an eel freezing and packaging integrated machine, comprising a draining mechanism, a freezing mechanism and a packaging machine arranged in sequence from left to right; the draining mechanism comprises a support platform, on which a plurality of transmission rollers are arranged to rotate from left to right, a belt is arranged on the transmission roller, and the transmission roller drives the belt through a first motor arranged on the support platform; a mounting frame is fixed above the middle of the support platform, and a fan is arranged on each of the left and right sides of the mounting frame; a second motor is also installed in the mounting frame, a rotating shaft is fixed to the output shaft of the second motor, and a cam is fixed to the surface of the rotating shaft; a first spring is installed below the mounting frame, a pressing plate is fixed to the bottom of the first spring, a second spring is fixed to the bottom of the pressing plate, and a draining plate is fixed to the bottom of the second spring; the cam is located above the pressing plate; a connecting frame is fixed to the rear side of the pressing plate, the connecting frame extends downward and a lifting plate is connected to the bottom of the connecting frame, and the lifting plate is located between two layers of belts. The utility model has the advantage of being able to drain the cleaned eels, and solves the problem that the surface moisture of the eels cannot be drained when they are frozen, which affects the weighing weight.

The invention discloses a method for preparing biochar through low-temperature carbonization of furfural residues and application, and the method comprises the following steps: pretreatment of furfural residues: carrying out dynamic drying by using superheated steam generated by a biomass boiler, so that the moisture content is reduced to be less than or equal to 25%; carrying out particle reinforced molding, namely mixing the furfural residues with corn straws and wheat straws, and carrying out granulation molding; carrying out segmented low-temperature carbonization, sequentially carrying out drying preheating, ash removal and carbonization stages on the particles, and enabling the hardness of the carbonized particles to reach 8MPa; by-products are recycled, pyrolysis non-condensable gas is used for boiler combustion, condensate can be used as liquid organic fertilizer, heat treatment activation is carried out, and carbonization is carried out for 2 h in a nitrogen environment at the temperature of 600 DEG C; washing and drying: washing with hydrochloric acid (HCl), and drying at 80 DEG C for 24 hours; the method solves the technical problems of high energy consumption in the furfural residue carbonization process and limited application range of carbonized products in the prior art, also solves the problems of limited adsorption capacity and difficult recovery of common charcoal, and is suitable for the environmental protection fields of heavy metal wastewater treatment, pollution remediation and the like.

The invention relates to the technical field of water treatment, in particular to a water plant process modularization deconstruction integration system, which comprises a physical module layer, a water treatment layer and a control layer, the edge intelligent control layer is connected with the physical module layer and is used for real-time data acquisition and bottom layer control; the digital twin platform layer communicates with the edge intelligent control layer and is used for constructing a high-fidelity virtual model for the physical module layer and realizing virtual-real interaction; the cloud platform AI center communicates with the digital twin platform layer and is used for operating an artificial intelligence optimization algorithm; and through self-adaptive optimization of the DRL intelligent agent, accurate control of key process parameters (such as dosage and aeration rate) can be realized, and it is predicted that the drug consumption can be reduced by 10%-25% and the aeration energy consumption can be reduced by 15%-30%.

This invention discloses a railway sleeper surface roughness treatment device and method, relating to the field of railway sleeper surface treatment technology. Key technical features include an installation area, with a traction component installed on one side of the upper end of the installation area, and a railway sleeper conveying component installed on the other side of the upper end of the installation area. A water spraying component is installed at the upper end of the installation area, outside the railway sleeper conveying component. The water spraying component includes two symmetrically installed installation boxes at the top of the installation area, with a protective cover between the two installation boxes. Two hydraulic rotating heads are installed inside the installation boxes, with a rotating disk at one end of each hydraulic rotating head and multiple nozzles installed at the other end of the rotating disk. The technical advantage of this design is that it uses a continuous conveying and processing method to treat the surface roughness of the railway sleeper body, improving overall production efficiency.

The invention relates to the technical field of wastewater treatment devices, and discloses a two-stage air stripping device suitable for high-concentration ammonia-containing wastewater treatment in the semiconductor industry. The air stripping mechanism is arranged on the ground and is used for carrying out air stripping treatment on the ammonia-nitrogen wastewater through a tower body in the air stripping mechanism; the filling mechanism is arranged on the tower body, and the filling mechanism is used for installing filler through a filling replacement hole and a fixing frame in the filling mechanism; according to the ammonia-nitrogen wastewater stripping tower, the stripping mechanism is arranged, wastewater is changed into tiny liquid beads through a spray head to be sprayed out to form a conical spray shape, the tiny liquid beads are sprayed to an internal filler plate and form water drops to flow to the tower bottom, and the treated wastewater flows out of a water outlet in the tower bottom and is pumped into a second tower body through a first ammonia-nitrogen wastewater stripping tower conveying pump to be circularly treated; through two-stage air stripping treatment, the device can adapt to higher ammonia-nitrogen inlet water concentration, and high-ammonia-nitrogen wastewater concentration in the semiconductor industry can be treated more efficiently.

The invention discloses wastewater treatment equipment for iron oxide pigment production and preparation, and belongs to the technical field of wastewater treatment.The wastewater treatment equipment for iron oxide pigment production and preparation comprises a treatment barrel, a top cover is arranged on the treatment barrel, the upper portion of one end of the treatment barrel is connected with a liquid inlet pipe, and the bottom of the treatment barrel is connected with a liquid outlet pipe; a valve is arranged at the position of the liquid outlet pipe, a filter screen is arranged in the treatment barrel, a mixing assembly connected with the top cover is movably arranged on the filter screen, an adjusting assembly connected with the mixing assembly is arranged on the side, close to the treatment barrel, of the top cover, and a discharging assembly matched with the mixing assembly is arranged on the top cover. The device has the advantages of rapid and uniform mixing, efficient purification, flexible linkage, convenience in adjustment, reliable structure, convenience in operation, simplicity, convenience and practicability.

The utility model belongs to the technical field of water treatment agent feeding, and provides a pressure pump device for water treatment agent feeding, which comprises two pressure pump units, the pressure pump unit comprises a pump, a pressure gauge and a main pipe; the pump inlet is communicated with the main pipe through a liquid inlet pipe, a third valve is arranged on the liquid inlet pipe, the pump outlet is communicated with a liquid outlet pipe, a fifth valve is arranged on the liquid outlet pipe, the pressure gauge is arranged on the liquid outlet pipe through a pressure detection pipe, and a first valve is arranged on the pressure detection pipe; the pressure pump unit further comprises a back pressure valve and a return pipe, one end of the return pipe is communicated with the main pipe, the other end of the return pipe is communicated with the liquid outlet pipe, the back pressure valve is arranged on the return pipe, and a second valve is arranged on the return pipe. According to the device, the two pressure pump units are arranged for chemical feeding, and the two pressure pump units are standby for each other, so that interruption of chemical feeding can be avoided. By arranging the backflow pipe, when the pressure of the liquid outlet pipe exceeds the set pressure of the back pressure valve, the back pressure valve can be automatically opened, and the medicament in the liquid outlet pipe flows back into the main pipe.