38results about "Fatty/oily/floating substances removal devices" patented technology

A protector for the inlet into a sewer system includes a straight or annular, porous tubular casing for placing on or around the periphery of a sewer grate; a skirt extending inwardly or outwardly from the bottom of the casing for overlapping the side edges of a sewer opening so the grate retains the protector in the use position; and a filler in the casing for maintaining the casing in an expanded condition, at least one of the casing, the skirt and the filler being permeable to water and impermeable to contaminants, whereby water can flow into the system while contaminants are blocked.

A temperature regulation system has a polished surface sufficiently smooth so as to reduce the emissivity of the surface. A conduit is in thermal proximity to the polished surface and is in communication with a source of coolant. The coolant is circulated through the conduit so as to transfer heat from the surface to the coolant. System may include a sprayed-on resistive heater. An a temperature controlled vessel has a heat transfer wall that is of an electrically conductive material that is coated with a durable thermally conductive and electrically nonconductive coating. The coating may be a sprayed on coating and the vessel may hold a buffer for performing electrophoresis.

The invention discloses an energy-saving gear cleaning device. The energy-saving gear cleaning device comprises a workbench. A control panel is arranged on the front surface of the workbench. First supporting rods, a motor, a cleaning chamber, an air drying chamber and second supporting rods are sequentially arranged on the top of the workbench from left to right. A drive shaft is rotationally connected between the first supporting rods. One end of the drive shaft penetrates the first supporting rods and extends to the outer portions of the first supporting rods. The end, exposed outside, of the drive shaft is fixedly connected with a drive wheel, and the drive wheel is in transmission connection with a runner of the motor through a belt. According to the energy-saving gear cleaning device, cleanout fluid obtained after being used for cleaning a gear can be filtered and purified through a filter device, then the cleanout fluid is pumped into a fluid storage tank to be reutilized through a water pump, the gear cleaning cost is reduced, and the cleaned gear can be better subjected to air drying; and the noise of an inner cavity of the air drying chamber can be absorbed and lowered, and people can be in a more comfortable work environment.

The present invention relates generally to microtiter plate format devices and methods for separating molecules having different net charges. The devices and methods of the invention are particularly suited for use in high-throughput screening to monitor enzymatic reactions which result in a product having an altered net charge. For example, the systems and methods disclosed herein may be used to detect the activity of phosphatases, proteases and kinases on various peptidic substrates under various conditions.

The present invention discloses an ecological garden rainwater cyclic utilization system. The ecological garden rainwater cyclic utilization system comprises a water pool, a right outer wall of an inserted rod is in clearance fit with a right upper inner wall of the water pool, a left middle inner wall of a box body and a left middle inner wall of a spring, a push block sleeve the right outer wallof the inserted rod, a right end of the push block is attached to a left end of the spring, and a right end of the spring is attached to a right inner wall of the box body. In the ecological garden rainwater cyclic utilization system, a filter plate is fixed in a support plate, so that the filter plate can be rapidly disassembled, problems that a filtering structure on the rainwater cyclic utilization system mostly adopts bolts for connection and is time and effort-wasting to disassembly and change are solved, a sliding rod drives a scraping plate to move left and right to clean filterable debris on the filter plate to prevent the filter plate from blocking up, and problems that in the ecological garden cyclic system, the filterable debris on the filter plate cannot be timely cleaned, thefilter plate is blocked up, and the cyclic system is paralyzed are solved.

The invention discloses a sewage treatment powder agent preparation method, which includes the following specific steps: (1) weighing the following components in parts by weight: 50-55 parts of zeolite, 4-8 parts of polyferric chloride, 12-16 parts of sodium polyacrylate, 6-8 parts of polydimethyldiallylammonium chloride, 12-16 parts of aluminum potassium sulfate, 3-7 parts of manganese dioxide and 5-9 parts of copper chloride; and (2) calcining the zeolite at 800-850 DEG C for 1-3 hours under the protection of nitrogen and pulverizing to obtain zeolite powder; adding the polyferric chloride,the sodium polyacrylate and the polydimethyldiallylammonium chloride into water to prepare a solution, spraying the solution into the zeolite powder, air-drying at 35-50 DEG C, and grinding into a powder material again. The method has the advantages of high sewage treatment efficiency, low sewage treatment cost and easily available raw materials.

The invention discloses a zero-discharge treatment method and system for mine strong brine. The zero-discharge treatment method for the mine strong brine comprises the following steps: S1, carrying out primary filtration and impurity removal treatment on the mine strong brine, and then carrying out primary reverse osmosis concentration; S2, performing chemical softening treatment on the primary reverse osmosis concentrated water; S3, carrying out secondary filtration and impurity removal treatment on the softened produced water, and then carrying out secondary reverse osmosis concentration; S4, carrying out microfiltration treatment on the secondary reverse osmosis concentrated water; S5, carrying out evaporation and concentration treatment on the microfiltration produced water; S6, performing sodium sulfate crystallization treatment on the concentrated solution, and sequentially thickening, centrifuging and drying the nitre slurry to obtain sodium sulfate; and S7, carrying out sodium chloride crystallization treatment on the saturated mother liquor subjected to sodium sulfate crystallization treatment in the step S6, and sequentially thickening, centrifuging and drying salt slurry to obtain sodium chloride. According to the invention, the water recovery rate of the production wastewater is greatly improved, the environment is protected, the crystalline salt is recycled, and the zero emission target of the mine strong brine is really achieved.

The invention discloses a municipal rainwater drainage device capable of avoiding blockage and a rainwater drainage method, and relates to the technical field of municipal rainwater drainage. The municipal rainwater drainage device comprises a plurality of drainage bases and an anti-blockage mechanism, the drainage bases are attached together, L-shaped drainage holes are formed in the right end faces of the drainage bases, connecting bases are perpendicularly arranged on the drainage bases, the anti-blockage mechanism comprises a rotating roller, a plurality of evenly-distributed first supporting rods are arranged at the highest point of the radial side wall of the rotating roller, and a first filter screen capable of filtering rainwater impurities at the right side openings of the L-shaped drainage holes is arranged between every two adjacent first supporting rods. According to the municipal rainwater drainage device capable of avoiding blockage and the rainwater drainage method, the plurality of drainage bases are attached together and installed at the side position of a roadside roadbed, it is ensured that the lowest point of a right opening of each L-shaped drainage hole is lower than the height of the road surface, rainwater conveniently flows into the L-shaped drainage holes, meanwhile, impurity particles in the rainwater are prevented from entering the L-shaped drainage holes through the anti-blockage mechanism, the L-shaped drainage holes are prevented from being blocked, and therefore, the purpose of rainwater drainage is achieved.

The invention discloses a sponge city low-lying land multistage cascading rotary purification system. The system comprises a desilting water collection pool, a rotary purification canal and a reservoir. The desilting water collection pool is disposed at the top of a low-lying land. The rotary purification canal is in spiral downward arrangement along the periphery of the low-lying land, and is isolated into several purification units by several concrete baffle plates. Each purification unit is equipped with an antiscour layer, a soil layer, a coarse sand layer and a purification layer from top down in order, the soil layer and the purification layer are internally provided with water absorption discs, two sides of the purification layer extend to the purification unit surface layer, and the section is in U-shaped distribution. Water permeable geotextile is disposed at the contact part of the purification layer and the soil layer and the coarse sand layer. The reservoir is arranged at the bottom of the low-lying land, and the bottom is provided with a water pumping pump. The system provided by the invention not only can green and beautify the environment, but also can absorb heavy metals and other hazardous substances in water, and is of important reference significance for urban non-point source pollution control, rainwater purification recycling and sponge city construction.

The invention discloses a sewage treatment system, which comprises a cloud server, a programmable logic controller (PLC), a sewage treatment unit and a water quality analysis unit. The PLC is electrically connected with the sewage treatment unit; the cloud server is in wireless connection with the PLC and the water quality analysis unit; the water quality analysis unit is used for acquiring the sewage water quality parameters of all links during the sewage treatment process, and transmitting the sewage water quality parameters to the cloud server; the cloud server is used for storing the sewage water quality parameters and adjusting parameters, and distributing the corresponding adjusting parameters to the PLC according to the current sewage water quality parameters; the PLC controls the sewage treatment unit to execute corresponding action according to the adjusting parameters; the sewage treatment unit is used for staged-treating sewage according to the adjusting parameters until theemission standard is met. The sewage treatment system provided by the invention has the characteristics of high automation degree and deep sewage purification treatment degree.

The invention relates to the technical field of environment protection and energy saving, and particularly relates to an environment-friendly treatment device for animal carcasses. The environment-friendly treatment device for the animal carcasses comprises a humidification case, a gear pump, an oil outlet pipe, an oil-water separation box and a box body, wherein the gear pump is fixedly connectedto the left end of the oil outlet pipe; the gear pump is fixedly connected to the top end of the oil-water separation box; a water outlet pipe, a partition, an oil absorption pipe and a filter screenare sequentially arranged in the oil-water separation box from right to left; the humidification case is slidably connected to the bottom end of the inner side of the box body; an oil collection water pipe is arranged at a lower part in the humidification case; a collection plate is fixedly connected above the oil collection water pipe; steam generators are fixedly connected above the two ends ofthe collection plate; a large blade is fixedly connected to a first rotary shaft; a small blade is fixedly connected to a second rotary shaft; and a charge plate is connected to the top end of the box body in a hinging manner. The environment-friendly treatment device for the animal carcasses is scientific and reasonable in structure, reutilizes the animal carcasses to achieve the effects of environment protection and energy saving, has great economic benefits, meets a wide market need, and is worthy of popularization.

The invention discloses water cleaning and purifying equipment taking clean energy as an auxiliary energy supply. The water cleaning and purifying equipment comprises a floating body, a main energy supply device, an auxiliary clean energy supply device, a water filtration channel, a driving device and a solid waste collection bin, wherein the water filtration channel penetrates through the floating body from the front to rear; the driving device is arranged in the water filtration channel; the solid waste collection bin is arranged on the floating body; the water filtration channel sequentially comprises a solid waste collection section, a water purification section and a drainage section from the front to rear; top plates of the solid waste collection section, the water purification section and the drainage section are flush with one another; the solid waste collection section is connected with the solid waste collection bin through a transfer device; the water purification section isfilled with water purification packing; a guide plate is arranged on the drainage section and controlled by a steering engine. According to the water cleaning and purifying equipment disclosed by theinvention, the solid wastes floating or suspending in the water can be cleaned, the water can be purified, dual treatment is completed at a time, and the water quality is greatly improved. In addition, solar energy, wind energy and other clean energy can be fully utilized, and the environmental pollution is reduced.

The invention discloses a biological safety type floor drain. The biological safety floor drain comprises a floor drain main body, a panel, a filtering mechanism and a cover plate; the outer side of the floor drain main body is fixed to ground cast-in-place concrete, and the lower end of the floor drain main body is connected with a lower water pipe; a round hole matched with the upper end of thefloor drain main body is formed in the middle of the panel, the round hole position of the panel is connected with the upper end of the floor drain main body, and the lower side face of the panel is connected with ground; and the filtering mechanism is arranged in the floor drain main body and is positioned on the lower side of an opening of the floor drain main body in height; and the cover platecovers the opening position of the floor drain main body. The biological safety floor drain has the beneficial effects that the cover plate, the filtering mechanism, the panel and the floor drain main body are adopted; the cover plate is sealed when not used at ordinary times so as to prevent odor from returning to a room; the filtering mechanism is used for collecting animal feces and dirt, andafter the animal feces and dirt are collected, the filtering mechanism is taken out so that the dirt can be poured out, and meanwhile the filtering mechanisms of different specifications can be replaced according to different animals so as to achieve the purpose of feces and dirt collection, in this way, the lower water pipe is prevented from being blocked, and the feces can be collected conveniently; and finally, the panel is used for being connected with the ground, so that firm and flat installation of the floor drain is guaranteed.

Relating to the field of medical technologies, the invention provides a medical gauze degreasing sewage treatment device. The medical gauze degreasing sewage treatment device includes a body, the right side of the body is communicated with a sewage inlet port through a water pipe, a sand plate is fixedly installed in the body, an activated adsorption plate is fixedly installed on the right side ofthe sand plate, a biological reaction apparatus is fixedly installed in the body, and includes a press plate, a push plate is fixedly installed at the bottom of the press plate, sliding rods are fixedly installed at the bottom of the press plate, and the outer surface of the push plate is in sliding connection with a biological packing box, the bottom of which is provided with a discharge port. Through mutual combination of biological packing and air flotation, the medical gauze degreasing sewage treatment device can achieve more comprehensive sewage purification and higher purification rate,and further improves the production rate, and at the same time employs a spiral pipe and carbon rods to re-treat sewage, so that the whole sewage treatment system is more reasonable.

The invention relates to a disease-dried livestock and poultry drying wastewater treatment technology. The technology comprises the following steps: pumping wastewater generated in a drying process into a first reactor, adding a nonionic polyacrylamide reagent into the first reactor, performing uniform stirring, standing the obtained solution, pumping the obtained upper liquid into a rendering tank, and pumping the obtained lower liquid into a second reactor; adding an anionic polyacrylamide reagent and a cationic polyacrylamide reagent into the second reactor, performing uniform stirring, standing the obtained solution, pumping the obtained supernatant into a plate-and-frame filter press filled with polyacrylamide water-absorbent resin, and pumping the obtained lower floc into the rendering tank; and pumping a filtrate in the plate-and-frame filter press into a membrane module, detecting a clear liquid in the membrane module, directly discharging the qualified clear liquid, and pumping the above obtained concentrate into the second reactor. The technology has the advantages of simplicity in operation, low energy consumption, and strong applicability to the quality of water, and the treated water has low COD content and low ammonia nitrogen content.

A system for separating the components of an incoming oil-water mixture includes two electrode sets, one set arranged to apply an electrostatic field to an oil layer residing within a separator vessel and the other set arranged to apply an electrostatic field to the interface emulsion layer residing within the separator vessel. The first set of electrodes is in communication with a high voltage power source that ranges from 1 to 60 kV; the second set of electrodes is in communication with a low voltage power source that is no greater than 5 kV. Each set of electrodes may also be in communication with a second voltage source to provide increased power to promote effective coalescence. The system may also include power electronics to produce a variable amplitude and a variable frequency voltage supply to one or both electrode sets.

Oil and aqueous phase separator device comprising: a basket that comprises a frame having a plurality of supporting arms and fitting means for linking to other phase separator devices; a top lid of the basket; a hydrophobic mesh linked to the basket and supported by the plurality of supporting arms; a plurality of floats linked to the frame of the basket; a housing for an additional float formed on the upper edge of the frame of the basket; and discharging means linked to the basket.

The invention discloses a modular type movable microorganism expanding culture device. The modular type movable microorganism expanding culture device comprises an oil removal tank, a primary biological expanding culture tank, a secondary biological expanding culture tank, a third biological expanding culture tank, a high-efficiency sedimentation tank and a water outlet tank, wherein the oil removal tank is provided with an oil overflow opening; the primary biological expanding culture tank, the secondary biological expanding culture tank, and the third biological expanding culture tank are sequentially connected with the back part of the oil removal tank, and are of the same internal structure; the high-efficiency sedimentation tank is connected with the back part of the third biological expanding culture tank; the water outlet tank is connected with the back part of the high-efficiency sedimentation tank; a plurality of oilproof anti-blockage aeration heads are arranged at the bottom part of the primary biological expanding culture tank, and are mutually communicated; a filler bracket is arranged above the aeration heads; a dense type biological filler is filled into the filler bracket; an oil isolating baffle plate is arranged above the filler bracket; an adjustable water collecting weir and an oil draining inclined plate are arranged at the inner side of the high-efficiency sedimentation tank; the adjustable water collecting weir is arranged above the oil draining inclined plate.

The invention relates to an oil spilling repair agent, a preparation method thereof, and an oil spilling in-situ repair method. The preparation method of the oil spilling repair agent comprises the steps: a first carrier is provided and is a wood fiber carrier of a porous structure; a microbial agent suspension is provided, the first carrier is mixed with the microbial agent suspension to enable microorganisms to be adsorbed by the first carrier, and a second carrier is obtained; and an aqueous solution containing agar and a surfactant is provided, the second carrier and the aqueous solution are mixed in a container, thus the second carrier is wrapped with the agar to form an intermediate, the intermediate in the container is dispersed to form particles, the particles are blown away through airflow, and the oil spilling repair agent is obtained. The density of the oil spilling repair agent obtained through the preparation method is smaller than the density of water, thus the oil spilling repair agent can be dispersed and float on the water surface, with step-by-step crushing and degradation of the agar in the water environment, the microorganisms adsorbed by the wood fiber carrierare released step by step and make full contact with oil contamination on the water surface, and the good in-situ repair effect is achieved.

The invention provides a drainage structure for a building. The drainage structure for a building comprises an inspection chamber and a water seal chamber, wherein the water seal chamber communicateswith the inspection chamber, a partition piece is arranged between the inspection chamber and the water seal chamber, the water seal chamber communicates with the inspection chamber from the top of the partition piece, a first water inlet channel is formed in the inner wall of the water seal chamber, and the height of the partition piece is smaller than or equal to that of the first water inlet channel; and a drainage pipe is arranged in the first water inlet channel, a water outlet of the drainage pipe is located in the water seal chamber, and the height from the water outlet to the bottom ofthe water seal chamber is smaller than that from the tail end of the partition piece to the water seal chamber. According to the invention, a water seal well and an inspection well are integrally arranged, so that the occupied space of the water seal well and an inspection well is reduced, more space can be provided for other facilities (such as basements and outdoor pipe networks) of buildings,and the construction convenience is improved.

Disclosed is a comprehensive rainwater conservation system based on a sponge city. The comprehensive rainwater conservation system comprises a rainwater filtering layer, a water collecting tank and a water supply device; the rainwater filtering layer communicates with the water collecting tank; a filtering water tank is arranged in the water collecting tank; and the water collecting tank and the filtering water tank are separated through a first filtering plate. According to the comprehensive rainwater conservation system, rainwater in the water collecting tank is partially filtered, water source supply under different industrial requirement conditions is met, rainwater collected by the sponge city is effectively utilized, and the effect of improving the rainwater utilization rate is achieved; and meanwhile, an emergency water pipe is additionally arranged between a first water tank and a second water tank, so that the utilization rate of the rainwater is further improved.

The invention relates to the field of drinking water treatment, and in particular relates to a method for coping with the burst oil type pollution of a drinking water source. The method is characterized by comprising the following steps: 201. setting a water quality monitoring control point, and determining oil type concentration; 202. arranging an oil absorption felt around a water intake; 203. filling oil removal adsorbent in the water intake, fully mixing with water, and adsorbing oil type pollutants in the water conveying process; and 204. regulating flocculant input amount of a water plant, and removing oil removal adsorbent adsorbed with oil. Because of adopting decontamination step by step, the method has obvious and quick oil removal effect if being compared with the common process.

The invention discloses a gas liquor purification treatment system after coal gasification. The system comprises a gas liquor main, which is connected to a cold source inlet of a third heat exchanger.The cold source outlet of the third heat exchanger is connected to a feed inlet of a stripping tower through a decompression separation unit, which is also connected to a tar connecting unit. The decompression separation unit is used for removing tar in the gas liquor. The stripping tower is used for removing impurity components in the gas liquor. A gas liquor outlet of the stripping tower is connected to a hot source inlet of the third heat exchanger through a pipeline. The third heat exchanger is used for preheating low-temperature gas liquor of the gas liquor main through high-temperaturegas liquor at the outlet of the stripping tower. A hot source outlet of the third heat exchanger is connected to a sewage treatment tank through a fourth heat exchanger. By the system, contents of COD, ammonia and henol in the gas liquor are effectively reduced, and the energy consumption of the subsequent water treatment is greatly reduced, the gas liquor is reused, and consumption of industrialwater during the production process is lowered.

The invention provides a rainwater backflow prevention device with automatic alarm and pipeline blockage prevention, which belongs to the technical field of rainwater backflow prevention and comprises a main shell, a flow guide mechanism and a sundry crushing mechanism. Through holes are formed in the top and the bottom of the main shell, a filter plate is arranged on the through hole in the top, and connecting mechanisms are arranged on the two sides of the top of the main shell; the flow guide mechanism comprises two bearings rotationally arranged on the two through holes respectively, the outer sides of the two bearings are sleeved with a rotary drum, a plurality of blades are arranged on the inner wall of the rotary drum, and a driving mechanism is arranged on one side of the rotary drum; and the impurity crushing mechanism is arranged below the main shell. The rainwater backflow prevention device with the automatic alarm and pipeline blockage prevention functions integrates backflow prevention and automatic alarm, has the functions of detecting the rainfall condition, preventing rainwater pipeline blockage, preventing rainwater backflow and the like at the same time, discharges accumulated water in a substation factory area more quickly, sends out a warning signal to a substation intelligent control system, and improves the safety of a substation. And operation and maintenance personnel are timely notified to clean.

The invention discloses a purification system for removing oil by carbon sponge. The purification system comprises a water storage groove (1) with the conical bottom end, a water inlet formed in the middle position of the water storage groove (1), a water outlet formed in the top end of the water storage groove (1), and a slag outlet formed in the bottom end of the water storage groove (1), wherein a desilting groove (2), an oil removing groove (3) and a biological purification groove (4) are sequentially connected onto the water outlet of the water storage groove (1); the oil removing groove (3) comprises a groove body and carbon sponge arranged in the groove body. The purification system has the advantages that the structure is simple; the operation is simple and convenient; the effect is obvious; the cost is reduced, and the like.