42results about How to "Good decontamination effect" patented technology

The invention relates to the technical field of soil body repairing, and discloses a method for repairing heavy metal polluted sludge, which comprises the following steps: by taking an iridium tantalum coating titanium electrode as an anode and a conductive electrode as a cathode, adding a complexing agent into heavy metal polluted soft soil, putting one end of the anode and one end of the cathode into the heavy metal polluted soft soil, after the other ends of the two ends are jointly and electrically connected with a power source, the soft soil polluted by the heavy metal is subjected to soil body restoration and soil body reinforcement by adopting a vacuum combined intermittent multi-stage step-by-step pressurization electroosmosis technology; the vacuum combined intermittent multistage step-by-step pressurization electroosmosis technology comprises the following steps: under vacuum, applying voltage to heavy metal polluted soft soil step by step through a power supply, an anode and a cathode, and carrying out electroosmosis by adopting power-on and power-off intermittent treatment. According to the method, vacuum preloading, electroosmosis reinforcement and electrodynamic remediation are combined, heavy metal ions in the heavy metal polluted soft soil are removed, and the heavy metal polluted soft soil is subjected to soil body reinforcement.

The invention relates to the technical field of aviation obstruction lights and discloses a dual-power aviation obstruction light which comprises a base, an equipment box is arranged on the base, a storage battery power pack is arranged in the equipment box, a lamp tube and a lampshade are arranged on the upper side of the equipment box, the lampshade is of a colored transparent plastic structure, and the top end of the lamp tube extends out of the lampshade and is provided with a lightning rod. The lamp tube is electrically connected with a storage battery power pack in the equipment box, the storage battery power pack is annularly placed in the equipment box, a generator set is arranged in the middle of the storage battery power pack, and a rotating shaft of the generator set is in power connection with a rotating drum rotationally arranged on the top face of the equipment box. Compared with the prior art, the wind shielding device has the beneficial effects that by arranging the wind shielding retracting and releasing mechanism, the arc-shaped wind shielding plate can be driven to telescopically move, and the arc-shaped wind shielding plate drives the generator set to supply power when rotating; the lampshade decontamination mechanism can operate without extra electric energy consumption, so that energy is further saved; the decontamination ring can lift and circularly move on the surface of the lampshade and simultaneously rotate positively and negatively, so that the decontamination effect is improved and the cleaning efficiency is improved.

The invention relates to a joint analysis method for uranium and plutonium isotopes in a water sample, which comprises the following steps: enriching uranium and plutonium isotopes in a water sample to be detected to obtain a sample dissolving solution; uranium and plutonium in the sample dissolving solution are separated through an anion exchange resin column, and a first uranium component and a first plutonium component are obtained respectively; performing secondary purification on the first uranium component through an anion exchange resin column to obtain a second uranium component, and measuring the content of uranium isotope in the second uranium component; performing secondary purification on the first plutonium component through a TEVA resin column to obtain a second plutonium component, and measuring the content of plutonium isotope in the second plutonium component; the method can be used for measuring and analyzing the isotope content of uranium and plutonium in a sample at the same time so as to achieve the purposes of environment monitoring, workplace radiation hazard characteristic evaluation, dose evaluation, nuclear evidence obtaining and the like. The method provided by the invention has a very good separation effect on uranium and plutonium isotopes, has a very good decontamination effect on radioactive interference nuclides such as thorium isotopes in the sample, and is high in chemical recovery rate and high in analysis efficiency.

The invention discloses a surface cleaning device with good decontamination effect, comprising a floor brush with a roller brush, the floor brush is provided with a decontamination device abutting against the roller brush, the decontamination device comprises a scraping piece, a combing piece located below the scraping piece, the combing piece is provided with a plurality of comb teeth and a connecting portion extending from the comb teeth to the lower surface of the scraping piece, the connecting portion abuts against the lower surface of the scraping piece, the comb teeth and the connecting portion form a front combing surface, the front combing surface abuts against the roller brush, the scraping piece extends in the direction of the roller brush over the front combing surface, the liquid flow scraped by the scraping piece forms a filling area between the connecting portion and the lower surface of the scraping piece, the liquid flow in the filling area gathers and increases pressure to flush the gap between the comb teeth. The surface cleaning device not only has a good effect in treating general garbage, but also does not leave entangled objects such as hair on the roller brush, does not require customers to manually clean the roller brush, has high dirt suction efficiency, good dirt suction effect, is more intelligent and humane, and has a good customer experience.

The invention belongs to the technical field of gene engineering and enzyme engineering, and discloses an alkaline protease mutant and application thereof. Compared with parent alkaline protease with an amino acid sequence as shown in SEQ ID NO: 1, the alkaline protease mutant has disulfide key site pair mutation, and the disulfide key site pair has the following characteristics: i, the disulfide key site pair is not in the range of an active site # imgabs0 # of the alkaline protease mutant; ii, the difference value of amino acid site numbers is greater than or equal to 10; iii, the distance between two cysteine SG atoms forming a disulfide bond is within # imgabs 1 #; iv, the angle of Chi3 is 30 degrees lt; chi3lt; chi3lt; 140 DEG or-30 DEG gt; chi3gt; chi3gt; and-140 DEG C. Compared with the parent alkaline protease, the alkaline protease mutant has the advantages that the heat resistance and / or detergent tolerance are / is obviously improved, the decontamination effect on protein dirty cloth is better, and the requirements of the daily chemical washing industry can be better met.

The invention discloses a surfactant for cleaning fruits and vegetables and a preparation method of the surfactant, and relates to the technical field of fruit and vegetable cleaning agents. Raw materials of the cleaning agent comprise the following components: 10-15 parts of a modified surfactant, 2-3 parts of an enzyme preparation, 1-2 parts of a cosolvent, 0.2-2 parts of a viscosity modifier, 0.1-0.5 part of a bactericidal preservative, 0.1-2.5 parts of a light stabilizer, 0.1-1.3 parts of an antioxidant, 0.3 part of an emulsifier, 0.05-0.2 part of a bacteriostatic substance, 0.1-0.8 part of sodium citrate, 5-7 parts of diatomite powder, 2-8 parts of a polyethylene glycol dispersant and 80-90 parts of deionized water. The preparation method comprises the following steps: firstly, adding a modified surfactant into deionized water, then sequentially adding an enzyme preparation, a cosolvent, a bactericidal preservative, a light stabilizer, an antioxidant, an emulsifier, a bacteriostatic substance, diatomite powder and a polyethylene glycol dispersant into a reaction kettle, and continuously stirring and mixing to form a solution A; the fruit and vegetable cleaning surfactant prepared by the preparation steps has excellent detergency and a low-temperature residual pesticide removal effect while having relatively good use safety.

The utility model discloses a water conservancy project gate water purification device, relates to water conservancy gate technical field, including gate frame, interception subassembly and filter screen, the inside of gate frame is provided with gate main part, and the interception subassembly is installed in the front of gate frame, the interception subassembly includes interception screen frame, locking bolt and interception screen, locking bolts penetrate through the upper sides of the intercepting net frames, a blocking net is fixed between the intercepting net frames, the blocking net is of an arc-shaped structure, rear side plates are fixed to the rear side of the gate frame, a filter screen is installed between the rear side plates, and a trash removal assembly is installed above the outer side of the filter screen. According to the gate water purifying device for the water conservancy project, the blocking net is of an arc-shaped structure, compared with a plane-shaped structure, the available water filtering area is larger, the blocking net can conveniently intercept garbage and impurity dirt passing through the gate body, the filtering net can conveniently intercept impurities passing through the gate body again, pollutants are prevented from passing through, and therefore the multi-layer water purifying effect is achieved.

The invention relates to the technical field of cement grinding aids, in particular to a composite liquid cement grinding aid and a preparation method of the composite liquid cement grinding aid. Maleic anhydride, triethanolamine, acrylic acid and isopentenyl polyoxyethylene ether are used as raw materials in a macromolecular grinding aid solution; a reaction product of maleic anhydride and triethanolamine can form a compound with special functional groups, the functional groups can be effectively adsorbed on the surfaces of cement particles, friction among the particles is reduced, the grinding efficiency is improved, and the dispersity and stability of the grinding aid can be further enhanced by adding acrylic acid and isopentenyl polyoxyethylene ether, so that the grinding aid has a good application prospect. The cement particles are more easily dispersed in water, the agglomeration phenomenon is reduced, and the refining of the cement particles is facilitated; according to the invention, sodium lignin sulfonate is modified by grafting diethanolamine, and on the basis of retaining the original dispersibility of sodium lignin sulfonate, a new functional group is introduced, so that the interaction between sodium lignin sulfonate and cement particles can be enhanced, and the grinding aiding effect is further improved.

The invention relates to a wear-resistant easy-to-decontaminate luggage fabric and a processing method thereof, and belongs to the technical field of luggage cloth manufacturing. The wear-resistant easy-to-decontaminate luggage fabric comprises a wear-resistant base cloth layer and a wear-resistant antibacterial surface layer; the wear-resistant antibacterial surface layer is obtained by coating the surface of the wear-resistant base cloth layer with wear-resistant antibacterial decontamination modification liquid; the wear-resistant base cloth layer is formed by weaving the following fibers in parts by weight: 60-64 parts of polyester fibers, 24-32 parts of cotton fibers and 16-22 parts of bamboo fibers; the wear-resistant decontamination monomer and the functional particles are added in the process of preparing the wear-resistant antibacterial decontamination modified liquid, and the wear-resistant decontamination monomer contains rich active hydroxyl, trifluoromethyl, catechol group, pyridyl and disulfide bond, so that the wear-resistant decontamination monomer and the active hydroxyl on the surface of the wear-resistant base cloth layer can form hydrogen-bond interaction; and through the combined action of the functional particles, the wear resistance, the decontamination property and the antibacterial property of the luggage fabric are improved.

The invention discloses a biological membrane car washing sewage circulating filter with an external vibrator. The biological membrane car washing sewage circulating filter with the external vibrator comprises a pretreatment system, a biological membrane reactor, a vibrator device, a filtering system, a disinfection system and a water circulation system, the vibrator device is externally arranged, so that the occupied space in the bio-membrane reactor can be reduced, and the distribution of a flow field and a bio-membrane in the bio-membrane reactor cannot be directly influenced. The vibrator device is arranged outside, so that the vibrator device is more convenient to overhaul, maintain and replace, and the internal structure of the bio-membrane reactor does not need to be disassembled. Working parameters, such as vibration frequency, amplitude and the like, of the vibration sub-device can be flexibly adjusted according to actual requirements, so that the optimal decontamination effect is achieved.

The invention relates to the field of daily chemicals, and discloses a solid detergent composition and a preparation method thereof. The solid detergent composition comprises the following components in percentage by weight: 5-20% of a structurable component, 15-60% of a polyether nonionic surfactant, 0.1-20% of an organic alcohol ether solvent, 0-10% of other auxiliaries and water. The specific high-content polyether nonionic surfactant is used for dispersing and emulsifying structurable components such as hydrogenated castor oil or polyamide wax, and the prepared solid detergent under specific process conditions has higher paste hardness at room temperature, is similar to that of common washing soap, and also has washability similar to that of a washing soap product. Moreover, the solid detergent composition disclosed by the invention has excellent dirt-removing power and hard water resistance, and has better color protection performance on fabrics.

The invention discloses a safe residue-free dishwashing liquid and a preparation method thereof, and belongs to the technical field of surfactants, the dishwashing liquid takes coco-glucoside and alkyl polyglucoside as main components, and auxiliary components such as a functional agent, glycerol, phenoxyethanol, citric acid and a kumquat extract are added. The functional agent is prepared through a special process, so that the detergency and the stability of the detergent are enhanced. Compared with the prior art, the detergent disclosed by the invention has a good decontamination effect, can form a hydrophobic membrane on the surface of tableware, reduce water marks and spots, improve the draining rate, keep the pH value neutral, and is mild, non-irritant, biodegradable and in line with modern environmental protection and health concepts.

The utility model discloses a simulation decontamination device of ecological ditch, including the ditch, the matrix of the bottom of ditch is laid and plants hydrophyte can adsorb pollutant, the first side of ditch is equipped with a plurality of first fender, the second side of ditch is equipped with a plurality of second fender, the first fender with the second side of ditch has the gap between, the second fender with the first side of ditch has the gap between, a plurality of the first fender with a plurality of the second fender alternate arrangement, the first fender with the second fender between adjacent has the gap. The utility model has the advantages of simple structure, simulation effect is good and decontamination ability is strong.

The invention discloses an electrostatic spinning fiber base membrane for water treatment, which comprises a composite polymer fiber matrix and keratin, and the keratin is attached to the fiber surface; the composite polymer fiber matrix comprises polybutylene terephthalate, hydrophilic modified polyester and polyvinyl alcohol; the hydrophilic modified polyester is prepared from polyester polyol containing a morpholinedione structure and terephthalic acid through esterification. By compounding hydrophilic modified polyester, polyvinyl alcohol and keratin, the porous structure of the fiber base membrane is optimized, the hydrophilic performance of the base membrane is improved, the decontamination effect is improved, meanwhile, the mechanical performance of the fiber base membrane is optimized, and the service life of the fiber base membrane is prolonged; cysteine is released through keratin hydrolysis, an electron donor is provided, the method is suitable for strain growth, and the sewage treatment effect is further improved.

The invention relates to the technical field of daily chemical products, and discloses a natural antibacterial detergent added with citrus plant extract, which comprises the following components by weight: 1%-5% of plant extract, 15-35% of a surfactant, 0.5-1.5% of a gelling agent, 0.01-0.2% of a food preservative, 0.3-0.5% of an auxiliary agent, and the balance of deionized water. The plant extract is a citrus plant extract; surfactants adopted in the formula of the natural bacteriostatic detergent containing the citrus extract are all green surfactants, are excellent in biodegradability, environment-friendly and pollution-free, and good compatibility and synergistic effect are shown among the components, so that the quality, stability and effect of the detergent are guaranteed, and the detergent is easy to wash clean and free of pollution. The composition is mild, non-irritant, safe and non-toxic.

The invention provides a clothes processing method, equipment and system, and belongs to the technical field of clothes processing equipment. According to the method, the spectrum information of the to-be-treated clothes in the clothes treatment equipment is acquired through the spectrum detection device, so that the material information and the stain type of the to-be-treated clothes can be determined according to the spectrum information. Obtaining water quality information and to-be-used detergent information; therefore, the clothes material, the stain type, the used detergent information and the water quality information can be combined, the optimal washing procedure and washing parameters can be determined, and the best decontamination effect can be achieved under the condition that the clothes are not damaged.

The invention discloses an automatic decontamination device and method for a steam generator, and the device comprises a pressurization mechanism which is used for guaranteeing the sealing performance of the interior of the steam generator, a liquid discharge mechanism which is used for discharging the waste liquid after decontamination and cleaning out of the steam generator, and a spraying mechanism which is used for spraying a decontaminant to the inner surface of the steam generator. The spraying mechanism comprises a multi-path pesticide supply mechanism, a decontamination mechanical arm and a decontamination hose fixed to the decontamination mechanical arm, an outlet of the decontamination hose is connected to a spray head, the decontamination mechanical arm is composed of a mechanical arm fixed section, a rotary link, a mechanical arm movable section, a rotary connecting rod, the spray head and the decontamination hose, the mechanical arm movable section can rotate by 360 degrees, and the spray head is connected with the rotary connecting rod. By combining the mechanical arm with the space capable of rotating by 360 degrees and the spray head, the foam detergent is sprayed to the water chamber on the lower portion of the steam generator and other surfaces needing to be decontaminated, then clean water is used for flushing the foam detergent thoroughly, waste liquid is discharged into the waste liquid box for treatment, the method is simple, the decontamination effect is good, and the decontamination efficiency is improved.

The invention relates to a cleaning method and system for a windscreen wiper, an intelligent terminal and a storage medium, and relates to the technical field of windscreen wipers. Acquiring image detection information of the windshield based on the starting trigger information; determining whether stain feature information exists or not according to the image detection information; if not, continuing to acquire the image detection information for cyclic analysis; if yes, the windscreen wiper is controlled to wipe off stains on the windscreen according to the image detection information, and stain removal image information is obtained in real time; determining whether stain feature information exists or not according to the stain-removed image information; if yes, continuously controlling the windscreen wiper to wipe off the stains on the windshield according to the image detection information, and continuously acquiring the stain-removed image information for cyclic analysis; if not, the windscreen wiper is controlled to reset and stop, and the image detection information of the windscreen is continuously obtained for cyclic analysis. The windscreen wiper has the effect of improving the cleaning effect of the windscreen wiper.

The invention discloses an efficient recirculating aquaculture system and method constructed by using granular zoogloea, and belongs to the technical field of freshwater aquaculture wastewater treatment. The high-efficiency circulating water culture system comprises aquaculture equipment, a circulating water tank and a circulating water tank, wherein the aquaculture equipment comprises a culture barrel; the nitrification and denitrification equipment comprises a reactor and an activated sludge unit, and the activated sludge unit is located in the reactor; the oxygen increasing equipment comprises an oxygen increasing machine; wherein the bottom of the aquaculture equipment is in pipeline communication with the bottom of the reactor through a water pump; the top of the aquaculture equipment is communicated with the reactor through a pipeline provided with an electromagnetic valve; then, the system is utilized, and water feeding, aerobic aeration, standing, anaerobic reaction and drainage are used as a complete operation cycle for recirculating aquaculture. By means of the circulating water culture system and method, the concentration of ammonia nitrogen, nitrite and nitrate difficult to remove in the aquaculture circulating water system can be effectively reduced.

The utility model relates to the field of sewage treatment, in particular to a grille decontamination device which comprises a lifting rod, triangular plates symmetrically fixed at two ends of the lifting rod, straight tooth rakes fixed at the rear ends of the bottoms of the triangular plates and provided with a plurality of straight teeth, and bent tooth rakes hinged at the front ends of the bottoms of the triangular plates and provided with a plurality of bent teeth. A connecting base is fixed to the middle of the top of the straight tooth rake, a first oil cylinder is hinged to the connecting base, a lever arm is fixed to the middle of the top of the bent tooth rake, the front end of an output shaft of the first oil cylinder is rotationally connected with the top end of the lever arm, a first inner buckling assembly is arranged at the front end of the straight tooth rake, and a second inner buckling assembly is arranged at the rear end of the bent tooth rake. The trash can has the advantages that the trash can be grabbed, namely, the trash can be removed, two mutually-acting inner buckling structures can be formed on the inner side of the straight tooth rake and the inner side of the bent tooth rake, the trash grabbing firmness can be further improved, the trash can be grabbed more cleanly, and therefore the trash removing effect is effectively improved.

The invention relates to a decontamination synergist as well as a preparation method and application thereof, and belongs to the technical field of daily chemicals. The decontamination synergist comprises the following components in percentage by mass: 5-30% of a nonionic surfactant, 1-20% of a cationic polymer, 5-45% of a green chelating agent and the balance of a solvent, the nonionic surfactant is isomeric alcohol polyoxyethylene ether, the cationic polymer is a cationic polyester polyether block copolymer, the green chelating agent is an amino acid derivative, and the solvent is an alcohol solvent. According to the decontamination synergist, the decontamination synergistic principle is deeply excavated, different substances are compounded in multiple dimensions to achieve synergistic interaction, and the decontamination synergist has excellent permeation assisting, chelating and dispersing effects, has a remarkable decontamination synergistic effect on clothes detergents and the like, can remarkably improve the decontamination effect of the detergents, reduces the use amount of the detergents, meanwhile reduces environmental pollution caused by chemical detergents in wastewater, and has a good application prospect. And the method has high application value in the field of daily chemicals.

The utility model relates to a powerful decontamination outdoor bath dry and wet tissue, which belongs to the technology of outdoor bath towels and comprises a composite wet tissue and a composite dry tissue which can be used separately, the outer side of the top of the composite wet tissue is provided with a Velcro hook surface, and the outer side of the bottom of the composite dry tissue is provided with a Velcro sticking surface. The composite wet tissue and the composite dry tissue are connected through matching of the hook-and-loop fastener hook faces and the hook-and-loop fastener sticking faces, the composite wet tissue is composed of a water-resisting layer, a quick-drying layer and a wiping layer which are sequentially arranged from top to bottom, the hook-and-loop fastener hook faces are located on the water-resisting layer, the two scrubbing layers are symmetrically sewn on the wiping layer, and the two scrubbing layers are located on the water-resisting layer. The composite wet tissue has the advantages that the composite wet tissue is novel and flexible in structure, diversified in use mode and good in decontamination effect, various requirements of outdoor bathing can be effectively met, and the composite wet tissue is convenient to use, high in practicability and wide in application prospect. And the practicability is high.

An indoor decontamination device which can realize a perfect decontamination effect by supplying a proper amount of a decontamination mist to each corner of a decontamination target room and improve an efficiency of a decontamination work by shortening a work time for an aeration or the like is provided. A fine decontamination mist with a favorable decontamination efficiency is employed, and a decontamination device main-body and a mist discharging dispersion device are provided. The decontamination device main-body includes a drive means and a liquid supply means for a decontamination chemical solution. The mist discharging dispersion device includes a mist discharging means and a mist dispersion means. The mist discharging means converts the decontamination chemical solution to the decontamination mist and supplies it into an inside of a work room. The mist dispersion means causes an acoustic flow to be generated by subjecting a vibration board to an ultrasonic vibration, causes a pressing force by an acoustic radiation pressure to act on the decontamination mist supplied into the work room, and causes the decontamination mist to be dispersed into the work room.

The utility model relates to sewage treatment technical field, concretely is a sewage treatment integrated intelligent circulation system, including ground, the ground top is fixed with anaerobic tank, the anaerobic tank right -hand member is fixed with oxygen -deficient pool, the oxygen -deficient pool right -hand member is equipped with the aerobic tank, the aerobic tank right -hand member is equipped with the electric catalysis advanced oxidation ware, the anaerobic tank the oxygen -deficient pool the aerobic tank with the electric catalysis advanced oxidation ware right -hand member all are equipped with the filter box, each the filter box right -hand member is fixed with the delivery pipe, the anaerobic tank the oxygen -deficient pool with the aerobic tank top all are equipped with the sealing plate, the anaerobic tank the oxygen -deficient pool with the aerobic tank inside all are equipped with stirring and sensor network, the utility model discloses through the synergies of multistage biochemical treatment and electric catalysis advanced oxidation, has improved the removal efficiency of each kind of pollutant in hospital sewage greatly, and the system avoids the disinfection by -product produced by chemical disinfection method, reduces the secondary pollution to the environment.

The utility model relates to the technical field of dust removal equipment, in particular to furnace body vacuum dust removal equipment which comprises a base, a liquid storage tank and a dust removal tank, the dust removal tank is installed at one end of the top of the base through bolts, a supporting plate is arranged on one side of the top end of the dust removal tank, and a vacuum pump is installed at the top of the supporting plate through bolts. An air purifier is mounted at one end of the vacuum pump through bolts, a mounting opening is formed in one side of the bottom end of the dust removal tank and located at the lower end of the supporting plate, and an ultrasonic transducer is arranged in the mounting opening in a sleeving manner. A liquid storage tank is installed at the other end of the top of the base through bolts, a backflow pipe is arranged at the upper end between the liquid storage tank and the dust removal tank, a backflow pump is arranged on the backflow pipe, and a control valve A is arranged at one end of the backflow pump; the furnace body vacuum dust removal equipment is good in dust removal and dirt removal effect on the surface of a workpiece, more environmentally friendly, high in practicability and suitable for wide application and popularization.

The invention belongs to the technical field of laundry detergents, and particularly relates to a plant-derived surfactant composition and application thereof in preparation of a mother-and-infant-level safe infant laundry detergent. The preparation method of the plant-derived surfactant composition comprises the following steps: (1) weighing the raw materials; (2) crushing tea saponin and soapnut saponin raw materials, respectively adding deionized water, soaking, and filtering; (3) adding the rest deionized water into the reaction kettle, starting stirring, adding coco-glucoside, and stirring; sequentially adding the tea saponin extracting solution and the soapnut saponin extracting solution into the reaction kettle, keeping the temperature unchanged, and stirring; and (4) continuing to add the licorice extract, continuing to stir, then adding citric acid, and uniformly stirring to obtain the plant-derived surfactant composition. The plant-derived surfactant composition disclosed by the invention is pure in component, and can be used for accurately and efficiently decomposing and removing special milk stains, complementary food stains and other complex stains for babies.

The application provides a concentrated detergent and a preparation method and application thereof, the concentrated detergent comprises anionic surfactant 1-20 parts, non-ionic surfactant 20-45 parts, softening agent 0.01-10 parts, washing aid 0.1-15 parts, deionized water by weight fraction. The concentrated detergent provided by the application can not only have good decontamination capacity, but also has the functional effects of making clothes soft, lasting fragrance and the like through the cooperation of non-ionic surfactant, anionic surfactant, softening agent and washing aid. In addition, the concentrated detergent provided by the application also has the advantages of convenient use and small dosage.

This utility model relates to the field of wastewater treatment technology, specifically to an industrial wastewater recycling and purification device, including a reaction chamber with a filter chamber fixedly connected to its top. This utility model utilizes an installation groove, installation frame, recessed handle, filter cotton installation frame, filter cotton installation groove, support plate, and filter cotton. The installation frame is pulled out of the installation groove using the recessed handle. Filter cotton pieces are then inserted one by one into the filter cotton installation groove. The support plate is then inserted into the gaps between the filter cotton pieces to ensure a more secure connection between the filter cotton and the installation groove. After installation, the filter cotton installation frame is placed into the installation frame, and then the recessed handle is used to insert the frame into the installation groove. The wastewater is then connected to the drain pipe and inlet, allowing wastewater to enter the filter chamber through the inlet. After being filtered by the filter cotton, the wastewater falls into the reaction chamber. The easily disassembled filter device enhances the practicality of the device.

The present application relates to the field of sanitary ware, and discloses a nozzle sterilization method of an intelligent closestool, comprising the following steps: step 100, a user starts a cleaning function; step 400, a spray rod is in an extended state, and a water outlet sprays hot water to perform flushing; step 500, the water outlet stops spraying water, and then the spray rod is retracted; step 800, a light-emitting part of a UV lamp assembly is turned on to perform sterilization; and step 900, the light-emitting part of the UV lamp assembly is turned off; wherein, steps 200 and 300 are arranged between step 100 and step 400; step 200, the spray rod is in a retracted state, the water outlet sprays hot water to flush the UV lamp assembly; step 300, the water outlet stops spraying water, and then the spray rod is extended; and / or, steps 600 and 700 are arranged between step 500 and step 800; step 600, the spray rod is in a retracted state, the water outlet sprays hot water to flush the UV lamp assembly; and step 700, the water outlet stops spraying water. The above method can effectively reduce the adhesion of dirt around the spray hole, has good sterilization effect, and guarantees the health of the user.

The invention relates to the technical field of detergents, in particular to an environment-friendly detergent concentrated solution and a preparation method thereof. The environment-friendly detergent concentrated solution is prepared from the following components in percentage by mass: 10-30% of water, comprising the following components: 5%-8% of fatty alcohol polyoxyethylene ether sodium sulfate, 2%-4% of sodium dodecyl benzene sulfonate, 3%-5% of diethanolamide, 3%-5% of lauryl sodium sulfate, 4%-5% of alkyl amide propyl betaine, 2%-5% of alkyl glycoside, 3%-5% of isomeric alcohol polyoxyethylene ether, 1%-3% of N-acylamino acid salt, 0.5%-2% of EDTA disodium, 1%-3% of hydantoin and the balance of pure water. The environment-friendly detergent concentrated solution disclosed by the invention is mainly prepared by compounding mild decontamination factors, is high in deoiling rate and good in decontamination effect, and can be applied to washing in various scenes.