36results about How to "Guaranteed disinfection and sterilization effect" patented technology

The invention discloses a water-saving, non-blocking, clean and sanitary automatic toilet which uses the human gravity switching force. A toilet cover is automatically closed and opened, so the toilet can flush automatically after being used. A lower opening of the toilet is separated in a piston or ball valve manner so as to circulate with the air in a lower pipeline. Compared with the sealing effect of the traditional water lock, the toilet has excellent effect and saves water. The toilet piston can move downwards (upwards) and rotate; an upper opening, a lower opening and a passage turning of the toilet are provided with fixing spray nozzles; a spray shaft pipe of the toilet is provided with a spray nozzle which is capable of rotating along the shaft; the water of the toliet is added by the tap water or is finished by pedalling; the spraying process is finished by recycling an elastic glue pipe; the pressure of cleaning stream of the toilet is greater than that of the traditional toilet; the toilet saves water; and the spray nozzles of the toilet has a sleeve structure. The toilet can be cleaned by the water steam; and a steam pot is provided with a heating passage which is communicated with the toilet ring. The structure of the connection passage ball valve of the toilet is controlled by the spraying pressure. The inner wall of the upper part of the toilet is provided with a camera.

The invention belongs to the technical field of washing machines, and aims to solve the problem that an existing drum washing machine does not has a drying function and therefore cannot effectively disinfect and sterilize clothes. The invention provides a clothes disinfecting and sterilizing method of a drum washing machine. The method comprises the following steps of injecting water into an outerbarrel until a set water level is reached; heating the water in the outer barrel to be water vapor until the temperature in the outer barrel reaches a target temperature; and maintaining the temperature in the outer barrel to be in a set temperature range for a set time to perform disinfection and sterilization treatment on the clothes in an inner barrel, wherein the target temperature is greaterthan a lowest temperature value in the set temperature range and less than a highest temperature value in the set temperature range, the target temperature is set to ensure that viruses and bacteriacannot survive at the temperature for a long time, and the set water level is lower than a lowest point of the inner barrel. The drum washing machine can realize disinfection and sterilization of theclothes and a user can quickly air-dry the clothes after the clothes are treated, thereby improving the user experience.

The invention discloses a fumigation disinfection machine. The fumigation disinfection machine comprises a sterilization cabin, wherein a mounting rack is arranged on the side wall of the sterilization cabin, a vacuum device, a heating device, a humidification device, a disinfectant supply device, a gasification device, a gasification circulating device and a residual gas treatment device are mounted on the mounting rack, the vacuum device is communicated with a pipeline of the gasification circulating device and the residual gas treatment device, the gasification circulating device, the gasification device and the sterilization cabin are sequentially communicated to form a circulating loop, and the disinfectant supply device is communicated with the gasification device. The disinfectant supply device is used for conveying a disinfectant quantitatively, the gasification circulating device, the gasification device and the sterilization cabin are communicated to form the circulating loop, secondary heating is performed on the inside of the sterilization cabin, humidity adjustment is performed, so that the sterilization effect on cultural relics is better, no damage can be caused to the cultural relics in the sterilization process, the safety of the cultural relic sterilization and disinfection process is guaranteed, disinfected gas is recovered, and harm to the environment and workers is prevented.

The invention relates to instrument pre-disinfection equipment for medical operation, in particular to disinfection equipment. According to the instrument pre-disinfection equipment for medical operation, sealing property of the inner portion of the equipment is good, bacteria is not prone to breeding in the equipment, and complete disinfection and sterilization of surgical instruments are ensured. The instrument pre-disinfection equipment for medical operation comprises a disinfection box, a water tank, a water outlet pipe, a first valve, a fixed plate, a box door, a handle, a first sliding rail, a first sliding block, a rack and the like. The water tank is arranged at the bottom of the inner side of the disinfection box, and the water outlet pipe is connected with the right wall of the water tank. The water outlet pipe penetrates through the right wall of the disinfection tank, and the first valve is arranged on the water outlet pipe. The instrument pre-disinfection equipment for medical operation has the effects that sealing property of the inner portion of the equipment is good, bacteria is not prone to breeding in the equipment, and complete disinfection and sterilization of surgical instruments are ensured, After the surgical instruments are soaked, a first electric heating wire can quickly dry the residual disinfectant on the surgical instruments, and a hairbrush can sterilize the surgical instruments more thoroughly.

The invention discloses a portable medicine sprayer for ear-nose-throat nursing. The device comprises a stirring tank, a medicine conveying pipe and a medicine storage pipe, a threaded rod penetratingthrough the side wall of the medicine storage pipe is transversely arranged in the middle of one side of a push plate, and a connecting pipe is mounted on one side, far away from the threaded rod, ofthe medicine storage pipe; a liquid blocking ball is arranged in the middle of the interior of the connecting pipe, a sleeve is transversely installed on the side, away from the medicine storage pipe, of the connecting pipe, the medicine conveying pipe is transversely arranged in the sleeve, a stirring tank is installed on the side, close to the connecting pipe, of the top end of the medicine storage pipe, and an adding opening is formed in the side, close to the connecting pipe, of the top end of the stirring tank. The liquid blocking ball is arranged in the connecting pipe, and when liquidmedicine flows too fast, the liquid blocking ball can be pushed to move towards the sleeve, so that the gap between the connecting pipe and the connector of the medicine conveying pipe becomes small,the flowing speed of the liquid medicine is decreased, and discomfort of a patient during medicine spraying due to the fact that the flowing speed of the liquid medicine is increased is prevented.

The invention discloses a squeezing and separating device and method for residues in domestic sewage. The squeezing and separating device comprises a treatment box and a plurality of supporting legs arranged at the lower end of the treatment box, wherein a feeding hopper for receiving materials is arranged on the upper left portion of the treatment box, and the lower end of the feeding hopper is connected with a disinfection assembly arranged in the treatment box and used for conducting primary disinfection treatment on sewage. The device is designed aiming at the defects of an existing device; a mixing mode of ozone and sewage is optimized to allow the sewage and ozone to be in full contact, so disinfection and sterilization effects are ensured; the sewage is allowed to flow from bottom to top, so treatment continuity is ensured; and by arranging two switchable material collecting boxes for solid-liquid separation, after switching of positions, one material collecting box continues to complete solid-liquid separation while the other material collecting box conducts unloading, and the two material collecting boxes are arranged in a staggered mode, so sewage treatment efficiency is guaranteed; and separated solid impurities can be removed in time, so the durability of the solid-liquid separation effect is guaranteed.

The invention discloses henhouse disease prevention disinfectant powder, and relates to the technical field of laying hen breeding. The henhouse disease prevention disinfectant powder is prepared from the following raw materials in parts by weight: 20 to 25 parts of quicklime, 20 to 30 parts of plant ash powder, 8 to 10 parts of andrographis paniculata water-extracting solid, 9 to 15 parts of scutellaria baicalensis water-extracting solid, 5 to 15 parts of berberine water-extracting solid, 6 to 8 parts of allicin water-extracting solid, 7 to 9 parts of rheum officinale water-extracting solid, 2 to 10 parts of houttuynia cordata water-extracting solid, and 6 to 8 parts of a preservative. The henhouse disease prevention disinfectant powder disclosed by the invention is reasonable in formula; natural sterilization formulae are mixed and allocated reasonably; the henhouse disease prevention disinfectant powder is reasonable, safe, quick in effect and low in cost, facilitates the enhancement of laying hen immunity, prevents diseases, resists diseases, does not have a toxic or side effect and does not pollute the environment.

The invention discloses an intelligent wardrobe, which comprises: a wardrobe main body which is provided with a containing cavity for containing clothes; a disinfection and sterilization device whichis arranged in the containing cavity and which comprises a shell and an ultraviolet sterilization light source, wherein the shell is provided with an accommodating cavity and a lamp hole, the lamp hole is communicated with the containing cavity and the accommodating cavity, and the ultraviolet sterilization light source is arranged in the accommodating cavity and corresponds to the lamp hole; a dehumidifying device which is arranged on the wardrobe main body and which comprises a shell and a refrigerating structure, wherein the shell is provided with a mounting cavity, a first air inlet and afirst air outlet, the first air inlet and the first air outlet are communicated with the mounting cavity, the refrigerating structure is arranged in the mounting cavity, and the first air inlet and the first air outlet are communicated with the containing cavity. The invention aims to provide the intelligent wardrobe which can realize cyclic dehumidification, ensure the dryness of clothes, and realize disinfection, sterilization and peculiar smell removal of the clothes at the same time.

The invention provides an intelligent sterilizing ultraviolet lamp for crowd gathered environment. The intelligent sterilizing ultraviolet lamp comprises a control box and a rotation ultraviolet lampassembly, wherein the control box comprises a control box base mounted at a roof; a master control plate, a ballast, a switch power source, a motor and a stroke switch mounting seat are arranged in the control box; the rotation ultraviolet lamp assembly comprises an ultraviolet lamp seat which is connected with a motor shaft, an ultraviolet lamp connected with the ultraviolet lamp seat and an ultraviolet lamp protection hood; and the master control plate is in control connection with the motor for driving the ultraviolet lamp seat to drive the ultraviolet lamp to rotate to a horizontal take-instate or a vertical operating state. The intelligent sterilizing ultraviolet lamp disclosed by the invention is high in intelligent degree, high in security coefficient, convenient to use and simplein structure, and the hidden danger of false operation when indoor human body moves can be eliminated; compared with traditional sterilizing methods including chemical disinfecting and sterilizing andthe like, the intelligent sterilizing ultraviolet lamp is higher in sterilizing speed, simpler to operate, more environmental-friendly, free from secondary pollution, lower in cost, and suitable forinactivating and disinfecting and sterilizing of various viruses and bacteria in various crowd gathered environment sites.

The invention discloses a preparation method and a preparation system of a gel disinfectant, and relates to the technical field of preparation of gel disinfectants. The preparation method of the gel disinfectant comprises the following steps: mixing acidic electrolyzed oxidizing water, a stabilizer and a buffer agent to prepare a mixed liquid; adding a gel agent into the mixed liquid while stirring to obtain a gel disinfectant; wherein the stabilizer comprises cyclodextrin, silicon dioxide and polyvinylpyrrolidone. According to the method, the acidic electrolyzed oxidizing water is mixed withthe compounded stabilizer and buffer agent to quickly prepare the stable gel disinfectant, so that the gel disinfectant has a stable preservation effect, the shelf life of the gel disinfectant is prolonged, and the gel disinfectant is convenient for long-distance transportation and long-term preservation. According to the preparation system, the gel disinfectant can be rapidly prepared through connection and cooperation of the electrolysis device and the synthesis device, the synthesis efficiency is high, and the gel disinfectant which is long in shelf life and friendly to skin tissues can beobtained.

The invention provides a disinfection cap. The disinfection cap comprises a cap body and a sealing part. The cap body comprises a cap body connector, a cap body bottom and a cap body side wall. A cap body inner cavity is defined by the cap body bottom and the cap body side wall jointly, a volatile disinfectant is stored in the cap body inner cavity, the cap body connector is sealed by the sealing part, and the cap body inner cavity is prevented from making contact with the exterior; in order to avoid the situation that the disinfectant enters a human body blood circulation system through a medical joint to generate the serious medical risk, the cap body is provided with at least one communicating opening for enabling the cap body inner cavity and the exterior to be communicated, air-permeable liquid-tight air-permeable films are arranged on the communicating openings, and disinfectant steam can volatize to the exterior through the air-permeable films. The medical joint is disinfected and sterilized, and the medical joint is located in the sterile dry environment.

The invention discloses a five-axis minimally invasive instrument integration system. The system comprises a surgical instrument, and a surgical unit, a deflection unit and a supporting unit which match the surgical instrument; the surgical instrument is configured to comprises a surgical head and an instrument rod; an universal adjusting assembly is arranged on the instrument rod; and at least one matching visual tracking point is arranged on the universal adjusting assembly. Compared with the prior art, the five-axis minimally invasive instrument integration system is used for solving the problems that in the prior art, a surgical head is fixedly connected with an instrument rod, and one instrument rod matches one surgical head, so that the cost of equipment is increased, and meanwhile the congenital defect that the existing surgical head cannot be replaced is overcome; and in addition, the matching visual tracking point is arranged at the adjusting assembly at the front end of the instrument, so that a camera in an endoscope can be guided to focus in real time, the position of the surgical head can be determined in real time, the surgical head is prevented from being in unnecessary contact with organs in an abdominal cavity, and the surgical risk is reduced.

The invention discloses a cultivation test device for influence of microelements on crops, and belongs to the technical field of cultivation tests. The cultivation test device comprises a cultivation test box, multiple groups of cultivation assemblies and an irrigation assembly, wherein each cultivation assembly comprises a cultivation test box and nutrition cultivation soil, a long installation plate is fixedly connected between the side inner wall of the cultivation test box, the cultivation test box is arranged on the long installation plate, and the nutrition cultivation soil is arranged in the cultivation test box; and the irrigation assembly comprises a clear water storage box, a nutrient solution storage box and a plurality of atomization nozzles, the clear water storage box and the nutrient solution storage box are connected to the tops of the cultivation test boxes through bolts, and feeding ports are formed in the tops of the clear water storage box and the nutrient solution storage box. Crops are cultivated by utilizing the plurality of cultivation test boxes, different types or different contents of trace elements can be added into different nutrient cultivation soil for cultivation, and the influence of different types or different contents of trace elements on crop growth is observed by utilizing contrast tests.

The invention discloses a disinfection wet tissue and a using method thereof. The disinfection wet tissue comprises a wet tissue box, a first cavity and a second cavity are formed in the wet tissue box, the first cavity is located at one end of the wet tissue box, the second cavity is located at the other end of the wet tissue box and is adjacent to the first cavity, a rotating shaft is arranged in the first cavity, and the two ends of the rotating shaft are rotationally connected with the two sides of the first cavity respectively; non-woven fabric is arranged on the rotating shaft, one end of the non-woven fabric is wound on the rotating shaft, an extraction opening and a cover plate are arranged on the wet tissue box, the extraction opening is communicated with the second cavity, the cover plate completely covers the extraction opening and is connected with the wet tissue box in a sealed mode, and wet tissue disinfectant and a draining assembly are arranged in the second cavity. The other end of the non-woven fabric sequentially penetrates through the side wall of the first cavity, the wet tissue disinfectant and the draining assembly are located in the extraction opening, a cutting device is arranged at the extraction opening, and the non-woven fabric is in sealed sliding connection with the side wall of the first cavity. The disinfection wet tissue has the beneficial effect that the humidity of the disinfection wet tissue can meet the use requirement when the disinfection wet tissue is used.

The invention provides a disinfecting cap. The disinfecting cap comprises a cap body and a sealing part. The cap body comprises a cap body connector, a cap body bottom and a cap body side wall. A cap body inner cavity is defined by the cap body bottom and the cap body side wall jointly, a volatile disinfectant is stored in the cap body inner cavity, the cap body connector is sealed by the sealing part, and the disinfectant inside the cap body inner cavity is prevented from volatilizing. In order to solve the technical problem that during use, the disinfectant flows out of the cap body inner cavity, a barrier film in an iris shape is arranged on the cap body connector, the barrier film is provided with a through hole allowing a medical joint to penetrate, and when the cap body inclines in the horizontal direction, by means of the barrier film, the disinfectant is prevented from flowing out of the cap body inner cavity.

The invention relates to the technical field of sterilizing lamps and discloses an intelligent induction sterilizing lamp of a lift. The intelligent induction sterilizing lamp of the lift is arrangedon the top of a lift car and comprises a lamp body and a control board. A cavity is arranged in the lamp body. A light transmitting plate is arranged on the lower portion of the lamp body. The cavityis provided with multiple ultraviolet light emitting bodies which are electrically connected with the control board. The middle portion of the light transmitting board is provided with multiple air outlets. The outer peripheral side wall of the lamp body is provided with an air return opening. An extractor ventilator is arranged in the cavity and electrically connected with the control board. Theextractor ventilator is provided with a suction opening and an air blowing opening. The suction opening of the extractor ventilator faces the air return opening. The air blowing opening of the extractor ventilator faces the air outlets. When a person is in the lift car, the control board stops the ultraviolet light emitting bodies and the extractor ventilator; when no person is in the lift car, the control board starts the ultraviolet light emitting bodies and the extractor ventilator; and in this way, intelligent control is achieved, the ultraviolet light emitting bodies and the extractor ventilator cooperate to achieve mobile sterilization and distinction, and the sterilization and distinction effect is improved.

The invention relates to the technical field of disinfection, and discloses a chlorine dioxide disinfection method. The chlorine dioxide disinfection method comprises a shell, wherein a disinfection mechanism is movably connected to the interior of the shell, the disinfection mechanism comprises a treatment assembly for cleaning tableware and a fastening assembly for supporting and positioning the tableware, the treatment assembly is movably connected to the interior of the shell, and the fastening assembly is fixedly connected to the interior of the shell; a movable plate is rotated through the rotation of a turntable, the movable plate is rotated to enable a spraying plate to spray a disinfectant formed by mixing chlorine dioxide and liquid water to the tableware, the movable plate is rotated to enable a friction plate to clean dirt on the surface of the tableware, so that the tableware is simultaneously decontaminated and disinfected, and meanwhile, the safety and the disinfection effect are better; and the tableware is fastened and fixed by a clamping plate and a groove, so that the tableware is stably placed, meanwhile, the high efficiency and quality of the tableware disinfection can be guaranteed, and the environmental protection and good economic efficiency of the tableware disinfection are realized.

A detachable disinfection mask is disclosed, which comprises a mask body, mask body fixing devices and a disinfection device, wherein the mask body fixing devices are arranged on the left side and theright side of the mask body respectively and used for fixing the mask body to the left ear, the right ear or the head; the mask body comprises an adsorption layer, a filtering layer and a skin-friendly layer which are sequentially arranged from outside to inside, and is used for filtering external bacteria adsorbed on the mask body; the disinfection device is detachably attached to the outer sideof the adsorption layer and used for disinfecting the mask body. The disinfection device in the mask can be attached to the outer side of the mask body at any time for disinfection, the mask body canbe replaced according to needs, and the cost is effectively saved while the disinfection and sterilization effect is guaranteed.

The invention discloses a medicine bottle sterilization device. The device comprises a station table and a rotary disc located on the station table and rotationally connected with the station table, a plurality of bottle body positioning grooves are formed in an edge of the rotary disc, a spray head base capable of ascending and descending vertically is arranged above the rotary disc, a lifting rod is arranged at an upper end of the spray head base, a rack for positioning the lifting rod is arranged on the station table, the spray head base is provided with a plurality of spray heads arranged in a circumferential direction of the spray head base, connecting rod mechanisms connected with the spray head base are arranged on the spray heads, an ejector rod sliding up and down is arranged in the lifting rod, a channel communicated with the spray heads is formed in the ejector rod, and when the ejector rod moves downwards relative to the lifting rod, the connecting rod mechanisms drive the spray heads to turn over from bottom to top. The device aims to improve efficiency of sterilization and disinfection and reduce the number of stations required for a sterilization process.

The invention discloses a portable medicine sprayer for ear, nose and throat care, which comprises a stirring tank, a medicine delivery pipe and a medicine storage pipe. A threaded rod penetrating through the side wall of the medicine storage pipe is horizontally arranged at the middle position on one side of the push plate. A connecting pipe is installed on the side of the drug storage tube away from the threaded rod, and a liquid blocking ball is arranged in the middle of the connecting tube, and a sleeve is installed on the side of the connecting tube away from the drug storage tube horizontally. A drug delivery tube is arranged horizontally inside the drug storage tube, a stirring tank is installed on the side close to the connecting pipe at the top of the drug storage tube, and an adding port is arranged on the side close to the connecting pipe at the top of the stirring tank. In the present invention, by setting the liquid blocking ball inside the connecting pipe, when the liquid medicine flows too fast, the liquid blocking ball will be pushed to move toward the casing, so that the gap between the connecting pipe and the drug delivery tube becomes smaller, and the flow speed of the liquid medicine is slowed down. Prevent the speed of liquid medicine flow from accelerating, causing discomfort to the patient when spraying medicine.

The invention relates to the technical field of disinfection bins, in particular to an ultraviolet disinfection bin for garbage transfer treatment. A water guide pipe is arranged at the center of an ultraviolet column, the water guide pipe penetrates through the ultraviolet column from top to bottom, and integrally formed air inlets are uniformly formed in the outer surface of the upper end of the ultraviolet column; the gaps among the plurality of air inlets are the same; the outer surface of the lower end of the ultraviolet column is uniformly provided with air blowing openings which are integrally formed, and the distances between the air blowing openings are the same. The device has the beneficial effects that external garbage is guided into the upper surface of the spiral conveying belt at the bottommost end, then the garbage is slowly conveyed to the upper end from the bottom end through autorotation of the spiral conveying belt, garbage operation in the next working procedure is facilitated, and in the conveying process, through the effect of air blowing openings in the surface of the bottom end of an ultraviolet column, garbage on the surface of the spiral conveying belt can be air-dried, what is guaranteed is that a large amount of water on the surface of the garbage is volatilized, and therefore the garbage is pretreated for the first time.

The invention relates to the technical field of ozone preparation, in particular to an ozone water preparation device and a method. The ozone water preparation device according to the present invention comprises: an ozone generator for electrolyzing water to generate ozone water; a water outlet pipe which is connected to the outlet end of the ozone generator so as to output ozone water generated by the ozone generator; a cooling device which is arranged on the outer wall of the water outlet pipe, so that the temperature of the ozone water in the water outlet pipe does not exceed a set temperature; and a liquid conveying device which enables water for electrolysis to enter the ozone generator to be electrolyzed to generate ozone water, and outputs the generated ozone water through the water outlet pipe, so that the ozone water acts on an object to be disinfected. According to the ozone water preparation device and method, high-purity ozone water can be rapidly prepared, the ozone water can obtain a good storage environment before disinfection, ozone water decomposition is slowed down, it is ensured that high-concentration ozone water is obtained, and the disinfection and sterilization effect is guaranteed.

The invention relates to the technical field of life electric appliances, in particular to a bath heater which comprises a case, an air inlet and an air outlet are formed in the case, and an air duct communicated with the air inlet and the air outlet is formed in the case; the fan is arranged in the air duct; the first heating structure is arranged in the air duct; the high-voltage purification module is arranged in the air duct and comprises a first high-voltage power supply module; the discharging part is connected with the first high-voltage power supply module; the high-voltage electrode is connected with the second high-voltage power supply module; and the grounding electrode is of a plate-shaped structure, and the grounding electrode is opposite to the high-voltage electrode and is grounded. When the high-voltage purification module works, the discharge part discharges to ionize microorganisms in the air, damage microbial bacterial cell membranes and generate irreparable damage to achieve the sterilization effect, and the ionization sterilization method is free of pollution and chemical residues and is a green and environment-friendly sterilization mode.

The invention provides an ozone water disinfectant manufacturing machine. The ozone water disinfectant manufacturing machine comprises a water tank (10), an ozone water generating device, a temperature control device (3) and a spray head (2), the water tank (10) is connected with the ozone water generating device and provides a water source for the ozone water generating device, and the ozone water generating device is connected with the spray head (2) and conveys generated ozone water to the spray head (2). And the temperature control device (3) is used for adjusting the temperature of ozone water on the conveying pipeline between the ozone water generating device and the spray head (2). According to the ozone water disinfectant manufacturing machine, the purity of ozone water during sterilization and disinfection can be guaranteed, and the sterilization and disinfection effects are guaranteed.

The invention provides an air dedusting and purifying environmental protection device for the environmental protection machinery, which comprises a box body, a partition plate is vertically arranged in an inner cavity of the box body, the partition plate divides the inner cavity of the box body into a left cavity and a right cavity, and a water injection pipe used for injecting clear water into the left cavity is arranged at the bottom of the box body; a gas inlet pipe extending into the left cavity and used for introducing dusty gas into the left cavity is arranged at the top of the box body,a gas guide channel used for guiding gas into the right cavity from the left cavity is formed in the top of the box body, and a first frame and a second frame which can slide out of the right cavityare sequentially arranged in the right cavity from top to bottom; a dust filtering net and an activated carbon adsorption net are sequentially arranged in the first frame from top to bottom, ultraviolet lamps are evenly arranged on the inner wall of the periphery of the second frame, and an exhaust pipe used for exhausting gas in the right cavity is arranged at the bottom of the box body. The gaspurification and dust removal effects can be guaranteed, and meanwhile the gas disinfection and sterilization effects can be guaranteed.

The invention discloses an automatic chlorination device for sewage pretreatment, the automatic chlorination device comprises a storage box, a feeding box, a screw rod, a driving assembly, a transmission assembly and a controller, the screw rod is horizontally arranged in the feeding box, the feeding box is provided with a feeding port at a position close to a first end of the screw rod, the feeding box is provided with a discharging port at a position close to a second end of the screw rod, and the feeding port and the discharging port are located in the two opposite side walls of the feeding box correspondingly; the storage box is configured to be used for storing a chlorine-containing disinfectant and is connected to the feeding port; the driving assembly is connected to the screw rod through the transmission assembly so as to drive the screw rod to rotate; the controller is electrically connected to the driving assembly, and the controller is configured to communicate with an external flowmeter and control starting and stopping of the driving assembly according to flow data collected by the flowmeter. The invention also provides a sewage pretreatment method using the automatic chlorination device. Automatic and accurate chlorination can be realized by monitoring the actual sewage flow in real time.

The invention relates to a manual disinfection type measuring tape and a multi-purpose ruler pen with a hand disinfection function. The manual disinfection type measuring tape comprises a measuring tape body, a casing of the measuring tape body is provided with a tape outlet, and a tape is led out from the tape outlet. A disinfection cavity is formed in a tape band outlet in the shell, the tape band outlet is formed in the center of the bottom of the disinfection cavity, two wiping disinfection devices which are symmetrically distributed with the tape band outlet as the center are installed in the disinfection cavity, and when a doctor pulls out the tape band to measure the length of an external connection pipe, disinfection cotton pieces in the wiping disinfection devices can wipe the surface of the tape band. The surface of the tape can be sterilized and disinfected by the disinfectant infiltrated in the disinfection cotton pieces, so that the cleanliness of the tape is ensured, the problem of bacterial and virus infection is avoided, and the tape is safe, reliable and convenient to operate. According to the multi-purpose ruler pen, the manual disinfection type measuring tape is organically combined with a medical pen which is most commonly used by a doctor, so that the doctor is prevented from rummaging the measuring tape in various tools, and the working efficiency is improved.

The invention provides an iodine disinfection tablet and a preparation method thereof, the iodine disinfection tablet comprises the following components by weight: 0.1-3 parts of iodine, 5-20 parts of an organic acid, 0.05-15 parts of an effervescing agent, 1-2.5 parts of a disinfection enhancer, and the balance of a solid drug carrier, the preparation method of the iodine disinfection tablet comprises: (1) drying the organic acid, the effervescing agent and the disinfection enhancer; and (2) mixing iodine with the dried organic acid, effervescing agent, disinfection enhancer and solid drug carrier. The iodine disinfection tablet produced by the invention can be prepared into various specifications according to actual requirements, is high in flexibility, widens the application range of iodine disinfection products, improves the portability of the iodine disinfection products, and ensures the disinfection and sterilization effects and also has a long-acting antibacterial effect by adding a guanidine disinfectant into the iodine disinfection tablet.

The invention discloses a method for arranging ultraviolet lamps in ultraviolet disinfection equipment for secondary water supply. The irradiation time required to receive the effective dose of safe ultraviolet rays at different distances from the center of the tube; 3. Calculate the theoretical minimum value of the cross-sectional area of ​​the corresponding disinfection container; 4. Determine the arrangement and number of ultraviolet lamps in the disinfection container; 5. First Determine the best arrangement scheme, and then determine the cross-sectional size of the disinfection container. The present invention determines the optimal arrangement scheme of ultraviolet lamps in the disinfection container under the requirement of meeting the maximum water flow rate through the method of quantitative calculation, and determines the cross-sectional size of the disinfection container so as to minimize the ineffectiveness of ultraviolet disinfection equipment. The risk of exerting the disinfection and sterilization effect provides an effective guarantee for the safety of drinking water.