47results about How to "Reduce health risks" patented technology

The utility model discloses a material nozzle structure of a filling machine, and particularly relates to the field of material nozzles, the material nozzle structure comprises a filling blanking nozzle, a cut-off assembly I is arranged in the filling blanking nozzle, a blanking nozzle cavity is fixedly arranged at the top of the cut-off assembly I, a self-cleaning mechanism is arranged at the top of the blanking nozzle cavity, and the self-cleaning mechanism is arranged at the bottom of the blanking nozzle cavity. A discharging pipe is arranged on one side of the discharging nozzle cavity in a penetrating mode, a second cutting-off assembly is arranged outside the discharging pipe, a check valve is arranged in the discharging pipe, and a feeding port is formed in one end of the discharging pipe in a penetrating mode. According to the utility model, the problem that honey is adhered to the blanking nozzle cavity and the filling blanking nozzle can be effectively solved, residual honey in the blanking nozzle can be automatically removed, blockage caused by drying and crystallization of the honey is prevented, and the pollution problem caused by bacteria breeding due to long-time residual honey in the blanking nozzle cavity and the filling blanking nozzle is prevented; meanwhile, the downtime caused by cleaning is remarkably shortened, the sanitary risk of the downtime caused by cleaning is remarkably reduced, the continuous production efficiency and the sanitary safety of products are guaranteed, and cross contamination is avoided.

The utility model discloses a surface quick processing equipment is used in spring manufacturing, including work table, the work table upper end fixedly connected with U -shaped support, the U -shaped support inner bottom rotatable connection has the tooth defect gear, first gear and second gear, first gear is engaged with tooth defect gear and second gear, first gear lower fixedly connected with rectangular slide sleeve. The utility model discloses reasonable in structure, through the first gear and second gear linkage mechanism of design, drive reciprocating screw rotation, drive the rectangular slide bar reciprocating motion in the slide bush with connecting rod and nut. In this process, rectangular slide sleeve rotates with first gear, and rectangular slide bar is rotated synchronously. When spring is immersed in rust preventive and rises, the rotary action of rectangular slide bar effectively shakes off the excess rust preventive on spring, realizes the automatic rust preventive treatment, avoids manual direct contact, reduces health hazards, improves work efficiency significantly, saves manpower and time cost.

The utility model belongs to the technical field of textile, particularly relates to a cleaning device for a drafting roller of a spinning machine, and aims to solve the problems that the cleaning efficiency of the roller is low and the health of operators is influenced in the prior art. The leather roller conveying device is used for bearing and conveying leather rollers; the leather roller cleaning device is used for cleaning the surface of the leather roller and arranged on the side, away from the leather roller conveying device, of the leather roller; the dust removal device is used for collecting flying catkins generated in the cleaning process. Automatic conveying of the leather rollers is achieved through the leather roller conveying device, the cleaning operation time is remarkably shortened, the dust removal device directly adsorbs floating objects such as flying catkins and cotton wool generated in the cleaning process, pollutants are effectively prevented from being diffused to the operation space, and the health risk that operators inhale harmful flying catkins is reduced.

The utility model relates to the related technical field of down feather recovery, discloses an air discharging and purifying device for a down feather production workshop, and aims to solve the problems of down feather waste, worker health damage, fire safety risk and the like in the down feather production process. An underground down absorbing system capable of absorbing down on the ground is arranged below a tempered floor, when the absorbed down is conveyed to a central recycling system, sorting of the down is achieved through an amplifier, and the flying down and the falling down can be recycled for the second time; meanwhile, air in the absorption process is subjected to water filtration and activated carbon deodorization through a rear-end filtering system, cleaner air can be discharged into a down feather production workshop, the working environment in the down feather production workshop is effectively improved, and finally the effects of down feather absorption, sorting and air purification are achieved.

The invention relates to a food-grade stainless steel bottle cap of a wine bottle, most of the bottle caps of the wine bottles all over the world are plastic products, a small part of the bottle caps are aluminum products, and in order to overcome the defects that the plastic products and the aluminum products have potential health hazards, the manufacturing material of the bottle cap is changed into food-grade stainless steel, so that the potential health hazards are greatly reduced; and the psychological burden of people is greatly reduced. Certainly, bottle caps of wine bottles can also be made of healthy glass and other various very obvious healthy materials so as to reduce the potential health hazards, and the bottle caps of the wine bottles, bottle caps of other various beverage bottles and food seasoning bottles, and caps of soybean milk machines and food crushers can be all made through the method.

The invention provides automatic medium-pressure preparation and separation equipment, an automatic medium-pressure preparation and separation method and an automatic separation and preparation system. The automatic medium-pressure preparation and separation equipment comprises a workbench; the sample loading, liquid adding and needle cleaning module, the column packing module, the fraction collecting module, the carrying mechanism and the pump valve module are arranged on the workbench; the mobile phase cache module, the sample loading liquid adding and needle cleaning module which are arranged independent of the workbench are used for sucking sample liquid and cleaning a sample loading needle; chromatographic columns and / or sample loading columns are installed on the column loading module through a carrying mechanism, samples are separated, and the chromatographic columns and / or the sample loading columns of various specifications can be arranged in the column loading module; the fraction collection module is used for collecting fractions; the carrying mechanism is used for transferring materials on the sample loading, liquid adding and needle cleaning module, the column packing module and the fraction collecting module; the mobile phase cache module caches the required mobile phase; and the pump valve module is respectively communicated with the sample loading, liquid adding and needle cleaning module, the column packing module, the fraction collecting module and the mobile phase caching module and is used for providing power for liquid transmission among the modules. According to the invention, automation and unmanned operation of the whole process of medium-pressure preparation and separation are realized.

This utility model discloses a disinfection cabinet for shoes and bags that can collect ozone, relating to the field of disinfection equipment technology. The cabinet includes a cabinet body with an ultraviolet lamp inside for disinfection and ozone generation. The cabinet has a door and a shelf inside. An air duct is located near the bottom of the cabinet. An ozone collection bag is located on the outside of the cabinet, connected to the inside of the cabinet via the air duct, which has a check valve. A piston airbag is located on the top of the inside of the cabinet, and a miniature fan is located on the top of the cabinet to inflate the piston airbag, forcing ozone-containing gas inside the cabinet through the check valve into the ozone collection bag. An exhaust pipe is also located on the outside of the cabinet, with a miniature fan and a one-way valve at the end. This utility model transfers ozone to a detachable collection bag by squeezing it with the piston airbag and prevents ozone backflow through the check valve, reducing the odor residue and health risks associated with direct ozone emission.

This application relates to a water purifier control method, system, electronic device, and storage medium. The method may include: timing the flow of water from the purifier's tap when water flow stops, obtaining a timing duration; activating a tap sterilization mode when the timing duration reaches a first preset duration; heating the water flowing from the water outlet of the water purifier's warm water tank while the water purifier is in tap sterilization mode, and activating the tap and controlling the discharge of water heated to the preset temperature once the water from the warm water tank outlet reaches a preset temperature. According to the technical solution provided in this application, the tap can be automatically sterilized based on the first preset duration, improving the sterilization efficiency of the water purifier and reducing the need for manual tap sterilization by the user, thus improving the user experience.

The invention relates to an electric extending fork (2), a fork-lift truck or pallet truck provided therewith, and method therefor. The electric extending fork comprises: - a base fork (6) arrangeable on a fork-lift truck or pallet truck; - a sliding fork (4) connected slidably to the base fork; - an electrical drive system (10) configured to slide the sliding fork out and in relative to the base fork, wherein the drive system is provided with a flexible coupling to the sliding fork; and - a support element (26) arranged in or on the base fork.

The double-cover-opening garbage can is composed of a can body, a containing box, an opening and closing mechanism and a sealing cover assembly. A first opening is formed in the top of the can body, the containing box is connected with the inner wall of the can body, and the opening and closing mechanism is hidden in the containing box. The sealing cover assembly is provided with a first sealing cover and a second sealing cover which are located at the first opening. The output end of the motor is connected with the first sealing cover and hinged to the first end of the connecting rod assembly, and the second end of the connecting rod assembly is hinged to the second sealing cover. The motor is started in the forward direction to drive the first sealing cover to turn upwards and drive the second sealing cover to turn upwards synchronously through the connecting rod assembly, so that the first opening is opened; and during reverse starting, the first sealing cover is turned over downwards, and the second sealing cover is turned over downwards synchronously by means of the connecting rod assembly, so that the first opening is closed. According to the garbage can, the sealing cover is automatically opened and closed under the driving of the motor, a user does not need to directly touch the garbage can cover with hands, the hands are prevented from being in contact with pathogens, and the risk of health problems caused by contact with the pathogens is greatly reduced.

The utility model discloses an automatic loading and unloading polyester dyeing integrated device, which relates to the technical field of polyester dyeing and comprises a base, a support plate is fixedly mounted at the top of the base, a transverse connecting block is fixedly mounted at the bottom end of the side wall of the support plate, and a connecting rod is rotatably mounted at the side end of the transverse connecting block. A guide plate is rotatably mounted at the bottom end of the connecting rod, a fixing column is fixedly mounted on the inner wall of the guide plate, a guide rod is rotatably mounted on the outer wall of the fixing column, a vertical connecting block is rotatably mounted at the top of the guide rod, and a cloth suction machine is fixedly mounted at the top of the vertical connecting block and slidably mounted on the inner wall of the supporting plate. According to the utility model, through the synergistic effect of the components such as the cloth suction machine, the guide plate and the inclined filter plate, the automatic feeding, dyeing, discharging and drying processes of polyester materials are realized, an operator is prevented from being in direct contact with a high-temperature dyeing solution, and the exposure time of the operator in a high-temperature environment is shortened, so that the health risk is reduced.

The invention discloses a building energy-carbon double-control and equipment predictive maintenance linkage energy consumption optimization method, and aims to solve the problems that equipment efficiency degradation'no fault but high energy consumption 'is difficult to recognize in time and is difficult to link with energy-carbon control. A control state feature sequence is generated, an equipment health risk sequence is output, a health constraint multi-target optimization model of energy consumption, carbon emission and health risks is established, a control target parameter set containing reward and punishment parameters and constraint parameters is generated, and a safety reinforcement learning controller is adopted to generate, verify and correct control actions, issue and execute the control actions. Constructing an action condition expected energy consumption model to obtain expected energy consumption, forming a total residual error with actual energy consumption, combining execution feedback to obtain an execution residual error, decomposing the execution residual error to generate an efficiency residual error, screening a health window according to the health risk and the execution residual error, and self-updating a baseline model only by using health window data; and determining a degradation threshold based on the health window, calculating an efficiency degradation index, additional energy consumption and additional carbon emission, triggering a maintenance instruction, updating a control target parameter set, and achieving the technical effects of energy consumption and carbon emission optimization, efficiency degradation identification and maintenance linkage.

The invention discloses a sun-screening and repairing cosmetic composition as well as a preparation method and application thereof. The sun-screening and repairing cosmetic composition is prepared from the following components in parts by mass: 0.5 to 50 parts of a physical sun-screening agent, 0 to 30 parts of a chemical sun-screening agent, 0.5 to 20 parts of a humectant, 0.05 to 5 parts of an antioxidant, 1 to 5 parts of an emulsifier and 0.1 to 5 parts of other auxiliary components, the physical sun-screening agent comprises zinc oxide and / or titanium dioxide; the particle size of the zinc oxide and / or the titanium dioxide is greater than 100nm, and the radius-thickness ratio of the zinc oxide and / or the titanium dioxide is (30-40): 1. The sunscreen and repair cosmetic composition provided by the invention has the effects of efficient sunscreen, anti-oxidation repair, moisturizing and soothing, and can be widely applied to preparation of various sunscreen and repair cosmetics such as sunscreen cream, sunscreen emulsion, sunscreen spray and the like.

The invention relates to the technical field of medical instruments, in particular to an anaesthetic mask which comprises a mask body, an air inlet is formed in the mask body and communicated with a cavity formed by the mask body, an external annular air bag is arranged on the periphery of an opening of the mask body, and a sealing ring piece is arranged on the outer edge of the air bag. The sealing ring piece is made of flexible materials, the thickness of the outer edge of the sealing ring piece is smaller than that of the inner edge of the sealing ring piece, and the sealing ring piece is tightly attached to the skin of a patient. By arranging the external annular air bag and the flexible sealing ring piece, the external annular air bag can be tightly attached to the facial contour of a patient after being inflated, and basic support is provided for sealing; the sealing ring piece is made of silica gel flexible materials, the thickness of the outer edge is smaller than that of the inner edge, a gradually-changed attaching structure is formed, the sealing ring piece can be tightly attached to the skin to reduce gaps, the sealing ring piece can adapt to face curves of different patients, anesthetic gas leakage is effectively avoided, and the health risk of medical staff is reduced.

The utility model relates to sand making machine technical field, concretely is a vertical impact sand making machine, it includes installation platform, set up in the discharge gate of installation platform top, set up in the broken chamber of discharge gate top, set up in the distribution chamber of broken chamber top, dustproof mechanism, feeding adjusting mechanism and feeding frame: dustproof mechanism sets up in the inboard of distribution chamber, feeding adjusting mechanism sets up on dustproof mechanism, feeding frame sets up on dustproof mechanism. The utility model discloses through the setting of feeding adjusting mechanism, rotates threaded rod and drives the movement of feeding plate on the feeding frame, to adjust the amount of each suitable conveying according to different kinds of material, like this can avoid the different material conveying capacity too big or too small to cause the productivity and the broken quality to drop, and through the adjustment conveying capacity, can control the impact intensity, prolongs the service life of vulnerable part, can accurate control finished product granularity simultaneously, satisfies the demand of different engineering of concrete, pitch etc.

The application relates to the technical field of PVC heat stabilizer preparation, in particular to a preparation method of a stearate intercalated hydrotalcite anti-zinc-burn PVC heat stabilizer. The method comprises the following steps: synthesizing a magnesium-aluminum hydrotalcite precursor containing carbonates between layers; intercalating and modifying the precursor in an organic solvent by using stearic acid and purifying the stearic acid by using acetone to obtain stearate intercalated hydrotalcite; respectively preparing stearic acid rare earth, zinc acrylate and calcium stearate; mixing the above components and antioxidants and lubricants in kneading equipment, and controlling temperature and moisture content to obtain a final product. Through the synergistic effect of the stearate intercalated structure and the metal soap component, the zinc burning phenomenon in the PVC processing process is effectively inhibited, and the initial coloring property and long-term thermal stability of the material are improved.

This utility model relates to a thread grinding machine, including a base, a chuck and a tailstock for clamping workpieces, and a horizontally movable wheel frame. A grinding wheel spindle and a drive motor are mounted on the wheel frame. A material discharge hole is formed on the upper surface of the base between the chuck and the tailstock. A funnel-shaped material collection bin with openings at both the top and bottom is installed at the bottom of the material discharge hole. A cleaning brush adapted to the inner wall of the material collection bin is installed inside the bin. The cleaning brush is connected to the base via a horizontal slide, and one end of the cleaning brush is connected to the wheel frame. The cleaning brush moves synchronously with the wheel frame, cleaning debris adhering to the inner wall of the material collection bin. This utility model, by providing a material discharge hole on the base and installing a funnel-shaped material collection bin, utilizes the horizontal movement of the wheel frame to drive the synchronous movement of the cleaning brush, achieving periodic cleaning of the inner wall of the material collection bin, effectively avoiding equipment failure and reduced machining accuracy caused by debris accumulation.

The invention discloses a closed purification type chemical experiment safety demonstration device, and belongs to the field of chemical flue gas recovery. The device comprises a demonstration table body, a glass panel is arranged on the rear side of the demonstration table body, back suction side plates with negative pressure suction pumps are arranged on the two sides of the demonstration table body, and a primary purification mechanism and a secondary purification mechanism are arranged in the demonstration table body. The first-stage purification mechanism comprises a spiral pipe and a liquid medicine nozzle, and the second-stage purification mechanism comprises an elastic rubber pipe and a sponge filter body in the elastic rubber pipe. According to the invention, harmful gas source trapping is realized by combining negative pressure suction; primary purification is formed by utilizing a Venturi effect, ultrasonic atomization and centrifugal gas-liquid separation, and secondary deep adsorption is realized by matching with a sponge filter body capable of self-adaptively extending, so that the problem that toxic gases such as nitrogen oxides and the like are not thoroughly purified is effectively solved. The device further has the functions of scrubbing agent recycling, on-demand spraying and sponge filter body self-cleaning, the health risk of teachers and students is remarkably reduced, the structure is compact, operation is convenient and fast, and the device is suitable for toxic gas experiment demonstration in classroom teaching.

This invention relates to a continuous through-type integrated spraying and drying equipment, comprising a conveyor belt, a cabinet panel heating seat, a housing, a painting assembly, a preheating assembly, and a drying assembly. The cabinet panel heating seat is mounted on the conveyor belt and includes a heating plate capable of heating the cabinet panel, and a temperature sensor electrically connected to the heating plate. The housing covers the conveyor belt and is provided with a first partition plate and a second partition plate spaced apart along the conveying direction to sequentially divide the internal space of the housing into a painting chamber, a preheating chamber, and a drying chamber. The painting assembly is located inside the painting chamber and above the conveyor belt, and is used to spray paint on the top surface of the cabinet panel. The preheating assembly heats the preheating chamber so that when the cabinet panel heating seat enters the preheating chamber, the temperature sensor detects the temperature rise and activates the heating plate. The drying assembly heats the drying chamber. Compared with the prior art, this invention avoids the problem of paint blistering caused by "the surface layer of the paint drying first, but the inner layer still retaining high moisture content."

The application discloses a sealing device of a smoke guide car guide sleeve and the smoke guide car, and the sealing device of the smoke guide car guide sleeve comprises a first liquid tank, which is arranged at the bottom of a cover of the smoke guide car, and is arranged with an opening upward and liquid medium in the interior; a sealing groove is arranged at the top end of the guide sleeve of the smoke guide car, and the sealing groove is oppositely arranged with the first liquid tank with an opening downward, and the cross-sectional area of the opening of the sealing groove is smaller than that of the first liquid tank; when the cover lifting oil cylinder drives the cover to rise, the sealing groove is embedded into the interior of the first liquid tank to form a first liquid sealing interface. According to the embodiment of the application, the first liquid tank is additionally arranged at the lowermost part of the cover, and the sealing groove is welded at the uppermost part of the guide sleeve, so that the first liquid sealing interface is formed when the two abut against each other, the toxic smoke is effectively blocked from escaping during the coal loading process, the environmental pollution is reduced, the corrosion of the acidic gas to the equipment is reduced, and the service life of the equipment is prolonged.

The utility model provides a conveying device for ash discharge of a mineral powder drying kiln, which belongs to the technical field of ash discharge of drying kilns and comprises a conveying belt, a dust falling component and a cleaning component. The conveying belt is covered with a slidable dustproof cover, the dust falling assembly comprises a bearing frame and spraying equipment installed on the bearing frame, the bearing frame is located at the discharging end of the conveying belt, the cleaning assembly comprises a moving frame and a scraper, the moving frame is slidably connected to the bearing frame, the scraper is telescopically connected to the moving frame, and the dust falling assembly is located at the discharging end of the conveying belt. And the scraping plate can abut against the conveying belt. Dust falling and cleaning of the conveying belt not only can improve the working environment, improve the efficiency and guarantee the product quality, but also can help enterprises to comply with environmental protection laws and regulations, reduce the maintenance cost, improve the safety and improve the enterprise image.

The invention discloses a TVOC gas multi-stage layered purification system and method and a refrigeration appliance. The system comprises an air inlet and an air outlet; the purification device comprises an activated carbon pretreatment layer, a metal catalase decomposition layer, a noble metal thermocatalytic decomposition layer and an ultraviolet decomposition layer which are sequentially arranged between the air inlet and the air outlet; the sensing device comprises an air inlet gas concentration sensor, an air outlet gas concentration sensor, an environment humidity sensor and an environment temperature sensor which are respectively used for sensing the TVOC gas concentration, the environment humidity and the environment temperature at the air inlet and the air outlet; the circulating fan is used for guiding air to enter from the air inlet, and the air is exhausted from the air outlet after being purified by the purifying device; and the controller is connected to the purification device and the sensing device and is used for controlling the starting of each decomposition layer according to the sensing data of each sensor. The method is executed at a controller of the system, and the refrigeration appliance comprises the system. TVOC gas in the refrigerator can be effectively removed, the service life of the system is prolonged, and energy consumption is reduced.

The utility model relates to the technical field of surface rubber coating for rubber ball production, and discloses a surface rubber coating device for rubber ball production, which comprises a main body mechanism and a rubber coating mechanism, the rubber coating mechanism is fixedly arranged in the main body mechanism, the main body mechanism comprises a rubber coating machine, a conveyor belt and a rubber ball, a conveying belt is fixedly installed at the front end of the rubber coating machine, and a plurality of rubber balls are fixedly installed above the conveying belt. According to the device, the production efficiency is improved, an automatic or semi-automatic operation process is adopted, and the time required by rubber coating on the surface of the rubber ball is greatly shortened. A traditional manual rubber coating mode is slow in speed and low in efficiency, while a rubber coating device can quickly complete operations such as glue coating and rubber ball rotation, and continuous production is achieved.

The utility model discloses a kind of low pressure preparation chromatogram sample purification and automatic feeding device, it is related to the field of pharmaceutical synthesis experiment, and it includes: the upper end of extraction column pipe is set open, lower end is connected and is provided with lower interface, and extraction column pipe is filled with adsorption extraction filler layer above lower interface in;Adsorption extraction filler layer is flexible mechanical compressible material with communicating type porous;Vacuum evaporation heater is sleeved in the outside of extraction column pipe, for the target reaction mixture is removed by vacuum heating evaporation;Liquid channel is connected and is provided with in sample rod along the axial direction, and the outer periphery of one end of sample rod is circumferentially sleeved with sealing assembly;The one end of sample rod setting sealing assembly is pushed into extraction column pipe from upper end opening, for compressing adsorption extraction filler layer;The inner wall of extraction column pipe is tightly attached to the outer wall of sealing assembly, for sealing extraction column pipe. The scheme not only does not need to operate the silica gel micro powder of health threat, also greatly speeds up the purification speed of chemical reaction mixture.

This application discloses a method, apparatus, electronic device, and storage medium for processing medication purchase behavior data, relating to the field of data management technology. The method includes: collecting historical medication purchase behavior data of users; determining a continuous sequence of user medication use states based on the historical medication purchase behavior data; encoding the historical medication purchase behavior data, contextual features, and user tags using an attention model to obtain user behavior temporal features; and determining the user's implicit medication use state information based on the continuous sequence of medication use states and the user behavior temporal features. The implicit medication use state information includes at least the probability distribution information of the user's various medication use states. This application solves the problem in existing technologies that primarily rely on physiological monitoring indicators or single-action rules to predict a user's medication use state, resulting in low accuracy in predicting the user's medication use state and consequently failing to guarantee accurate reminders to users to purchase or take medication in a timely manner.

The utility model discloses an automatic roll device relates to the automatic roll technology field of food factory, it includes belt conveyor, and the at least one side of belt conveyor is installed with support frame, and the support frame is located the side with the connection shaft that is connected with above belt conveyor, and the chain net of the long strip shape is connected with one side of connection shaft, and the chain net of near connection shaft one side top is provided with a plurality of front counterweight round steel, and the front counterweight round steel one side interval is provided with rear counterweight round steel, and the belt conveyor is placed with the surface cake, and the surface cake is sent forward in the process, under the gravity effect of through chain net and front counterweight round steel and rear counterweight round steel, will the surface cake roll up. The utility model effectively solved the defect in the present manual technique, greatly improved the production efficiency, and the roll cake structure is simple, and the operation is stable and reliable, and the failure rate is low, and the degree of automation is high, and the price is low.

This utility model relates to the technical field of tobacco leaf screening equipment, specifically to a mobile dust-proof tobacco leaf screening device. The device includes: a screening housing with at least two detachable screening discs arranged from top to bottom according to their aperture size; a transparent cover fitted to the top of the screening housing for adding tobacco leaf samples to the screening discs and preventing dust from escaping; a dustproof door installed at the side opening of the screening housing to seal the screening space and facilitate the removal of the screening discs; a collection box located at the bottom of the screening housing for collecting debris, dust, and sand falling during the screening process; and a brake wheel installed at the bottom of the collection box with a locking function for fixing the device's position during movement and operation. This utility model facilitates rapid on-site deployment and transportation, meets the flexible screening needs of small batches of samples, and improves the convenience and environmental friendliness of tobacco leaf quality inspection.

The present disclosure relates to a bottle cap and a bottle, the bottle cap comprising a main body for connecting with a bottle mouth of a bottle body; a cap body connected with the main body and capable of being flipped relative to the main body to be opened or closed; a flow guide nozzle connected with the main body; and an identification piece radially arranged between the flow guide nozzle and the cap body, comprising a first ring and a second ring connected through a connecting portion, the identification piece having an opened position and an unopened position; wherein the identification piece is configured to be kept in the unopened position by the cap body and the flow guide nozzle before the cap body is opened relative to the main body for the first time, and the connecting portion is configured to be broken in response to the cap body being opened relative to the main body, so that the first ring is separated from the second ring to make the identification piece in the opened position; the opened position and the unopened position do not coincide.

This utility model discloses a wastewater treatment device for chemical raw material production, relating to the field of chemical raw material technology. The device includes a treatment unit comprising a base, a treatment tank, a treatment pool, a collection pool, a discharge tank, and a waste residue bin. The treatment tank is fixedly installed on the right side of the top of the base, the treatment pool is fixedly installed on the top of the base, and the collection pool is fixedly installed on the left side of the top of the base. This utility model, by incorporating a solid-liquid separation mechanism and a secondary treatment mechanism, enables the solid-liquid separation mechanism to effectively separate the waste residue and liquid generated during wastewater treatment, significantly reducing the moisture content in the waste residue and thus significantly reducing its volume. This solves the problems of devices lacking a solid-liquid separation structure, resulting in large-volume waste residue due to its high moisture content, requiring frequent cleaning of the waste residue bin, and posing significant operational difficulties and potential health risks to cleaning personnel when manually cleaning damp waste residue.

The present application discloses a kind of railway ballast bed compactness detection equipment.The present application belongs to the technical field of ballast bed compactness measurement.Equipment includes track mechanism that can walk on track, is installed on the track mechanism to and fro walking mechanism, is installed on the to and fro walking mechanism positioning and scanning module and measurement execution mechanism, the measurement execution mechanism includes multiple multidimensional measurement units, each multidimensional measurement unit is actively inserted into ballast bed, is installed on the to and fro walking mechanism data processing module, the track mechanism, to and fro walking mechanism, positioning and scanning module, measurement execution mechanism are connected with data processing module.The present application realizes accurate, fast, continuous compactness detection, significantly improves detection efficiency and accuracy, provides reliable data support for track maintenance, ensures the bearing capacity and structural stability of ballast bed.