79results about How to "Physical health threat" patented technology

The invention discloses a textile machine dust removal device. The textile machine dust removal device comprises a support, a filter screen and a spinning device; a collection bucket is arranged on the support; the lower end of the collection bucket can rightly cover above the spinning device; a collection pipe which is communicated with a collection chamber of the collection bucket is arranged on the collection bucket; the collection pipe is communicated with an input end of an exhaust fan; the collection pipe comprises an inclined pipe; the inclined pipe is communicated with a straight pipe; the filter screen is arranged inside the collection pipe; the collection pipe at the front end of the filter screen is communicated with a dust outlet pipe; an outlet end of the dust outlet pipe is arranged inside a collection bag; an air blower is arranged outside the left side of a machine frame; the air blower is connected with an air channel which is formed inside the machine frame; an outlet of the air channel is provided with a dust blowing opening. According to the textile machine dust removal device, the structure is simple, dust can be blocked through the filter screen, then the dust falls into the collection bag through the dust outlet pipe, and accordingly collection of the dust is achieved, the clean and tidy degree of a workshop is guaranteed, and meanwhile threat to health of workers from the dust is avoided.

The invention relates to a household appliance gas stove inner and outer burner cap machining device. The device comprises a paint storage cylinder, a mounting frame, a polishing table and a base; supporting legs are installed at the four corners of the bottom of the base, and a dust collecting box is arranged at the position, among the supporting legs, at the bottom of the base; one side of the dust collecting box is provided with a dust suction pump, and a dust outlet of the dust suction pump is communicated with the interior of the dust collecting box through a guide pipe; the polishing table is arranged on the top, above the dust collecting box, on the top of the base; two sides of the polishing table are provided with dust suction heads respectively. A limiting block is installed, andthe limiting block can horizontally slide in a limiting groove so that the distance between positioning plates can be adjusted conveniently, then outer burner caps or inner burner caps with differentsizes can be conveniently clamped, and the application range is wider; the device is provided with a first grinding head and a second grinding head so that the inner burner caps and the outer burnercaps can be conveniently polished respectively, and the grinding effect is better.

The invention provides an air humidification device which comprises a main body support and at least two evaporation water grooves. The evaporation water grooves are spread and arranged on the main body support at intervals. After the main body support occupies certain spaces, area of an evaporation water face can be exponentially increased on a limited floor area through arrangement of a plurality of evaporation water grooves to achieve a purpose of air humidification. N evaporation water grooves are arranged on the main body support, the floor area of the main body support is S, a water body evaporation area of the air humidification device can be increased by N time through the structure, a total evaporation area is S*N, the water body evaporation area is greatly increased, the purpose of air humidification is achieved, and simultaneously good humidification effects are obtained. Static state humidification is adopted, and no water flow or air flow exists, so that noise is small while humidification effects are achieved.

The invention relates to the technical field of textiles, in particular to a textile machine textile dust collection device which comprises a support mounted on a textile device. A collection hopper with a conical section is arranged on the support, a collection pipe communicated with a collection cavity of the collection hopper is arranged on the collection hopper and communicated with an input end of a fan, a filter screen is arranged in the collection pipe, the collection pipe at the front end of the filter screen is communicated with a dust outlet pipe, and an outlet end of the dust outlet pipe is positioned in a collection bag. The collection hopper can concentrate dust generated in the textile process, the dust is pumped into the collection pipe through the fan, the dust can be stopped by the aid of the filter screen and then fall into the collection bag through the dust outlet pipe, so that the dust is collected in a concentrated manner, neatness of a workshop is ensured, and threat of the dust to fitness of workers is avoided.

The invention relates to the technical field of textile, in particular to a textile dust collecting device for a textile machine. The textile dust collecting device comprises a support mounted on textile equipment, and a collection hopper with a conical-shaped section is arranged on the support; a collection tube communicated with a collection cavity of the collection hopper is arranged on the collection hopper, and is communicated with the input end of a draught fan; a filter screen is arranged in the collection tube, and the position, located at the front end of the filter screen, of the collection tube is communicated with a dust output tube; and the outlet end of the dust output tube is located in a collection bag. According to the collection hopper, dust generated in the textile process can be concentrated, and then is pumped into the collection tube through the draught fan; due to the arrangement of the filter screen, the dust can be blocked and then falls in the collection bag through the dust output tube, so that the dust is collected in a concentrated manner, and cleanness of a workshop is ensured; and meanwhile, the threat of the dust to the health of the bodies of workers is avoided.

The invention discloses a road dust suppressant. The road dust suppressant is prepared from, by weight, 5-10% of sodium diethylhexyl sulfosuccinate, 88-93% of glycerol, 0.5-2% of carboxymethylcellulose, 0.1-0.3% of polyacrylamide, and the balance of water for preparation. The road dust suppressant has the advantages of easily obtained components, easiness in preparation, substantial flying dust adsorption effect, and good penetration and moisture retention effects, and the highly-viscose carboxymethylcellulose and polyacrylamide also have an incrustation and dust proofing effects on road surfaces; the road dust suppressant is nontoxic and has no irritation to skins, so the dust suppressant has no threat to the body health of dust suppressant sprinkling workers and passerby; and the dust suppressant has low cost, is suitable for being used in long-distance railway coal transport, road transport, and especially the non-pavement road transport process, and has a substantially better dust suppressing effect than traditional water sprinkling dust suppression and common road dust suppressants.

The invention relates to the technical field of cleaning agents, in particular to a novel steel mesh cleaning agent and a preparation method thereof. According to the raw material formula, the novel steel mesh cleaning agent comprises components including, by weight, 30-50 parts of dipropylene glycol mono butyl ether, 40-50 parts of dipropylene glycol methyl ether, 2-5 parts of tetrahydrofurfurylalcohol, 1-2 parts of a corrosion inhibitor, 1-2 part of an emulsifier, 1-2 parts of a chelating agent and 2-4 parts of an activator. The novel steel mesh cleaning agent is a green environmental protection cleaning agent, does not contain a fluorocarbon solvent and a halogenated hydrocarbon solvent, cannot hurt the health of the human body, is convenient to use, environment-friendly, safe, non-toxic and economical, and is simple in using method. After a stock solution is diluted to five times of the mass, ultrasonic cleaning or spraying cleaning can be carried out. Dirt on the surface of a steel mesh can be significantly removed, and the steel mesh cleaned by the cleaning agent can be directly reused after being rinsed with water and dried with air.

The invention relates to safe type drying equipment with a dredging function for organic garbage treatment. The safe type drying equipment comprises a main body, a feed pipe, a discharge pipe, a baseand four supporting rods. The safe type drying equipment further comprises a purification mechanism and two dredging mechanisms; the dredging mechanisms comprise driving assemblies and dredging assemblies; the dredging assemblies comprise first motors, rotating shafts and dredging plates; the purification mechanism comprises an air extraction assembly and a purification box; a filter screen, a feeding box and an air cylinder are arranged in the purification box; and activated carbon and a feeding assembly are arranged in the feeding box. According to the safe type drying equipment with the dredging function for the organic garbage treatment, through the dredging mechanisms, the feed pipe is prevented from being blocked by big garbage to affect the feeding effect; the purification mechanismcan purify harmful gases generated by drying, so that the harmful gases are prevented from being directly discharged into the atmosphere to threat the health of users; and the practicability of the safe type drying equipment is improved.

The invention relates to the technical field of textiles, in particular to a textile dust collection device for a textile machine, which includes a bracket installed on textile equipment, a collecting bucket with a conical cross-section is arranged on the bracket, and a collection bucket with a collecting bucket is arranged on the collecting bucket. The collection pipe connected with the cavity, the collection pipe is connected with the input end of a fan, and a filter screen is arranged in the collection pipe, and the collection pipe at the front end of the filter screen is connected with a dust outlet pipe, and the outlet end of the dust outlet pipe is in a collection bag. The collecting bucket can concentrate the dust generated in the weaving process, and then pump it into the collecting pipe through the fan. Due to the setting of the filter screen, the dust can be blocked, and then fall into the collecting bag through the dust pipe, so as to collect the dust Centralized collection ensures the cleanliness of the workshop and avoids the threat of dust to the health of the staff.

The invention discloses a lifting basket anti-collision device used for building outer decoration construction, and relates to the technical field of building assistance equipment. The lifting basketanti-collision device comprises a lifting basket body. A reinforcing cross beam is fixedly mounted in the lifting basket body. Supporting rods are fixedly mounted between the cross beam and an outer frame of the lifting basket body. Limiting sleeves are fixedly mounted on the left side and the right side of the upper surface of the lifting basket body. Limiting columns are mounted above the limiting sleeves. The tail ends of the sides, away from the limiting sleeves, of the limiting columns are fixedly connected with a rainproof top cover. Shock absorption plates extrude shock absorption rodsinwards at the same time, the shock absorption rods push sliding blocks to move up and down in rails in the vertical direction, and outer acting force is converted into elastic force of telescopic springs in the rails. The rainproof top cover is in an inverted V shape, and rainwater can flow out from the left side and the right side of the rainproof top cover rapidly. The bottom of the lifting basket body is connected with a shock absorption box. The bottom of the lifting basket body is subjected to shock absorption through elastic sheets, shock absorption seats and a bottom plate, and the situation that the lifting basket is in direct contact with a building or the ground in the sliding process, and the body health of construction personnel is threatened is avoided.

The invention relates to the technical field of passivating devices, and discloses a surface passivating device for a metal casting. The surface passivating device comprises a passivating tank; a support plate is fixedly mounted at the left side of the passivating tank; a filter box is fixedly mounted above the support plate and at the left side of the passivating tank; a sieve plate is fixedly mounted inside the filter box; a water pump is fixedly mounted on the top of the support plate; a water inlet of the water pump communicates with a water pumping tube, one end of which penetrates through and extends into the passivating tank; and the water outlet of the water pump communicates with a water injecting tube, one end of which communicates with the filter box. According to the surface passivating device and method for the metal casting disclosed by the invention, the water pump, the water pumping tube, the water injecting tube and the water feeding tube are arranged, and the water pump is started for pumping and feeding a passivating agent in the passivating tank into the filter box through the water pumping tube; the sieve plate blocks impurities in the passivating agent, and the clean passivating agent is fed into the passivating tank, so that a great deal of metal chippings are prevented from being generated in the passivating tank, and the metal casting is not scratched during passivation.

The invention relates to an anti-caking spraying system with a purifying function. The anti-caking spraying system with the purifying function comprises a spraying device; the spraying device comprises a bottom plate, a pushing handle, a material box, a connecting piece, a spraying gun, a fixed rod and four vehicle wheels, and further comprises a stirring mechanism and a purifying mechanism; the stirring mechanism comprises a motor, a rotating shaft, two first bearings and a plurality of stirring blades; the purifying mechanism comprises a fixed box, an activated carbon filtering net, a collecting component and a driving component; and the collecting component comprises a second bearing, a connecting shaft, a torsion spring, a connecting box, a connecting unit, a hose and two sucking nozzles. The anti-caking spraying system with the purifying function can perform purifying operation on the dust produced during spraying through the purifying mechanism, and prevent the dust from being absorbed by a human body to pose a threat to the physical health of staff, so that the safety of equipment is improved; and the paint in the material box is subjected to stirring operation through the stirring mechanism, so that the paint is prevented from caking to affect normal work of spraying.

The invention relates to an environment-friendly 3D printer with a level adjusting function. The environment-friendly 3D printer comprises a main body, an adjusting device, a printing head and a platform. The environment-friendly 3D printer also comprises a purification mechanism and four leveling mechanisms. Each leveling mechanism comprises an adjusting block, a driving assembly and two levelingassemblies. Each leveling assembly comprises a gear, a rack, a slide block and an adjusting rod. The purification mechanism comprises a purification room and air extraction assembly. An activated carbon filter screen, a connecting plate, a sealing plate, a pull rod and a movable assembly are arranged in the purification room. According to the environment-friendly 3D printer with the level adjusting function, the platform can be adjusted through the leveling mechanisms, so that the platform is in a horizontal state, and the printing precision is improved. Gas generated by printing can be purified through the purification mechanism, and the condition that gas is discharged directly to atmosphere to threaten the physical health of a user is avoided, so that the environment-friendliness of the 3D printer is improved.

An agricultural pesticide spraying device includes a base, a pesticide box is arranged on the base and is connected with a miniature water pump, a support rod is arranged at the front end of the baseand is of a telescopic structure, an ejection pipe is arranged laterally at the top end of the support rod, spray heads are arranged on the ejection pipe, the ejection pipe is connected with the waterpump through a hose, vertical shafts are arranged in the ejection pipe and are provided with blades, one end of each vertical shaft extends to the outside of the ejection pipe and is connected with propeller type blades, and the ejection pipe is provided with a flow control valve. The device is small in size, convenient to implement, and suitable for spraying in a small area. Agitation of a pesticide through the stirring blades saves time and labor, the labor intensity is reduced, the work efficiency is increased, and a transparent baffle prevents too long pesticide spraying, prevents contactbetween pesticides and human body, and avoids threatening to the health.

The invention relates to environment-friendly pile turning equipment convenient to disassemble and assemble for an organic fertilizer. The equipment comprises a main body, a pile turning device, two fixing blocks, two control chambers and two moving devices, and further comprises a deodorizing mechanism and two fixing mechanisms, wherein the deodorizing mechanism comprises a purifying box, an airexhaust assembly and a moving assembly; the moving assembly comprises a suction nozzle, a sliding block, a hose and two driving units; the driving unit comprises a first motor, a reel and a pull wire;the fixing mechanism comprises a mounting block and two fixing assemblies; and each fixing assembly comprises a pull plate, a fixing rod, a spring and a bracket. The environment-friendly pile turningequipment for convenient to disassemble and assemble for the organic fertilizer can purify peculiar smell generated in a pile turning process through the deodorizing mechanism, and the circumstancesthat air pollution is caused by the reason that the peculiar smell is scattered in all directions, and health of a user is threatened are avoided; and through the fixing mechanisms, convenience of thepile turning equipment convenient to disassemble and assemble is improved.

The invention belongs to the technical field of building paint production, and particularly relates to building waterproof paint, and further discloses a preparation method of the building waterproofpaint. The building waterproof paint is prepared by using sticky rice powder and farm products as substrates, using quartz powder, calcite powder and diatom ooze as filling materials, and adding polyglutamic acid and polylactic acid fiber subjected to modification treatment. The bonding performance and the waterproof performance are further enhanced, so that the paint has the characteristics of good bonding performance, waterproof and dampproof effects, no peeling, no falling, non-toxicity, harmlessness and no pollution. Compared with the existing technical scheme, the paint has better waterproof performance.

The invention discloses a mine coal dust suppressant, which is characterized by being prepared from the following ingredients in percentage by weight: 30 to 80 percent of sodium diethylhexyl sulfosuccinate, 3 to 8 percent of glycerinum, 1 to 3 percent of preservative and the other ingredient of water for preparation. The mine coal dust suppressant has the advantages that the flying dust adsorption effect is obvious; no influence is caused on the coal quality; no toxicity exists; no stimulation is generated on the skin, so that the threat on the body health of mine field workers is avoided; the cost is low; the mine coal dust suppressant is suitable for being used in large-scale coal mining, piling and transportation processes; the dust suppression effect is obviously improved through being compared with that of a traditional coal dust suppressant.

Provided is a pesticide spraying device for a vegetable greenhouse. The pesticide spraying device for the vegetable greenhouse includes a base, wherein a pesticide box is arranged on the base, a microwater pump is connected to the pesticide box, and a support rod is arranged at the front end of the base; the support rod is of a telescopic structure, a spray pipe is horizontally arranged at the top of the support rod, and spray heads are arranged on the spray pipe; the spray pipe is connected with the water pump through a hose, vertical shafts are arranged in the spray pipe, and blades are arranged on the vertical shafts; one end of each vertical shaft extends to the outer side of the spray pipe so as to be connected with propeller-type blades, and the spray pipe is provided with a flow control valve. The pesticide spraying device for the vegetable greenhouse has a small volume and convenient implementation, and is suitable for spraying operation in the greenhouse; since pesticide is stirred by the stirring blades, time and labor can be saved, so that the labor intensity is reduced, and the work efficiency is increased; the human body can be prevented from being in contact with thepesticide through a transparent baffle preventing the pesticide from being sprayed too far, so that the health of workers is prevented from being threatened.

The invention provides a material washing device, a control method and a control device for the material washing device, a cooking utensil and a storage medium. The material washing device comprises awashing cavity, a scraping and brushing device, a water inlet device and a control device, wherein at least part of the scraping and brushing device is positioned in the washing cavity for scraping residue attaching to the inner wall face of the washing cavity; the water inlet device communicates with the washing cavity for conveying washing water to the washing cavity, so that the residue can separate from the scraping and brushing device and the inner wall face of the washing cavity to be discharged, and thus the washing cavity is washed; and the control device is electrically connected with the scraping and brushing device and the water inlet device for controlling the starting and stopping of the scraping and brushing device and the water inlet device. The material washing device provided by the invention is enabled to have the self-cleaning function, then the operation that a user detaches the material washing device for manual washing is not needed, and therefore, the user experience is effectively improved.