54results about How to "Suitable for indoor use" patented technology

The invention discloses an indoor air purification device, which comprises a shell, wherein an air inlet and an air outlet are formed in the shell; the air inlet is communicated with an air flue of the air outlet; a fan, a drying device, a cleaning device, a low-temperature plasma generator, an air box, an ultraviolet ray lamp, a nanometer photocatalyst device and an ozone elimination device are arranged on the air flue sequentially along the direction of air flowing; the fan, the drying device, the cleaning device, the low-temperature plasma generator and the air box are arranged sequentially from top to bottom; the ultraviolet ray lamp, the nanometer photocatalyst device and the ozone elimination device are arranged sequentially from bottom to top between an opening in the lower end of the air box and the low-temperature plasma generator; the opening in the lower end of the air box is formed below the ultraviolet ray lamp; a water receiving disc is arranged below the air box; and anautomatic control device for controlling the actions of the ultraviolet ray lamp, the low-temperature plasma generator, the cleaning device, the drying device and the fan is arranged on the shell. The air purification device has the automatically-cleaned capacity, is applicable to environment in which air pollution is severe, and is suitable to be used indoors.

The invention discloses a semiconductor heating drying device, which belongs to drying equipment and solves the problem that the cold energy of cooled dry air cannot be reclaimed and the problem that the temperature difference between the cold end face and the hot end face of a semiconductor thermopile in the traditional drier. The semiconductor heating drying device comprises a box type shell, the semiconductor thermopile, a cold end heat exchanger, a hot end heat exchanger, a circulating pipeline and a pre-heating cylinder, wherein the circulating pipeline passes through the pre-heating cylinder along the axial direction; an inlet of the circulating pipeline is connected with an air outlet of a drying chamber in the shell; and an outlet of the circulating pipeline is communicated with the upper end face of the cold end heat exchanger; the lower end face of the cold end heat exchanger is connected with an inlet of the pre-heating cylinder through a pre-heating pipeline; and an outlet of the pre-heating cylinder is communicated with the lower end face of the hot end heat exchanger through a backheating pipeline. The semiconductor heating drying device has a compact structure, is easy to mount, does not exhaust wet and hot air and does not pollute environment. Compared with electric heating or positive temperature coefficient (PTC) heating and drying equipment, the semiconductor heating drying device is lower in electric power consumption. The whole device has few mechanical motion parts, is high in reliability, is easy to repair and maintain, has long service life, has a good effect of dehumidifying and drying articles and is suitable to be used in houses or hotels.

The invention discloses a formaldehyde catching agent and a preparation method thereof. The formaldehyde catching agent comprises, by weight, 20-80 parts of acrylic acid, 20-80 parts of polymeric monomers, 20-80 parts of amino acid, 50-100 parts of hydroxylamine, 5-30 parts of ethyl alcohol, 3-30 parts of urea, 3-30 parts of carbohydrates, 1-10 parts of initiating agents, 1-40 parts of dispersing agents, 5-70 parts of additives, 3-30 parts of acidity regulators, 10-50 parts of sodium citrate and 3000-5000 parts of deionized water. The prepared formaldehyde catching agent can efficiently and rapidly remove formaldehyde and is low in cost and simple in preparation method, raw materials of the catching agent are free from toxicity and damage, secondary pollution is avoided, and mass production is facilitated.

The invention discloses an indoor air purifier. The indoor air purifier comprises an air pump, an air guide pipe and a square water storage tank body and is characterized in that an atomization device is arranged between the air pump and one end of the air guide pipe; an air inlet is formed in the lower end of the water storage tank body; the other end of the air guide pipe is connected with the air inlet; an air supply pipe is arranged in the lower end of the water storage tank body and is fixedly connected to the air inlet; a plurality of first air holes are formed in the air supply pipe; at least two air partition plates which are fixedly arranged at the upper part and the lower part are arranged in the water storage tank body; the air partition plates are obliquely arranged; a semi-cylindrical convex bar is integrally arranged near the upper end part of each air partition plate; a plurality of second air holes are formed in the convex bar; an air outlet or a water inlet is formed in the upper end of the water storage tank body; an anti-floatation mechanism is arranged between the air partition part at the undermost part and the bottom of the water storage tank body. The indoor air purifier is excellent in purification effect, small in structure, small in size and low in cost, and is suitable for indoor application.

The invention provides an indoor air purifier with a bluetooth module. The indoor air purifier comprises a face plate, a shell and a filter unit arranged inside the shell, and the bottom of the shell is provided with a round base; the side wall of the face plate is provided a protrusion, a groove matched with the protrusion in shape is arranged inside the side wall of the shell, and the face plate is clamped to the surface of the shell through the protrusion and the groove; a fan is arranged inside the shell; the filter device comprises a pre-filter screen, a multi-protection filter screen, an activated carbon filter screen and an HEPA (high efficiency particulate air) filter screen which are arranged sequentially in the direction from the face plate to the shell. The indoor air purifier is simple in structure, compact in size and suitable for indoor use, indoor air can be filtered, large particles and particles with the diameter less than or equal to 2.5 microns in air are filtered, and the particles with the diameter less than or equal to 2.5 microns are prevented from being inhaled into the lungs.

The invention relates to a nursing pollutant collecting device. The nursing pollutant collecting device comprises a box body, wherein a throwing hole is formed in the middle of the top surface of thebox body; three vertical tubes are uniformly arranged on the lower portion of the inner end of the throwing hole; the vertical tubes are made from transparent plastic materials and are distributed upand down; a transverse partition plate is arranged between gaps of adjacent two vertical tubes; the top surface and the bottom surface of the partition plate are in contact with and matched with the end surface of the corresponding vertical tube, separately; the three vertical tubes are fixedly connected to the inner part of the box body through a first bracket; a first through hole is formed in the upper side of the right end surface of the box body; a first transverse rod is arranged in the first through hole; the inner end of the first transverse rod is fixedly connected to the right end ofthe partition plate on the upper portion; a round leaking hole is formed in a position, close to the left end, of the upper portion of the partition plate; the leaking hole can communicate with the vertical tube; and transverse hydraulic telescopic rods are arranged at the left and right ends of the partition plate on the lower portion. The nursing pollutant collecting device can be helpful for medical staff to finish ultraviolet disinfection of nursing pollutants quickly, and the staff can be fully prevented from being in contact with the pollutants when the pollutants are bagged and tied bythe nursing pollutant collecting device.

The invention discloses a rubber-asphalt reaction kettle comprising a kettle body, a power supply circuit and a control circuit, wherein the power supply circuit and the control circuit are arranged in the kettle body, a heating and heat-insulation device and a mixing reaction tank arranged in the heating and heat-insulation device are also arranged in the kettle body, a connecting plate and a stirring shaft positioned below the connecting plate are arranged above the mixing reaction tank, the upper part of the connecting plate is uprightly provided with a motor, the bottom of the connecting plate is provided with a closed cover corresponding to a port of the mixing reaction tank, the centers of the closed cover and the connecting plate are oppositely provided with through holes, the upper end of the stirring shaft penetrates through the through holes and is connected with a main shaft of the motor, two groups of stirring vanes are arranged on the stirring shaft, and the positions of the stirring vanes on the stirring shaft can move up and down; and the connecting plate is arranged on a lifting beam, the lifting beam is movably connected with an upright post by a bolt, and the upright post is uprightly fixed on the kettle body. The invention has simple structure, convenient use and stable working performance and can reduce the pollution to a working environment.

The invention discloses a portable lifting platform. The portable lifting platform includes a base, a lifting platform body, and an X-shaped support assembly; the upper end and the lower end of the X-shaped support assembly are connected to the lifting platform body and the base; the portable lifting platform also includes a hydraulic device; the hydraulic device includes a hydraulic cylinder and a plunger; the hydraulic cylinder is rotatably connected to the base; and the plunger is rotatably connected to the lifting platform body. The advantages of the portable platform are that: the size is small, the dead weight is light, the structure is simple, the production cost is low, and the portable platform is easy to carry, is fast in lifting speed, and can be used indoor.

The invention discloses indoor mildew-proof latex paint. The indoor mildew-proof latex paint comprises sodium persulfate, a vinyl acetate-acrylic emulsion, sodium tripolyphosphate, propylcnc glycol monobutyl ether, long oil linseed alkyd resin, titanium dioxide, ultrafine silica powder, natural pyrethrin, east-lndian melissa oil, isooctyl acrylate and water. The prepared latex paint has a good painting effect and long service life, can have efficient moisture-proof and mildew-proof performance, and is suitable for indoor use.

The invention provides a concrete decorating plate and a preparation method thereof. The concrete decorating plate comprises a concrete structure layer, an interface layer and a decorating layer. Raw materials of the concrete structure layer comprise ultrahigh strength concrete and phase change and energy storage particles, and the mass ratio of the phase change and energy storage particles to the ultrahigh strength concrete is 2%-10%; the interface layer is of a net-shaped structure and is arranged on the concrete structure layer; the decorating layer is arranged on the interface layer and the concrete structure layer, and raw materials of the decorating layer comprise, by weight, 300-550 parts of cement, 700-950 parts of 20-40-mesh quartz sand, 240-310 parts of 40-70-mesh quartz sand, 15-22 parts of a water reducing agent, 0.1-0.7 part of cellulose ether and 190-240 parts of water. According to the concrete decorating plate, the concrete structure, the interface layer and the decorating layer matched with the concrete structure layer and the interface layer are adopted, the strength of the concrete decorating plate is improved, and then the thickness of the concrete decorating plate is decreased; the phase change and energy storage particles are added into concrete, phase change heat absorption or heat release is generated by the phase change and energy storage particles, the cold and heat resistance of the concrete decorating plate is improved, an environment temperature adjusting effect is achieved, and then the durability of the concrete decorating plate is improved.

The invention provides an excrement treatment composition, a preparation method and application thereof, and a method for treating anhydrous ecological toilet excrement by using the excrement treatment composition. The excrement treatment composition comprises a complex microbial inoculant and a biological padding, the complex microbial inoculant comprises, by mass, 1-3 parts of aspergillus, 3-7 parts of bacillus subtilis, 5-9 parts of saccharomycetes and 1-4 parts of trichoderma, and the biological padding comprises crop straw. By combining the characteristics of the biological padding and the excrement, the preparation of the complex microbial inoculant is optimized, organic macromolecular substances such as protein in the excrement can be efficiently decomposed, the fermentation periodis shortened, and the frequency of cleaning toilets is reduced. When the excrement treatment composition is used for excrement treatment, ammonia gas and other peculiar smells can be effectively removed, and the excrement treatment composition is suitable for indoor use and has important significance in application and popularization of waterless ecological toilets.

The invention relates to a nursing pollutant collecting device. The nursing pollutant collecting device comprises a box body, wherein a throwing hole is formed in the middle of the top surface of thebox body; three vertical tubes are uniformly arranged on the lower portion of the inner end of the throwing hole; the vertical tubes are made from transparent plastic materials and are distributed upand down; a transverse partition plate is arranged between gaps of adjacent two vertical tubes; the top surface and the bottom surface of the partition plate are in contact with and matched with the end surface of the corresponding vertical tube, separately; the three vertical tubes are fixedly connected to the inner part of the box body through a first bracket; a first through hole is formed in the upper side of the right end surface of the box body; a first transverse rod is arranged in the first through hole; the inner end of the first transverse rod is fixedly connected to the right end ofthe partition plate on the upper portion; a round leaking hole is formed in a position, close to the left end, of the upper portion of the partition plate; the leaking hole can communicate with the vertical tube; and transverse hydraulic telescopic rods are arranged at the left and right ends of the partition plate on the lower portion. The nursing pollutant collecting device can be helpful for medical staff to finish ultraviolet disinfection of nursing pollutants quickly, and the staff can be fully prevented from being in contact with the pollutants when the pollutants are bagged and tied bythe nursing pollutant collecting device.

The invention provides a fir floor board with good abrasion resistance. The fir floor board is prepared according to the following steps: (1) preparing an abrasion-resistant coating, wherein the abrasion-resistant coating is composed of the following components in mass by parts: 20-25 parts of waterborne polyurethane; 15-20 parts of epoxy resin, 3-5 parts of nano aluminum oxide, 5.8 parts of nanotitanium dioxide, 2-5 parts of titanium dioxide, 25-30 parts of propylene glycol, 3-5 parts of wood fiber powder, and 1-2 parts of film-forming additive; and (2) applying the anti-abrasion coating tothe surface of a fir floor board, and performing natural drying. The abrasion resistance of the fir floor board of the invention is effectively improved, and the fir floor board is suitable for indooruse.

The invention relates to the technical field of aluminum material processing, in particular to a preparation method for an aluminum material painted by vegetable dyes. The preparation method comprisesthe following steps that (1) a mold plate is manufactured; (2) the vegetable dyes are prepared; (3) mold plate filling is conducted; (4) impression is conducted; (5) high-temperature volatilization is performed; (6) bletilla striata liquid is sprayed onto the aluminum material; and (7) vacuum drying is conducted. A pattern is drawn on the obtained aluminum material and filled with various colors,and the dyes with the multiple colors are all made from natural plants and are free of poisonous substances and pungent odor and suitable for indoor application; through impression, volatilization and bletilla striata liquid coating, the color curing degree is high, natural disengagement is generally avoided under the non-friction condition, and the service life of the pattern of the invention islonger compared with the service life of a pattern obtained in the mode that a worker directly uses a paintbrush for direct painting with vegetable dyes.

The invention belongs to the technical field of electric dragging transmission and particularly relates to a roller-shaped straight lien sensing dragging motor performance testing mutual feedback device for track traffic. The device comprises a roller-shaped secondary part, an arc straight line sensing motor primary part, a rotating sensing motor, a number one current transformer, a number two current transformer, a flywheel coupler, a primary base, a rotating coder and a torquemeter. The arc straight line sensing motor primary part is fixed on the primary base, the rotating coder is arranged on one side of the roller-shaped secondary part, the rotating coder, the roller-shaped secondary part, the flywheel coupler, the torquemeter and the rotating sensing motor are connected together in series through coupling joints, an alternating current end of the number two current transformer is connected with the rotating sensing motor, and an alternating current end of the number one current transformer is connected with the arc straight line sensing motor primary part. The device has the advantages of being high in efficiency, energy is saved, working condition measuring is complete, high-speeding working condition measuring and electromagnetic force measuring are complete, conversion after measuring is of no need, size is small, occupied space is small, and the device is suitable for being used indoors.

The invention discloses a variable air gap disc-shaped linear induction traction motor high-speed mutual feedback table for track traffic. The device comprises a disc-shaped secondary device, a linear induction motor primary device, a rotary induction motor, a No.1 converter, a No.2 converter, an umbrella-shaped coupler, a primary base, a secondary support table, a rotary coder, a torque meter and a fly wheel. The linear induction motor primary device is fixed on the primary base; the disc-shaped secondary device is rigidly linked with a shaft penetrating through the disc-shaped secondary device; the secondary support table is linked with the shaft by a bearing; the rotary coder is linked with a shaft penetrating through the rotary coder by a bearing; the umbrella-shaped coupler, the fly wheel, the torque meter and the rotary induction motor are serially connected together by a connection shaft in sequence. The No.2 converter is connected with the rotary induction motor; the No.2 converter is connected with the linear induction motor primary device. The variable air gap disc-shaped linear induction traction motor high-speed mutual feedback table for the track traffic has the characteristics of air gap adjusting function, energy saving, comprehensive test on electromagnetic force and work condition, capability of test on high-speed work condition, small size, less space occupation, suitability for indoor use and the like.

The invention discloses a formaldehyde catching agent and a preparation method thereof. The formaldehyde catching agent comprises, by weight, 20-80 parts of acrylic acid, 20-80 parts of polymeric monomers, 20-80 parts of amino acid, 50-100 parts of hydroxylamine, 5-30 parts of ethyl alcohol, 3-30 parts of urea, 3-30 parts of carbohydrates, 1-10 parts of initiating agents, 1-40 parts of dispersing agents, 5-70 parts of additives, 3-30 parts of acidity regulators, 10-50 parts of sodium citrate and 3000-5000 parts of deionized water. The prepared formaldehyde catching agent can efficiently and rapidly remove formaldehyde and is low in cost and simple in preparation method, raw materials of the catching agent are free from toxicity and damage, secondary pollution is avoided, and mass production is facilitated.

The lifting rope angle measurer for crane includes an angle sensor EX installed on the rotation shaft AX; a support shaft UX; a frame rotating around X axis and with slender rectangular bottom, one cantilever SX1 fixed on the rotation shaft AX and other cantilever SX2 around the support shaft UX; an other angle sensor EY installed on the other rotation shaft AY; an other support shaft UY; and an other frame rotating around Y axis and with slender rectangular bottom, one cantilever SY1 fixed on the rotation shaft AY and one other cantilever SY2 around the support shaft UY; with the lifting rope C being passed through the bottoms of the two said frames. The present invention has simple structure, low cost, good real-time processing preformance, high reliability and high precision; is suitable for both indoor use and outdoor use.