152 results about "Spray foams" patented technology

The invention discloses a polyurethane spraying foam material as well as a preparation method and application thereof. The polyurethane spraying foam material comprises a component A and a component B in a ratio of 1: (1-1.03), the component A comprises 45-50 parts of flame-retardant polyester polyol, 6-8 parts of high-functionality polyether polyol, 20-25 parts of a flame retardant, 0.5-1.5 parts of a foam stabilizer, 4-6 parts of a catalyst, 15-17 parts of a physical foaming agent, 0.2-0.3 part of color paste and 0.1-0.3 part of water; and the component B comprises polymethyl polyphenyl polyisocyanate and modified isocyanate in a weight ratio of (8-9): 1. The flame-retardant polyester polyol is combined with the flame retardant, so that the flame-retardant property is enhanced, and the flame-retardant grade reaches B1 grade; the high-functionality polyether polyol, the washing flame retardant, the low-odor catalyst, the reaction type catalyst and the foaming agent are matched, so that the odor is less than 3.0, the uniformity and compactness of the flame-retardant covering layer are promoted, and the flame-retardant effect is further improved; the density is 45-55kg / m < 3 >, the heat conductivity is less than 0.023 W / mK at 25 DEG C, the heat insulation effect is good, the compression strength is more than 260kPa, the dimensional stability is less than 1% at-20 DEG C / 80 DEG C, the toughness is high, and the impact resistance is good.

The invention relates to a bi-component magnesium phosphate cement spraying foaming material and a preparation method thereof, the bi-component magnesium phosphate cement spraying foaming material comprises a component A and a component B in a dry powder mass ratio of 100: (70-80), the component A comprises dead burned magnesium oxide, slag, a water reducing agent, a thickening agent, a foam stabilizer and a carbonate foaming agent; and the component B comprises phosphate, fly ash and a retarder. During use, the component A slurry and the component B slurry are atomized and sprayed out through a double-head spray gun and are mixed outside a nozzle, a chemical reaction is immediately carried out, foaming expansion and condensation hardening are completed, and a lightweight porous structure is formed. Compared with the prior art, the problems that a single-component foaming material is out of control in foaming, hardened in advance, difficult to spray and the like are effectively solved, and rapid spraying forming of the inorganic thermal insulation material is achieved. The prepared material is adjustable in dry density and uniform in pore size distribution, has the characteristics of high strength, low heat conductivity, small shrinkage rate, high durability and the like, meets the A-level non-combustible standard, and can be widely applied to building wall and roof thermal insulation engineering.

The intelligent and efficient fire extinguishing device mainly comprises an intelligent sensing system, a power-driven system, an intelligent control system, a foam system, a fixation system, a support lifting system and a protection system. The intelligent sensing system is used to measure the ambient wind direction and the internal flow field of the tank to determine the fire extinguishing location. The intelligent control system controls the power-driven system to reach the designated location based on the intelligent sensing system. The foam system is used to spray foam. The fixation system is used to fix the device. The support lifting system is used to lift or rotate the cooling nozzle and fire-fighting water cannon. The protection system is used to protect the device. The movement, positioning and extinguishing of the fire extinguishing device are unitedly controlled by the intelligent control system. The invention can achieve intelligent fire extinguishment in storage tanks.

A remote spray foam system includes a mast; a robot platform mounted to the mast; a remote manipulator mounted to the robot platform; a hand-held spray gun operable to spray foam, the hand-held spray gun removably mountable to the remote manipulator; and a control system operable to position the mast, and the remote manipulator to position and operate the spray gun.

The utility model relates to a foam forming structure of a beam column top preformed groove of a concrete prefabricated assembly house, which comprises a unit module prefabricated assembly house concrete pouring mold cavity defined by a beam mold, a column mold, a floor plate mold, a supporting rod and an inclined supporting rod. Long-strip-shaped foam modules are fixed in the concrete pouring mold cavities in the tops of the beams and the columns of the spliced unit module prefabricated assembly house, and the tops of the long-strip-shaped foam modules are flush with the tops of the concrete pouring mold cavities in the tops of the beams and the columns. By arranging the fixed long-strip-shaped foam module, an aluminum template does not need to be additionally designed, the design time is shortened, the cost is saved, manual digging after pouring is avoided, and manpower and material resources are saved. The foam bricks are placed in the mold cavity or polystyrene foam is sprayed into the iron wire net groove, cost is saved, construction is convenient, the foam bricks only need to be arranged in the mold cavity in order during construction, construction time is greatly shortened, and the construction progress is accelerated.

The present application relates to the field of liquid sprayers, and in particular to a multifunctional spray gun. A handle convenient for being held with four fingers of one hand and a pressing plate used for being pressed down by the thumb of said hand are designed on the spray gun, and the pressing plate and a lock cover mechanism are hinged, allowing for labor-saving and convenient single-hand operation. In addition, a detachably connected mist spray nozzle is designed on a spray head of the spray gun so as to meet the requirement of spraying mist, and a foam spray nozzle detachably connected to the mist spray nozzle is further designed. The foam spray nozzle can foam the mist-like liquid sprayed from the mist spray head so as to meet the requirement of spraying foam. When the foam function is not needed, the foam spray nozzle can be removed. Further, when the mist spray function is not needed, the mist spray nozzle can be removed, so as to only spray liquid. The design can meet different liquid spray requirements of different scenarios, and the spray gun is multifunctional and convenient to operate.

A method for operating a remote spray foam system includes remotely spraying foam from a hand-held spray gun removably mountable to a remote manipulator, the remote manipulator mounted to a mobile platform; and periodically cleaning a nozzle of the hand-held spray gun at a cleaning station mounted to the mobile platform.

The invention relates to the field of buildings, and aims to solve the problem of wall impact, and discloses a wall anti-impact structure and a method thereof.The wall anti-impact structure comprises a wall structure composed of a first wall, a second wall and an interlayer, the wall is of a three-layer structure, a cavity is formed in the middle of the interlayer, and a material storage bag is arranged on the upper portion in the cavity in a sleeving mode; a second through groove is transversely formed in the first wall body, a protective layer is arranged on the right side face of the first wall body, and protective blocks are evenly arranged on the surface of the protective layer; and a first through groove is formed between the protective layer and the first wall body. Through the arrangement of the middle interlayer, after the wall body is impacted, the switch is triggered to spray foaming glue, so that the thickness of the wall body is rapidly increased, the stability of the wall body is improved, and the wall body has an anti-impact function.

The invention relates to the technical field of building construction, and discloses a cold-bridge-prevention thermal insulation construction method for a wall body of a refrigeration house, which comprises the following steps of: pre-treating a wall surface before construction, then directly spraying cyanogen condensate on the treated wall surface on the cleaned wall surface, and designing and installing wood and T-shaped piles in order to enable the cyanogen condensate to fully permeate into a base layer. Then, a steel row gun is used for installing the wall surface, polyurethane foaming spraying construction is conducted after installation, the thickness of foam sprayed in a single layer is conducted for the first time, an anti-crack fiber net is hung and a transverse cork wood keel is installed when the foam is sprayed to be half of the design thickness, a polyurethane heat preservation layer is sprayed to be the design thickness, and after polyurethane spraying foaming finishing is completed, the position of a door and window opening is located at the position of a door and window opening; and wall surface heat preservation and color steel plate construction are completed. By the adoption of the double-layer spraying cyanogen condensation waterproof vapor-proof layer, effective moisture prevention and air tightness are achieved, the effect of greatly reducing moisture permeation in the refrigeration house is achieved, formation of a cold bridge is avoided, and the energy-saving effect of the refrigeration house is improved.

The aluminum material flotation device comprises a flotation box, a transverse pipe is slidably arranged at the bottom end of the inner wall of the flotation box, the top end of the transverse pipe communicates with a plurality of nozzles, the transverse pipe is connected with the flotation box through a sliding assembly, an overflow plate is fixed to the top end of the flotation box, and discharging openings are formed in the two sides of the bottom end of the overflow plate correspondingly; a connecting plate fixed to the transverse pipe is slidably arranged at the top end of the overflow plate, and a driving assembly for driving the connecting plate to move is arranged at the top end of the overflow plate. According to the scheme, after the spray head sprays foam, under the movement of the driving assembly, the connecting plate is driven to move, the connecting plate drives the transverse pipe and the spray head to move, the transverse pipe and the spray head are made to reciprocate in the flotation box, and therefore the foam can be evenly introduced into the flotation box conveniently, full contact between the foam and an aluminum material is facilitated, and full flotation of the aluminum material is facilitated; and the flotation effect of the aluminum material is improved.

The utility model provides a foam shield device. The foam shield device comprises a mixing body, a liquid supply unit, a spray head and a pressure relief assembly, the mixing body is provided with a mixing cavity, and a water inlet, a liquid inlet and a mixed liquid outlet which are communicated with the mixing cavity; the water supply unit is connected with the water inlet and supplies water to the mixing cavity. The liquid supply unit is connected with the liquid inlet and is used for supplying a foaming agent stock solution to the mixing cavity. And the nozzle is provided with a small acceleration hole which is communicated with the mixing cavity through the mixed liquid outlet. The pressure relief assembly is arranged between the small acceleration hole and the mixing cavity and comprises an expansion part, and the expansion part can expand outwards in the process that mixed liquid in the mixing cavity flows into the small acceleration hole so as to increase the volume of a mixed liquid flow channel from the liquid inlet to the small acceleration hole, so that the pressure relief effect on the mixed liquid flow channel is achieved; and the supply duration of the foaming agent stock solution is ensured, so that the amount of sprayed foam is increased, and a good splash-proof effect is achieved.

1. The name of the product of this design: Electric foam sprayer. 2. Purpose of the product of this design: used for spraying foam for cleaning and decontamination. 3. The key points of the design of this product are the shapes represented by each view. 4. The picture or photo that best illustrates the key points of the design: 3D drawing of Design 1. 5. Designate Design 1 as the base design.

Disclosed herein are new types of foam insulation, and in particular, foam insulation for the exterior surfaces of residential, industrial, institutional or commercial buildings made using new silicone spray foam systems. These inventions relate to isocyanate-free foams used for thermal insulation, flame-retardancy and water resistance. The foams are prepared from silicone polymers with non-fluorinated blowing agents and can be used in the construction industry.

A foaming process at a top corner of an insulation container and the insulation container. The insulation container comprises a top plate and a side plate, the top plate comprises an inner top plate, an outer top plate and a top insulation layer between the inner top plate and the outer top plate, the side plate comprises an inner side plate, an outer side plate and a side insulation layer between the inner side plate and the outer side plate, wherein the outer top plate is connected with the outer side plate, the top insulation layer and the side insulation layer have a cavity therebetween, the inner top plate is spaced apart from the inner side plate to form an opening to the cavity, and the foaming process at the top corner of the insulation container comprises: a spraying step of controlling a spraying device to spray foaming material into the cavity through the opening along a length direction of the insulation container; and a rolling step of rolling at the opening along the length direction using a roller after a preset time from the spraying step ends, so that the foaming material which has been partially expanded and solidified is tightly attached to the inner top plate and the inner side plate, and forms an adhesive bond with the inner top plate and the inner side plate after the foaming material is completely expanded and solidified to form a foamed elastomer.

1. Name of the design product: Mobile foam truck. 2. Use of the design product: This design product is used for spraying foam, removing oil stains and removing stains. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Stereogram.

The utility model provides fabric treatment equipment, and belongs to the technical field of washing equipment. The air pump drives ozone gas to flow to generate air pressure, the air pressure generates acting force on detergent water, the detergent water is pressed into the jet device, meanwhile, the gas moves into the jet device and absorbs part of inlet air for foaming, and finally the jet device sprays foam at a certain flow speed through the foam spray head to reach the interior of the fabric treatment barrel. Compared with a traditional mode that water flow and gas need to be driven by two driving devices to enter the jet device in a pressurized mode, only one air pump is adopted, the water flow and the gas are driven by air pressure at the same time to be pressurized and accelerated to enter the jet device for foaming, the structure is more compact, the occupied space is small, cost is low, and the foaming effect is better.

The movable fire-fighting foam tank is wide in spraying range and comprises a movable cart and a fire-fighting foam tank body which is arranged on the movable cart and can provide foam needed for fire extinguishing, an extension pipe is arranged on the fire-fighting foam tank body, and a control valve is rotatably arranged on the extension pipe. By starting the control valve, the fire-fighting foam tank has the beneficial effects that the fire-fighting foam tank main body can be directly pushed to a site through the movable cart when oil leaks through the arranged movable cart and the fire-fighting foam tank main body, and the fire-fighting foam tank main body can be directly pushed to the site through the movable cart in cooperation with the supporting pipe and the spray head which are rotatably arranged; the spraying range is large, foam can be accurately sprayed to an oil product leakage area, rapid fire extinguishing or leaked oil product covering is achieved, meanwhile, when not used, the supporting pipe and the spraying head can be rotated to the position above the fire-fighting foam tank body to be stored, space is not occupied, and in the area where a movable trolley cannot reach, the supporting pipe and the spraying head can be connected with hoses, so that the fire-fighting foam tank is convenient to use. And the nozzle is extended for use.

The invention provides a multi-axis fire-fighting robot which comprises a moving main body and a multi-axis mechanical arm arranged on the moving main body, and further comprises a fire extinguishing assembly arranged at the output end of the multi-axis mechanical arm; the telescopic type puncture assembly extends into the deposit; and the negative pressure extraction assembly is used for extracting oxygen in the deposits through the telescopic puncture assembly. Foam in the fire extinguisher is sprayed out from the spraying nozzle after passing through the first pipeline, the foam is sprayed on the surface of a deposit, air in the deposit is continuously pumped away through the air pumping hole to form negative pressure, the negative pressure enables the sprayed foam to slowly permeate into gaps of the deposit, and after completion, the gaps in the deposit mainly contain water and nitrogen, so that the foam in the deposit is completely extinguished. And foams are arranged at the top of the deposit and in gaps of the top area, the foams effectively prevent external oxygen from entering the interior of the deposit, and the possibility of reburning of the deposit is greatly reduced.

1. The name of this design product: Foam spray bottle. 2. Purpose of this design product: used as a car washing tool, containing cleaning liquid and spraying foam. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The utility model relates to the technical field of building construction, in particular to an assembly type component and cast-in-place formwork close splicing device, which is characterized in that a limiting component is arranged in a PC component, a close splicing component penetrating through an aluminum alloy formwork is arranged above the limiting component, and the close splicing component is connected with the limiting component, so that the aluminum alloy formwork is fastened on the PC component. When a user adjusts the dense splicing assembly, the dense splicing assembly can provide enough pressure for the aluminum alloy formwork, so that the aluminum alloy formwork can tightly press the PC component, no gap exists between the aluminum alloy formwork and the PC component, and the problem that the gap between the PC component and the aluminum alloy formwork is restrained through double faced adhesive tape or back ridges or is subjected to foaming agent spraying treatment is effectively solved. The actual effect is not ideal, and quality defects such as slurry flowing and slab staggering still occur.

The present invention relates to the technical field of industrial dust removal, and particularly to a spray foam desulfurization dust collector, which comprises a housing, an air inlet pipe, a collection tank, a guide pipe, and a plurality of nozzles. A baffle is fixedly installed inside the housing, a rotating shaft is rotatably installed inside the baffle, a fan is fixedly installed at the lower end of the rotating shaft, a plurality of bubble-forming openings are equidistantly formed inside the baffle, and a bubble-forming mechanism for generating bubbles and cooperating with the rotating shaft is arranged inside the housing. When the dust-containing gas is introduced, the air flow will drive the rotating shaft inside the baffle to rotate through the fan, and then the rotating shaft will drive a plurality of first magnets outside the collar to rotate, and form bubbles with this as the power source. The bubbles will adsorb and gather the dust in the gas. Due to the large surface area of the bubbles, the dust can be fully adsorbed by the bubbles, and at the same time, the energy loss is reduced.

The utility model relates to the technical field of bathing, in particular to a foam spraying device for bathing, which comprises a bath foam box, an ejector, a three-way valve, a mixer and an air pump, a water inlet pipe is communicated with a first opening of the three-way valve, a water outlet pipe is communicated with a second opening of the three-way valve, and the mixer is communicated between the water outlet pipe and the second opening of the three-way valve. The first end of the jet device communicates with a third opening of the three-way valve, the second end of the jet device communicates with the bath foam box, the third end of the jet device communicates with the mixer, and the air pump communicates with the mixer through an air outlet pipe. The three-way valve is used for controlling water flow to flow out from the second opening or the third opening, the water and bath foam are preliminarily mixed together through the jet device and then fully mixed through the mixer, the mixed liquid is foamed through gas of the air pump, and then the mixed liquid flows out from the water outlet pipe. Therefore, the bathing device can spray clean water and also can spray foams. And compared with an existing hand coating mode, convenience and simplicity are achieved.

The present embodiments disclose a system for maintaining a mixture temperature of a multicomponent spray while minimizing a difference in pressure between the components at an applicator, which can include at least one first component temperature sensor and at least one second component temperature sensor, at least one first component pressure sensor and at least one second component pressure sensor, at least one first component heating element, an applicator, wherein a difference in pressure between each of the multiple components is minimized by adjusting the temperature of the at least one first component; and a control system comprising an interface configured to receive at least one temperature setpoint from a user, wherein the interface is also configured to receive at least one pressure setpoint from a user.

The application provides an integrated intelligent electric power fire monitoring and rapid disposal device, and belongs to the technical field of electric power fire safety, and is used for solving the problem that fire detection and fire extinguishing decision are independent and lack continuous adaptive control in the prior art. The device comprises an edge computing gateway, and a physical information deep Bayesian controller is stored in the gateway. The controller receives multi-modal sensor data at each time step, performs state prediction based on a differentiable physical prior model, performs state posterior update based on a deep Bayesian observation model, and generates a continuous value fire extinguishing action through a policy network to control the partition valve to spray foam. The device integrates state estimation and fire extinguishing decision into a unified recursive framework, realizes end-to-end joint optimization and online Bayesian adaptation, and has the advantages of fast response, high precision and strong adaptation.

The present disclosure discloses a system for minimizing pressure differentials between multiple components in an applicator while maintaining a temperature of a mixture of a multi-component spray, the system comprising at least one first component temperature sensor and at least one second component temperature sensor, at least one first component pressure sensor and at least one second component pressure sensor, at least one first component heating element, an applicator where the pressure differential between each of the multiple components is minimized by adjusting the temperature of the at least one first component, and a control system including an interface configured to receive at least one temperature set point from a user, the interface also configured to receive at least one pressure set point from the user.

Described herein are fire-resistant one-component polyurethane spray foam compositions. Also described herein are methods of making and using fire-resistant one-component polyurethane spray foam compositions. Also described herein are dispensers for dispensing the fire-resistant one-component polyurethane spray foam compositions. Compositions and methods in accordance with the present disclosure are useful in a wide variety of applications, and particularly useful in meeting building codes for construction applications.

The utility model relates to the technical field of intelligent toilets, and discloses a split intelligent toilet built-in foam shield device which comprises a base and a controller installed on the base, an installation shell is connected to the base, and a toilet lid is hinged to the installation shell. A water inlet electromagnetic valve, a water heater, a motor, a waterway distribution valve, a foaming agent bottle and a foaming head are mounted at the upper end of the base; according to the built-in foam shield device of the split intelligent pedestal pan, a water inlet electromagnetic valve, a water heater, a motor, a waterway distribution valve, a foaming agent bottle, a foaming head and other parts are arranged in the mounting shell, so that when the intelligent pedestal pan needs to be used, foam generated by mixing a foaming agent and water can be automatically conveyed into the pedestal pan; foam can be sprayed when defecation needs to be solved, the effect of preventing water from splashing to pollute a human body when the defecation falls is achieved, meanwhile, the effect of odor isolation is achieved, and the technical problem of inconvenient operation can be effectively solved through automatic foaming.

A toilet foam generating mechanism includes: a foam generating cavity, including a foam outlet; a foam spray nozzle in communication with the foam outlet; and a foaming liquid adding passage in communication with the foam generating cavity. The foaming liquid adding passage includes: a foaming liquid chamber; and a liquid suction device, including a first end in communication with the foaming liquid chamber and a second end in communication with the foam generating cavity. The liquid suction device is electrically coupled to a first switching power supply. A control method for spraying foam by a toilet includes determining a current usage scenario of the toilet; determining a foam mode associated with the current usage scenario as a current foam mode according to the current usage scenario of the toilet; and executing the current foam mode.

1. Name of the product in this design: Foam Gun. 2. Purpose of this design: To spray foam for cleaning sites, equipment, items, etc. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.