52results about How to "Reduce the frequency of adding water" patented technology

The present invention relates to sewage purifying and re-utilizing method and device, and is especially washing water purifying and re-utilizing method and device for train passenger car. There are lattice basket between the drainage pipe of the washing basin and the biochemical processing tank, water passage between the biochemical processing tank and the middle water storage tank, membrane processing unit between the middle water storage tank and train water tank, and flushing water pressurizing unit connected to the middle water storage tank and the train water tank. The washing water is processed into intermediate water for flushing toilet and the excessive intermediate water is further processed into drinking water and returned to the train water tank. The present invention can save water over 50%.

The invention belongs to the field of fire fighting devices, and particularly relates to a backpack forest fire treatment device. The backpack forest fire treatment device comprises a back panel with shoulder straps and a fire extinguishment flapper, wherein the back panel is provided with a high-pressure water tank; the high-pressure water tank is connected with a sprayer through a pipeline; the pipeline is provided with a valve; the back panel is also provided with a clamp; and the clamp is flexibly connected with a grab handle of the fire extinguishment flapper. The backpack forest fire treatment device has the advantages of simple structure and reasonable design; the fire fighter carries the combination of the fire field cleaning machine and the high-pressure water fire extinguisher on the back and enters the fire field in the forest, and sequentially uses the fire extinguishment flapper and the high-pressure water; and thus, the backpack forest fire treatment device is convenient to operate and enhances the fire extinguishment efficiency.

The invention discloses a novel automobile-tail-gas dedusting purifying device. The bovel automobile-tail-gas dedusting purifying device comprises a gas feeding pipe, a smoke prevention and dedusting device, an air blower, a filtering pool and a gas discharging pipe, and is characterized in that the gas feeding pipe is connected with a tail-gas discharging part of an automobile and connected with the smoke prevention and dedusting device, the air blower is arranged at the back portion of the smoke prevention and dedusting device, and the filtering pool is arranged at the back portion of the air blower and connected with the gas discharging pipe. The novel automobile-tail-gas dedusting purifying device has the advantages that the structure is simple, arrangement is reasonable, energy is saved, and environmental protection is achieved; two gas turning plates are arranged in the smoke prevention and dedusting device, and after tail-gas exhaust is subjected to speed reducing and turning multiple times, gas and solid particles are subjected to physical separation; dust and other solid particles in tail gas can be effectively filtered through the filtering pool, a part of vapor generated in the filtering pool can be stopped by a hole steel plate, and the times of water adding of the filtering pool are reduced; as the air blower is arranged inside a pipe, the direction of tail gas can be well guaranteed, and filtering of tail gas is better completed. The novel automobile-tail-gas dedusting purifying device is widely applied to the automobile-tail-gas dedusting purifying aspect.

The invention discloses a movable supporting leg inclined bottom type seed germination box. The movable supporting leg inclined bottom type seed germination box is composed of a transparent box body and a box cover, and further comprises supporting legs, supporting leg clamping grooves, a water injection hole and a water overflowing hole, wherein the supporting leg clamping grooves are formed in the two sides of the box body; the supporting legs are inserted into the clamping grooves and are as long as the clamping grooves; the outer walls of the two ends of the clamping grooves are of arc-shaped or semicircular structures, so that the supporting legs are convenient to push and pull; the supporting legs are drawn out for different lengths from the lower ends of the clamping grooves and the included angle between the bottom wall of the box body and the horizontal plane can be adjusted; one end of the box body is lifted up so that the bottom wall of the box body forms an inclined plane; the water overflowing hole is formed under the box wall at the lower end of the box body and has a certain distance from the box bottom; a water storage tank in the germination box is jointly formed by the box wall under the height of the water overflowing hole and the bottom wall of the box body under the height of the water overflowing hole; and the water injection hole is formed in the top wall of the box cover. The product has a simple structure and complete functions, is convenient to use and can be efficiently operated; and the testing result is relatively accurate.

The invention discloses a gas-liquid two-phase washing suction nozzle and a sanitation vehicle. The gas-liquid two-phase washing suction nozzle comprises a nozzle body. A suction pipe and a high-pressure spray gun are welded to the upper surface of the nozzle body, high-pressure spraying nozzles spraying forwards are installed on the lower side face of the high-pressure spray gun at intervals in the axial direction, an air inlet duct is arranged between the suction pipe and the high-pressure spray gun, an air inlet pipe is welded to the upper end of the air inlet duct, and the lower end of theair inlet duct penetrates through the nozzle body and extends into a cavity of the nozzle body. A vertical abrasion-resistant block is arranged between the suction pipe and the air inlet duct, the top end of the abrasion-resistant block is connected to the nozzle body, a gap is reserved between the bottom end of the abrasion-resistant block and the ground, and the edge of the rear portion of theabrasion-resistant block is connected with the front bottom end of the air inlet duct. The extending end of the air inlet duct is in a flat shape inclining forwards, the section of the extending end of the air inlet duct is gradually decreased in the outlet direction, and the width of the extending end of the air inlet duct is consistent with the suction width of the suction nozzle. Compared withthe prior art, the gas-liquid two-phase washing suction nozzle has the following advantages: garbage is flushed through a high-speed air curtain and a water curtain, so that the water consumption canbe reduced, and the cleaning rate and the operation stability are improved.

The invention discloses a steam cooling machine capable of increasing the steam utilization rate, and relates to kitchen utensils. The steam cooling machine comprises a heating base, a pot body, a pot lid, an air guide pipe and an exhaust pipe. The heating base is provided with a water tank. The side wall of the pot body is a double-layer side wall. When the steam cooling machine is used, the steam in a pot passes through the air guide pipe, the water tank and the exhaust pipe and then is discharged. The steam cooling machine has the advantages that the pot body is provided with the functions of locking heat and preventing the temperature of the outer side wall of the pot body from being excessively high through the double-layer side wall design. The steam in the pot preheats water in the water tank when passing through the water tank, so that the working efficiency of the steam cooling machine is improved. The steam transfers heat with the outside and is cooled when flowing through the air guide pipe, the water tank and the exhaust pipe, part of steam is liquefied into water drops and flows back to the water tank to be reused, and thus the times of feeding water into the water tank are reduced.

The invention discloses a steam food processor, and relates to kitchenware. The steam food processor comprises a heating base, a pot body, a pot cover, a steam guide pipe and a steam exhaust pipe, wherein a water tank is arranged on the heating base, and the side wall of the pot body is a double-layer side wall; in the use process, the steam in the pot body is exhausted through the steam guide pipe, the water tank and the steam exhaust pipe. The steam food processor has the beneficial effects that by adopting the double-side wall design, the functions of locking heat energy, preventing overhigh temperature of outer side wall of the pot body and the like are realized; when the steam in the pot flows through the water tank, the water in the water tank is preheated, so that the working efficiency of the steam food processor is improved; when the steam flows through the steam guide pipe, the water tank and the steam exhaust pipe, the temperature is lowered under the action of heat exchangewith outside, one part of steam is liquefied into water droplets, and the water droplets flow back into the water tank to be recycled, so that the frequency of water adding into the water tank is reduced.

The present application discloses a filtering device and a cleaning robot having the same. The filtering device includes a cavity, a filtering device and a water level detecting device. The cavity includes a partition, and the partition separates the cavity to form a clean water chamber and a sewage chamber. The clean water chamber is provided with a first water inlet, and the sewage chamber is provided with a first sewage outlet. The first water inlet and the first sewage outlet are connected; the filter device It is used to filter the sewage in the sewage chamber and discharge the filtered sewage into the clean water chamber; the water level detection device includes a clean water level detection device and a sewage water level detection device, the clean water water level detection device is used to detect the water level of the clean water chamber, and the sewage water level detection device Used to detect the water level in the sewage chamber. The filter equipment and the cleaning robot provided by this application control the filter device through the water level detection device to filter the sewage in the sewage cavity and discharge the filtered water into the clean water cavity, so that the sewage can be reused, thereby reducing the number of times of water filling in the clean water cavity and save resources.

The present invention discloses a diamondback moth adult trapper, pertaining to the technical field of plant protection equipment. The trapper comprises a ring-shaped handle (1), a box cover (2), a box body (3), a bait suspension hook (5), a moth falling hole (6), a moth collecting barrel (7), an overflow hole (8), a buckle (9) and a wing-shaped trapping box (4) which consists of the box cover (2) and the box body (3). The present invention replaces the conventional viscose plate by the device with a hole in the middle, the device is arranged at the bottom of the trapping box and is connectedwith the moth collecting barrel downward; the present invention also overcomes the defects of the existing trapper such as frequent replacement of the viscose plate, labor waste and high cost, thus achieving the aim of environment protection, economy, convenience and high-efficiency diamondback moth and relevant pests trapping. The trapper provided by the present invention can be promoted and used in the agricultural production.

The invention discloses dredging equipment and a sewage circulation control system, control method and device thereof. A clear water tank is omitted, the volume of a sewage collection tank is greatly increased, and the sludge bearing capacity is improved. Through free switching between two modes of sewage recycling and sewage discharging, the continuous operation time of the equipment and the effective sludge bearing capacity of the sludge collecting tank can be effectively prolonged, the transfer frequency is reduced, and the operation cost is reduced. By detecting the liquid level in the sewage collecting tank and the pressure at a water inlet of a water pump and adaptively adjusting the rotating speed of a rotary filtering device and a booster water pump, the water pressure at a water outlet of the booster water pump reaches a certain threshold value when different liquid levels and sewage mud contents in the sewage collecting tank are ensured, and the problems of air suction and service life reduction of the water pump caused by water inlet insufficiency of the high-pressure water pump are avoided; and the working efficiency and the safety are improved.

The invention discloses a flexibly extended road sweeper, and belongs to the technical field of sanitation. The flexibly extended road sweeper comprises a main vehicle, wherein a main water tank for supplying water to a vehicle head splashing mechanism is arranged in the main vehicle; one or more extension units are butted with the rear end of a main vehicle chassis of the main vehicle; each extension unit comprises a reserve water tank, a base for supporting the reserve water tank, a butting base, a connecting pin, a supporting wheel, a height adjusting assembly capable of adjusting the height of the supporting wheel above the ground, and a pair of bottom wheels for supporting the reserve water tank; the upper end of each connecting pin is vertically inserted in the front end of the corresponding butting base, and the lower end of each connecting pin is rotatably and detachably inserted in the main vehicle chassis; a water pump is arranged on the main vehicle; each expansion unit is also provided with an access water pipe; the suction end of the water pump communicates with the reserve water tanks through the corresponding access water pipes, and the discharge end of the water pump communicates with the main water tank. According to the flexibly extended road sweeper disclosed by the invention, the volume of the sweeping water in the sweeper can be increased, the sweeping time of the sweeper is prolonged, and the frequency of refilling water is reduced.

Disclosed are a water sprinkling control system of a milling machine, a milling machine, and a control method for the water sprinkling control system of a milling machine. The water sprinkling control system of a milling machine comprises a hydraulic control loop and a water route which are arranged on a milling machine body, wherein the water route comprises a water route pipeline (8), and the water route pipeline (8) comprises a water pump (9) and a water sprinkling device which is in communication with the water pump (9); and the hydraulic control loop comprises a hydraulic oil pipeline (3) whose oil inlet and oil outlet are in communication with a hydraulic oil tank (1) located on the milling machine body. The hydraulic oil pipeline (3) is provided with a hydraulic pump (2) and a hydraulic motor (6) used for driving the water pump (9) to operate at the same speed as the water pump in sequence from one end of the oil inlet; and an adjustment device used for adjusting the rotating speed of the hydraulic motor (6) is also provided in the hydraulic control loop, and the adjustment device is electrically connected to a control device installed on the milling machine body and used for controlling the water sprinkling amount by adjusting and controlling the adjustment device according to the milling condition. By means of the water sprinkling control system of a milling machine, the milling machine, and the control method for the water sprinkling control system of a milling machine, the water can be appropriately sprinkled according to the actual cutting condition, thereby saving water resources.

The invention provides a vapor condensing and recovering device which can cover a water filling opening of a well group water boiling furnace directly, collect vapor and condense the vapor into water. The device is like multiple concentric shielding rings in shape, and vapor is made to turn back in the device multiple times and is condensed into water drops under the cooling effect of mobile air outside the outermost ring. The water drops flow into a furnace body from holes of the device, and accordingly, it is guaranteed that water in the furnace is sufficient; the device has the advantages of being capable of saving water, reasonable in structure, convenient to use, high in recovery rate and capable of reducing water adding frequency for workers at the station and reducing the labor intensity.

The invention provides a water-cooled vehicle brake, which includes a wheel hub installed on the car, a brake drum arranged on the car and the wheel hub, an inner dust cover arranged in the brake drum and fixed on the car, and The water jacket and reinforcing hoop outside the brake drum are arranged at intervals between the axial ribs in the water jacket and the evaporative cooling channels between adjacent ribs, which are characterized in that there is an evaporative cooling channel between the brake drum and the hub. The inner water chamber connected by passage, the water delivery pipe is fixed on the inner dustproof cover, and the spray nozzle at its end is placed in the inner water chamber. Cooling water can be provided from the inside of the brake drum to the outside to fully cool the brake drum. While the brake drum is effectively cooled, the utilization rate of cooling water is improved, water is saved, and the temperature rise of the brake and friction plates is avoided. The service life of the brake and the friction plate is prolonged, the brake drum is prevented from cracking, and the transportation cost is reduced. The structure is simple, the work is stable and reliable, and the thermal stability is good.