69results about How to "Uniform water pressure" patented technology

The invention discloses a true triaxial loading and unloading test device for large-size bedded pressure-bearing rock and a testing method. The device comprises a confining pressure loading module, a sample storage and water outlet module, a confined water loading module, a load loading module and a signal collecting and processing system, wherein the confining pressure loading module comprises two horizontal loading and unloading systems which are independent and perpendicular to each other and is used for performing horizontal load loading and unloading on the wrapped sample storage and water outlet module; the confined water loading module is located at the bottom of the sample storage and water outlet module and is used for performing confined water loading and unloading on the bottom of the bedded rock; the load loading module is located at the top of the sample storage and water outlet module and is used for performing vertical load loading and unloading on the top of the bedded rock; the signal collecting and processing system is used for collecting and analyzing signals in a test process. The test device realizes the true triaxial test of the bedded rock through four independent loading and unloading systems, truly simulates three-way anisobaric stress state of the coal-series bedded pressure-bearing rock and is more true and more reliable than a conventional triaxial test.

The invention provides a comprehensive testing system for a shield tunnel structural model, which comprises a soil horizon simulating and soil pressure loading device and a tunnel structural model; the soil horizon simulating and soil pressure loading device is a simulated soil body cavity enclosed by steel plates; a horizontal reaction frame is arranged outside the soil body cavity; a horizontal soil pressure jack is connected between each edge of the reaction frame and the soil body cavity; the tunnel structural model is attached with a uniform water pressure loading device and a non-uniform water pressure loading device, and is axially and vertically arranged in the center of the soil body cavity; simulation testing soil is filled between the tunnel structural model and the soil body cavity; the upper part of the soil body cavity is covered by a steel cover board; a vertical reaction portal frame is arranged above the soil body cavity; and a vertical soil pressure jack is connected between the lower part of a girder of the vertical reaction portal frame and the steel cover board. The system can simulate interactions between tunnel structures in different forms of fractures with the stratum under different stratigraphic and hydrologic conditions, and more truly simulate the environment conditions of the tunnel structures with more accurate and reliable test data, thereby providing more reliable safeguard for shield tunnel constructions.

The invention discloses a cyclic planting and breeding method for fish, shrimps, vegetables and paddy rice. The method is characterized in that a slope with the gradient ranging from 5 degrees to 20 degrees is selected; the slope has a safe water source and is built by a higher layer, a middle layer and a lower layer; the higher layer of the slope is a planting area; the middle layer of the slopeis a breeding area; the lower layer of the slope is a purification area; or, the higher layer of the slope is a breeding area; the middle layer of the slope is a purification area; the lower layer ofthe slope is a planting area; sewage in the breeding area flows and is pressed into the purification area through a pipeline; after being biologically decomposed and filtered through the purificationarea for first purification, sewage flows into or is pumped into the planting area and absorbed by plants for secondary purification; after first purification and secondary purification, water qualitymeets the standard of water utilization for high-quality breeding; then, sewage flows into or is pumped into a breeding pond in order to achieve cyclic utilization; and the area ratio of the plantingarea, the breeding area and the purification area is 5:1:1. The cyclic planting and breeding method for fish, shrimps, vegetables and paddy rice has advantages of high cultivation density, low planting and breeding cost and good quality. Additionally, culture sewage is reutilized so that natural environment is protected.

The invention relates to a cooling water pump for the automobile motor. The cooling water pump comprises a water pump casing body combined with an engine cylinder body, a sealing cavity is formed by the water pump casing body and the cylinder body combined, a water pump impeller driven by a water pump wheel shaft and a water inlet opening is arranged at the position of the sealing cavity, the water inlet opening is arranged on the engine cylinder body, and two water outlet openings are respectively arranged at the two sides of the water pump casing body. A pressure relief hole is added in the blade inlet opening of the water pump impeller. The water pump drive adopts double-row sprocket drive. The water pump is provided with two water outlet openings, thus the flow quantity of the water pump is increased; the water pump impeller adopts a plastic structure, thus, on one hand, the whole mass of the water pump is lightened, and the rotational inertia is reduced; on the other hand, the water pump efficiency is enhanced; and the pressure relief hole is added in the blade inlet opening of the water pump impeller, thus the front and rear water pressure of the impeller is balanced, the cavitation erosion surplus is reduced, and the pressure relief hole can also play a cooling and water sealing role. The water pump drive adopts the double-row sprocket drive, thus, on one hand, the work efficiency of the water pump is enhanced, and on the other hand, the work stability of the water pump is strengthened.

The invention discloses a permeameter for realizing multi-field coupling and in-situ dry-wet cycle, belonging to the technical field of rock and soil permeation equipment. The permeameter comprises anair compressor and a rack, wherein a movable cross beam is arranged on the rack; the permeameter is characterized by further comprising a pneumatic control cabinet, an axial pressure loading device,a pore pressure loading device, a confining pressure loading device, an in-situ drying device, a metering device and a pressure chamber; a programmable logic controller (PLC) is arranged in the pneumatic control cabinet; the in-situ drying device comprises a resistor heating wire and a temperature control instrument, wherein the resistor heating wire is electrically connected with the temperaturecontrol instrument; the metering device comprises a water collector, a weighing sensor and a mass display meter, and the weighing sensor is separately and electrically connected with the mass displaymeter and the PLC. The permeameter can realize multi-field coupling as well as in-situ drying and measurement of dryness and humidity of the sample, and guarantees the integrity of the sample structure during the test, thereby being capable of effectively reflecting the actual reaction situation and guaranteeing the accuracy of the sample permeation.

The invention relates to a servo controlled rock fracture shear seepage test sealing device, which includes a shear apparatus for shearing rock fracture test pieces and a seepage apparatus for controlling fluid flow. The shear apparatus consists of a normal compression plate, an upper shear box, a lower shear box, a pedestal, upper pressing blocks and lower pressing blocks, a rock fracture test piece is fixed at a test station between the upper shear box and the lower shear box, the upper part of the upper shear box is connected to the normal compression plate, the lower shear box is connected to the pedestal, the upper pressing blocks are respectively located on both sides at the lower part of the upper shear box, the lower pressing blocks are respectively located on both sides at the upper part of the lower shear box, and the lower pressing blocks are located right above the lower pressing blocks. The sealing device also includes a vertical seal apparatus for sealing a fracture end perpendicular to the shear direction, a horizontal seal apparatus for sealing a fracture end parallel to the shear direction, and a servo control system for controlling oil pressure. The servo controlled sealing device for rock fracture shear seepage test provided by the invention has the characteristics of stable sealing and continuous shear process.

The invention belongs to the technical field of devices for fruit planting, and discloses a spraying device for grape planting. The spraying device comprises a water storage tank, a spray pipe and a water guide pipe, wherein the water storage tank and the spray pipe are connected with the water guide pipe; the water storage tank is connected with a pressure plate in a sliding manner; the pressure plate is provided with a push rod; the push rod is provided with a first magnet; the side wall of the water storage tank is provided with a support; the support is provided with a first electromagnet, a support plate and a first conductive frame; the magnetic field produced by the first electromagnet is the same as the magnetic pole at the top end of the first magnet in polarity; an electrolyte solution is contained in the first conductive frame; the support plate is hinged with the support; the lower end of the support plate penetrates through the upper side wall of the water guide pipe; the upper side wall of the water guide pipe is corrugated; one side of the top end of the support plate close to the first conductive frame is provided with a conductive rod; the conductive rod is connected with a power supply of the first electromagnet; the spray pipe is provided with a controllable water outlet mechanism; and the top end of the spray pipe is provided with an atomization mechanism. The spraying device disclosed by the invention solves the problems of nonuniform spraying and high hand cramp possibility of a user in the prior art.

The invention provides a water activator which radiates a large quantity of anions and far-infrared rays and refines water containing a mount of mineral component. Three chambers (13, 15, 17) in vertical series on water stream (11c) are obtained by dividing a cylindrical body (11) of the water activator (10) and a corresponding anion radiation ceramics 12, far-infrared radiation ceramics 14 and medical stone ceramics 16 are accommodated in the case body 1, so that the anion and far infrared ray can be radiated to the water on the water stream (11c) and the mineral component can be digested. Thus the active water of high quality can be refined.

The invention belongs to the technical field of washing machines, and particularly relates to an outer cylinder cover and a washing machine. The outer cylinder cover includes an upper cover body and a lower cover body, the upper cover body and the lower cover body are connected to form a water cavity, multiple water outlets are formed in the inner circumferential wall of the water cavity, the portion, communicated with the water cavity, of a water inlet is provided with a water dividing bar of which the length extends in the circumferential direction of the outer cylinder cover, and inflow water is blocked by the water dividing bar to be divided towards the portions, at the two sides of the water inlet, of the water cavity and evenly sprayed into an inner cylinder through the water outlets. The hydraulic pressure in the water cavity of the outer cylinder cover is balanced, the effect of 360-degree all-around uniform water discharge can be achieved, the spraying effect of the washing machine is improved, and the effect of clothes cleaning is better.

The invention discloses a shut-off valve convenient for hydraulic transition and control for a tubular water turbine. The shut-off valve includes a central shaft and a signal circuit board used for transmitting signals to a controller to control a drive motor, a tubular elastic body pipe and a connecting section used for connecting with a chainring and transmitting torque separately sleeve the central shaft, one end of the elastic body is connected with the central shaft in a transmission mode, and the other end of the elastic body is connected with the connecting section. A sensing circuit board is arranged the outer side wall of the elastic body, and the sensing circuit board includes a deformation sensor arranged on the outer side wall of the elastic body for inducing the torque, a wireless signal transmitting module for outputting torque signals of the deformation sensor, and a power receiving coil. The signal circuit board includes a wireless signal receiving module for receivingthe torque signals, a power coil which interacts with the power receiving coil to form a power supply current on the power receiving coil, and input and output terminals connected to the controller. The shut-off valve convenient for the hydraulic transition and control for the tubular water turbine can ensure the stable transmission of a detection signal, and improving the detection accuracy is further facilitated.

The invention discloses a button water-stopping shower head. The button water-stopping shower head comprises a body, a water passing assembly, a switching assembly and a water outlet assembly. The water passing assembly and the switching assembly are arranged in the body, the water pressure areas of the water passing assembly are set to be equal, and therefore the water pressure in the water passing assembly is balanced; and a connecting rod mechanism in the switching assembly is used for controlling water passing or water stopping of the water passing assembly. The shower head is reasonable and stable in structure and easy to operate.

The invention provides a steady flow device for trickle irrigation, and relates to a trickle irrigation device for agriculture, particularly a steady flow device for eliminating differential pressure, and adjusting water flow in water conservation trickle irrigation, which comprises a water inlet and a water outlet. The steady flow device is arranged on the water inlet, and comprises a cap arranged on the water inlet and a soft washer and a hard washer superposed in the water inlet, wherein the a taper hole is formed on the hard washer, a convex conical plug matched with the taper hole is arranged on the corresponding position on the soft washer, holes are formed around the conical plug, and a gap is formed between the taper hole on the hard washer and the convex conical plug on the soft washer. Compared with the prior art, the steady flow device for trickle irrigation remedies the deficiency in adjusting water flow and controlling irrigation pressure, has the advantages of better steady flow effect, simple structure, simple manufacture, and is particularly suitable for large area irrigation for lands with terrain variation.

The invention belongs to the technical field of washing machines and relates to an outer barrel lid with an overflow protection structure. According to the outer barrel lid with the overflow protection structure, the outer barrel lid comprises an upper cover body and a lower cover body, and the upper cover body and the lower cover body are connected to form a water chamber; the outer barrel lid has a water inlet, and the upper portion of the outer barrel lid is provided with an overflow protection structure, and the overflow protection structure directs the overflowing water in the water chamber to the outside of the outer barrel. The outer barrel lid can avoid the problem that water overflows over the outer barrel lid and goes to the outside of the outer barrel and splashes on electric devices, thereby causing safety hazard, and also saves space and increases the capacity of the washing machine.

The invention discloses a method for improving fruit plant fruit crack resistance through biological carbon supplement, and belongs to the technical field of fruit plant cultivation. The method comprises the steps that in the full growth stage of fruit trees such as (red date trees, large cherry fruits and grape vines), Hai Jingang biological organic carbon 300-500-fold diluent is sprayed to leaf surfaces 3-5 times, and the fertilization amount is 10-30 kg / mu; Hai Jingang carbon energy biological water-soluble fertilizer is applied into soil 3-5 times, and the fertilization amount is 40-130 kg (no chemical fertilizer is applied), so that soil is loose, deep roots and luxuriant leaves grow, and the leaf transpiration function is greatly improved in the close maturation stage; the fruit cell density can be improved, pulp cells are more compact, the gap is reduced, entering of moisture is not easy, pulp cells and external water pressure are relatively balanced, the fruit crack rate is reduced by 50% or more, and the fruit product benefits are improved.

The invention relates to an electric low pressure test device and method for testing watertightness of a waterproof roll. The device comprises a base, a water storage cavity, a water supply mechanismand a locating mechanism, wherein an electromagnetic valve is arranged between the inlet of a water inlet pipe and a static water pressure supply pipe, the water supply mechanism comprises the water inlet pipe, the static water pressure supply pipe, a monitoring unit and a processing unit; during water supply, the electromagnetic valve is automatically opened, and the electromagnetic valve is automatically closed and the water supply is stopped until water level in the static water pressure supply pipe rises to a preset position; a washer is arranged on the water storage cavity, a to-be-detected sample is paved on the washer; the locating mechanism comprises a pressure plate, multiple locating units, a locating rod, a limiting rod and a limiting plate; when the to-be-detected sample is located, the limiting rod is horizontally arranged, and the limiting plate is against the bottom of the limiting rod, so that the periphery and the middle part of the pressure plate are in a stress staterespectively. The electric low pressure test device provided by the invention has the advantages that on one hand, the water supply can be automatically completed; and on the other hand, the periphery of the pressure plate is located, the middle part of the pressure plate is limited, and the washer is used for sealing, so that location is realized.

The invention discloses a glass product transfer mechanism with a self-adjusting function. The glass product transfer mechanism comprises a suspending plate, a connecting rod is fixedly connected to the top of the suspending plate, two placing platforms are fixed to the bottom of the suspending plate, and the two placing platforms are symmetrical about the suspending plate; two bottom guiding rodsand a top guiding rod which are fixed to the side face of the suspending plate are arranged above the placing platforms, and the bottom guiding rods are sleeved with bottom fixing parts; the top guiding rod is sleeved with a top fixing part, the top fixing part and the two bottom fixing parts on the different bottom guiding rods together form a limiting mechanism, and the limiting mechanism is used for fixing a glass plate; and the glass product transfer mechanism further comprises limiting pins, the limiting pins are matched with limiting pin holes formed in the placing platforms, the glassproduct transfer mechanism further includes a disturbed flow mechanism and first springs, wherein one ends of the first springs are detachably mounted on the bottom fixing parts, and a base of the disturbed flow mechanism is in contact with the other ends of the first springs. The glass product transfer mechanism can greatly improve transportation efficiency and safety.

The invention discloses a cloth wetting and spraying device. An infrared sensor used for sensing a cloth width is arranged on one side of cloth; a plurality of sprayer mounting pipes are arranged above the cloth; a plurality of sprayers are arranged on the sprayer mounting pipes; the plurality of sprayer mounting pipes are distributed in a width direction of the cloth; the sprayer mounting pipes are connected with a first solenoid valve; the first solenoid valve is connected with a water pump; the water pump is connected with a water tank; the infrared sensor is connected with the first solenoid valve. The invention provides an energy-saving and emission-reducing cloth wetting and spraying device.

The invention discloses a perineum washing and sterilizing device for gynecological nursing. The perineum washing and sterilizing device comprises a medicine dispensing box and a drying box, wherein the medicine dispensing box is fixedly connected with the drying box. The perineum washing and sterilizing device is fixed to a comfortable position by arranging a hook firstly, and then liquid medicine can be stirred by arranging a motor and a stirring shaft, so that the liquid medicine is uniformly mixed, during stirring, the liquid medicine can be heated through a heating rod and heating resistance wires according to needs and the use condition of the liquid medicine, the liquid medicine is heated to a proper temperature, and the use discomfort is reduced; by means of arrangement of an upperrack, a return spring and a communicating pipe, the flow speed and the water flow pressure of a cleaning solution can be stabilized, and incomplete cleaning caused by too low water pressure, damage of a user caused by too high water pressure and waste of the liquid medicine are avoided; and by means of arrangement of a drying head, the cleaned part can be dried, and the situation that bacteria breed due to too long natural drying time and hurts the user is prevented.

The invention discloses a structure of a water jet blade. The blade expands from a back part toward a front part to form a conical body; a conical cavity gradually expanding from the back to the front is formed in the body; and a plurality of water outlets communicated with the front end of the body are formed on the bottom part of the cavity. The formation of the conical cavity in the body of the blade ensures that both the lengths of the water channels of the water outlets and the pressures of he water flows sprayed out from the water outlets are similar and that the effluent pressure of the water jet blade is uniform; the formation of the cavity promotes the formation of a reservoir in the blade, water enters the reservoir under the action of the pressure applied on a water source is buffered in the reservoir and the pressures provided by the reservoir for the water outlet are uniform, so the working performance of the blade is improved effectively; the reservoir has a bigger volume than the cylindrical cavity in the traditional blade, so the bland is casted with less material; and thus, the material cost of the use of the blade is reduced effectively and the water jet blade is more competitive in the market.

The invention discloses a roller-shutter-type fireproof door which comprises a fireproof reel sleeve, a roller shutter fireproof door body and a first decoration frame. A square reel is arranged outside driving key teeth, a connecting piece is welded to the front side of the square reel, and threaded mounting shafts matched with threaded fixing cylinders are arranged on the outer side of a mounting piece. Skeleton connecting strips are arranged on the two sides of the roller shutter fireproof door body correspondingly, mounting clamping blocks are arranged on the lower portions of the skeletonconnecting strips, water passing holes are formed in the middles of sliding shafts, roller shutter fireproof rods are arranged on the inner sides of mounting holes, and hydraulic pressure slopes arearranged in the middles of the roller shutter fireproof rods. A plurality of fire hydrant connecting openings are formed in the front side of the first decoration frame. The square reel is arranged outside the driving key teeth, and thus the roller shutter fireproof door body is advantageously curled and stored; the threaded mounting shafts matched with the threaded fixing cylinders are arranged on the outer side of the mounting piece, and thus the fireproof reel sleeve is advantageously fixed to a wall; the hydraulic pressure slops are arranged in the middles of the roller shutter fireproof rods, thus hydraulic pressure of different heights advantageously keeps balance; and a fireproof groove is formed in a second decoration frame, so that fire extinguishing is faster.

The invention relates to the technical field of fire-fighting systems, and discloses a fire-fighting pipeline system. The fire-fighting system applied to buildings includes a fire-fighting pipeline, outdoor fire hydrant groups corresponding to the number of the buildings and a first frame for elevating the loop pipe network sections, wherein the fire-fighting pipeline includes the loop pipe network sections corresponding to the number of the buildings one to one and at least two water inlet pipes for supplying water for the fire-fighting pipeline, each fire hydrant group includes at least oneoutdoor fire hydrant, and in the loop pipe network sections and the outdoor fire hydrant groups which correspond to the same buildings, each outdoor fire hydrant in the outdoor fire hydrant groups andthe loop pipe network sections communicate through fire hydrant branch pipes buried in the ground. According to the fire-fighting pipeline system, the loop pipe network sections are arranged on the inner walls or the outer walls of the buildings in an elevated mode, the connecting pipe sections are arranged in an elevating pipe gallery, and the length of the fire-fighting pipeline buried in a trench excavated in the past can be decreased.

The invention provides a drying system for washing equipment and a dish-washing machine. The drying system comprises a water collecting tank, wherein the water collecting tank is internally provided with a hot water cavity, the hot water cavity is internally provided with an air inlet channel, and the air inlet channel is provided with an air inlet; an air outlet which is formed in the air inlet channel; a water inlet pump, wherein a water inlet pipe is connected to the water inlet pump, and one end of the water inlet pipe is arranged at a water inlet of the water collecting tank; and a wateroutlet pump, wherein a water outlet pipe is connected to the water outlet pump, and one end of the water outlet pipe is arranged at a water outlet of the water collecting tank. According to the invention, the water inlet pump can guide hot water into the hot water cavity of the water collecting tank, a fan introduces external cold air into the hot water cavity, and a hot air channel in the hot water cavity makes the hot water stably act on the cold air to heat the cold air; and then the heated cold air is exhausted to the outside from the hot air channel through the air outlet in the form of hot air, so that tableware on the outer side of the water collecting tank is dried.

The invention discloses a multi-stage water retaining and emptying system for high dam engineering. The system comprises a water retaining unit and a water discharging unit which are arranged in sequence along the water flow direction in a tunnel, wherein the water retaining unit is formed by n stages of water retaining gate devices which are arranged at an appropriate spacing; the water discharging unit comprises an accident gate device and a water discharge gate device; and the n stages of water retaining gate devices of the water retaining unit respectively comprise maintenance gate wells and working gate wells which are arranged side by side in the tunnel; flat pressure pipes are arranged side by side at the outer sides of all the gate wells and are respectively communicated with all the maintenance gate wells and the working gate wells; the height, relative to the bottom of the tunnel, of the flat pressure pipe is lower than the water level in the last gate well. By adopting the technical scheme, the water levels in the gate wells are gradually reduced, and the relative water pressure of all the water retaining gate devices is kept stable, so that the resultant force applied to a gate is within the maximum range that the metal structure can bear, and the ability to empty to any depth is achieved; furthermore, due to arrangement of devices such as a blowdown pipe and a water overflow corridor, the safe operation of the emptying system is guaranteed.

The invention discloses a true triaxial loading and unloading test device for large-size bedded pressure-bearing rock and a testing method. The device comprises a confining pressure loading module, a sample storage and water outlet module, a confined water loading module, a load loading module and a signal collecting and processing system, wherein the confining pressure loading module comprises two horizontal loading and unloading systems which are independent and perpendicular to each other and is used for performing horizontal load loading and unloading on the wrapped sample storage and water outlet module; the confined water loading module is located at the bottom of the sample storage and water outlet module and is used for performing confined water loading and unloading on the bottom of the bedded rock; the load loading module is located at the top of the sample storage and water outlet module and is used for performing vertical load loading and unloading on the top of the bedded rock; the signal collecting and processing system is used for collecting and analyzing signals in a test process. The test device realizes the true triaxial test of the bedded rock through four independent loading and unloading systems, truly simulates three-way anisobaric stress state of the coal-series bedded pressure-bearing rock and is more true and more reliable than a conventional triaxial test.

The invention relates to a composite type energy-containing rod used for generating controllable impact waves and a manufacturing method thereof, which solve the problem that current dynamic measureshave the safety problem, and an electric pulse technology has difficulty in generating obvious permeability improvement effect. According to the composite type energy-containing rod used for generating controllable impact waves disclosed by the invention, a housing and an inner tube are hollow straight tubes with two sealed ends, wherein the housing and the inner tube coaxially sleeve; the outer diameter of the housing is 18-23 mm, and length of the housing is 95-105 mm; the outer diameter of the inner tube is 4-8 mm and length of the inner tube is 72-77 mm; a metal wire is arranged along theaxis of the housing and the axis of the inner tube; the two ends of the metal wire extend to the outside of the housing and are fixedly equipped; and the inner tube is filled with a powder shaped energy-containing material, and a liquid energy-containing material is filled between the inner tube and the housing. The manufacturing method for the composite type energy-containing rod used for generating controllable impact waves comprises preparing parts, assembling the metal wire, an inner tube end head and the inner tube, filling the powder shaped energy-containing material into the inner tube,encapsulating the inner tube end head, assembling the inner tube, end covers and the straight tubes, and filling the liquid energy-containing material into the straight tubes, and encapsulating through the end covers.

The invention relates to a double-rotational-flow water distributor and an anaerobic reactor, the double-rotational-flow water distributor comprises an inner rotational-flow water distribution structure and an outer rotational-flow water distribution structure which are fixed at the bottom of an inner cavity of the anaerobic reactor, and the inner rotational-flow water distribution structure and the outer rotational-flow water distribution structure are not connected; and the inner rotational flow water distribution structure, the outer rotational flow water distribution structure and the bottom surface of the anaerobic reactor between the inner rotational flow water distribution structure and the outer rotational flow water distribution structure jointly form a sludge collecting ring conefor collecting anaerobic sludge. Two-way rotational flow formed by the double-rotational-flow water distribution structure is matched with scattered water flow formed by the downcomer water distribution structure, the three directions are strongly staggered, the mixing efficiency of sewage and anaerobic sludge is improved, the mass transfer efficiency is improved, and the reaction efficiency of the reactor is improved.

The invention provides a self-correction adjustable fire monitor head. The self-correction adjustable fire monitor head comprises a water separation head module and a water separator connected in sequence, wherein the water separation head module is used for adjusting the water quantity of a water outlet, and can perform the coaxiality adjustment according to the water pressure to prevent instablewater type caused by deflection; and the water separator is used for counteracting centrifugal force generated during rotary movement of water currents to improve the agglomeration effect of water columns during injection and to reduce the friction coefficient between the water columns and air. Through arrangement of the water separation head module and twelve blades, a water separation head mainpiece moves up and down relative to a cap to adjust the water quantity and the balanced water pressure and to automatically calibrate the coaxiality of the water separation head main piece and a firemonitor so as to guarantee unified water types; and in addition, foreign matters can be prevented from entering an inner cavity of a fire monitor body to block the monitor body.

The invention discloses an immersive sprinkling-type feather and down feather washing device with a low bath ratio. The immersive sprinkling-type feather and down feather washing device with the low bath ratio comprises a lower box base, a base plate, a washing cylinder, an outer cylinder, a water supply and drain system, a stirring system and a high-pressure sprinkling system, wherein the base plate is connected with the upper end of the lower box base in a fastened mode, the lower end of the washing cylinder is connected with the upper end face of the base plate in a fastened mode, the lowerend of the outer cylinder is connected with the side wall of the base plate in a fastened mode, the outer cylinder is connected with the washing cylinder in a fastened mode, the water supply and drain system is communicated and connected with the interior of the washing cylinder, the stirring system is connected with the lower box base and the base plate, and the high-pressure sprinkling system is connected with the outer cylinder, so that cyclic sprinkling of a washing solution is realized, the functions of automatic turning and repeated scrubbing of down feather are also realized, the cleaning efficiency is higher, and the cleaning effect is better.

The invention discloses a method for decreasing the temperature of a central air conditioner through clear water. The clear water at the temperature of 20+ / -2 DEG C is conveyed into spraying pipes vertically distributed in a central air conditioner chamber through a chilled water pipeline, the clear water in the spraying pipes is sprayed to air in the central air conditioner chamber through nozzles arranged on the spraying pipes to achieve heat-humidity exchange, and the clear water subjected to heat-humidity exchange falls into a spraying pool below the central air conditioner chamber; the clear water falling into the spraying pool enters a refrigeration station through an overflowing pipe, and then a water pump is used for pumping the clear water entering the refrigeration station into a main water producing pipe network. By means of the method, the energy consumption of the central air conditioner in summer is effectively lowered, resources are fully utilized, the objectives of saving energy and reducing emission are achieved, and the purpose of clean and environment-friendly production is achieved.