55results about How to "Sewage quickly" patented technology

The invention discloses a 3D super-swirling siphon closestool. The 3D super-swirling siphon closestool comprises a closestool main body, wherein the closestool main body comprises a closestool tank, a siphon pipe, a flushing water passage and a jetting water passage; a flushing hole is formed in the top of the closestool tank; a jet orifice and a drain outlet are formed in the bottom of the closestool tank; the flushing hole is communicated with the flushing water passage; the jet orifice is communicated with the jetting water passage; the drain outlet is communicated with the siphon pipe; an angle is formed between the hole surface of the flushing hole and the side surface of the closestool tank, so that water jetted from the flushing hole does circumferential movement around the closestool tank to form a first swirl; the jet orifice is formed in the side of the closestool tank, water jetted from the jet orifice does circumferential movement around the closestool tank to form a second swirl; the second swirl and the first swirl have the same swirling direction. The 3D super-swirling siphon closestool can achieve a double-swirl water flow, speeds up siphon, speeds up drainage, sufficiently reduces noises and has significant water-saving and draining effects.

The invention discloses a drainage stop valve which comprises a main valve, a piston device and a pilot valve. The main valve is internally provided with a valve cavity which is provided with an inlet, an outlet and a valve core for controlling the inlet and the outlet of the valve cavity to open and close. The drainage stop valve is provided with a liquid inlet communicated with the inlet of the valve cavity and a liquid outlet communicated with the outlet of the valve cavity. The piston device is provided with a piston in synchronous transmission connection with the valve core. The piston divides a piston cavity of the piston device into a first cavity and a second cavity. The pilot valve is provided with a work port communicated with the first cavity. The second cavity of the piston device is communicated with the inlet of the valve cavity through a channel. The liquid inlet of the drainage stop valve is communicated with the second cavity of the piston device through the channel to realize communication with the inlet of the valve cavity. In the moving process of the piston, liquid impurities in the second cavity communicated with the liquid inlet are pushed, so that the liquid impurities flow to the valve cavity quickly and flow out from the liquid outlet through valve cavity so as to drain quickly.

The invention discloses a single-stage, multi-stage and variable-stage rotational flow air floatation oil-containing sewage treatment device, which comprises an outer shell comprising all stages of cylinder bodies, an upper seal head and a lower seal head, an inlet and outlet pipeline part comprising all stages of overflow pipes, all stages of reflux pipes, an underflow pipe and a central verticalpipe, and an internal structure comprising all stages of water distribution pipes, all stages of flow guide plates, annular channels and treated water collecting plates, wherein the first-stage overflow pipe is positioned at the top of the upper seal head, other overflow pipes are positioned on the upper side surfaces of various stages of the cylinder bodies, the underflow pipe is positioned at the lower seal head, various stages of the reflux pipes penetrate through various stages of the cylinder bodies and are communicated with various stages of the annular channels, the central vertical pipe is located on the axis of the cylinder bodies and penetrates through the lower seal head, the annular channels and various stages of the cylinder bodies, the first-stage water distribution pipe ispositioned at the top of the central vertical pipe, other water distribution pipes are positioned at the bottoms of the annular channels, various stages of the flow guide plates spirally incline upwards and are fixed on the inner walls of various stages of the cylinder bodies, and the treated water collecting plate is positioned between the two cylinder bodies. The device of the invention is compact in structure, easy and convenient to operate, wide in applicability and good in oil removal effect, wherein the single-body multi-stage design meets the requirements of different effluent qualitiesand treatment capacities.

The invention discloses a water-saving discharging pipeline of a pedestal pan. The water-saving discharging pipeline comprises a water inlet bend, a water sealing bend and a discharging bend. A water inlet of the water inlet bend is connected with a drain hole in the bottom of a pedestal pan bowl body, a water outlet of the discharging bend is connected with a sewer, and the center of a water outlet of the water inlet bend is higher than the center of a water inlet of the discharging bend. One end of the water sealing bend is connected with the water outlet of the water inlet bend in a sleeved mode, and the other end of the water sealing bend is connected with the water inlet of the discharging bend in a sleeved mode. The water sealing bend is provided with a swing device. The pedestal pan matched with the water-saving discharging pipeline is easy to operate, convenient to wash and high in discharging speed. Stinks can be prevented from polluting the air, the level of civilization of a toilet is improved, the amount of water used for flushing the toilet is greatly lowered, and thus an obvious energy-saving effect is achieved.

The invention relates to the technical field of liquid level meters, and discloses an anti-blocking mechanism of a magnetic turning plate liquid level meter. The anti-blocking mechanism comprises a liquid level meter body, which comprises two mounting pipes and a blow-down valve, wherein the right sides of the interiors of the two mounting pipes are connected with mounting mechanisms and are connected with filter screens through the mounting mechanisms, annular pipes are fixedly arranged at the positions, located on the right sides of the filter screens on the same sides, in the two mounting pipes, a plurality of evenly-distributed jet pipes are fixedly connected to the left sides of the pipe walls of the two annular pipes, a T-shaped connecting pipe is jointly and fixedly communicated between the two annular pipes, and a mounting plate is fixedly connected to the left outer side wall of the liquid level meter body. According to the anti-blocking mechanism of the magnetic turning plate liquid level meter, solid particle impurities embedded in the filter screen can be rapidly cleaned so as to prevent the blocking phenomenon, disassembly is not needed so as to facilitate the continuous detection of a detected medium, and the situation that due to the fact that the flow speed of the medium is too high, the magnetic floater excessively floats up and down, and observation of the detection effect is affected can be prevented.

The invention provides a Y-shaped filter capable of realizing backwashing and quickly discharging sewage. The Y-shaped filter comprises a filter body (1) and a filter screen cylinder (3) installed inthe filter body (1), an inlet ball valve (4) is installed on a fluid inlet (11) of the filter body (1), and a sewage draining exit (13) of the filter body (1) is connected with a sewage draining ballvalve (5) through a transition joint (2). According to the Y-shaped filter capable of realizing backwashing and quickly discharging sewage, the inlet ball valve and the sewage draining ball valve aremounted, so rapid backwashing and sewage draining of the Y-shaped filter can be realized; therefore, a plug and the filter screen cylinder do not need to be disassembled when impurities are removed from the Y-shaped filter, a series of problems caused by disassembling and assembling of the filter screen cylinder are reduced, and pollution discharge efficiency and quality are improved.

The invention discloses an unloading valve with cooling and automatic sludge discharge devices. The unloading valve comprises a valve body with an air induction passage outlet and an air venting passage inlet, a cooling device with an air inlet, an air outlet and a sludge discharge port, and a sludge discharge device, wherein the air induction passage outlet and the air venting passage inlet are respectively communicated with the air inlet and the air outlet; the unloading valve is characterized by further comprising an air induction one-way valve located in the air induction passage outlet, between the air induction passage outlet and the air inlet or in the air inlet. The unloading valve not only can enable the sludge discharge device to work regularly and guarantee sludge discharge effect, but also can cool high-temperature and high-pressure gases, and has better effect on coagulating separation and elimination of impurities, such as greases and the like.

A water-saving deodorizing closestool comprises a closestool body, a closestool basin, a closestool cover and a straight-through anti-reflux device. The straight-through anti-reflux device comprises a spherical straight-through pipe, two seal baffles and a link mechanism; the upper end of the spherical straight-through pipe is communicated with a sewage-discharge basin neck on the lower portion of the closestool basin, and the lower end of the spherical straight-through pipe is communicated with a sewage-discharge elbow pipe; the seal baffles are hinged to fulcrums on the two sides of the sewage-discharge basin neck through rotating shafts; connecting rods at the tails of the seal baffles are provided with long sliding chutes; the connecting rods at the tails of the seal baffles penetrate through baffle grooves in the two sides of the spherical straight-through pipe and are connected with the link mechanism through the long sliding chutes; when the closestool cover is closed or opened, a push rod at the tail of the closestool cover drives the link mechanism to descend or ascend so as to drive the seal baffles to be opened or closed so that the opening of the sewage-discharge basin neck can be closed or opened. The water-saving deodorizing closestool is scientific and reasonable in design, low in cost, convenient to use, good in water-saving effect, good in deodorizing effect and capable of discharging sewage quickly.

The invention discloses a control system and a control method of a water heater. The control system comprises a sewage discharge triggering unit and a main control unit. The main control unit is connected with the sewage discharge triggering unit, controls a sewage discharge valve of the water heater to be turned on and controls a water inlet valve of the water heater to be turned off when receiving a sewage discharge signal of the sewage discharge triggering unit, and controls the sewage discharge valve of the water heater to be turned off when not receiving the sewage discharge signal of the sewage discharge triggering unit. The control system of the water heater has the advantages that sewage of the water heater can be discharged more conveniently, automation degree of the water heater is improved and the like.

The invention discloses an automatic sewage draining and cleaning device for a RV withdrawable black water tank. The automatic sewage draining and cleaning device comprises a cleaning supply pile, a sewage suction device and a cleaning gun, wherein the cleaning supply pile comprises a pile body, a faucet, a charging port, a flushing port, a sewage draining exit, a self-priming sewage pump, a billing device, a cleaning gun connection port, a first electronically controlled ball valve, a second electronically controlled ball valve, a fixed clamping groove and a hook; and the sewage suction device comprises a water inlet hose, a sewage draining hose, and a connection end cover, a support ball, a sewage suction head, a fixed snap ring, and a plurality of limit snap rings. The automatic sewagedraining and cleaning device uses a mechanical method to dump sewage in the black water tank, saves manpower, and is suitable for RV camps and service areas of expressways, so as to create a more comfortable and environmentally friendly driving experience for RV drivers and passengers.

The invention discloses a water-saving intelligent motor foam toilet stool system, which comprises a toilet stool, a water inlet valve connected with the toilet stool, a unidirectional conduction valve for discharging, a PLC numerical control device, a numerical control motor controlled by the PLC numerical control device, a rotary pump body and a foam controller driven by the motor, wherein the rotary pump body is added between the toilet stool and the unidirectional conduction valve; the foam controller is equipped between the toilet stool and the water inlet valve; the water inlet valve is an electromagnetic valve controlled by the PLC numerical control device. Through the scheme, the toilet stool washing water is saved; the odor is isolated; the waste can be quickly conveyed and discharged strongly. As the decrease of the washing water, the domestic wastewater for washing toilet stool is reduced on a large scale, so that the water-saving and reduction functions can be realized; at the same time, the motor can be used for crushing the waste, the quantity and difficulty for sequentially treating domestic wastewater can be reduced; and the system has a great economic benefit and a social effect.

The invention discloses a split type easy-to-clean chute for highway engineering. The split type easy-to-clean chute comprises a chute body, a grid arranged in the chute body, a sewage storage structure and a cleaning mechanism for maintaining the impurity filtering effect of the grid. The two ends of the chute body are correspondingly provided with a clamping piece and a clamping groove respectively. A cleaning brush is movably clamped at the upper end of the grid. One side of the grid is rotationally connected to the inner wall of the chute body. The other side of the grid is rotationally connected to the sewage storage structure. The grid rotates to control a valve mechanism of the sewage storage structure to be switched on or off. When sewage needs to be discharged, a slide auxiliary frame can slide out of a main frame, sewage impurities intercepted by the grid can be guided into a sewage collecting groove through a through hole and a sewage discharge notch, impurities are concentratedly intercepted and rapidly discharged, blockage is avoided, and cleaning is facilitated; a cable can be wound and connected by rotating a rotating handle, the grid can be cleaned through bristlesof a slide brush, and therefore blockage is avoided; due to the design, the cleaning brush can be conveniently detached and is convenient and rapid to use when needed.

The invention relates to a safety blowdown and discharge tool of a ball valve DN100 and below for a natural gas pipeline. The safety blowdown and discharge tool comprises a locating frame and a safetydetection discharge pipe group; the safety detection discharge pipe group is used for safely discharging gas exhausted from a drain outlet of a drain valve, and the air inlet end of the safety detection discharge pipe group is fixed to one end of the locating frame, and extends into the locating frame; the exhaust end of the safety detection discharge pipe group communicates with a collection container; the other end of the locating frame is provided with a locating head extending into the locating frame, and the locating head can be moved relative to the locating frame to approach to or keepaway from the air inlet end of the safety detection discharge pipe group; and a drain nozzle of the ball valve is clamped between the air inlet end of the safety detection discharge pipe group and alocating threaded head, and a drain outlet of the drain nozzle is in butt joint and communicates with the air inlet end. The tool has the advantages of reliable performance, the simple structure, andtime and labor saving in work, and is easy to carry; and the pressure value of a valve cavity can be measured accurately, and the purpose of quick and safe blowdown is achieved.

The invention belongs to the technical field of livestock breeding, and discloses a large-scale livestock breeding device based on RFID and a camera. The large-scale livestock breeding device based on the RFID and the camera comprises a feeding hopper, one or more bases, feeding troughs, first guiding plates and second guiding plates, wherein the bases are fixed at the bottom of the feeding hopper, material guiding cavities are formed in the bases, and a quantitative electromagnetic valve is connected between each material guiding cavity and the feeding hopper; the feeding troughs are rotatably mounted at the top of the bases, and the axial cross section of each feeding trough is in an arc shape larger than 1 / 2 and smaller than 3 / 5; the first guiding plates and the second guiding plates are arranged in the feed guiding cavities, can be combined to form arc-shaped sections larger than 2 / 5 and smaller than 1 / 2 and wrap the outer surface wall of the feeding troughs; the first guiding plates are movably mounted and is used for guiding and conveying breeding foodstuff fed by the quantitative electromagnetic valves to positions between the first guiding plates and the second guiding plates. In conclusion, the foodstuff can be effectively protected through the rotatable arrangement of the arc-shaped feeding troughs, and therefore the situation that the foodstuff is polluted due to treading is effectively avoided.

The invention belongs to the technical field of sewage treatment, and discloses lung-simulated treatment equipment for polyvinyl chloride plastic regeneration cleaning sewage. The lung-simulated treatment equipment for the polyvinyl chloride plastic regeneration cleaning sewage comprises a water tank, support legs are installed at the bottom of the water tank, guide grooves are formed in the leftand right side walls in the water tank, guide blocks are slidingly connected into the two guide grooves, the bottom wall of the water tank is fixedly communicated with the water inlet end of a water outlet pipe, and a water valve is fixedly installed at the water outlet end of the water outlet pipe. According to the lung-simulated treatment equipment for the polyvinyl chloride plastic regenerationcleaning sewage, through the arrangement of lung-type purification mechanisms, the principle of lung breathing is simulated, and the sewage is quickly pumped and discharged; different from traditional filtering structures, the lung-type purification mechanisms can quickly collect polyvinyl chloride plastic particles after filtering the sewage, and the sewage is quickly collected; through the arrangement of sewage discharge pipes and sewage discharge linkage mechanisms, the sewage discharge of the lung-type purification mechanisms is facilitated, and the working efficiency of the equipment isimproved.

Single-stage, multi-stage and variable-stage cyclone air flotation oily sewage treatment devices, including the external shell composed of cylindrical cylinders and upper and lower heads; overflow pipes, return pipes, and underflow pipes at all levels 1. The inlet and outlet pipeline part composed of central standpipe; the internal structure composed of water distribution pipes at all levels, deflectors at all levels, annular channel and treated water collection plate. The primary overflow pipe is located on the top of the upper head, and the other overflow pipes are located on the upper side of the shells at all levels; the bottom flow pipe is located at the lower head; the return pipes of all levels pass through the shells of all levels and communicate with the annular passages of all levels; the central standpipe It is located on the axis of the cylinder and passes through the lower head, the annular passage and the cylinders at all levels; the first-level water distribution pipe is located at the top of the central riser, and the others are located at the bottom of the annular passage; the deflectors at all levels are spirally inclined and fixed in the cylinders at all levels Wall; treatment water collection plate is located between the two cylinders. The invention has the advantages of compact structure, simple operation, single multi-stage design to meet the requirements of different effluent water quality and treatment capacity, wide applicability and good oil removal effect.

The invention relates to the technical field of electric water heaters, and discloses an electric water heater based on a turbine worm automatic cleaning heating pipe. The electric water heater comprises a water tank, a water inlet pipe and a water outlet pipe are installed on the right side of the water tank, a heating pipe is fixedly installed on the right side of the inner wall of the water tank, the right side of a transmission shaft is fixedly connected with a lower turbine, a worm is engaged with the rear face of the lower turbine, a turbine shaft is fixedly connected to the right side of the supporting block, an upper turbine is in transmission connection to the right side of the turbine shaft, and a cleaning brush is fixedly connected to the right side of the upper turbine. According to the electric water heater based on the turbine worm automatic cleaning heating pipe, a drain outlet is opened, water flow drives a power wheel to rotate, the power wheel drives the transmissionshaft to rotate, the transmission shaft drives the lower turbine to rotate, the lower turbine drives the worm to rotate, the worm drives the upper turbine to rotate, and therefore the effect of automatically cleaning the heating pipe is achieved through the cooperation use of the upper turbine and a cleaning brush.

The invention discloses a primary filtering device for sewage treatment and an operation method thereof, belonging to the technical field of sewage treatment equipment. According to the primary filtering device, the upper end of a sedimentation tank is provided with a liquid inlet pipe; the inner bottom of the sedimentation tank is equipped with a sewage collecting plate; a blowdown valve is installed on the middle portion of the sewage collecting plate; the middle-lower side of the sedimentation tank is connected with upper end of an aeration tank through a pipeline; the pipeline is separately connected with a water pump I and a filter; the inner bottom of the aeration tank is provided with an aeration unit; the inner upper end of the aeration tank is equipped with a chemical spraying tray; the lower side of the aeration tank is connected to a filter cartridge through a water pump II and a water pipe; the filter cartridge is internally provided with multiple layers of filter net; a blowdown flashboard is arranged on the right side of the multiple layers of filter net; a drain pipe is installed on the right lower end of the filter cartridge; and a drain valve is installed on the drain pipe. The primary filtering device of the invention facilitates the filtration and purification of sewage, can realize fast sewage discharging, is high in efficiency and saves time.

The invention belongs to the field of sedimentation tanks, and relates to an environment-friendly sewage discharge sedimentation tank, which comprises a sedimentation structure, a rotary sewage discharge structure, a transmission structure, a fixing structure and a sedimentation tank body. The sedimentation tank body has a sedimentation zone and a sewage discharge zone, and the sedimentation structure is arranged in the sedimentation zone. The rotary sewage discharge structure is rotatably connected to the front and rear side walls of the sedimentation tank. The fixing structure is fixedly connected to the right side wall of the sedimentation tank body. The transmission structure is connected to the fixing structure. a sewage discharge opening is formed in the right end of the lower portion of the sedimentation tank body, a sewage discharge pipe is connected to the sewage discharge opening, and a sewage discharge valve is installed on the sewage discharge pipe. The sedimentation structure is used for sedimentation of contaminants. The rotary sewage discharge structure is used for controlling opening of the bottom of the sedimentation structure. The rotary sewage discharge structure is linked with the sewage discharge valve through the transmission structure. The sewage discharge zone is arranged below the sedimentation tank body, a sedimentation plate is turned over while the sewage discharge valve is opened, contaminants are taken away by water flow while falling into the sewage discharge zone, and the sedimentation tank is simple, convenient and complete in sewage discharge.

The invention discloses a water-saving closestool which comprises a closestool body and a water tank. The closestool body comprises a bed pan, a water inlet channel and a sewage discharging pipe, a water through cavity of the water inlet channel is arranged to be inclined, the water through cavity comprises a water inlet segment, a middle transition segment and a water outlet segment which are sequentially arranged, the water inlet segment and the water outlet segment are connected with a water outlet of the water tank and a flushing opening of the bed pan respectively, and the areas of cross sections of the water inlet segment, the middle transition segment and the water outlet segment are sequentially decreased; the sewage discharging pipe comprises a sewage inlet segment, a buffering segment which is inclined upwards, a steering segment and a water concentration segment which is inclined downwards, wherein the sewage inlet segment, the buffering segment, the steering segment and the water concentration segment are sequentially arranged, and the sewage inlet segment and the water concentration segment are connected with a sewage inlet channel and an external sewage discharging pipe of the bedpan. According to the water-saving closestool, water is supplied through the water inlet channel which is arranged to be inclined, and the water inlet channel is gradually decreased from top to bottom, so that the pressure of water in the flowing process is gradually increased, the kinetic energy of flushing is improved, the time for generating siphon of the sewage discharging pipe is shortened, the complete sewage discharging function is achieved through relatively less water, and the purpose of saving water resources is achieved.

The invention provides a gypsum plaster board modified starch and a production method thereof. The gypsum plaster board modified starch comprises the following components: starch, hydrochloric acid, ammonium persulfate and alkaline pH value modifier; the production method comprises the following steps: (1) adding starch into a reaction container of 50DEG C-70DEG C, and adding hydrochloric acid of corresponding proportion; (2) adding a proper amount of water into the ammonium persulfate of corresponding proportion to prepare an ammonium persulfate water solution, and then adding into the reaction container; (3) reacting the materials for 100-150 minutes; (4) when the viscosity meets the requirement, immediately adding the alkaline pH modifier for neutralization, stirring for 15-20 minutes, and controlling the pH of the product to be 5-8; and (5) discharging the product, cooling, sieving and bagging. According to the gypsum plaster board modified starch and the production method thereof, the traditional wet-process production technology is changed by adopting dry-process semi-dry process production technology, and the defects that the dry process cannot perform continuous production, the product is extremely instable can be overcome. Through the technology, large-scale industrial production is performed, the old production technology is thoroughly changed, so that the gypsum plaster board modified starch and the production method thereof are worthy of popularization.

The waterfall type washing hanging toilet bowl comprises a seat ring panel and a container bag, and the container bag is provided with a urinal, a drainage channel and a flushing structure; the flushing structure comprises a water inlet cavity formed in the rear end of the urinal, a first water guide channel and a second water guide channel, the first water guide channel and the second water guide channel are arranged along the periphery of the top of the urinal, the first water guide channel is arranged at the rear end of the urinal, and first water distribution holes are formed in the top face of the first water guide channel. The second water guide channels are continuously arranged on two sides and the front end of the urinal, flushing holes are formed in the end faces of one ends of the second water guide channels, and second water distribution holes are formed in the top faces of the other ends of the second water guide channels. The seat ring panel is provided with a water guide check ring extending into the urinal; water baffles are arranged at the two ends of the second water guide channel of the urinal, and preset distances are formed between the water baffles and the seat ring panel; a water guide groove is formed between the water baffle close to the flushing hole and the second water guide channel, and the water guide groove is located behind the side of the drain outlet. According to the waterfall type washing hanging toilet, the 360-degree waterfall type washing effect can be achieved, washing residues are avoided, the flushing structure is not prone to hiding dirt, and the flushing effect is good.

The invention relates to a high speed motor train unit mop washbasin comprising a washbasin component mounted on a mounting seat. The washbasin is characterized in that the washbasin component comprises an outer washbasin unit and an inner washbasin unit mounted in the outer washbasin unit; a gap is formed between the inner surface of the outer washbasin unit and the outer surface of the inner washbasin unit; the center of the bottom of the inner washbasin unit is provided with an inner washbasin unit drainage hole, a drainage device is mounted in the inner washbasin unit drainage hole, and an overflow hole is formed in the upper portion of the side wall of the inner washbasin unit; the center of the bottom of the outer washbasin unit is provided with an outer washbasin unit drainage hole corresponding to the inner washbasin unit drainage hole; the outer washbasin unit is connected to a gray water box through the outer washbasin unit drainage hole; the gray water box is connected to an electric ball valve through a pipeline, and the electric ball valve is connected to an evacuating pipeline; the water inlet of the upper portion of the gray water box is connected to the inner washbasin unit drainage hole, and the water outlet of the gray water box is connected to the electric ball valve through a pipeline; the upper portion of the gray water box is provided with a level sensor used for measuring the inner level of the gray water box. The high speed motor train unit mop washbasin has the advantages that sediment is prevented from accumulating in the gray water box.

The invention discloses a self-cleaning electric water heater visual drainage device which is installed on a water heater drainage port. The self-cleaning electric water heater visual drainage device comprises a joint, a transparent window seat and a switch assembly, wherein the water heater drainage port is connected with the transparent window seat through the joint, so that the liner of the water heater communicates with the inner cavity of the transparent window seat; by using the switch assembly, the inner cavity of the transparent window seat can be in the closed or communicating state with the outside; a window impeller is arranged in the inner cavity of the transparent window seat; the edge of the window impeller is provided with a wiping unit which is used for wiping the inner wall of the transparent window seat; and a long grip of the window impeller is connected with the switch assembly. The water quality in the liner of the electric water heater can be directly monitored in time through the transparent window; the transparent window can be kept clean and clear for a long time; and thus, the drainage device is reasonable in structure, safe and convenient to use and quick in drainage, prolongs the service life of the electric water heater, and enhances the market competitiveness of the product.

The invention discloses an assembly type chemical spraying tube of a plantation protection chemical spraying machine. The assembly type chemical spraying tube comprises a plurality of chemical spraying tubes and a plurality of chemical spraying connectors; the chemical spraying tube is provided with a plurality of spraying holes; the chemical spraying connector is an axle-sleeve-shaped member, wherein the middle portion of the axle-sleeve-shaped member is provided with a shaft shoulder; end tubes on two ends of the shaft shoulder are respectively inserted into inner holes of ends of the chemical spraying tubes on two ends for sealing connection; and the further improvement of the assembly type chemical spraying tube reside in that: a connection part between the chemical spraying tube connector and the chemical spraying tube is provided with a sealing connection structure; and the outer diameter of the shaft shoulder of the chemical spraying tube is identical with the outer diameter of the chemical spraying tube. The assembly type chemical spraying tube of the plantation protection chemical spraying machine is an assembly structure, can fast regulate chemical spraying width of a farmland, can conveniently perform maintenance, cleaning, and pollution discharge and guarantee smoothness and uniformness of chemical spraying.

The invention provides bathroom assembly and belongs to the field of bathroom products. The bathroom assembly comprises a washstand and a water heater. The washstand comprises a cabinet and a wash basin. The water heater is installed in the cabinet, and the top of the cabinet is provided with the wash basin for achieving the daily washing function. According to the bathroom assembly, the washstand and the water heater are integrated into a whole, the bathroom space is saved, the defects that a traditional wall-mounted type water storage heater will fall down to hurt people and damage a wall are avoided, and home decoration is more attractive and elegant. In addition, the water heater is heated through a nanometer heating pipe, water-electricity separated heating is achieved, the heating speed is high, the energy saving effect is obvious, and the electricity leakage phenomenon caused by corrosion of water to the heating body is not likely to be caused.

The invention discloses a high-pressure stop / pollution discharge ball core valve, belonging to the field of high-pressure valve devices. The valve comprises a valve body (1) and a valve core (5); the valve core (5) is of a ball shape, and is provided with a key slot; and a liquid inlet (8) and a liquid outlet (12) are arranged outside the valve body (1). The valve is characterized in that the valve core (5) is installed in the valve body (1) through a valve seat (6); the valve core is connected with a handle (5) or a speed reduction motor through a rotary shaft (2); two pressure balance channels (13) which are communicated with each other and have equal apertures are arranged at two sides of the valve core (5) in the valve body (1); one end of each pressure balance channel (13) is communicated with a main channel in the valve body (1), and the other end of each pressure balance channel (13) is sealed with a seal screw (14) and a seal ring (7), and thus a closed water groove is formed. The valve has the advantages of flexible opening, reliable sealing and small rotation torque, and can be used in fluid with high pressure and serious pollution, and the valve can be used alternatively under program automatic control and manual control.

The invention discloses a water-saving closestool which comprises a closestool body and a water tank. The closestool body comprises a bed pan, a water inlet channel and a sewage discharging pipe, a water through cavity of the water inlet channel is arranged to be inclined, the water through cavity comprises a water inlet segment, a middle transition segment and a water outlet segment which are sequentially arranged, the water inlet segment and the water outlet segment are connected with a water outlet of the water tank and a flushing opening of the bed pan respectively, and the areas of cross sections of the water inlet segment, the middle transition segment and the water outlet segment are sequentially decreased; the sewage discharging pipe comprises a sewage inlet segment, a buffering segment which is inclined upwards, a steering segment and a water concentration segment which is inclined downwards, wherein the sewage inlet segment, the buffering segment, the steering segment and the water concentration segment are sequentially arranged, and the sewage inlet segment and the water concentration segment are connected with a sewage inlet channel and an external sewage discharging pipe of the bedpan. According to the water-saving closestool, water is supplied through the water inlet channel which is arranged to be inclined, and the water inlet channel is gradually decreased from top to bottom, so that the pressure of water in the flowing process is gradually increased, the kinetic energy of flushing is improved, the time for generating siphon of the sewage discharging pipe is shortened, the complete sewage discharging function is achieved through relatively less water, and the purpose of saving water resources is achieved.

The invention discloses a double-water-path control rapid drainage device, which comprises a water tank with a water storage cavity, a water inlet element for supplying water to the water tank, a washing flushing pipe connected with the water tank, a washing water inlet formed in the bottom of the water storage cavity, a guide cylinder with upper and lower openings, a floating cylinder with upper and lower openings and a water path control component, wherein the guide cylinder is fixedly arranged in the water storage cavity, the upper opening is communicated with the washing flushing pipe, and the lower opening is positioned over the washing water inlet and forms a circulation distance with the bottom surface of the water storage cavity; the floating cylinder is arranged in the guide cylinder in a manner of moving up and down, the upper opening is isolated from the water storage cavity through the guide cylinder, and the lower opening is positioned over the washing water inlet; an air storage chamber with an opening in the lower end is formed in the sidewall of the floating cylinder; the water path control component comprises a double-water-path control valve and a three-way valve connected with an external water pipe. According to the double-water-path control rapid drainage device, the washing flushing pipe and the water storage cavity are communicated and disconnected through the floating cylinder, so that the flushing power is improved, and noise produced by flushing is lowered.