35results about How to "Sewage thoroughly" patented technology

The invention discloses a water wave sewage-drain device which comprises a sewage suction pump, a sewage suction pipe and a base plate. The sewage suction pump is installed on the base plate, one end of the sewage suction pipe is connected to a suction inlet of the sewage suction pump, the other end of the sewage suction pipe is provided with multiple notches, and blades are arranged on the portions, near the notches, of the sewage suction pipe. When the water wave sewage-drain device works and sewage and foam on the surface of a pond are sucked into the sewage suction pipe, the sewage and the foam form a vortex to be rapidly sucked into the sewage suction pipe to be discharged to the exterior of the pond. When the foam passes through the blades before entering the sewage suction pipe, the blades can cut the foam to destroy the tension of the surface of the foam, therefore the foam is easy to be sucked into the sewage suction pipe, and the foam can be rapidly discharged. The water wave sewage-drain device has the advantages that the sewage on the water surface of the pond can be effectively drained, the sewage draining time is short, and the sewage draining is thorough.

The invention discloses a submerged hollow fiber membrane element comprising upper and lower end covers, a membrane shell, a plurality of hollow fiber membrane filaments and sealing and fixing layers at upper and lower ends; the invention also discloses a hollow fiber membrane element using the submerged hollow fiber membrane element Fiber membrane module, including box body, concentrated water collector, quick-installation fasteners, product water cover, lifting parts, seals, partitions, multiple submerged hollow fiber membrane elements, water inlet cover and air distributor The present invention also discloses a hollow fiber membrane system using the submerged hollow fiber membrane unit, comprising a plurality of submerged hollow fiber membrane units, water inlet / drainage pipelines, air intake pipelines, concentrated water pipelines and Water pipeline. The invention has the advantages of simple structure, high anti-pollution and cleaning effect, high interchangeability, long service life, low investment cost, convenient transportation, convenient installation and maintenance, and saves system occupation and engineering costs.

The invention provides a water-saving closestool, which comprises a closestool body and a blow-off pipe connected to a drain outlet of the closestool body, wherein the blow-off pipe comprises an upper adapter tube, a spiral pipeline and a lower adapter tube; and the spiral pipeline is rotationally connected between the upper adapter tube and the lower adapter tube, and the two ends of the spiral pipeline are on the same straight line as a central axis of a connection part between the upper adapter tube and the lower adapter tube. In addition, the water-saving closestool further comprises a driving device for driving said spiral pipeline rotating. Water and sewage in the closestool can be discharged completely without using a large amount of water while the spiral pipeline of the inventionis rotating. Compared with traditional flush toilets, the water-saving closestool greatly saves water resource.

The invention discloses a flushable external pressure type ultrafiltration filter core assembly and a water purifier. The ultrafiltration filter core assembly comprises a filter shell and a filter core arranged in the filter shell, a raw water total inlet is arranged at the water inlet end of the filter shell, a purified water total outlet and a dirt total outlet are arranged at the water outlet end of the filter shell, the filter core comprises a water purifying chamber formed in the filter shell and hollow fiber ultrafiltration membrane filaments placed in the water purifying chamber, a wall of the water purifying chamber is provided with a raw water inlet, a purified water outlet and a dirt outlet , a tube port at one end of the hollow fiber ultrafiltration membrane filaments is sealed, a tube port at the other end of the hollow fiber ultrafiltration membrane filaments is communicated with the purified water outlet, a purified water cavity is arranged between the water purifying chamber and an end cover at the water outlet end of the filter shell, and the purified water cavity is communicated with the purified water outlet and the purified water total outlet; and a sewage cavity is also arranged between the water purifying chamber and the end cover at the water outlet end of the filter shell, the sewage cavity is positioned at one side of the purified water cavity opposite to the water purifying chamber, and the sewage cavity is communicated with the dirt outlet and the dirt total outlet. The flushable external pressure type ultrafiltration filter core assembly prolongs the life of the filter core, increases the total purified water amount and reduces the use cost of a consumer.

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 belongs to the field of water environment purification, and specifically relates to a pool with the function of cleaning floating objects on the water by self-flowing water, including a pool body, and a cleaning device is installed in the pool body, and the cleaning device includes a transmission belt, which is used to support and drive the transmission belt to move The driving wheel assembly and the filter screen laid on the transmission belt, wherein the driving wheel assembly includes the first driving reel, the second driving reel and a transition wheel located at the lower end between the two, the transition wheel is used to make the transmission belt pass through the pool body At the lower end, the transmission belt includes a hollow section and a filter section. The filter screen is arranged on the filter section of the transmission belt. The filter screen can transport the floating objects to the outside of the pool body as the transmission belt moves. The invention can realize the recycling of the water body; based on the comprehensive coverage of the water body by the cleaning device, the invention can more thoroughly collect and discharge the floating objects on the water, effectively improving the sewage discharge efficiency; and solves the problem of cleaning floating garbage in small water areas.

The invention relates to a constant-pressure jet-type water purifier. The constant-pressure jet-type water purifier comprises a shell, a mixing chamber, a reaction chamber and filtering chambers. The constant-pressure jet-type water purifier is characterized in that a nozzle pipe is arranged at the bottom of the shell; the lower end of the nozzle pipe is connected with a raw water pipeline through a water inlet pipe and a water inlet switching valve; the upper end of the nozzle pipe extends into the mixing chamber, and a nozzle is arranged at the upper end of the nozzle pipe; a settling chamber is constructed by a shell inner cavity space outside the mixing chamber and the reaction chamber; the bottom of the settling chamber is an active sludge active sediment area; a blow-off pipe which is communicated with the active sludge active sediment area is arranged at the bottom of the shell; the upper part of the inner cavity of the shell is provided with a sloping plate assembly; the sloping plate assembly comprises at least two layers of perforated sloping plates; the inclination directions of the adjacent perforated sloping plates in upper and lower layers in the sloping plate assembly are opposite; the pore diameter of the upper-layer sloping plate is smaller than the pore diameter of the lower-layer sloping plate; spaces below filter plates are clear water areas; all the clear water areas are communicated with one another; a water outlet pipe which is communicated with the clear water areas is arranged at the bottom of the shell. The constant-pressure jet-type water purifier has the advantages of low energy consumption, complete blowdown, realization of continuous water supply and small floor area.

The invention discloses a column type heat exchanger and an application method and a cleaning and maintaining method thereof and belongs to the field of chemical energy sources. The column type heat exchanger comprises inner straight tubes connected to inner vertical elbows, outer straight tubes and outer tube communicating tubes are connected to form single column type sleeve heat exchangers, adjacent two single column type sleeve heat exchangers are connected through an inner tube connecting tube and an outer tube connecting tube to form a heat exchanger main body, three-way joints of innerand outer rubes are separately connected to the middle parts of the inner and outer connecting tubes for connecting a stop valve, a blowoff pipe and a cleaning tube and the like, ribs are mounted on two sides of each inner straight tube for supporting, and an expansion joint of a corrugated tube is mounted in the middle of each outer straight tube for absorbing thermal expansion of a pipeline. Thecolumn type heat exchanger is reasonable in structural design, and can solve the technical problem that a conventional double-pipe heat exchanger is easy to form scale and block and is not easy to detach, clean and maintain effectively.