33results about How to "Smooth sewage" patented technology

The invention discloses a cultivation water filtration method, including a cultivation water filtration step. The cultivation water filtration step includes that: cultivation water to be filtered passes through a filter screen in surge water flow state from the filter screen down-up under the driving of a power source. The invention also discloses a filtration device for realizing the cultivationwater filtration method, comprising a tank body and a filter screen arranged in the tank body; wherein the tank body is opened with a water inlet and a water outlet, the filter screen is arranged toward the water inlet direction in an inclined way and is arranged above the water inlet, the lower end of the filter screen is connected with a vertical clapboard, the filter screen and the clap board divide the space in the tank body into a sewage region and a clear water region, and the water inlet is communicated with the sewage region while the water outlet is communicated with the clear water region. The invention can cause masses of sewage to strike the filter screen under the driving of surge water flow and deposit downward, filtration time is increased, reverse washing frequency is reduced, and better filtration effect can be realized.

The invention relates to a seat-pressing type double valve plate pedestal pan, comprising a pedestal pan. The seat-pressing type double valve plate pedestal pan is characterized in that a seat cushionsupport is arranged above the pedestal pan; the surface of the pedestal pan is provided with four guide columns which are inserted into return spring holes of a main body bracket; the main body bracket is provided with cross rails for reinforcing; a protective ring at an upper opening of the pedestal pan is provided with a water channel, and the bottom part of the water channel is evenly distributed with flushing holes (twenty); a water outlet at the lower part of the pedestal pan is connected with one end of a storing pipeline by a flange; the water outlet and the storign pipeline are provided with an upper valve plate; the other end of the storing pipeline and a sewage draining port are connected by a flange; a lower valve plate is arranged between the storing pipeline and the sewage draining port; and the upper valve plate and the lower valve plate are driven by a transmission device. The seat-pressing type double valve plate pedestal pan adopts staggered opening and closing for the upper valve plate and the lower valve plate, can drain sewage smoothly under the condition of little water, and can save water by 90 percent compared with the old pedestal pan; the rest water afterflushing forms water seal which can effectively prevent smelt from dispersing by the pedestal pan and also can prevent the sewage from pouring inversely.

The invention relates to the technical field of sewage pumps, in particular to a special large-power submersible sewage pump filter structure. According to the adopted technical scheme, the special large-power submersible sewage pump filter structure comprises a cylindrical filter body connecting column, a cylindrical hollow structure is formed in the filter body connecting column, and the upper end of the filter body connecting column is provided with a cylindrical assembling fastening connecting column, wherein the diameter of the assembling fastening connecting column is larger than that ofthe filter body connecting column. A cylindrical sealing assembling connecting hole is formed in the center position of the upper end of the assembling fastening connecting column. The upper end faceof the filter body connecting column is provided with four cylindrical waste water input ports which are evenly distributed along the circumference, and the waste water input ports are completely located in a sealing assembling connecting hole. The special large-power submersible sewage pump filter structure has the beneficial effects that the usage cost of a large-power submersible sewage pump is integrally and effectively reduced, usage of the large-power submersible sewage pump is more convenient, the integral service life is longer, the later maintaining cost is lower, and the integral usage effect is better.

The invention relates to the field of water supply and drainage, in particular to a pipeline type filter material collection device. The pipeline type filter material collection device comprises an outer sleeve and a plurality of filter plates. Each filter plate is provided with a plurality of filter holes, the filter plates are coaxially arranged in the outer sleeve in a stacked mode, and a gap is formed between every two adjacent filter plates. A water outlet is formed in the upper end of the outer sleeve, a filter material collection opening is formed in the lower end of the outer sleeve, a water inlet is formed in the side wall of the outer sleeve, and the filter plates are arranged between the water inlet and the water outlet. The pipeline type filter material collection device guarantees smooth sewage discharge and reduces or even avoids the situation that a filter material is washed away, so that a better backwashing effect is achieved for a filter pool or a filter tank, filter material consumption is reduced, the operation cost is lowered, and long-term stable operation of filter equipment is facilitated.

The invention discloses a waste percolate collector. The waste percolate collector comprises a pipe shaft, a manhole and an overflow pipeline, wherein the upper end of the pipe shaft is suitable for being connected with a waste hopper and is used for collecting the waste percolate from the waste hopper; the manhole is arranged at the lower part of the pipe shaft and is adjacent to the lower end of the pipe shaft; and the upper end of the overflow pipeline is connected with the pipe shaft and is positioned above the manhole, and the lower end of the overflow pipeline is suitable for being communicated with a ground pool. The waste percolate collector provided by the invention can clean impurities deposited on the bottom part of the pipe shaft at a regular time through the manhole; and in addition, after the impurities in the percolate is deposited on the middle bottom part of the pipe shaft, clear liquor floats to the upper part of the pipe shaft, and when the liquor level of the clear liquor reaches the height of the overflow pipeline, the clear liquor can overflow into the overflow pipeline so as to enter into the ground pool through the lower end of the overflow pipeline, thus facilitating smooth pollution discharge.

The invention discloses a prefilter. The prefilter comprises a shell, a filtering assembly, a water inlet, a first sewage discharging valve and a second sewage discharging valve, wherein the filteringassembly is arranged in the shell, the water inlet is used for allowing a washing liquid to flow into the filtering assembly to flush dirt, and the first sewage discharging valve and the second sewage discharging valve are respectively arranged at two ends of the shell and communicate with the filtering assembly. According to the prefilter provided by the invention, the first sewage discharging valve or the second sewage discharging valve can be selectively opened, so that the dirt is discharged from the first sewage discharging valve or the second sewage discharging valve. Due to the fact that the first sewage discharging valve and the second sewage discharging valve are respectively arranged at two ends of the shell, bidirectional sewage discharge is realized, and the risk that sewage discharge cannot be realized due to damage of a single sewage discharging valve is reduced, so that the failure rate is low, sewage discharge is smooth, and therefore sewage discharge reliability of the prefilter provided by the invention is relatively high.

The invention discloses a dual-mode double-sided automatic scraping and washing pre-filter and a washing method thereof, and relates to the technical field of filters. The dual-mode double-sided automatic scraping and washing pre-filter comprises an upper valve body and a lower valve body, wherein a filter core is arranged in the middle of the upper valve body, a filter cup is arranged outside thefilter core, a rotating seat is arranged at the bottom of the inner cavity of the filter cup, a rotating shaft is arranged in the center of the rotating seat, the lower end of the rotating shaft penetrates through a stainless steel bearing and the filter cup and then is fixedly provided with an impeller through a stainless steel nut, a pair of lugs are oppositely arranged on the side surface of the rotating seat, brush rods are arranged on the lugs through brush rod fixing holes, a brush strip is arranged on the brush rod, the lower valve body is arranged at the bottom of the filter cup, andthe lower valve body is provided with a main water outlet and an auxiliary water outlet. According to the dual-mode double-sided automatic scraping and washing pre-filter, cleaning of the filter screen can be completed through impact force of water while a rechargeable battery can be charged, cleaning can also be driven by a motor, the two modes of automatic sewage discharging and manual sewage discharging are achieved at the same time, and the dual-mode double-sided automatic scraping and washing pre-filter is simple in structure, low in cost, convenient to operate, safe and reliable.

The invention discloses a municipal sewage pipeline, which comprises a main flow pipe, a connecting flange and a branch flow pipe, the connecting flange is arranged at the end of the main flow pipe, the branch flow pipe is fixed and communicated to the surface of the main flow pipe and is close to the end, and a flow inlet, a flow outlet, a horn-shaped flow guider and a backflow prevention device are arranged in the main flow pipe. The flow inlet is formed in the end of the main flow pipe and close to the branch flow pipe, the flow outlet is formed in the end, away from the flow inlet, of the main flow pipe, and the horn-shaped flow guider is fixed in the main flow pipe and located at the flow inlet. And the backflow prevention device is arranged in the main flow pipe, is close to the horn-shaped fluid director and is connected with the branch flow pipe in a matched manner. The invention relates to the technical field of municipal sewage disposal equipment. According to the municipal sewage pipeline, the purpose of backflow prevention is achieved, sewage backflow can be effectively prevented, the influence caused by sewage backflow is reduced, the service life of equipment is prolonged, the sewage discharge efficiency is high, and the use performance is improved.

The invention relates to the technical field of sewage pumps and particularly relates to a specific pump body accelerated filtration unit. The specific pump body accelerated filtration unit comprisesa cylindrical main body supporting and connecting column; the left side of the main body supporting and connecting column is provided with a conical main input connecting and assembling column; the right side of the main body supporting and connecting column is provided with a cylindrical output connecting and assembling groove; the center position of the cylindrical output connecting and assembling groove is provided with an output center positioning and connecting column; the center position of the left side of the main body supporting and connecting column is provided with a main input hole; the right side of the main input hole is provided with a first outer side filtration connecting column; and the first outer side filtration connecting column is provided with cylindrical first outerside filter holes which are circumferentially distributed. The specific pump body accelerated filtration unit provided by the invention has the advantages that the sewage pump gets better safety in ausing process and can discharge sewage more fluently; the stability of the overall sewage pump is also better in the using process; the service life of the overall sewage pump is longer; the sewage emission effect is better; and the overall using cost is lower.

The invention discloses a pollution discharge method for a rotational flow automatic backwashing water filter. An adopted device comprises a back-flushing driving motor, a filter inner cylinder, a filter outer cylinder, a cylindrical filter element, a driving main shaft, a filter element cover plate, a rotating arm type blow-off pipe, a filtered water discharge pipe, a sewage inlet pipe, a floating object discharge pipe, a back-flushing blow-off pipe, a sand discharge pipe, a floating object discharge electromagnetic valve, a back-flushing electromagnetic valve and a sand discharge electromagnetic valve, the method is characterized by comprising a drifting method, a back flushing method and a desilting method. Compared with the prior art, smooth pollution discharge of the water filter is realized, shutdown maintenance is not needed during operation, floating objects, filter cartridge adhesion objects and sediments are discharged out of the water filter through different pollution discharge channels, a single filter cartridge backwashing structure of the water filter is adopted, the backwashing effect is improved, branches can be cut into small sections by arranging a rotating plate and an edge notch of a pollution discharge pipe, dirt can be conveniently discharged out of the water filter through the sewage discharging channel, blocking is prevented, the filtering efficiency is improved, and application and popularization value is achieved.