63results about How to "Timely discharge" patented technology

The settling pond features that all the mixing stirrer, the raising stirrer and its stainless steel barrel, the mud scraper, the inclined plastic pipe area and the rectangular water outlet stainless steel tank are located inside the main pond; the sludge pipe communicates the sludge screw pump, the water inlet pipe and the concentrating sludge draining area in the lower part of the main pond; and the chemical adding pipe is set below the mixing stirrer. The present invention has reasonable structure and homogeneous water distribution. The raising stirrer and the sludge screw pump are connected with the frequency varying motor for flexible regulation based on the practical condition to ensure the water effluent quality. The mud scraper can centralize and concentrate sludge. The present invention is suitable for use in water works and sewage yard.

The invention relates to a sponge city permeable road comprising a road body and a grass planting ditch. Road shoulders are arranged on the two sides of the road body. A water storage structure is arranged in the grass planting ditch. The road body comprises a permeable roadbed and a pavement layer; the pavement layer comprises a plurality of road bricks; and each road brick comprises a cushion block I and a cushion block II which have hexagonal prism structures. The regular hexagonal prism structure of the cushion block I is larger than that of the cushion block II; three cushion blocks III with hexagonal prism structures are arranged around the cushion block II; two diagonal edges of each cushion block III are overlapped with two adjacent hexagonal edges of the cushion block I; the othertwo adjacent edges of the third cushion block coincide with the adjacent edges of the cushion block II, the cushion block III is away from the cushion block II and faces the edge of the cushion blockI in a chamfered mode, an inclined face is formed on the transition edge of the cushion block I and the transition edge of the cushion block II, and the inclined face is located between the two adjacent cushion blocks III and an annular groove I deviating from the opening of the central axis is formed in the cushion block I in an encircling mode. The drainage effect is relatively good; meanwhile,the possibility that water splashes to pedestrians can be effectively reduced.

The invention relates to an organic arsenic feed additive discharge pre-alarming monitoring method in a water environment system, belonging to the environmental monitoring technical field, comprising the following steps: preparing tetrahymena culture medium; preparing arsanilic acid standard sample solution/roxarsone standard sample solution; collecting the actual water sample and separating and extracting the organic arsenic feed additive compound; inoculating the tetrahymena into the prepared culture medium and then subpackaged the inoculated culture medium into the sample culture tubes; respectively adding the organic arsenic feed additive standard solution into the sample culture tubes and respectively measuring the corresponding tetrahymena cell density using absorptometry; making the actual water sample intervening the corresponding tetrahymena biological model and analyzing and determining the corresponding tetrahymena cell density; based on the comparison of the tetrahymena cell density and the contrast of the corresponding tetrahymena cell density after the actual water sample intervention, to obtain the concentration range of the pollutant presence, thereby pre-alarming the discharge condition of the organic arsenic feed additive in the corresponding actual water environment.

The invention discloses a sewage treatment system. The sewage treatment system comprises a primary settling tank, an anaerobic tank, an aerobic tank and a secondary settling tank, which are sequentially communicated, and also comprises an air compressor connected with the aerobic tank, wherein the aerobic tank comprises a plurality of fixed lattices sequentially arranged at the front end, a plurality of movable lattices sequentially arranged at the tail end, bioassay parts arranged in the lattices and a central main control module connected with the bioassay parts, adjacent lattices are separated by a guide wall, an opening is reserved between each guide wall and the side wall of the lattice, a movable check plate is arranged near the opening of the guide wall of the movable lattice, the movable check plate is used for closing the opening of the guide wall, and the movable lattices are respectively provided with a mixed liquor outlet. The sewage treatment system can flexibly regulate the effective capacity of the aerobic tank, guarantees the effluent to meet the standard and avoids excessive aeration in subsequent steps, and can lower the aeration energy consumption sharply.

The invention relates to a switching power supply and an X capacitor discharge circuit thereof. The discharge circuit comprises a power supply, a first switching tube, a second switching tube and a driving circuit, wherein both the first switching tube and the second switching tube are provided with a control port and two switching ports, the input end of the driving circuit is connected with thepower supply output end of the switching power supply, and the output end of the driving circuit is connected with the control port of the first switching tube; the control port of the second switching tube is connected with the positive electrode of the power supply, the first switching port serving as input of the second switching tube is connected with an X capacitor, and the second switch porting serving as output of the second switching tube is grounded; the first switching port serving as input of the first switching tube is connected with the positive electrode of the power supply, andthe second switching port serving as output of the first switching tube is grounded. The circuit structure is greatly simplified, so that the cost is further reduced, and the problem that the existingdischarge circuit is complex in structure is solved.

The invention discloses an anti-freezing flushing device and an energy-saving, sanitary and environment-friendly toilet thereof. The anti-freezing flushing device is connected with a water supply system. The flushing device comprises a control switch, a water outlet pipeline and a water drainage pump; the water drainage pump is electrically connected with the control switch; the water supply system is arranged in an underground anti-freezing soil layer; the water drainage pump is connected with the water supply system and the water outlet pipeline; the water outlet pipeline penetrates througha ground frozen soil layer, and a water outlet of the water outlet pipeline extends out of the ground surface; when the water drainage pump is started through the control switch, water in the water supply system is pumped into the water outlet pipeline to form flushing water to be discharged; and when the water drainage pump is stopped, retained water in the portions, located on the frozen soil layer and the areas above, in the water outlet pipeline flows back into the water supply system. According to the anti-freezing flushing device and the energy-saving, sanitary and environment-friendly toilet, by controlling the flowback type water drainage pump, the retained water in the water outlet pipeline and the areas above can be rapidly and completely discharged, the retained water is made toflow back into the water supply system, water sources are saved, the problem that the water discharge pipeline freezes and the pipeline is fractured is avoided, and the problem that due to freezing,country dry latrine pits are dirty, disorderly and bad is solved.

The invention relates to a scheme and method for promoting water utilization. The invention provides a farmland water utilization system with water storage and water supply functions. The farmland water utilization system comprises a water reservoir, a water supply mechanism and a farmland which is arranged obliquely, wherein the farmland and a horizontal plane form an included angle of 1 to 2 degrees, and the farmland comprises a planting soil layer, a quick infiltration layer, a water-permeable layer, a gravel layer and an impervious layer which are arranged sequentially from top to bottom. The invention provides a farmland construction method. According to the method, the utilization and cycling of agricultural water resources are promoted, the irrigation is timely, and irrigation volume can meet the growth needs of crops.

The invention provides centrifugal separation and extraction equipment for a tea stock solution, and relates to the technical field of tea extraction. The centrifugal separation and extraction equipment comprises a base, a lifting extraction box and a centrifugal separation tank; the lifting extraction box is arranged above the base and can move in the vertical direction relative to the base, andthe centrifugal separation tank is arranged above the lifting extraction box; the centrifugal separation tank comprises a tank body, a driving motor, a stirring shaft and a plurality of stirring and crushing mechanisms for stirring a tea stock solution and carrying out multi-stage crushing on tea, the driving motor is connected with the end part of the stirring shaft through a coupler, and the plurality of stirring and crushing mechanisms are distributed in the radial direction from one end to the other end of the stirring shaft. According to the invention, continuous and synchronous centrifugal separation of the tea stock solution is facilitated, and the crushing and centrifugal separation efficiency of the tea stock solution is improved; centrifugal separation liquid is discharged into the extraction cavity in time through ascending of the lifting extraction box; meanwhile, the tank body is stably supported by the lifting extraction box, and the discharging stability of the centrifugal separation liquid is guaranteed.

The invention discloses a laser processing pattern making machine. The laser processing pattern making machine comprises a processing body. A laser tube area is formed above the processing body, a plurality of laser tube sets are arranged in the laser tube area, and a plurality of scanner heads are arranged at the tail end of each laser tube set. A guide assembly and a transmission assembly are arranged in the processing body, the guide assembly comprises a plurality of front guide rollers located in the front of the processing body and a plurality of rear guide rollers located at the back of the processing body, and the transmission assembly comprises a supporting transmission device located in the middle of the processing body and a pulling device located at the back of the processing body. A negative-pressure adsorption device is arranged in the supporting transmission device, air extraction devices are arranged on the two sides of the supporting transmission device, and an air blowing device is also arranged in the laser processing area and located above the scanner heads. In this way, the laser processing pattern making machine is high in processing speed and production efficiency, wide in application range and suitable for processing various non-metallic materials such as textile materials, synthetic natural leather, acryl, wooden ware, bamboo ware, plastics, double-color adhesives, PCBs and paper.

The invention discloses a forced ventilation system of an engine crankcase, wherein the forced ventilation system comprises a PCV (pollution control valve) oil gas separation chamber, a ventilation pipe oil gas separation chamber, a needle-type PCV and a ventilation pipe, wherein the PCV oil gas separation chamber is composed of a ventilation cover plate and an air cylinder cover; the needle-type PCV is communicated with the PCV oil gas separation chamber; and the ventilation pipe is communicated with the ventilation pipe oil gas separation chamber. The forced ventilation system is characterized in that the volume of the ventilation pipe oil gas separation chamber is greater than that of the PCV oil gas separation chamber; one end of each of two first blow-by channels arranged on the air cylinder cover is positioned in the ventilation pipe oil gas separation chamber, and the other end of each of the two first blow-by channel arranged on the air cylinder cover is corresponding to a second blow-by channel on the air cylinder cover; the second blow-by channel is corresponding to a third blow-by channel on the crankcase; and the bottom of the ventilation pipe oil gas separation chamber is provided with three oil return holes, and the bottom of the PCV oil gas separation chamber is provided with two oil return holes. Because the scavenging effect is improved obviously, the blow-by in the crankcase is timely exhausted into an air intake system so as to prevent accelerated engine oil deterioration and engine element corrosion caused by blowby; and the oil gas separation efficiency of the ventilation pipeline is improved greatly, thus the engine oil consumption of the engine is lowered.

The invention relates to the technical field of battery management of oil-electricity hybrid unmanned aerial vehicles, and concretely relates to a battery management method for an oil-electricity hybrid unmanned aerial vehicle, and the oil-electricity hybrid unmanned aerial vehicle. The battery management method is carried out after the fuel-electric hybrid unmanned aerial vehicle executes a flight task, and comprises the following steps: detecting the current voltage of each battery pack in a rechargeable battery pack; determining the current minimum voltage of each battery pack in the rechargeable battery pack; screening out a to-be-discharged battery pack of which the first difference value between the current voltage and the current minimum voltage exceeds a first preset threshold value from the rechargeable battery pack; and discharging the to-be-discharged battery pack to enable the voltage of the to-be-discharged battery pack and the first difference value not to exceed the first preset threshold value. After the flight task is executed each time, the unbalanced battery packs are discharged to guarantee that all the battery packs are balanced when the oil-electricity hybridunmanned aerial vehicle executes the flight task next time, so the power supply safety performance of the oil-electricity hybrid unmanned aerial vehicle is improved.

The invention provides a technical scheme for an open type water-sealed valve chamber of a dry type blast furnace gas holder. The water-sealed valve chamber comprises a U-shaped gas channel communicated with the blast furnace gas holder, wherein a water collection tank is arranged below the U-shaped gas channel; one end of a delivery pipe is communicated with the bottom of the U-shaped gas channel; the other end of the delivery pipe is communicated with a water drainer which is arranged inside the water collection tank; the water collection tank is also internally provided with a sewage discharging pump; the delivery pipe is provided with a valve. The water-sealed valve chamber is open type, thereby being easy to operate and view; since the water drainer with an automatic stirring function is arranged, water can be drained in time; a CO audible and visual alarm is arranged and can be used for monitoring the open type water-sealed valve chamber area, so that whether gas is leaked can be known at any time; if gas is leaked, an explosion-proof axial flow fan is started to disperse blast gas and lower the gas concentration.