15 results about "Sewage discharge" patented technology

The invention provides a combined treatment method of leachate and excrement wastewater due to high contents of organic matters and phosphor but insufficient nitrogen in the excrement wastewater and high contents of organic matters and nitrogen but insufficient phosphor in the leachate. Therefore, nitrogen and phosphor in the excrement wastewater and leachate are complemented with each other, nutrient elements required by microbes are balanced, and a biological treatment method is suitable for treatment. According to the method, biological treatment, membrane separation treatment and reverse osmosis deep treatment are adopted, so that the treated discharge water is in accordance with the first-grade requirement of the GB8978-1996 Comprehensive Sewage Discharge Standard of People's Republic of China.

The invention provides an integrated septic tank pouring mold and method and a poured septic tank. According to the integrated septic tank pouring mold, after the complete septic tank is poured in themold through the lifting arrangement of a mold core, the mold core descends in advance and is separated from the septic tank. The integral septic tank pouring method includes the steps of resetting of forming parts, resetting of the mold core and turning of formworks, so that before demolding of the septic tank, the sewage inlet forming part, the sewage discharging port forming part, the hoistinghole forming part, the communication port forming part, the mold core and the first and second formworks are separated from a product, so that the technical problem that in the demolding process of the septic tank, the static friction force of the inner wall is too large is solved. The integrated septic tank is formed through one-time pouring, in the forming process, a continuous reinforcing skirt edge and continuous reinforcing ribs are formed on the wall of a tank body, and the reinforced skirt edge and the reinforcing ribs are used for reinforcing the septic tank.

The invention discloses a staggered basket type filter, which comprises a shell, a water inlet, a water outlet, a basket type filter cartridge, and a connecting ring. One side of the shell is provided with the water inlet, and the other side is provided with the water outlet. The connecting ring is connected to the inner wall of the shell, and the filter cartridge is connected below the connecting ring. The water inlet and the water outlet are in staggered arrangement in height. The water inlet is disposed below the connecting ring, and the water outlet is arranged over the connecting ring. The bottom of the filter cartridge is provided with a sewage discharge outlet. During use of the staggered basket type filter provided by the invention, a to-be-filtered liquid flows into the shell from the water inlet, is filtered by the filter cartridge in the space between the filter cartridge outer wall and the shell inner wall, then flows into the inner cavity of the filter cartridge, and then flows upward to outflow through the water outlet. Thus, the solid impurities in the filtered liquid can be discharged out of the sewage discharge outlet very conveniently after depositing in the space between the filter cartridge outer wall and the shell inner wall. Therefore, with no need for frequent disassembly of the filter cartridge during usual use, the filter cartridge cleaning requirement can be satisfied, and normal production is ensured.

The invention discloses a roof rainwater recycling device. According to the technical scheme, the roof rainwater recycling device comprises a rainwater discarding chamber and a rainwater filter chamber, wherein a rainwater collecting funnel is arranged at the top of the rainwater discarding chamber while a sewage discharge hole is formed in the bottom, a group of fixed pulley is arranged in the rainwater discarding chamber, one arm of the fixed pulley vertically pulls a water storage tank, the other arm vertically pulls a heavy object, the weight of the heavy object is slightly less than the weight of the water storage tank full of water, a rotational baffle plate is arranged at the bottom of the water storage tank, and a gutter is vertically arranged at the end of the baffle plate near a clapboard; a first clapboard with a first through hole is arranged between the rainwater filter chamber and rainwater discharging chamber, the height of the first through hole is consistent with the height of the water in the gutter, the first through hole is firmly connected with a first water diversion pipe connected with the bottom of the rainwater filter chamber, the rainwater filter chamber is divided into a rough filtration section, a fine filtering section and a sterilizing section in sequence, and a water outlet is formed in the top of the sterilizing section. The roof rainwater recycling device is reasonable in design, low in processing and manufacturing cost, long in service life and easy to maintain in the later period, and electricity is not needed.

The invention provides a fish pond cleaning system and control system. A fish pond comprises a pond wall and a bottom wall; the bottom wall is inclined downward from the periphery to the center and isin a funnel shape; a management system comprises a first cleaning structure for cleaning the bottom of the pond, a water circulation filtering structure and a sewage discharging structure; the firstcleaning structure is used for transferring sludge at the bottom of the pond to the sewage discharging structure; the water circulation filtering structure comprises a circulation channel, a filteringmechanism and a second cleaning mechanism; at least one section of the pond wall is of a hollow structure to form the circulation channel; the water in the fish pond is pumped into the circulation channel by a water pump, is filtered by the filtering mechanism, and then flows into the fish pond through a water outlet; the second cleaning mechanism is used for cleaning the filtering mechanism; thesewage discharging structure includes a sewage discharging channel formed at the bottom of the bottom wall; a sewage inlet of the sewage discharging channel is formed in the bottom center position; asewage discharging valve is fixed to the sewage inlet; the sewage discharging valve is driven to open and close by the driving mechanism. Compared with the prior art, the system has small human inputand high cleaning efficiency.

A sanitary ware of environmental protection type is disclosed. The sanitary ware comprises: a sanitary ware body; wherein a sewage cavity is provided at the bottom of the sanitary ware body, and a sewage draining exit is arranged on the bottom of the sewage cavity; a liquid channel and a foam channel that are not in communication with each other are provided on the sanitary ware body, and the liquid channel and the foam channel are ceramic structure integrally formed in the sanitary ware body; the sanitary ware body is further provided with a water inlet and a foam inlet, the water inlet is in communication with the liquid channel; the liquid channel is provided with liquid outlets; a deodorizing device adapted to be closed and opened is provided at the bottom of the sewage draining exit.

The invention relates to the field of environmental protection, and particularly discloses integrated treatment equipment for wastewater purification. The integrated treatment equipment comprises a tank body, a water inlet tank, partition plates, hydraulic telescopic mechanisms, a draught fan and a water pump; the partition plates are fixed in the tank body, the tank body is internally divided into a dispersing cylinder, a dosing mixing cavity, a medicament cavity, a filtering cavity and a sewage discharge cavity, and the filtering cavity is internally provided with a first filter net, a second filter net and a third filter net which are equidistantly arranged from left to right; a horizontal transmission shaft fixedly penetrates through center shafts of the first filter net, second filternet and third filter net, the tail end, penetrating through the tank body, of the transmission shaft stretches into a transmission box, an impeller is coaxially fixed on a driving gear, and a water discharging tube directly faces the left side of the impeller. The integrated treatment equipment for the wastewater purification has the advantages that the rotatable filter nets are arranged, and therotation of the filter nets is driven by water flow, which can make the filter nets rotate while reducing the energy consumption, so that areas filtered by the filter nets are uniform, and the situation of mesh blockage or unavailability is avoided.

The invention discloses a cotton imitation wax printing process, which comprises pretreatment, printing, drying, baking steaming, water washing, stenting, and inspection packaging, wherein the components of the printing formula comprise seaweed paste, a disperse dye, a printing penetrant, a defoamer, a thickener and synthetic printing paste according to a mass ratio of 400:0.01-0.5:0.1-0.15:0.1-1:0.5-1:100, and the printing back surface drying temperature is 30-50 DEG C higher than the printing front surface drying temperature during the drying. According to the present invention, the wax printing style with the same front surface and back surface effect is achieved by using the thermal motion of the disperse dye molecule, designing the printing formula and setting the drying temperature difference, and the cotton imitation wax printing process has characteristics of simple process, less sewage discharge, low energy consumption and high production efficiency.

The invention discloses a water-saving closestool. The water-saving closestool comprises a urinal and multiple water inlets formed in the upper portion of the urinal, and the water inlets are communicated with a water inlet pipe; a stirring cylinder is connected to the portion below the urinal, and is internally provided with a stirring device; a drainage pipe is connected to the lower end of the stirring cylinder; the water inlet pipe is provided with a water inlet solenoid valve, the drainage pipe is provided with a drainage solenoid valve, and the water inlet solenoid valve and the drainage solenoid valve are connected to a controller separately through a solenoid control circuit; a stepping motor which drives the stirring device to rotate and stir excrement is connected to the stirring device, and is connected to the controller through a motor driving circuit. The water-saving closestool can reduce sewage drainage, and avoid pipe clogging and splashing.

The invention discloses an aquaculture sewage circulation purification method. According to the method, particulate matters in aquaculture sewage are filtered by a sewage filter box (3), sewage purification effects are improved, a filter plate (12) is fixedly mounted in the sewage filter box (3), the particulate matters are filtered by the filter plate (12), an opening (13) is formed in the top ofthe sewage filter box (3), the particulate matters in the sewage filter box (3) are conveniently taken out through the opening (13), a second water discharging pipe (14) is fixedly communicated withthe right side of the sewage filter box (3), and a biological purification box (4) is fixedly communicated with the other end of the second water discharging pipe (14). According to the method, the sewage purification effects are improved, soluble and colloid organic pollutants in the sewage are removed, harmful bacteria in the sewage are eliminated, organic matters in the sewage difficult to be oxidized and decomposed by microorganisms or a common oxidation method are adsorbed, water source waste rate is reduced, environment-friendly and saving effects are achieved, water circulation is achieved, and the method has the advantages of environmental friendliness and conservation, so that the method effectively solves the problems that water resources are wasted and ecological environments are destroyed due to existing sewage discharge.

The invention provides a wiping mechanism for a polyurethane foaming mixing head. The wiping mechanism at least comprises a rotating base and a plurality of brushes; a wiping cavity matched with a mixing core for containing the polyurethane foaming mixing head is formed in the upper end face of the rotating base, the multiple brushes are arranged on the cavity wall of the wiping cavity, the rotating base is installed on an output shaft of an external motor, and the rotating axis of the rotating base is consistent with the center line of the wiping cavity; and the output shaft of the external motor drives the rotating base to rotate, the first brush and the second brush brush off residual materials on the mixing core, and the residual materials and waste residues are discharged from a first sewage discharging hole in the bottom cavity wall of the wiping cavity under the action of centrifugal force. The wiping mechanism for the polyurethane foaming mixing head has the advantages of being reasonable in structure, convenient to use and capable of improving the cleaning efficiency of the polyurethane foaming mixing head according to the design of the polyurethane foaming mixing head.

The invention relates to the field of unblocking equipment, and discloses a valve unblocking device which comprises a main pipe body, and the main pipe body is provided with a connecting part used for being connected with a to-be-unblocked valve and an unblocking cavity allowing blockages in the to-be-unblocked valve to pass through. The guide pipe is provided with a blockage dredging needle penetrating through the blockage dredging cavity, the guide pipe can reciprocate relative to the main pipe body in the axial direction of the main pipe body so as to drive the blockage dredging needle to dredge the valve to be dredged, and the guide pipe and/or the main pipe body are/is provided with a sewage discharging part communicated with the blockage dredging cavity; and the driving part is arranged to be capable of being operated on the side opposite to the forming direction of the pollution discharge part so as to drive the guide pipe in the axial direction of the main pipe body. The driving part is arranged to be capable of being controlled on the side opposite to the opening direction of the sewage discharging part, and the guided blockages cannot be splashed to the body of an operator, so that the operator can conveniently clean the blockages, and the personal safety of the operator can be guaranteed.

The invention provides a sewage pump and a sewage discharge system for sewage treatment at a shield of a tunnel boring machine, and belongs to the technical field of shield tunnel sewage treatment. The sewage pump comprises a hydraulic motor, a shell, an impeller, a filter screen and a filter screen support, wherein the shell is of a volute structure; a liquid suction port is formed in the bottomface of the shell; a liquid discharge port is formed in the side face of the shell; the impeller is arranged in the shell and is provided with an internal spline hole in the center; the hydraulic motor is fixed to the top face of the shell; a spline shaft is fixed outside the output shaft; an outer spline section of the spline shaft is matched with an inner spline hole of the impeller; the filterscreen is arranged on the liquid suction port; the filter screen support is an annular support; the side wall of the filter screen support is provided with filter holes; and the filter screen supportis fixedly encircled outside the liquid suction port. The sewage pump is hydraulically driven, and the hydraulic motor is connected with the impeller through the spline shaft, so that the sewage pumpis compact in size and suitable for being mounted at the shield of tunnel boring machine equipment.